Ur/Web: src/c/urweb.c annotate

annotate src/c/urweb.c @ 1997:c93fbd139732

Define uw_loggers structure, allow FFI code to access it

author	Sergey Mironov <grrwlf@gmail.com>
date	Wed, 26 Feb 2014 08:21:52 +0000
parents	94529780bbcf
children	cc7e5d469d1b

rev	line source
adamc@1268	1 #include "config.h"
adamc@1268	2
adamc@117	3 #include <stdlib.h>
adamc@102	4 #include <stdio.h>
adamc@117	5 #include <string.h>
adamc@457	6 #include <strings.h>
adamc@106	7 #include <ctype.h>
adamc@167	8 #include <setjmp.h>
adamc@167	9 #include <stdarg.h>
adamc@682	10 #include <assert.h>
adamc@741	11 #include <ctype.h>
adamc@1114	12 #include <limits.h>
adamc@1113	13 #include <stdint.h>
adamc@1094	14 #include <sys/types.h>
adamc@1094	15 #include <sys/socket.h>
adam@1397	16 #include <openssl/des.h>
adam@1486	17 #include <openssl/rand.h>
adam@1374	18 #include <time.h>
adam@1571	19 #include <math.h>
adamc@102	20
adamc@667	21 #include <pthread.h>
adamc@667	22
adamc@102	23 #include "types.h"
adamc@102	24
adam@1431	25 uw_unit uw_unit_v = 0;
adamc@102	26
adamc@667	27
adamc@667	28 // Socket extras
adamc@667	29
adamc@863	30 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667	31 while (len > 0) {
adamc@856	32 ssize_t n = send(sock, buf, len, 0);
adamc@856	33
adamc@856	34 if (n < 0)
adamc@856	35 return n;
adamc@856	36
adamc@856	37 buf += n;
adamc@856	38 len -= n;
adamc@856	39 }
adamc@856	40
adamc@856	41 return 0;
adamc@856	42 }
adamc@856	43
adamc@856	44 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856	45 while (len > 0) {
adamc@856	46 ssize_t n = write(fd, buf, len);
adamc@667	47
adamc@667	48 if (n < 0)
adamc@667	49 return n;
adamc@667	50
adamc@667	51 buf += n;
adamc@667	52 len -= n;
adamc@667	53 }
adamc@667	54
adamc@667	55 return 0;
adamc@667	56 }
adamc@667	57
adamc@667	58
adamc@667	59 // Buffers
adamc@667	60
adam@1369	61 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113	62 b->max = max;
adamc@667	63 b->front = b->start = malloc(s);
adamc@667	64 b->back = b->front + s;
adamc@667	65 }
adamc@667	66
adam@1369	67 void uw_buffer_free(uw_buffer *b) {
adamc@667	68 free(b->start);
adamc@667	69 }
adamc@667	70
adam@1369	71 void uw_buffer_reset(uw_buffer *b) {
adamc@667	72 b->front = b->start;
adamc@667	73 }
adamc@667	74
adam@1369	75 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667	76 if (b->back - b->front < extra) {
adamc@667	77 size_t desired = b->front - b->start + extra, next;
adamc@667	78 char *new_heap;
adamc@667	79
adamc@667	80 next = b->back - b->start;
adamc@667	81 if (next == 0)
adamc@667	82 next = 1;
adamc@667	83 for (; next < desired; next *= 2);
adamc@667	84
adamc@1134	85 if (next > b->max) {
adamc@1113	86 if (desired <= b->max)
adamc@1113	87 next = desired;
adamc@1113	88 else
adamc@1113	89 return 1;
adamc@1134	90 }
adamc@1113	91
adamc@667	92 new_heap = realloc(b->start, next);
adamc@667	93 b->front = new_heap + (b->front - b->start);
adamc@667	94 b->back = new_heap + next;
adamc@667	95 b->start = new_heap;
adamc@667	96 }
adamc@1113	97
adamc@1113	98 return 0;
adamc@1113	99 }
adamc@1113	100
adamc@1113	101 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113	102
adam@1369	103 static void ctx_uw_buffer_check(uw_context ctx, const char kind, uw_buffer b, size_t extra) {
adam@1369	104 if (uw_buffer_check(b, extra))
adamc@1113	105 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667	106 }
adamc@667	107
adam@1369	108 size_t uw_buffer_used(uw_buffer *b) {
adamc@667	109 return b->front - b->start;
adamc@667	110 }
adamc@667	111
adam@1369	112 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667	113 return b->back - b->start;
adamc@667	114 }
adamc@667	115
adam@1369	116 int uw_buffer_append(uw_buffer b, const char s, size_t len) {
adam@1369	117 if (uw_buffer_check(b, len+1))
adamc@1113	118 return 1;
adamc@1113	119
adamc@1113	120 memcpy(b->front, s, len);
adamc@1113	121 b->front += len;
adamc@1113	122 *b->front = 0;
adamc@1113	123
adamc@1113	124 return 0;
adamc@1113	125 }
adamc@1113	126
adam@1369	127 static void ctx_uw_buffer_append(uw_context ctx, const char kind, uw_buffer b, const char *s, size_t len) {
adam@1369	128 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113	129
adamc@668	130 memcpy(b->front, s, len);
adamc@668	131 b->front += len;
adamc@672	132 *b->front = 0;
adamc@668	133 }
adamc@667	134
adamc@668	135
adamc@672	136 // Persistent state types
adamc@667	137
adamc@667	138 typedef enum { UNUSED, USED } usage;
adamc@667	139
adamc@667	140 typedef struct client {
adamc@682	141 unsigned id;
adamc@667	142 usage mode;
adamc@682	143 int pass;
adamc@682	144 struct client *next;
adamc@689	145 pthread_mutex_t lock, pull_lock;
adam@1369	146 uw_buffer msgs;
adamc@682	147 int sock;
adamc@863	148 int (send)(int sockfd, const void buf, ssize_t len);
adamc@863	149 int (*close)(int fd);
adamc@682	150 time_t last_contact;
adamc@682	151 unsigned n_channels;
adamc@685	152 unsigned refcount;
adamc@1121	153 void *data;
adamc@667	154 } client;
adamc@667	155
adamc@672	156
adamc@672	157 // Persistent client state
adamc@672	158
adamc@682	159 static client *clients, clients_free, *clients_used;
adamc@682	160 static unsigned n_clients;
adamc@667	161
adam@1707	162 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@1113	163 size_t uw_messages_max = SIZE_MAX;
adamc@1113	164 size_t uw_clients_max = SIZE_MAX;
adamc@1113	165
adamc@1121	166 void *uw_init_client_data();
adamc@1121	167 void uw_free_client_data(void *);
adamc@1121	168 void uw_copy_client_data(void dst, void src);
adamc@1121	169
adamc@682	170 static client *new_client() {
adamc@667	171 client *c;
adamc@667	172
adamc@667	173 pthread_mutex_lock(&clients_mutex);
adamc@667	174
adamc@667	175 if (clients_free) {
adamc@667	176 c = clients_free;
adamc@682	177 clients_free = clients_free->next;
adamc@667	178 }
adam@1672	179 else if (n_clients >= uw_clients_max) {
adam@1672	180 pthread_mutex_unlock(&clients_mutex);
adamc@1113	181 return NULL;
adam@1672	182 } else {
adamc@667	183 ++n_clients;
adamc@667	184 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667	185 c = malloc(sizeof(client));
adamc@667	186 c->id = n_clients-1;
adamc@682	187 pthread_mutex_init(&c->lock, NULL);
adamc@689	188 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369	189 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667	190 clients[n_clients-1] = c;
adamc@667	191 }
adamc@667	192
adamc@682	193 pthread_mutex_lock(&c->lock);
adamc@667	194 c->mode = USED;
adamc@682	195 c->pass = rand();
adamc@682	196 c->sock = -1;
adamc@682	197 c->last_contact = time(NULL);
adam@1369	198 uw_buffer_reset(&c->msgs);
adamc@682	199 c->n_channels = 0;
adamc@685	200 c->refcount = 0;
adamc@1121	201 c->data = uw_init_client_data();
adamc@682	202 pthread_mutex_unlock(&c->lock);
adamc@682	203
adamc@682	204 c->next = clients_used;
adamc@682	205 clients_used = c;
adamc@667	206
adamc@667	207 pthread_mutex_unlock(&clients_mutex);
adamc@667	208
adamc@667	209 return c;
adamc@667	210 }
adamc@667	211
adamc@685	212 static void use_client(client *c) {
adamc@685	213 pthread_mutex_lock(&c->lock);
adamc@685	214 ++c->refcount;
adamc@685	215 pthread_mutex_unlock(&c->lock);
adamc@689	216 pthread_mutex_lock(&c->pull_lock);
adamc@685	217 }
adamc@685	218
adamc@685	219 static void release_client(client *c) {
adamc@689	220 pthread_mutex_unlock(&c->pull_lock);
adamc@685	221 pthread_mutex_lock(&c->lock);
adamc@685	222 --c->refcount;
adamc@685	223 pthread_mutex_unlock(&c->lock);
adamc@685	224 }
adamc@685	225
adamc@856	226 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adam@1707	227 static pthread_t pruning_thread;
adam@1707	228 static int pruning_thread_initialized = 0;
adamc@667	229
adamc@682	230 static client *find_client(unsigned id) {
adamc@667	231 client *c;
adam@1708	232 int i_am_pruner = pruning_thread_initialized && pthread_equal(pruning_thread, pthread_self());
adam@1708	233
adam@1708	234 if (!i_am_pruner) pthread_mutex_lock(&clients_mutex);
adamc@667	235
adamc@667	236 if (id >= n_clients) {
adam@1708	237 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668	238 return NULL;
adamc@667	239 }
adamc@667	240
adamc@667	241 c = clients[id];
adamc@667	242
adam@1708	243 if (!i_am_pruner) pthread_mutex_unlock(&clients_mutex);
adamc@668	244 return c;
adamc@668	245 }
adamc@668	246
adamc@856	247 static char *on_success = "HTTP/1.1 200 OK\r\n";
adam@1409	248 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856	249
adamc@856	250 void uw_set_on_success(char *s) {
adamc@856	251 on_success = s;
adamc@856	252 }
adamc@856	253
adam@1552	254 static void chastise(int (send)(int sockfd, const void buf, ssize_t len), int sock) {
adam@1552	255 send(sock, on_success, strlen(on_success));
adam@1552	256 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1552	257 send(sock, "R", 1);
adam@1552	258 close(sock);
adam@1552	259 }
adam@1552	260
adamc@863	261 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863	262 int (send)(int sockfd, const void buf, ssize_t len),
adamc@864	263 int (*close)(int fd),
adamc@864	264 void *logger_data, uw_logger log_error) {
adamc@682	265 client *c = find_client(id);
adamc@668	266
adamc@668	267 if (c == NULL) {
adam@1552	268 chastise(send, sock);
adamc@864	269 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667	270 return;
adamc@667	271 }
adamc@667	272
adamc@682	273 pthread_mutex_lock(&c->lock);
adamc@671	274
adamc@682	275 if (c->mode != USED) {
adamc@682	276 pthread_mutex_unlock(&c->lock);
adam@1552	277 chastise(send, sock);
adamc@864	278 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667	279 return;
adamc@667	280 }
adamc@667	281
adamc@682	282 if (pass != c->pass) {
adamc@682	283 pthread_mutex_unlock(&c->lock);
adam@1552	284 chastise(send, sock);
adamc@864	285 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682	286 return;
adamc@667	287 }
adamc@667	288
adamc@682	289 if (c->sock != -1) {
adamc@863	290 c->close(c->sock);
adamc@682	291 c->sock = -1;
adamc@682	292 }
adamc@667	293
adamc@682	294 c->last_contact = time(NULL);
adamc@682	295
adam@1369	296 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863	297 send(sock, on_success, strlen(on_success));
adamc@863	298 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369	299 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369	300 uw_buffer_reset(&c->msgs);
adamc@667	301 close(sock);
adamc@667	302 }
adamc@863	303 else {
adamc@682	304 c->sock = sock;
adamc@863	305 c->send = send;
adamc@863	306 c->close = close;
adamc@863	307 }
adamc@667	308
adamc@682	309 pthread_mutex_unlock(&c->lock);
adamc@667	310 }
adamc@667	311
adamc@682	312 static void free_client(client *c) {
adamc@682	313 c->mode = UNUSED;
adamc@682	314 c->pass = -1;
adamc@667	315
adamc@682	316 c->next = clients_free;
adamc@682	317 clients_free = c;
adamc@667	318 }
adamc@667	319
adamc@682	320 static uw_Basis_channel new_channel(client *c) {
adamc@682	321 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668	322 return ch;
adamc@668	323 }
adamc@668	324
adam@1447	325 static void client_send(client c, uw_buffer msg, const char *script, int script_len) {
adamc@685	326 pthread_mutex_lock(&c->lock);
adamc@671	327
adamc@682	328 if (c->sock != -1) {
adamc@863	329 c->send(c->sock, on_success, strlen(on_success));
adamc@863	330 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1447	331 if (script_len > 0) {
adam@1447	332 c->send(c->sock, "E\n", 2);
adam@1447	333 c->send(c->sock, script, script_len);
adam@1447	334 c->send(c->sock, "\n", 1);
adam@1447	335 }
adam@1369	336 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863	337 c->close(c->sock);
adamc@682	338 c->sock = -1;
adam@1665	339 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113	340 fprintf(stderr, "Client message buffer size exceeded");
adamc@671	341
adamc@685	342 pthread_mutex_unlock(&c->lock);
adamc@668	343 }
adamc@668	344
adamc@668	345
adamc@668	346 // Global entry points
adamc@668	347
adamc@1164	348 extern void uw_global_custom();
adamc@1104	349 extern void uw_init_crypto();
adamc@1104	350
adamc@668	351 void uw_global_init() {
adamc@668	352 srand(time(NULL) ^ getpid());
adamc@668	353
adamc@668	354 clients = malloc(0);
adamc@1104	355
adamc@1164	356 uw_global_custom();
adamc@1104	357 uw_init_crypto();
adamc@1094	358 }
adamc@1094	359
adamc@1094	360 void uw_app_init(uw_app *app) {
adamc@1094	361 app->client_init();
adamc@668	362 }
adamc@668	363
adam@1332	364 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114	365
adamc@668	366
adamc@667	367 // Single-request state
adamc@667	368
adamc@323	369 typedef struct regions {
adamc@323	370 struct regions *next;
adamc@323	371 } regions;
adamc@323	372
adamc@425	373 typedef struct {
adamc@425	374 void (func)(void);
adamc@425	375 void *arg;
adamc@425	376 } cleanup;
adamc@425	377
adamc@671	378 typedef struct {
adamc@682	379 unsigned client;
adam@1369	380 uw_buffer msgs;
adamc@682	381 } delta;
adamc@671	382
adamc@737	383 typedef enum {
adamc@759	384 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737	385 } input_kind;
adamc@737	386
adamc@756	387 typedef struct input {
adamc@737	388 input_kind kind;
adamc@737	389 union {
adamc@737	390 char *normal;
adamc@739	391 uw_Basis_file file;
adamc@756	392 struct {
adamc@759	393 struct input fields, parent;
adamc@756	394 } subform;
adamc@759	395 struct {
adamc@759	396 struct input entries, parent;
adamc@759	397 } subforms;
adamc@759	398 struct {
adamc@759	399 struct input fields, next, *parent;
adamc@759	400 } entry;
adamc@737	401 } data;
adamc@737	402 } input;
adamc@737	403
adamc@771	404 typedef struct {
adamc@771	405 void *data;
adam@1327	406 uw_callback commit, rollback;
adam@1327	407 uw_callback_with_retry free;
adamc@771	408 } transactional;
adamc@771	409
adamc@1061	410 typedef struct {
adamc@1061	411 char *name;
adamc@1061	412 void *data;
adamc@1061	413 void (free)(void);
adamc@1061	414 } global;
adamc@1061	415
adamc@311	416 struct uw_context {
adamc@1094	417 uw_app *app;
adam@1446	418 int id;
adamc@1094	419
adamc@854	420 char (get_header)(void , const char );
adamc@854	421 void *get_header_data;
adamc@457	422
adam@1799	423 char (get_env)(void , const char );
adam@1799	424 void *get_env_data;
adam@1799	425
adam@1369	426 uw_buffer outHeaders, page, heap, script;
adam@1451	427 int allowed_to_return_indirectly, returning_indirectly;
adamc@759	428 input inputs, subinputs, *cur_container;
adamc@1094	429 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167	430
adam@1446	431 unsigned long long source_count;
adamc@562	432
adamc@272	433 void *db;
adam@1931	434 int transaction_started;
adamc@272	435
adamc@167	436 jmp_buf jmp_buf;
adamc@167	437
adamc@323	438 regions *regions;
adamc@323	439
adamc@425	440 cleanup cleanup, cleanup_front, *cleanup_back;
adamc@425	441
adamc@1094	442 const char *script_header;
adamc@643	443
adam@1936	444 int needs_push, needs_sig, could_write_db;
adamc@693	445
adamc@682	446 size_t n_deltas, used_deltas;
adamc@682	447 delta *deltas;
adamc@671	448
adamc@682	449 client *client;
adamc@682	450
adamc@771	451 transactional *transactionals;
adamc@771	452 size_t n_transactionals, used_transactionals;
adamc@771	453
adamc@1061	454 global *globals;
adamc@1061	455 size_t n_globals;
adamc@1061	456
adamc@1066	457 char *current_url;
adamc@1066	458
adamc@1114	459 int deadline;
adamc@1114	460
adamc@1121	461 void *client_data;
adamc@1121	462
grrwlf@1997	463 uw_loggers *loggers;
adam@1334	464
adam@1386	465 int isPost, hasPostBody;
adam@1347	466 uw_Basis_postBody postBody;
adam@1370	467 uw_Basis_string queryString;
adam@1347	468
adam@1556	469 unsigned nextId;
adam@1556	470
adam@1782	471 int amInitializing;
adam@1782	472
adamc@167	473 char error_message[ERROR_BUF_LEN];
adam@1877	474
adam@1877	475 int usedSig, needsResig;
adam@1949	476
adam@1949	477 char *output_buffer;
adam@1949	478 size_t output_buffer_size;
adamc@117	479 };
adamc@117	480
adamc@1113	481 size_t uw_headers_max = SIZE_MAX;
adamc@1113	482 size_t uw_page_max = SIZE_MAX;
adamc@1113	483 size_t uw_heap_max = SIZE_MAX;
adamc@1113	484 size_t uw_script_max = SIZE_MAX;
adamc@1113	485
grrwlf@1997	486 uw_context uw_init(int id, uw_loggers *lg) {
adamc@311	487 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136	488
adamc@1094	489 ctx->app = NULL;
adam@1446	490 ctx->id = id;
adamc@1094	491
adamc@854	492 ctx->get_header = NULL;
adamc@854	493 ctx->get_header_data = NULL;
adamc@457	494
adam@1799	495 ctx->get_env = NULL;
adam@1799	496 ctx->get_env_data = NULL;
adam@1799	497
adam@1413	498 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 1);
adam@1413	499 ctx->outHeaders.start[0] = 0;
adam@1413	500 uw_buffer_init(uw_page_max, &ctx->page, 1);
adam@1413	501 ctx->page.start[0] = 0;
adam@1451	502 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369	503 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369	504 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667	505 ctx->script.start[0] = 0;
adamc@136	506
adamc@1094	507 ctx->inputs = malloc(0);
adamc@759	508 ctx->cur_container = NULL;
adamc@756	509 ctx->subinputs = malloc(0);
adamc@1094	510 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144	511
adamc@272	512 ctx->db = NULL;
adam@1931	513 ctx->transaction_started = 0;
adamc@272	514
adamc@323	515 ctx->regions = NULL;
adamc@323	516
adamc@425	517 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425	518
adamc@643	519 ctx->script_header = "";
adamc@693	520 ctx->needs_push = 0;
adamc@736	521 ctx->needs_sig = 0;
adam@1936	522 ctx->could_write_db = 1;
adamc@1104	523
adamc@565	524 ctx->source_count = 0;
adamc@562	525
adamc@682	526 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671	527 ctx->deltas = malloc(0);
adamc@671	528
adamc@700	529 ctx->client = NULL;
adamc@700	530
adamc@700	531 ctx->error_message[0] = 0;
adamc@700	532
adamc@771	533 ctx->transactionals = malloc(0);
adamc@771	534 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771	535
adamc@1061	536 ctx->globals = malloc(0);
adamc@1061	537 ctx->n_globals = 0;
adamc@1061	538
adamc@1066	539 ctx->current_url = "";
adamc@1066	540
adamc@1114	541 ctx->deadline = INT_MAX;
adamc@1114	542
adamc@1121	543 ctx->client_data = uw_init_client_data();
adamc@1121	544
grrwlf@1997	545 ctx->loggers = lg;
adam@1334	546
adam@1386	547 ctx->isPost = ctx->hasPostBody = 0;
adam@1347	548
adam@1370	549 ctx->queryString = NULL;
adam@1370	550
adam@1556	551 ctx->nextId = 0;
adam@1556	552
adam@1782	553 ctx->amInitializing = 0;
adam@1782	554
adam@1877	555 ctx->usedSig = 0;
adam@1877	556 ctx->needsResig = 0;
adam@1877	557
adam@1949	558 ctx->output_buffer = malloc(1);
adam@1949	559 ctx->output_buffer_size = 1;
adam@1949	560
adamc@117	561 return ctx;
adamc@106	562 }
adamc@106	563
adamc@1113	564 size_t uw_inputs_max = SIZE_MAX;
adamc@1113	565
adamc@1121	566 uw_app *uw_get_app(uw_context ctx) {
adamc@1121	567 return ctx->app;
adamc@1121	568 }
adamc@1121	569
adamc@1113	570 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094	571 ctx->app = app;
adamc@1094	572
adamc@1105	573 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113	574 if (app->inputs_len > uw_inputs_max)
adamc@1113	575 return 1;
adamc@1113	576
adamc@1094	577 ctx->sz_inputs = app->inputs_len;
adamc@1094	578 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094	579 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094	580 }
adamc@1134	581
adamc@1134	582 return 0;
adamc@1094	583 }
adamc@1094	584
adamc@1121	585 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121	586 uw_copy_client_data(ctx->client_data, data);
adamc@1121	587 }
adamc@1121	588
adamc@311	589 void uw_set_db(uw_context ctx, void *db) {
adamc@272	590 ctx->db = db;
adamc@272	591 }
adamc@272	592
adamc@311	593 void *uw_get_db(uw_context ctx) {
adamc@272	594 return ctx->db;
adamc@272	595 }
adamc@272	596
grrwlf@1997	597
grrwlf@1997	598 uw_loggers* uw_get_loggers(struct uw_context *ctx) {
grrwlf@1997	599 return ctx->loggers;
grrwlf@1997	600 }
grrwlf@1997	601
adamc@311	602 void uw_free(uw_context ctx) {
adamc@671	603 size_t i;
adamc@671	604
adam@1369	605 uw_buffer_free(&ctx->outHeaders);
adam@1369	606 uw_buffer_free(&ctx->script);
adam@1369	607 uw_buffer_free(&ctx->page);
adam@1369	608 uw_buffer_free(&ctx->heap);
adamc@144	609 free(ctx->inputs);
adamc@756	610 free(ctx->subinputs);
adamc@425	611 free(ctx->cleanup);
adamc@771	612 free(ctx->transactionals);
adamc@1121	613 uw_free_client_data(ctx->client_data);
adamc@671	614
adamc@682	615 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369	616 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330	617 free(ctx->deltas);
adamc@671	618
adamc@1061	619 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089	620 if (ctx->globals[i].free)
adamc@1089	621 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330	622 free(ctx->globals);
adamc@1061	623
adam@1949	624 free(ctx->output_buffer);
adam@1949	625
adamc@136	626 free(ctx);
adamc@136	627 }
adamc@136	628
adamc@562	629 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369	630 uw_buffer_reset(&ctx->outHeaders);
adam@1369	631 uw_buffer_reset(&ctx->script);
adamc@667	632 ctx->script.start[0] = 0;
adam@1369	633 uw_buffer_reset(&ctx->page);
adam@1451	634 ctx->allowed_to_return_indirectly = ctx->returning_indirectly = 0;
adam@1369	635 uw_buffer_reset(&ctx->heap);
adamc@323	636 ctx->regions = NULL;
adamc@425	637 ctx->cleanup_front = ctx->cleanup;
adamc@682	638 ctx->used_deltas = 0;
adamc@682	639 ctx->client = NULL;
adamc@759	640 ctx->cur_container = NULL;
adamc@771	641 ctx->used_transactionals = 0;
adamc@1117	642 ctx->script_header = "";
adam@1370	643 ctx->queryString = NULL;
adam@1556	644 ctx->nextId = 0;
adam@1782	645 ctx->amInitializing = 0;
adam@1877	646 ctx->usedSig = 0;
adam@1877	647 ctx->needsResig = 0;
adamc@167	648 }
adamc@167	649
adamc@562	650 void uw_reset_keep_request(uw_context ctx) {
adamc@562	651 uw_reset_keep_error_message(ctx);
adamc@562	652 ctx->error_message[0] = 0;
adamc@167	653 }
adamc@167	654
adamc@311	655 void uw_reset(uw_context ctx) {
adamc@311	656 uw_reset_keep_request(ctx);
adamc@1105	657 if (ctx->app)
adamc@1105	658 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756	659 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adam@1461	660 ctx->used_subinputs = ctx->hasPostBody = ctx->isPost = 0;
adam@1943	661 ctx->transaction_started = 0;
adamc@144	662 }
adamc@144	663
adamc@311	664 failure_kind uw_begin_init(uw_context ctx) {
adamc@272	665 int r = setjmp(ctx->jmp_buf);
adamc@272	666
adamc@1105	667 if (r == 0 && ctx->app)
adamc@1094	668 ctx->app->db_init(ctx);
adamc@272	669
adamc@272	670 return r;
adamc@272	671 }
adamc@272	672
adamc@1118	673 void uw_close(uw_context ctx) {
adamc@1118	674 ctx->app->db_close(ctx);
adamc@1118	675 }
adamc@1118	676
adam@1446	677 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adam@1446	678 return ctx->get_header(ctx->get_header_data, h);
adam@1446	679 }
adam@1446	680
adamc@854	681 void uw_set_headers(uw_context ctx, char (get_header)(void , const char ), void *get_header_data) {
adamc@854	682 ctx->get_header = get_header;
adamc@854	683 ctx->get_header_data = get_header_data;
adamc@742	684 }
adamc@742	685
adam@1799	686 void uw_set_env(uw_context ctx, char (get_env)(void , const char ), void *get_env_data) {
adam@1799	687 ctx->get_env = get_env;
adam@1799	688 ctx->get_env_data = get_env_data;
adam@1799	689 }
adam@1799	690
adamc@801	691 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801	692 va_list ap;
adamc@801	693 va_start(ap, fmt);
adamc@801	694
adamc@801	695 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801	696 }
adamc@801	697
adamc@1131	698 int uw_has_error(uw_context ctx) {
adamc@1131	699 return ctx->error_message[0] != 0;
adamc@1131	700 }
adamc@1131	701
adamc@311	702 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425	703 cleanup *cl;
adamc@425	704
adamc@167	705 va_list ap;
adamc@167	706 va_start(ap, fmt);
adamc@167	707
adamc@167	708 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167	709
adamc@425	710 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425	711 cl->func(cl->arg);
adamc@425	712
adamc@425	713 ctx->cleanup_front = ctx->cleanup;
adamc@425	714
adamc@190	715 longjmp(ctx->jmp_buf, fk);
adamc@167	716 }
adamc@167	717
adamc@1113	718 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113	719
adamc@425	720 void uw_push_cleanup(uw_context ctx, void (func)(void ), void *arg) {
adamc@425	721 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425	722 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425	723 if (len == 0)
adamc@425	724 newLen = 1;
adamc@425	725 else
adamc@428	726 newLen = len * 2;
adamc@1113	727
adamc@1134	728 if (newLen > uw_cleanup_max) {
adamc@1113	729 if (len+1 <= uw_cleanup_max)
adamc@1113	730 newLen = uw_cleanup_max;
adamc@1113	731 else
adamc@1113	732 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134	733 }
adamc@1113	734
adamc@470	735 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425	736 ctx->cleanup_front = ctx->cleanup + len;
adamc@425	737 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425	738 }
adamc@425	739
adamc@425	740 ctx->cleanup_front->func = func;
adamc@425	741 ctx->cleanup_front->arg = arg;
adamc@425	742 ++ctx->cleanup_front;
adamc@425	743 }
adamc@425	744
adam@1444	745 char uw_Basis_htmlifyString(uw_context, const char );
adam@1444	746
adamc@682	747 void uw_login(uw_context ctx) {
adam@1942	748 char id_s, pass_s;
adam@1942	749
adam@1942	750 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adam@1942	751 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adam@1942	752 unsigned id = atoi(id_s);
adam@1942	753 int pass = atoi(pass_s);
adam@1942	754 client *c = find_client(id);
adam@1942	755
adam@1942	756 if (c == NULL)
adam@1942	757 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", uw_Basis_htmlifyString(ctx, id_s), uw_Basis_htmlifyString(ctx, pass_s));
adam@1942	758 else {
adamc@685	759 use_client(c);
adamc@682	760 ctx->client = c;
adam@1942	761
adam@1942	762 if (c->mode != USED)
adam@1942	763 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adam@1942	764 if (c->pass != pass)
adam@1942	765 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@864	766 }
adam@1942	767 } else if (ctx->needs_push) {
adam@1942	768 client *c = new_client();
adam@1942	769
adam@1942	770 if (c == NULL)
adam@1942	771 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adam@1942	772
adam@1942	773 use_client(c);
adam@1942	774 uw_copy_client_data(c->data, ctx->client_data);
adam@1942	775 ctx->client = c;
adamc@682	776 }
adamc@682	777 }
adamc@682	778
adamc@671	779 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671	780 int r = setjmp(ctx->jmp_buf);
adamc@671	781
adam@1931	782 if (r == 0)
adam@1931	783 ctx->app->handle(ctx, path);
adam@1931	784
adam@1931	785 return r;
adam@1931	786 }
adam@1931	787
adam@1931	788 void uw_ensure_transaction(uw_context ctx) {
adam@1931	789 if (!ctx->transaction_started) {
adam@1936	790 if (ctx->app->db_begin(ctx, ctx->could_write_db))
adamc@671	791 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1931	792 ctx->transaction_started = 1;
adamc@671	793 }
adamc@671	794 }
adamc@671	795
adamc@772	796 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682	797 if (ctx->client == NULL)
adamc@682	798 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682	799
adamc@682	800 return ctx->client->id;
adamc@682	801 }
adamc@682	802
adamc@425	803 void uw_pop_cleanup(uw_context ctx) {
adamc@425	804 if (ctx->cleanup_front == ctx->cleanup)
adamc@425	805 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425	806
adamc@425	807 --ctx->cleanup_front;
adamc@425	808 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425	809 }
adamc@425	810
adamc@311	811 char *uw_error_message(uw_context ctx) {
adamc@167	812 return ctx->error_message;
adamc@167	813 }
adamc@167	814
adamc@1115	815 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115	816 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115	817 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115	818 }
adamc@1115	819
adamc@759	820 static input *INP(uw_context ctx) {
adamc@759	821 if (ctx->cur_container == NULL)
adamc@759	822 return ctx->inputs;
adamc@759	823 else if (ctx->cur_container->kind == SUBFORM)
adamc@759	824 return ctx->cur_container->data.subform.fields;
adamc@759	825 else if (ctx->cur_container->kind == ENTRY)
adamc@759	826 return ctx->cur_container->data.entry.fields;
adamc@759	827 else
adamc@760	828 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759	829 }
adamc@759	830
adamc@760	831 static void adjust_pointer(input *ptr, input old_start, input *new_start, size_t len) {
adamc@760	832 if (ptr != NULL && ptr >= old_start && *ptr < old_start + len)
adamc@760	833 *ptr += new_start - old_start;
adamc@760	834 }
adamc@760	835
adamc@760	836 static void adjust_input(input x, input old_start, input *new_start, size_t len) {
adamc@759	837 switch (x->kind) {
adamc@759	838 case SUBFORM:
adamc@760	839 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760	840 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759	841 break;
adamc@759	842 case SUBFORMS:
adamc@760	843 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760	844 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759	845 break;
adamc@759	846 case ENTRY:
adamc@760	847 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760	848 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760	849 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134	850 break;
adamc@1134	851 default:
adamc@1134	852 break;
phurst@1981	853 }
adamc@759	854 }
adamc@759	855
adamc@1113	856 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113	857
adamc@759	858 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759	859 size_t i;
adamc@759	860 input *r;
adamc@759	861
adamc@759	862 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113	863 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113	864 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113	865
adamc@759	866 input new_subinputs = realloc(ctx->subinputs, sizeof(input) (ctx->used_subinputs + len));
adamc@759	867
adamc@760	868 if (ctx->subinputs != new_subinputs) {
adamc@760	869 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760	870 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094	871 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760	872 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	873
adamc@760	874 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	875
adamc@760	876 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760	877 ctx->subinputs = new_subinputs;
adamc@760	878 }
adamc@759	879 }
adamc@759	880
adamc@759	881 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759	882
adamc@759	883 for (i = 0; i < len; ++i)
adam@1474	884 ctx->subinputs[ctx->used_subinputs++].kind = UNSET;
adamc@759	885
adamc@759	886 return r;
adamc@759	887 }
adamc@756	888
adamc@801	889 int uw_set_input(uw_context ctx, const char name, char value) {
adamc@1050	890 //printf("Input name %s\n", name);
adamc@1038	891
adamc@756	892 if (!strcasecmp(name, ".b")) {
adamc@1094	893 int n = ctx->app->input_num(value);
adamc@756	894 input *inps;
adamc@756	895
adamc@801	896 if (n < 0) {
adam@1444	897 uw_set_error(ctx, "Bad subform name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801	898 return -1;
adamc@801	899 }
adamc@801	900
adamc@1094	901 if (n >= ctx->app->inputs_len) {
adam@1444	902 uw_set_error(ctx, "For subform name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801	903 return -1;
adamc@801	904 }
adamc@756	905
adamc@1094	906 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759	907
adamc@759	908 INP(ctx)[n].kind = SUBFORM;
adamc@759	909 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759	910 INP(ctx)[n].data.subform.fields = inps;
adamc@759	911 ctx->cur_container = &INP(ctx)[n];
adamc@756	912 } else if (!strcasecmp(name, ".e")) {
adamc@756	913 input *tmp;
adamc@756	914
adamc@801	915 if (ctx->cur_container == NULL) {
adamc@801	916 uw_set_error(ctx, "Unmatched subform closer");
adamc@801	917 return -1;
adamc@801	918 }
adamc@756	919
adamc@759	920 tmp = ctx->cur_container;
adamc@759	921 switch (tmp->kind) {
adamc@759	922 case SUBFORM:
adamc@759	923 ctx->cur_container = tmp->data.subform.parent;
adamc@759	924 tmp->data.subform.parent = NULL;
adamc@759	925 break;
adamc@759	926 case SUBFORMS:
adamc@759	927 ctx->cur_container = tmp->data.subforms.parent;
adamc@759	928 tmp->data.subforms.parent = NULL;
adamc@759	929 break;
adamc@759	930 case ENTRY:
adamc@759	931 ctx->cur_container = tmp->data.entry.parent;
adamc@759	932 break;
adamc@759	933 default:
adamc@801	934 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801	935 return -1;
adamc@759	936 }
adamc@759	937 } else if (!strcasecmp(name, ".s")) {
adamc@1094	938 int n = ctx->app->input_num(value);
adamc@759	939
adamc@801	940 if (n < 0) {
adam@1444	941 uw_set_error(ctx, "Bad subforms name %s", uw_Basis_htmlifyString(ctx, value));
adamc@801	942 return -1;
adamc@801	943 }
adamc@801	944
adamc@1094	945 if (n >= ctx->app->inputs_len) {
adam@1444	946 uw_set_error(ctx, "For subforms name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, value), n);
adamc@801	947 return -1;
adamc@801	948 }
adamc@759	949
adamc@759	950 INP(ctx)[n].kind = SUBFORMS;
adamc@759	951 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	952 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759	953 ctx->cur_container = &INP(ctx)[n];
adamc@759	954 } else if (!strcasecmp(name, ".i")) {
adamc@759	955 input *inps;
adamc@759	956
adamc@801	957 if (!ctx->cur_container) {
adamc@801	958 uw_set_error(ctx, "New entry without container");
adamc@801	959 return -1;
adamc@801	960 }
adamc@801	961
adamc@801	962 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801	963 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801	964 return -1;
adamc@801	965 }
adamc@759	966
adamc@1094	967 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759	968
adamc@759	969 inps->kind = ENTRY;
adamc@759	970 inps->data.entry.parent = ctx->cur_container;
adamc@759	971 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759	972 ctx->cur_container->data.subforms.entries = inps;
adamc@759	973
adamc@759	974 inps->data.entry.fields = inps+1;
adamc@759	975 ctx->cur_container = inps;
adamc@756	976 } else {
adamc@1094	977 int n = ctx->app->input_num(name);
adamc@756	978
adam@1384	979 if (n < 0)
adam@1384	980 return 0;
adamc@801	981
adamc@1094	982 if (n >= ctx->app->inputs_len) {
adam@1444	983 uw_set_error(ctx, "For input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801	984 return -1;
adamc@801	985 }
adamc@756	986
adamc@756	987 INP(ctx)[n].kind = NORMAL;
adamc@756	988 INP(ctx)[n].data.normal = value;
adamc@756	989 }
adamc@801	990
adamc@801	991 return 0;
adamc@144	992 }
adamc@144	993
adamc@311	994 char *uw_get_input(uw_context ctx, int n) {
adamc@169	995 if (n < 0)
adamc@311	996 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	997 if (n >= ctx->app->inputs_len)
adamc@311	998 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	999
adamc@756	1000 switch (INP(ctx)[n].kind) {
adamc@737	1001 case UNSET:
adamc@737	1002 return NULL;
adamc@739	1003 case FIL:
adamc@739	1004 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	1005 case SUBFORM:
adamc@756	1006 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	1007 case SUBFORMS:
adamc@759	1008 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	1009 case ENTRY:
adamc@759	1010 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	1011 case NORMAL:
adamc@756	1012 return INP(ctx)[n].data.normal;
adamc@737	1013 default:
adamc@737	1014 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1015 }
adamc@138	1016 }
adamc@138	1017
adamc@311	1018 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190	1019 if (n < 0)
adamc@311	1020 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	1021 if (n >= ctx->app->inputs_len)
adamc@311	1022 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	1023
adamc@756	1024 switch (INP(ctx)[n].kind) {
adamc@737	1025 case UNSET:
adamc@737	1026 return "";
adamc@739	1027 case FIL:
adamc@739	1028 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	1029 case SUBFORM:
adamc@756	1030 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	1031 case SUBFORMS:
adamc@759	1032 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	1033 case ENTRY:
adamc@759	1034 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	1035 case NORMAL:
adamc@756	1036 return INP(ctx)[n].data.normal;
adamc@737	1037 default:
adamc@737	1038 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1039 }
adamc@737	1040 }
adamc@737	1041
adamc@801	1042 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094	1043 int n = ctx->app->input_num(name);
adamc@737	1044
adamc@801	1045 if (n < 0) {
adam@1444	1046 uw_set_error(ctx, "Bad file input name %s", uw_Basis_htmlifyString(ctx, name));
adamc@801	1047 return -1;
adamc@801	1048 }
adamc@801	1049
adamc@1094	1050 if (n >= ctx->app->inputs_len) {
adam@1444	1051 uw_set_error(ctx, "For file input name %s, index %d is out of range", uw_Basis_htmlifyString(ctx, name), n);
adamc@801	1052 return -1;
adamc@801	1053 }
adamc@737	1054
adamc@739	1055 ctx->inputs[n].kind = FIL;
adamc@739	1056 ctx->inputs[n].data.file = f;
adamc@801	1057
adamc@801	1058 return 0;
adamc@737	1059 }
adamc@737	1060
adamc@739	1061 void *uw_malloc(uw_context ctx, size_t len);
adamc@739	1062
adamc@739	1063 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737	1064 if (n < 0)
adamc@737	1065 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094	1066 if (n >= ctx->app->inputs_len)
adamc@737	1067 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737	1068
adamc@756	1069 switch (INP(ctx)[n].kind) {
adamc@737	1070 case UNSET:
adamc@737	1071 {
adamc@739	1072 char *data = uw_malloc(ctx, 0);
adamc@740	1073 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739	1074 return f;
adamc@737	1075 }
adamc@739	1076 case FIL:
adamc@756	1077 return INP(ctx)[n].data.file;
adamc@737	1078 case NORMAL:
adamc@737	1079 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756	1080 case SUBFORM:
adamc@756	1081 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759	1082 case SUBFORMS:
adamc@759	1083 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759	1084 case ENTRY:
adamc@759	1085 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737	1086 default:
adamc@737	1087 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1088 }
adamc@190	1089 }
adamc@190	1090
adamc@756	1091 void uw_enter_subform(uw_context ctx, int n) {
adamc@756	1092 if (n < 0)
adamc@756	1093 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094	1094 if (n >= ctx->app->inputs_len)
adamc@756	1095 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756	1096
adamc@756	1097 switch (INP(ctx)[n].kind) {
adamc@756	1098 case UNSET:
adamc@756	1099 uw_error(ctx, FATAL, "Missing subform");
adamc@756	1100 case FIL:
adamc@756	1101 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756	1102 case NORMAL:
adamc@756	1103 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759	1104 case SUBFORMS:
adamc@759	1105 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759	1106 case ENTRY:
adamc@759	1107 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756	1108 case SUBFORM:
adamc@759	1109 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760	1110 ctx->cur_container = &INP(ctx)[n];
adamc@756	1111 return;
adamc@756	1112 default:
adamc@756	1113 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756	1114 }
adamc@756	1115 }
adamc@756	1116
adamc@756	1117 void uw_leave_subform(uw_context ctx) {
adamc@756	1118 input *tmp;
adamc@756	1119
adamc@759	1120 if (ctx->cur_container == NULL)
adamc@756	1121 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756	1122
adamc@759	1123 tmp = ctx->cur_container;
adamc@759	1124 ctx->cur_container = tmp->data.subform.parent;
adamc@759	1125 tmp->data.subform.parent = NULL;
adamc@759	1126 }
adamc@759	1127
adamc@759	1128 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759	1129 input *inps;
adamc@759	1130
adamc@759	1131 if (n < 0)
adamc@759	1132 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094	1133 if (n >= ctx->app->inputs_len)
adamc@759	1134 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759	1135
adamc@759	1136 switch (INP(ctx)[n].kind) {
adamc@759	1137 case UNSET:
adamc@759	1138 uw_error(ctx, FATAL, "Missing subforms");
adamc@759	1139 case FIL:
adamc@759	1140 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759	1141 case NORMAL:
adamc@759	1142 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759	1143 case SUBFORM:
adamc@759	1144 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759	1145 case ENTRY:
adamc@759	1146 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759	1147 case SUBFORMS:
adamc@759	1148 inps = INP(ctx)[n].data.subforms.entries;
adamc@759	1149 if (inps) {
adamc@759	1150 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	1151 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759	1152 return 1;
adamc@759	1153 } else
adamc@759	1154 return 0;
adamc@759	1155 default:
adamc@759	1156 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1157 }
adamc@759	1158 }
adamc@759	1159
adamc@759	1160 int uw_next_entry(uw_context ctx) {
adamc@759	1161 if (ctx->cur_container == NULL)
adamc@759	1162 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759	1163
adamc@759	1164 switch (ctx->cur_container->kind) {
adamc@759	1165 case UNSET:
adamc@759	1166 uw_error(ctx, FATAL, "Missing entry");
adamc@759	1167 case FIL:
adamc@759	1168 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759	1169 case NORMAL:
adamc@759	1170 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759	1171 case SUBFORM:
adamc@759	1172 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759	1173 case SUBFORMS:
adamc@759	1174 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759	1175 case ENTRY:
adamc@759	1176 if (ctx->cur_container->data.entry.next) {
adamc@759	1177 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759	1178 return 1;
adamc@759	1179 } else {
adamc@759	1180 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759	1181 return 0;
adamc@759	1182 }
adamc@759	1183 default:
adamc@759	1184 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1185 }
adamc@756	1186 }
adamc@756	1187
adamc@643	1188 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643	1189 ctx->script_header = s;
adamc@643	1190 }
adamc@643	1191
adamc@1094	1192 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094	1193 return ctx->app->url_prefix;
adamc@667	1194 }
adamc@667	1195
adamc@693	1196 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693	1197 ctx->needs_push = n;
adamc@693	1198 }
adamc@693	1199
adamc@736	1200 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736	1201 ctx->needs_sig = n;
adamc@736	1202 }
adamc@736	1203
adam@1936	1204 void uw_set_could_write_db(uw_context ctx, int n) {
adam@1936	1205 ctx->could_write_db = n;
adam@1936	1206 }
adam@1936	1207
adamc@667	1208
adam@1369	1209 static void uw_buffer_check_ctx(uw_context ctx, const char kind, uw_buffer b, size_t extra, const char *desc) {
adamc@666	1210 if (b->back - b->front < extra) {
adamc@666	1211 size_t desired = b->front - b->start + extra, next;
adamc@136	1212 char *new_heap;
adamc@136	1213
adamc@666	1214 next = b->back - b->start;
adamc@317	1215 if (next == 0)
adamc@317	1216 next = 1;
adamc@317	1217 for (; next < desired; next *= 2);
adamc@136	1218
adamc@1134	1219 if (next > b->max) {
adamc@1113	1220 if (desired <= b->max)
adamc@1113	1221 next = desired;
adamc@1113	1222 else
adamc@1113	1223 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134	1224 }
adamc@1113	1225
adamc@666	1226 new_heap = realloc(b->start, next);
adamc@666	1227 b->front = new_heap + (b->front - b->start);
adamc@666	1228 b->back = new_heap + next;
adamc@136	1229
adamc@667	1230 if (new_heap != b->start) {
adamc@666	1231 b->start = new_heap;
adam@1389	1232 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136	1233 }
adamc@136	1234
adamc@666	1235 b->start = new_heap;
adamc@136	1236 }
adamc@136	1237 }
adamc@136	1238
adamc@832	1239 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369	1240 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666	1241 }
adamc@666	1242
adamc@832	1243 char *uw_heap_front(uw_context ctx) {
adamc@832	1244 return ctx->heap.front;
adamc@832	1245 }
adamc@832	1246
adamc@832	1247 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832	1248 ctx->heap.front = fr;
adamc@832	1249 }
adamc@832	1250
adam@1782	1251 void uw_begin_initializing(uw_context ctx) {
adam@1782	1252 ctx->amInitializing = 1;
adam@1782	1253 }
adam@1782	1254
adam@1782	1255 void uw_end_initializing(uw_context ctx) {
adam@1782	1256 ctx->amInitializing = 0;
adam@1782	1257 }
adam@1782	1258
adamc@311	1259 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136	1260 void *result;
adamc@136	1261
adam@1782	1262 if (ctx->amInitializing) {
adam@1782	1263 result = malloc(len);
adam@1782	1264
adam@1782	1265 if (result)
adam@1782	1266 return result;
adam@1782	1267 else
adam@1782	1268 uw_error(ctx, FATAL, "uw_malloc: malloc() returns 0");
adam@1782	1269 } else {
adam@1782	1270 uw_check_heap(ctx, len);
adam@1782	1271
adam@1782	1272 result = ctx->heap.front;
adam@1782	1273 ctx->heap.front += len;
adam@1782	1274 return result;
adam@1782	1275 }
adamc@117	1276 }
adamc@117	1277
adamc@323	1278 void uw_begin_region(uw_context ctx) {
adamc@666	1279 regions r = (regions ) ctx->heap.front;
adamc@323	1280
adamc@323	1281 uw_check_heap(ctx, sizeof(regions));
adamc@323	1282
adamc@666	1283 ctx->heap.front += sizeof(regions);
adamc@323	1284
adamc@323	1285 r->next = ctx->regions;
adamc@323	1286 ctx->regions = r;
adamc@323	1287 }
adamc@323	1288
adamc@323	1289 void uw_end_region(uw_context ctx) {
adamc@323	1290 regions *r = ctx->regions;
adamc@323	1291
adamc@323	1292 if (r == NULL)
adamc@323	1293 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323	1294
adamc@666	1295 ctx->heap.front = (char *) r;
adamc@323	1296 ctx->regions = r->next;
adamc@323	1297 }
adamc@323	1298
adamc@324	1299 void uw_memstats(uw_context ctx) {
adam@1369	1300 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369	1301 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369	1302 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369	1303 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324	1304 }
adamc@324	1305
adam@1915	1306 int uw_pagelen(uw_context ctx) {
adam@1915	1307 return ctx->page.front - ctx->page.start;
adam@1915	1308 }
adam@1915	1309
adamc@311	1310 int uw_send(uw_context ctx, int sock) {
adam@1949	1311 size_t target_length = (ctx->outHeaders.front - ctx->outHeaders.start) + 2 + (ctx->page.front - ctx->page.start);
adam@1949	1312
adam@1949	1313 if (ctx->output_buffer_size < target_length) {
adam@1949	1314 do {
adam@1949	1315 ctx->output_buffer_size *= 2;
adam@1949	1316 } while (ctx->output_buffer_size < target_length);
adam@1949	1317 ctx->output_buffer = realloc(ctx->output_buffer, ctx->output_buffer_size);
adam@1949	1318 }
adam@1949	1319
adam@1949	1320 memcpy(ctx->output_buffer, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adam@1949	1321 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start), "\r\n", 2);
adam@1949	1322 memcpy(ctx->output_buffer + (ctx->outHeaders.front - ctx->outHeaders.start) + 2, ctx->page.start, ctx->page.front - ctx->page.start);
adam@1949	1323
adam@1949	1324 return uw_really_send(sock, ctx->output_buffer, target_length);
adamc@462	1325 }
adamc@462	1326
adamc@856	1327 int uw_print(uw_context ctx, int fd) {
adamc@856	1328 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856	1329
adamc@856	1330 if (n < 0)
adamc@856	1331 return n;
adamc@856	1332
adamc@856	1333 n = uw_really_write(fd, "\r\n", 2);
adamc@856	1334
adamc@856	1335 if (n < 0)
adamc@856	1336 return n;
adamc@856	1337
adamc@856	1338 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856	1339 }
adamc@856	1340
adamc@860	1341 int uw_output(uw_context ctx, int (output)(void data, char buf, size_t len), void data) {
adamc@860	1342 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860	1343
adamc@860	1344 if (n < 0)
adamc@860	1345 return n;
adamc@860	1346
adamc@860	1347 n = output(data, "\r\n", 2);
adamc@860	1348
adamc@860	1349 if (n < 0)
adamc@860	1350 return n;
adamc@860	1351
adamc@860	1352 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860	1353 }
adamc@860	1354
adamc@462	1355 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369	1356 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462	1357 }
adamc@462	1358
adamc@462	1359 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462	1360 int len = strlen(s);
adamc@462	1361
adamc@462	1362 uw_check_headers(ctx, len + 1);
adamc@666	1363 strcpy(ctx->outHeaders.front, s);
adamc@666	1364 ctx->outHeaders.front += len;
adamc@562	1365 }
adamc@562	1366
adam@1934	1367 int uw_has_contentLength(uw_context ctx) {
adam@1934	1368 return strstr(ctx->outHeaders.start, "Content-length: ") != NULL;
adam@1934	1369 }
adam@1934	1370
adamc@1110	1371 void uw_clear_headers(uw_context ctx) {
adam@1369	1372 uw_buffer_reset(&ctx->outHeaders);
adamc@1110	1373 }
adamc@1110	1374
adam@1932	1375 void uw_Basis_clear_page(uw_context ctx) {
adam@1932	1376 uw_buffer_reset(&ctx->page);
adam@1932	1377 }
adam@1932	1378
adamc@562	1379 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369	1380 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562	1381 }
adamc@562	1382
adamc@562	1383 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562	1384 int len = strlen(s);
adamc@562	1385
adamc@562	1386 uw_check_script(ctx, len + 1);
adamc@666	1387 strcpy(ctx->script.front, s);
adamc@666	1388 ctx->script.front += len;
adamc@562	1389 }
adamc@562	1390
adam@1446	1391 const char *uw_get_real_script(uw_context ctx) {
adam@1671	1392 if (strstr(ctx->outHeaders.start, "Set-Cookie: ")) {
adam@1671	1393 uw_write_script(ctx, "sig=\"");
adam@1671	1394 uw_write_script(ctx, ctx->app->cookie_sig(ctx));
adam@1671	1395 uw_write_script(ctx, "\";");
adam@1671	1396 }
adam@1671	1397
adam@1446	1398 return ctx->script.start;
adam@1446	1399 }
adam@1446	1400
adamc@695	1401 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695	1402 if (s[0] == 0)
adamc@695	1403 return "";
adamc@695	1404 else {
adamc@695	1405 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695	1406 sprintf(r, " onload='%s'", s);
adamc@695	1407 return r;
adamc@695	1408 }
adamc@695	1409 }
adamc@695	1410
adamc@1042	1411 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042	1412 if (ctx->script_header[0] == 0)
adamc@1042	1413 return "";
adamc@1042	1414 else {
vshabanoff@1763	1415 char *r = uw_malloc(ctx, 37 + strlen(s));
vshabanoff@1763	1416 sprintf(r, " onunload='unloading=true;%s;unload()'", s);
adamc@1042	1417 return r;
adamc@1042	1418 }
adamc@1042	1419 }
adamc@1042	1420
adamc@694	1421 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736	1422 if (ctx->client == NULL) {
adamc@736	1423 if (ctx->needs_sig) {
adamc@1094	1424 char *sig = ctx->app->cookie_sig(ctx);
adamc@736	1425 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736	1426 sprintf(r, "sig=\"%s\";", sig);
adamc@736	1427 return r;
adamc@736	1428 }
adamc@736	1429 else
adamc@736	1430 return "";
adamc@736	1431 } else {
adamc@1094	1432 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094	1433 char r = uw_malloc(ctx, 59 + 3 INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736	1434 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adam@1552	1435 sprintf(r, "isPost=%s;client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adam@1552	1436 (ctx->isPost ? "true" : "false"),
adamc@682	1437 ctx->client->id,
adamc@682	1438 ctx->client->pass,
adamc@1094	1439 ctx->app->url_prefix,
adamc@1094	1440 ctx->app->timeout,
adamc@736	1441 ctx->needs_sig ? "sig=\"" : "",
adamc@736	1442 sig,
adamc@736	1443 ctx->needs_sig ? "\";" : "");
adamc@679	1444 return r;
adamc@668	1445 }
adamc@667	1446 }
adamc@667	1447
adamc@574	1448 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574	1449 char r, s2;
adamc@574	1450
adam@1446	1451 uw_check_heap(ctx, strlen(s) * 4 + 3);
adamc@574	1452
adamc@666	1453 r = s2 = ctx->heap.front;
adamc@574	1454 *s2++ = '"';
adamc@574	1455
adamc@574	1456 for (; *s; s++) {
adam@1286	1457 unsigned char c = *s;
adamc@574	1458
adamc@574	1459 switch (c) {
adamc@574	1460 case '"':
adamc@574	1461 strcpy(s2, "\\\"");
adamc@574	1462 s2 += 2;
adamc@574	1463 break;
adamc@1027	1464 case '\'':
adamc@1027	1465 strcpy(s2, "\\047");
adamc@1027	1466 s2 += 4;
adamc@1027	1467 break;
adamc@574	1468 case '\\':
adamc@574	1469 strcpy(s2, "\\\\");
adamc@574	1470 s2 += 2;
adamc@574	1471 break;
adam@1457	1472 case '<':
adam@1457	1473 strcpy(s2, "\\074");
adam@1457	1474 s2 += 4;
adam@1457	1475 break;
adamc@574	1476 default:
adam@1286	1477 if (isprint((int)c) \|\| c >= 128)
adamc@574	1478 *s2++ = c;
adamc@574	1479 else {
adam@1429	1480 sprintf(s2, "\\%03o", c);
adamc@574	1481 s2 += 4;
adamc@574	1482 }
adamc@574	1483 }
adamc@574	1484 }
adamc@574	1485
adamc@574	1486 strcpy(s2, "\"");
adamc@910	1487 ctx->heap.front = s2 + 2;
adamc@574	1488 return r;
adamc@574	1489 }
adamc@574	1490
adam@1286	1491 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286	1492 unsigned char c = c1;
adamc@1025	1493 char r, s2;
adamc@1025	1494
adam@1446	1495 uw_check_heap(ctx, 7);
adamc@1025	1496
adamc@1025	1497 r = s2 = ctx->heap.front;
adamc@1025	1498 *s2++ = '"';
adamc@1025	1499
adamc@1025	1500 switch (c) {
adamc@1025	1501 case '"':
adamc@1025	1502 strcpy(s2, "\\\"");
adamc@1025	1503 s2 += 2;
adamc@1025	1504 break;
adamc@1027	1505 case '\'':
adamc@1027	1506 strcpy(s2, "\\047");
adamc@1027	1507 s2 += 4;
adamc@1027	1508 break;
adamc@1025	1509 case '\\':
adamc@1025	1510 strcpy(s2, "\\\\");
adamc@1025	1511 s2 += 2;
adamc@1025	1512 break;
adam@1457	1513 case '<':
adam@1457	1514 strcpy(s2, "\\074");
adam@1457	1515 s2 += 4;
adam@1457	1516 break;
adamc@1025	1517 default:
adam@1286	1518 if (isprint((int)c) \|\| c >= 128)
adamc@1025	1519 *s2++ = c;
adamc@1025	1520 else {
adam@1429	1521 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1025	1522 s2 += 4;
adamc@1025	1523 }
adamc@1025	1524 }
adamc@1025	1525
adamc@1025	1526 strcpy(s2, "\"");
adamc@1025	1527 ctx->heap.front = s2 + 2;
adamc@1025	1528 return r;
adamc@1025	1529 }
adamc@1025	1530
adamc@574	1531 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574	1532 char r, s2;
adamc@574	1533
adam@1446	1534 uw_check_script(ctx, strlen(s) * 4 + 3);
adamc@574	1535
adamc@666	1536 r = s2 = ctx->script.front;
adamc@574	1537 *s2++ = '"';
adamc@574	1538
adamc@574	1539 for (; *s; s++) {
adam@1286	1540 unsigned char c = *s;
adamc@574	1541
adamc@574	1542 switch (c) {
adamc@577	1543 case '\'':
adamc@1027	1544 strcpy(s2, "\\");
adamc@574	1545 s2 += 2;
adamc@574	1546 break;
adamc@574	1547 case '\\':
adamc@574	1548 strcpy(s2, "\\\\");
adamc@574	1549 s2 += 2;
adamc@574	1550 break;
adam@1457	1551 case '<':
adam@1457	1552 strcpy(s2, "\\074");
adam@1457	1553 s2 += 4;
adam@1457	1554 break;
adamc@574	1555 default:
adam@1286	1556 if (isprint((int)c) \|\| c >= 128)
adamc@574	1557 *s2++ = c;
adamc@574	1558 else {
adam@1429	1559 sprintf(s2, "\\%03o", c);
adamc@574	1560 s2 += 4;
adamc@574	1561 }
adamc@574	1562 }
adamc@574	1563 }
adamc@574	1564
adamc@574	1565 strcpy(s2, "\"");
adamc@666	1566 ctx->script.front = s2 + 1;
adamc@574	1567 return r;
adamc@574	1568 }
adamc@574	1569
adamc@682	1570 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1571 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1572 return "null";
adamc@682	1573 else {
adamc@682	1574 int len;
adamc@682	1575 char *r;
adamc@682	1576
adamc@682	1577 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1578 r = ctx->heap.front;
adamc@682	1579 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1580 ctx->heap.front += len+1;
adamc@682	1581 return r;
adamc@682	1582 }
adamc@682	1583 }
adamc@682	1584
adam@1446	1585 uw_Basis_source uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577	1586 int len;
adamc@577	1587 size_t s_len = strlen(s);
adamc@562	1588
adam@1446	1589 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446	1590 sprintf(ctx->script.front, "s%d_%llu=sc(exec(%n", ctx->id, ctx->source_count, &len);
adamc@666	1591 ctx->script.front += len;
adamc@666	1592 strcpy(ctx->script.front, s);
adamc@666	1593 ctx->script.front += s_len;
adamc@970	1594 strcpy(ctx->script.front, "));");
adamc@972	1595 ctx->script.front += 3;
adamc@562	1596
adam@1446	1597 uw_Basis_source r = {ctx->id, ctx->source_count++};
adam@1446	1598 return r;
adam@1446	1599 }
adam@1446	1600
adam@1446	1601 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_source src, uw_Basis_string s) {
adamc@577	1602 int len;
adamc@577	1603 size_t s_len = strlen(s);
adamc@577	1604
adam@1446	1605 uw_check_script(ctx, 15 + 2 * INTS_MAX + s_len);
adam@1446	1606 sprintf(ctx->script.front, "sv(s%d_%llu,exec(%n", src.context, src.source, &len);
adamc@666	1607 ctx->script.front += len;
adamc@666	1608 strcpy(ctx->script.front, s);
adamc@666	1609 ctx->script.front += s_len;
adamc@970	1610 strcpy(ctx->script.front, "));");
adamc@972	1611 ctx->script.front += 3;
adamc@577	1612
adamc@577	1613 return uw_unit_v;
adamc@577	1614 }
adamc@577	1615
adamc@311	1616 static void uw_check(uw_context ctx, size_t extra) {
adam@1369	1617 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117	1618 }
adamc@117	1619
adamc@311	1620 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666	1621 *(ctx->page.front)++ = c;
adam@1413	1622 *ctx->page.front = 0;
adamc@117	1623 }
adamc@117	1624
adamc@311	1625 void uw_writec(uw_context ctx, char c) {
adam@1413	1626 uw_check(ctx, 2);
adamc@311	1627 uw_writec_unsafe(ctx, c);
adamc@117	1628 }
adamc@117	1629
adamc@311	1630 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117	1631 int len = strlen(s);
adamc@666	1632 memcpy(ctx->page.front, s, len);
adamc@666	1633 ctx->page.front += len;
adamc@117	1634 }
adamc@117	1635
adamc@311	1636 void uw_write(uw_context ctx, const char* s) {
adamc@311	1637 uw_check(ctx, strlen(s) + 1);
adamc@311	1638 uw_write_unsafe(ctx, s);
adamc@666	1639 *ctx->page.front = 0;
adamc@102	1640 }
adamc@106	1641
adamc@311	1642 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136	1643 char *result;
adamc@136	1644 int len;
adamc@311	1645 uw_check_heap(ctx, INTS_MAX);
adamc@666	1646 result = ctx->heap.front;
adamc@276	1647 sprintf(result, "%lld%n", n, &len);
adamc@666	1648 ctx->heap.front += len+1;
adamc@136	1649 return result;
adamc@106	1650 }
adamc@106	1651
adamc@311	1652 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136	1653 char *result;
adamc@136	1654 int len;
adamc@311	1655 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1656 result = ctx->heap.front;
adam@1920	1657 sprintf(result, "%.16g%n", n, &len);
adamc@666	1658 ctx->heap.front += len+1;
adamc@136	1659 return result;
adamc@106	1660 }
adamc@106	1661
adamc@311	1662 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136	1663 int len = strlen(s);
adamc@136	1664 char result, p;
adamc@311	1665 uw_check_heap(ctx, len * 6 + 1);
adamc@136	1666
adamc@666	1667 result = p = ctx->heap.front;
adamc@136	1668
adamc@136	1669 for (; *s; s++) {
adamc@1054	1670 unsigned char c = *s;
adamc@136	1671
adamc@136	1672 if (c == '"') {
adamc@136	1673 strcpy(p, """);
adamc@136	1674 p += 6;
adamc@136	1675 } else if (c == '&') {
adamc@136	1676 strcpy(p, "&");
adamc@136	1677 p += 5;
adamc@136	1678 }
adamc@1059	1679 else
adamc@136	1680 *p++ = c;
adamc@136	1681 }
adamc@136	1682
adamc@137	1683 *p++ = 0;
adamc@666	1684 ctx->heap.front = p;
adamc@136	1685 return result;
adamc@106	1686 }
adamc@106	1687
adamc@1011	1688 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	1689 char result, p;
adamc@1011	1690 uw_check_heap(ctx, 7);
adamc@1011	1691
adamc@1011	1692 result = p = ctx->heap.front;
adamc@1011	1693
adamc@1011	1694 if (c == '"') {
adamc@1011	1695 strcpy(p, """);
adamc@1011	1696 p += 6;
adamc@1011	1697 } else if (c == '&') {
adamc@1011	1698 strcpy(p, "&");
adamc@1011	1699 p += 5;
adamc@1011	1700 }
adamc@1059	1701 else
adamc@1011	1702 *p++ = c;
adamc@1011	1703
adamc@1011	1704 *p++ = 0;
adamc@1011	1705 ctx->heap.front = p;
adamc@1011	1706 return result;
adamc@1011	1707 }
adamc@1011	1708
adamc@721	1709 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721	1710 return s;
adamc@721	1711 }
adamc@721	1712
adamc@311	1713 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117	1714 int len;
adamc@117	1715
adamc@666	1716 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1717 ctx->page.front += len;
adamc@106	1718 }
adamc@106	1719
adamc@428	1720 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1721 uw_check(ctx, INTS_MAX);
adamc@311	1722 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428	1723
adamc@428	1724 return uw_unit_v;
adamc@106	1725 }
adamc@106	1726
adamc@428	1727 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117	1728 int len;
adamc@117	1729
adamc@311	1730 uw_check(ctx, FLOATS_MAX);
adamc@666	1731 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1732 ctx->page.front += len;
adamc@428	1733
adamc@428	1734 return uw_unit_v;
adamc@117	1735 }
adamc@117	1736
adamc@428	1737 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311	1738 uw_check(ctx, strlen(s) * 6);
adamc@117	1739
adamc@106	1740 for (; *s; s++) {
adamc@1054	1741 unsigned char c = *s;
adamc@106	1742
adamc@106	1743 if (c == '"')
adamc@311	1744 uw_write_unsafe(ctx, """);
adamc@136	1745 else if (c == '&')
adamc@311	1746 uw_write_unsafe(ctx, "&");
adamc@1059	1747 else
adamc@311	1748 uw_writec_unsafe(ctx, c);
adamc@106	1749 }
adamc@428	1750
adamc@428	1751 return uw_unit_v;
adamc@106	1752 }
adamc@120	1753
adamc@1011	1754 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011	1755 uw_check(ctx, 6);
adamc@1011	1756
adamc@1011	1757 if (c == '"')
adamc@1011	1758 uw_write_unsafe(ctx, """);
adamc@1011	1759 else if (c == '&')
adamc@1011	1760 uw_write_unsafe(ctx, "&");
adamc@1059	1761 else
adamc@1011	1762 uw_writec_unsafe(ctx, c);
adamc@1011	1763
adamc@1011	1764 return uw_unit_v;
adamc@1011	1765 }
adamc@1011	1766
adamc@120	1767
adamc@311	1768 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137	1769 int len;
adamc@137	1770 char *r;
adamc@137	1771
adamc@311	1772 uw_check_heap(ctx, INTS_MAX);
adamc@666	1773 r = ctx->heap.front;
adamc@276	1774 sprintf(r, "%lld%n", n, &len);
adamc@666	1775 ctx->heap.front += len+1;
adamc@137	1776 return r;
adamc@120	1777 }
adamc@120	1778
adamc@682	1779 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1780 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1781 return "";
adamc@682	1782 else {
adamc@682	1783 int len;
adamc@682	1784 char *r;
adamc@679	1785
adamc@682	1786 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1787 r = ctx->heap.front;
adamc@682	1788 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1789 ctx->heap.front += len+1;
adamc@682	1790 return r;
adamc@682	1791 }
adamc@679	1792 }
adamc@679	1793
adamc@311	1794 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137	1795 int len;
adamc@137	1796 char *r;
adamc@137	1797
adamc@311	1798 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1799 r = ctx->heap.front;
adamc@137	1800 sprintf(r, "%g%n", n, &len);
adamc@666	1801 ctx->heap.front += len+1;
adamc@137	1802 return r;
adamc@120	1803 }
adamc@120	1804
adamc@311	1805 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1806 char r, p;
adamc@137	1807
adamc@925	1808 if (s[0] == '\0')
adamc@925	1809 return "_";
adamc@925	1810
adamc@925	1811 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925	1812
adamc@925	1813 r = p = ctx->heap.front;
adamc@925	1814 if (s[0] == '_')
adamc@925	1815 *p++ = '_';
adamc@925	1816
adamc@925	1817 for (; *s; s++) {
adamc@1087	1818 unsigned char c = *s;
adamc@137	1819
adamc@137	1820 if (c == ' ')
adamc@137	1821 *p++ = '+';
adamc@137	1822 else if (isalnum(c))
adamc@137	1823 *p++ = c;
adamc@137	1824 else {
adamc@1259	1825 sprintf(p, ".%02X", c);
adamc@137	1826 p += 3;
adamc@137	1827 }
adamc@137	1828 }
adamc@137	1829
adamc@137	1830 *p++ = 0;
adamc@666	1831 ctx->heap.front = p;
adamc@137	1832 return r;
adamc@120	1833 }
adamc@120	1834
adamc@311	1835 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1836 if (b == uw_Basis_False)
adamc@186	1837 return "0";
adamc@186	1838 else
adamc@186	1839 return "1";
adamc@186	1840 }
adamc@186	1841
adam@1620	1842 char *uw_Basis_urlifySource(uw_context ctx, uw_Basis_source src) {
adam@1620	1843 char *r;
adam@1620	1844 int len;
adam@1620	1845 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1620	1846 r = ctx->heap.front;
adam@1620	1847 sprintf(r, "%d/%llu%n", src.context, src.source, &len);
adam@1620	1848 ctx->heap.front += len+1;
adam@1620	1849 return r;
adam@1620	1850 }
adam@1620	1851
adamc@311	1852 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120	1853 int len;
adamc@120	1854
adamc@666	1855 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1856 ctx->page.front += len;
adamc@120	1857 }
adamc@120	1858
adamc@428	1859 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1860 uw_check(ctx, INTS_MAX);
adamc@311	1861 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428	1862
adamc@428	1863 return uw_unit_v;
adamc@120	1864 }
adamc@120	1865
adamc@682	1866 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1867 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682	1868 int len;
phurst@1981	1869
adamc@682	1870 uw_check(ctx, INTS_MAX + 1);
adamc@682	1871 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682	1872 ctx->page.front += len;
adamc@682	1873 }
phurst@1981	1874
adamc@679	1875 return uw_unit_v;
adamc@679	1876 }
adamc@679	1877
adamc@428	1878 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120	1879 int len;
adamc@120	1880
adamc@311	1881 uw_check(ctx, FLOATS_MAX);
adamc@666	1882 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1883 ctx->page.front += len;
adamc@428	1884
adamc@428	1885 return uw_unit_v;
adamc@120	1886 }
adamc@120	1887
adamc@488	1888 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376	1889 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488	1890 }
adamc@488	1891
adam@1404	1892 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404	1893 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404	1894 }
adam@1404	1895
adamc@428	1896 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925	1897 if (s[0] == '\0') {
adamc@925	1898 uw_check(ctx, 1);
adamc@925	1899 uw_writec_unsafe(ctx, '_');
adamc@925	1900 return uw_unit_v;
adamc@925	1901 }
adamc@925	1902
adamc@925	1903 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925	1904
adamc@925	1905 if (s[0] == '_')
adamc@925	1906 uw_writec_unsafe(ctx, '_');
adamc@120	1907
adamc@120	1908 for (; *s; s++) {
adamc@1087	1909 unsigned char c = *s;
adamc@120	1910
adamc@120	1911 if (c == ' ')
adamc@311	1912 uw_writec_unsafe(ctx, '+');
adamc@120	1913 else if (isalnum(c))
adamc@311	1914 uw_writec_unsafe(ctx, c);
adamc@120	1915 else {
adamc@1259	1916 sprintf(ctx->page.front, ".%02X", c);
adamc@666	1917 ctx->page.front += 3;
adamc@120	1918 }
adamc@120	1919 }
adamc@428	1920
adamc@428	1921 return uw_unit_v;
adamc@120	1922 }
adamc@120	1923
adamc@428	1924 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1925 if (b == uw_Basis_False)
adamc@311	1926 uw_writec(ctx, '0');
adamc@186	1927 else
adamc@311	1928 uw_writec(ctx, '1');
adamc@428	1929
adamc@428	1930 return uw_unit_v;
adamc@186	1931 }
adamc@186	1932
adam@1620	1933 uw_unit uw_Basis_urlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1620	1934 int len;
phurst@1981	1935
adam@1620	1936 uw_check(ctx, 2 * INTS_MAX + 2);
adam@1620	1937 sprintf(ctx->page.front, "%d/%llu%n", src.context, src.source, &len);
adam@1620	1938 ctx->page.front += len;
phurst@1981	1939
adam@1620	1940 return uw_unit_v;
adam@1620	1941 }
adam@1620	1942
adamc@120	1943
adamc@311	1944 static char uw_unurlify_advance(char s) {
adamc@144	1945 char *new_s = strchr(s, '/');
adamc@120	1946
adamc@120	1947 if (new_s)
adamc@120	1948 *new_s++ = 0;
adamc@120	1949 else
adamc@144	1950 new_s = strchr(s, 0);
adamc@144	1951
adamc@144	1952 return new_s;
adamc@144	1953 }
adamc@144	1954
adamc@311	1955 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311	1956 char new_s = uw_unurlify_advance(s);
adamc@311	1957 uw_Basis_int r;
adamc@120	1958
adamc@276	1959 r = atoll(*s);
adamc@120	1960 *s = new_s;
adamc@120	1961 return r;
adamc@120	1962 }
adamc@120	1963
adamc@311	1964 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311	1965 char new_s = uw_unurlify_advance(s);
adamc@311	1966 uw_Basis_float r;
adamc@120	1967
adamc@120	1968 r = atof(*s);
adamc@120	1969 *s = new_s;
adamc@120	1970 return r;
adamc@120	1971 }
adamc@120	1972
adamc@488	1973 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365	1974 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365	1975 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365	1976 return r;
adamc@488	1977 }
adamc@488	1978
adamc@1023	1979 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char r, char s) {
adamc@927	1980 char s1, s2 = s;
adamc@144	1981 int n;
adamc@136	1982
adamc@1023	1983 if (!fromClient) {
adamc@1023	1984 if (*s2 == '_')
adamc@1023	1985 ++s2;
adamc@1259	1986 else if ((s2[0] == '%' \|\| s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' \|\| s2[2] == 'F'))
adamc@1023	1987 s2 += 3;
adamc@1023	1988 }
adamc@925	1989
adamc@927	1990 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087	1991 unsigned char c = *s2;
adamc@136	1992
adamc@136	1993 switch (c) {
adamc@136	1994 case '+':
adamc@136	1995 *s1 = ' ';
adamc@136	1996 break;
adamc@136	1997 case '%':
adamc@169	1998 if (s2[1] == 0)
adamc@311	1999 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169	2000 if (s2[2] == 0)
adamc@311	2001 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169	2002 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444	2003 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@136	2004 *s1 = n;
adamc@136	2005 s2 += 2;
adamc@136	2006 break;
adamc@1259	2007 case '.':
adamc@1259	2008 if (!fromClient) {
adamc@1259	2009 if (s2[1] == 0)
adamc@1259	2010 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259	2011 if (s2[2] == 0)
adamc@1259	2012 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259	2013 if (sscanf(s2+1, "%02X", &n) != 1)
adam@1444	2014 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", uw_Basis_htmlifyString(ctx, s2));
adamc@1259	2015 *s1 = n;
adamc@1259	2016 s2 += 2;
adamc@1259	2017 break;
adamc@1259	2018 }
adamc@136	2019 default:
adamc@136	2020 *s1 = c;
adamc@136	2021 }
adamc@136	2022 }
adamc@136	2023 *s1++ = 0;
adamc@144	2024 return s1;
adamc@144	2025 }
adamc@144	2026
adamc@311	2027 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311	2028 char new_s = uw_unurlify_advance(s);
adamc@311	2029 uw_Basis_bool r;
phurst@1981	2030
adamc@186	2031 if (s[0] == 0 \|\| !strcmp(s, "0") \|\| !strcmp(*s, "off"))
adamc@311	2032 r = uw_Basis_False;
adamc@186	2033 else
adamc@311	2034 r = uw_Basis_True;
adamc@186	2035
adamc@186	2036 *s = new_s;
adamc@186	2037 return r;
adamc@186	2038 }
adamc@186	2039
adamc@311	2040 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311	2041 char new_s = uw_unurlify_advance(s);
adamc@1134	2042 char *r;
adamc@1134	2043 int len;
adamc@144	2044
adamc@200	2045 len = strlen(*s);
adamc@311	2046 uw_check_heap(ctx, len + 1);
adamc@144	2047
adamc@666	2048 r = ctx->heap.front;
adamc@1023	2049 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023	2050 *s = new_s;
adamc@1023	2051 return r;
adamc@1023	2052 }
adamc@1023	2053
adamc@1109	2054 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109	2055 s = uw_unurlify_advance(s);
adamc@1109	2056 return uw_unit_v;
adamc@1109	2057 }
adamc@1109	2058
adamc@1023	2059 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023	2060 char new_s = uw_unurlify_advance(s);
adamc@1134	2061 char *r;
adamc@1134	2062 int len;
adamc@1023	2063
adamc@1023	2064 len = strlen(*s);
adamc@1023	2065 uw_check_heap(ctx, len + 1);
adamc@1023	2066
adamc@1023	2067 r = ctx->heap.front;
adamc@1023	2068 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136	2069 *s = new_s;
adamc@136	2070 return r;
adamc@120	2071 }
adamc@135	2072
adamc@135	2073
adamc@311	2074 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286	2075 int len;
adamc@286	2076 char *r;
adamc@286	2077
adamc@311	2078 uw_check_heap(ctx, INTS_MAX);
adamc@666	2079 r = ctx->heap.front;
adamc@286	2080 sprintf(r, "%lld%n", n, &len);
adamc@666	2081 ctx->heap.front += len+1;
adamc@286	2082 return r;
adamc@286	2083 }
adamc@286	2084
adamc@428	2085 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286	2086 int len;
adamc@286	2087
adamc@311	2088 uw_check(ctx, INTS_MAX);
adamc@666	2089 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	2090 ctx->page.front += len;
phurst@1981	2091
adamc@428	2092 return uw_unit_v;
adamc@286	2093 }
adamc@286	2094
adam@1358	2095 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358	2096 unsigned int n = ch;
adam@1358	2097 int len;
adam@1358	2098 char *r;
adam@1358	2099
adam@1358	2100 uw_check_heap(ctx, INTS_MAX+3);
adam@1358	2101 r = ctx->heap.front;
adam@1358	2102 sprintf(r, "&#%u;%n", n, &len);
adam@1358	2103 ctx->heap.front += len+1;
adam@1358	2104 return r;
adam@1358	2105 }
adam@1358	2106
adam@1358	2107 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358	2108 unsigned int n = ch;
adam@1358	2109 int len;
adam@1358	2110
adam@1358	2111 uw_check(ctx, INTS_MAX+3);
adam@1358	2112 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358	2113 ctx->page.front += len;
adam@1358	2114 return uw_unit_v;
adam@1358	2115 }
adam@1358	2116
adamc@311	2117 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286	2118 int len;
adamc@286	2119 char *r;
adamc@286	2120
adamc@311	2121 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2122 r = ctx->heap.front;
adamc@286	2123 sprintf(r, "%g%n", n, &len);
adamc@666	2124 ctx->heap.front += len+1;
adamc@286	2125 return r;
adamc@286	2126 }
adamc@286	2127
adamc@428	2128 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286	2129 int len;
adamc@286	2130
adamc@311	2131 uw_check(ctx, FLOATS_MAX);
adamc@666	2132 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	2133 ctx->page.front += len;
adamc@428	2134
adamc@428	2135 return uw_unit_v;
adamc@286	2136 }
adamc@286	2137
adam@1365	2138 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360	2139 int len;
adam@1360	2140 char *r;
adam@1360	2141
adam@1360	2142 uw_check_heap(ctx, INTS_MAX);
adam@1360	2143 r = ctx->heap.front;
adamc@1377	2144 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360	2145 ctx->heap.front += len+1;
adam@1360	2146 return r;
adam@1360	2147 }
adam@1360	2148
adam@1365	2149 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360	2150 int len;
adam@1360	2151
adam@1360	2152 uw_check(ctx, INTS_MAX);
adam@1360	2153 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360	2154 ctx->page.front += len;
phurst@1981	2155
adam@1360	2156 return uw_unit_v;
adam@1360	2157 }
adam@1360	2158
adam@1444	2159 char uw_Basis_htmlifyString(uw_context ctx, const char s) {
adamc@137	2160 char r, s2;
adamc@137	2161
adamc@311	2162 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137	2163
adamc@666	2164 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054	2165 unsigned char c = *s;
adamc@137	2166
adamc@137	2167 switch (c) {
adamc@137	2168 case '<':
adamc@137	2169 strcpy(s2, "<");
adamc@137	2170 s2 += 4;
adamc@137	2171 break;
adamc@137	2172 case '&':
adamc@137	2173 strcpy(s2, "&");
adamc@137	2174 s2 += 5;
adamc@137	2175 break;
adamc@137	2176 default:
adamc@1059	2177 *s2++ = c;
adamc@137	2178 }
adamc@137	2179 }
adamc@137	2180
adamc@137	2181 *s2++ = 0;
adamc@666	2182 ctx->heap.front = s2;
adamc@137	2183 return r;
adamc@135	2184 }
adamc@135	2185
adamc@428	2186 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321	2187 uw_check(ctx, strlen(s) * 6);
adamc@135	2188
adamc@135	2189 for (; *s; s++) {
adamc@1054	2190 unsigned char c = *s;
adamc@135	2191
adamc@135	2192 switch (c) {
adamc@135	2193 case '<':
adamc@311	2194 uw_write_unsafe(ctx, "<");
adamc@135	2195 break;
adamc@135	2196 case '&':
adamc@311	2197 uw_write_unsafe(ctx, "&");
adamc@135	2198 break;
adamc@135	2199 default:
adamc@1059	2200 uw_writec_unsafe(ctx, c);
adamc@135	2201 }
adamc@135	2202 }
adamc@428	2203
adamc@428	2204 return uw_unit_v;
adamc@135	2205 }
adamc@180	2206
adamc@311	2207 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2208 if (b == uw_Basis_False)
adamc@286	2209 return "False";
adamc@286	2210 else
adamc@286	2211 return "True";
adamc@286	2212 }
adamc@286	2213
adamc@428	2214 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	2215 if (b == uw_Basis_False) {
adamc@311	2216 uw_check(ctx, 6);
adamc@666	2217 strcpy(ctx->page.front, "False");
adamc@666	2218 ctx->page.front += 5;
adamc@286	2219 } else {
adamc@311	2220 uw_check(ctx, 5);
adamc@666	2221 strcpy(ctx->page.front, "True");
adamc@666	2222 ctx->page.front += 4;
adamc@286	2223 }
adamc@428	2224
adamc@428	2225 return uw_unit_v;
adamc@286	2226 }
adamc@286	2227
adamc@436	2228 #define TIME_FMT "%x %X"
adamc@438	2229 #define TIME_FMT_PG "%Y-%m-%d %T"
adam@1632	2230 #define TIME_FMT_JS "%Y/%m/%d %T"
adamc@436	2231
adam@1629	2232 uw_Basis_string uw_Basis_timeToString(uw_context, uw_Basis_time);
adam@1629	2233
adamc@436	2234 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1629	2235 return uw_Basis_htmlifyString(ctx, uw_Basis_timeToString(ctx, t));
adamc@436	2236 }
adamc@436	2237
adamc@436	2238 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1629	2239 return uw_Basis_htmlifyString_w(ctx, uw_Basis_timeToString(ctx, t));
adamc@436	2240 }
adamc@436	2241
adam@1446	2242 char *uw_Basis_htmlifySource(uw_context ctx, uw_Basis_source src) {
adam@1446	2243 int len;
adam@1446	2244 char *r;
adam@1446	2245
adam@1446	2246 uw_check_heap(ctx, 2 * INTS_MAX + 2);
adam@1446	2247 r = ctx->heap.front;
adam@1446	2248 sprintf(r, "s%d_%llu%n", src.context, src.source, &len);
adam@1446	2249 ctx->heap.front += len+1;
adam@1446	2250 return r;
adam@1446	2251 }
adam@1446	2252
adam@1446	2253 uw_unit uw_Basis_htmlifySource_w(uw_context ctx, uw_Basis_source src) {
adam@1446	2254 int len;
adam@1446	2255
adam@1446	2256 uw_check(ctx, 2 * INTS_MAX + 1);
adam@1446	2257 sprintf(ctx->page.front, "s%d_%llu%n", src.context, src.source, &len);
adam@1446	2258 ctx->page.front += len;
phurst@1981	2259
adam@1446	2260 return uw_unit_v;
adam@1446	2261 }
adam@1446	2262
adamc@821	2263 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2264 while (n >= 0) {
adam@1388	2265 if (*s == 0)
adam@1388	2266 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388	2267
adam@1388	2268 if (n == 0)
adam@1388	2269 return *s;
adam@1388	2270
adam@1388	2271 --n;
adam@1388	2272 ++s;
adam@1388	2273 }
adam@1388	2274
adam@1388	2275 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821	2276 }
adamc@821	2277
adamc@821	2278 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2279 while (n >= 0) {
adam@1388	2280 if (*s == 0 \|\| n == 0)
adam@1388	2281 return s;
adam@1388	2282
adam@1388	2283 --n;
adam@1388	2284 ++s;
adam@1388	2285 }
adam@1388	2286
adam@1388	2287 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821	2288 }
adamc@821	2289
adamc@828	2290 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828	2291 return strlen(s);
adamc@828	2292 }
adamc@828	2293
adam@1388	2294 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2295 while (n > 0) {
adam@1388	2296 if (*s == 0)
adam@1388	2297 return uw_Basis_False;
adam@1388	2298
adam@1388	2299 --n;
adam@1388	2300 ++s;
adam@1388	2301 }
adam@1388	2302
adam@1388	2303 return uw_Basis_True;
adam@1388	2304 }
adam@1388	2305
adamc@829	2306 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2307 return strchr(s, ch);
adamc@829	2308 }
adamc@829	2309
adamc@831	2310 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831	2311 return strcspn(s, chs);
adamc@831	2312 }
adamc@831	2313
adamc@829	2314 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2315 uw_Basis_string r = strchr(s, ch);
adamc@829	2316 if (r == NULL)
adamc@829	2317 return NULL;
adamc@829	2318 else {
adamc@829	2319 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829	2320 *nr = r - s;
adamc@829	2321 return nr;
adamc@829	2322 }
adamc@829	2323 }
adamc@829	2324
adam@1390	2325 uw_Basis_int uw_Basis_strsindex(uw_context ctx, const char haystack, const char *needle) {
adam@1390	2326 uw_Basis_string r = strstr(haystack, needle);
adam@1390	2327 if (r == NULL)
adam@1390	2328 return NULL;
adam@1390	2329 else {
adam@1390	2330 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390	2331 *nr = r - haystack;
adam@1390	2332 return nr;
adam@1390	2333 }
adam@1390	2334 }
adam@1390	2335
adamc@311	2336 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828	2337 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180	2338 char *s;
adamc@180	2339
adamc@311	2340 uw_check_heap(ctx, len);
adamc@180	2341
adamc@666	2342 s = ctx->heap.front;
adamc@180	2343
adamc@180	2344 strcpy(s, s1);
adamc@180	2345 strcat(s, s2);
adamc@666	2346 ctx->heap.front += len;
adamc@180	2347
adamc@180	2348 return s;
adamc@180	2349 }
adamc@278	2350
adamc@829	2351 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829	2352 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829	2353
adamc@829	2354 if (start < 0)
adamc@829	2355 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829	2356 if (len < 0)
adamc@829	2357 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829	2358 if (start + len > full_len)
adamc@829	2359 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829	2360
adamc@829	2361 if (start + len == full_len)
adamc@829	2362 return &s[start];
adamc@829	2363 else {
adamc@829	2364 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959	2365 memcpy(r, s+start, len);
adamc@829	2366 r[len] = 0;
adamc@829	2367 return r;
adamc@829	2368 }
phurst@1981	2369
adamc@829	2370 }
adamc@829	2371
adamc@1023	2372 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023	2373 char *r;
adamc@1023	2374
adamc@1023	2375 uw_check_heap(ctx, 2);
adamc@1023	2376 r = ctx->heap.front;
adamc@1023	2377 r[0] = ch;
adamc@1023	2378 r[1] = 0;
adamc@1023	2379
adamc@1023	2380 ctx->heap.front += 2;
adamc@1023	2381
adamc@1023	2382 return r;
adamc@1023	2383 }
adamc@1023	2384
adamc@737	2385 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828	2386 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278	2387 char *s;
adamc@278	2388
adamc@311	2389 uw_check_heap(ctx, len);
adamc@278	2390
adamc@666	2391 s = ctx->heap.front;
adamc@278	2392
adamc@278	2393 strcpy(s, s1);
adamc@666	2394 ctx->heap.front += len;
adamc@278	2395
adamc@278	2396 return s;
adamc@278	2397 }
adamc@280	2398
adam@1295	2399 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295	2400 if (ctx->error_message[0]) {
adam@1295	2401 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295	2402 ctx->error_message[0] = 0;
adam@1295	2403 return s;
adam@1295	2404 } else
adam@1295	2405 return NULL;
adam@1295	2406 }
adam@1295	2407
adamc@737	2408 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493	2409 if (s1)
adamc@737	2410 return uw_strdup(ctx, s1);
adamc@493	2411 else
adamc@493	2412 return NULL;
adamc@493	2413 }
adamc@493	2414
adamc@742	2415 char uw_memdup(uw_context ctx, const char p, size_t len) {
adamc@742	2416 char *r = uw_malloc(ctx, len);
adamc@742	2417 memcpy(r, p, len);
adamc@742	2418 return r;
adamc@742	2419 }
adamc@280	2420
adamc@879	2421 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879	2422
adamc@311	2423 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281	2424 int len;
adamc@281	2425 char *r;
adamc@281	2426
adamc@311	2427 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666	2428 r = ctx->heap.front;
adamc@879	2429 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666	2430 ctx->heap.front += len+1;
adamc@281	2431 return r;
adamc@281	2432 }
adamc@281	2433
adamc@467	2434 char uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int n) {
adamc@467	2435 if (n == NULL)
adamc@467	2436 return "NULL";
adamc@467	2437 else
adamc@467	2438 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467	2439 }
adamc@467	2440
adam@1920	2441 char *uw_sqlfmtFloat = "%.16g::float8%n";
adamc@879	2442
adamc@311	2443 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281	2444 int len;
adamc@281	2445 char *r;
adamc@281	2446
adamc@311	2447 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666	2448 r = ctx->heap.front;
adamc@879	2449 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666	2450 ctx->heap.front += len+1;
adamc@281	2451 return r;
adamc@281	2452 }
adamc@281	2453
adamc@467	2454 char uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float n) {
adamc@467	2455 if (n == NULL)
adamc@467	2456 return "NULL";
adamc@467	2457 else
adamc@467	2458 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467	2459 }
adamc@467	2460
adam@1834	2461 int uw_Estrings = 1, uw_sql_type_annotations = 1;
adamc@879	2462 char *uw_sqlsuffixString = "::text";
adamc@1011	2463 char *uw_sqlsuffixChar = "::char";
adamc@281	2464
adamc@311	2465 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280	2466 char r, s2;
adamc@280	2467
adamc@879	2468 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280	2469
adamc@666	2470 r = s2 = ctx->heap.front;
adamc@879	2471 if (uw_Estrings)
adamc@879	2472 *s2++ = 'E';
adamc@280	2473 *s2++ = '\'';
adamc@280	2474
adamc@280	2475 for (; *s; s++) {
adamc@280	2476 char c = *s;
adamc@280	2477
adamc@280	2478 switch (c) {
adamc@280	2479 case '\'':
adamc@885	2480 if (uw_Estrings)
adamc@885	2481 strcpy(s2, "\\'");
adamc@885	2482 else
adamc@885	2483 strcpy(s2, "''");
adamc@280	2484 s2 += 2;
adamc@280	2485 break;
adamc@280	2486 case '\\':
adamc@885	2487 if (uw_Estrings) {
adamc@885	2488 strcpy(s2, "\\\\");
adamc@885	2489 s2 += 2;
adamc@885	2490 } else
adamc@885	2491 *s2++ = '\\';
adamc@280	2492 break;
adamc@280	2493 default:
adamc@1150	2494 if (isprint((int)c))
adamc@280	2495 *s2++ = c;
adamc@879	2496 else if (uw_Estrings) {
adam@1857	2497 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@280	2498 s2 += 4;
adamc@280	2499 }
adamc@879	2500 else
adam@1689	2501 *s2++ = c; // I hope this is safe to do... don't know how to support UTF-8 outside Postgres otherwise!
adamc@280	2502 }
adamc@280	2503 }
adamc@280	2504
adamc@879	2505 *s2++ = '\'';
adamc@879	2506 strcpy(s2, uw_sqlsuffixString);
adamc@879	2507 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280	2508 return r;
adamc@280	2509 }
adamc@281	2510
adamc@1011	2511 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	2512 char r, s2;
adamc@1011	2513
adamc@1011	2514 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011	2515
adamc@1011	2516 r = s2 = ctx->heap.front;
adamc@1011	2517 if (uw_Estrings)
adamc@1011	2518 *s2++ = 'E';
adamc@1011	2519 *s2++ = '\'';
adamc@1011	2520
adamc@1011	2521 switch (c) {
adamc@1011	2522 case '\'':
adamc@1011	2523 if (uw_Estrings)
adamc@1011	2524 strcpy(s2, "\\'");
adamc@1011	2525 else
adamc@1011	2526 strcpy(s2, "''");
adamc@1011	2527 s2 += 2;
adamc@1011	2528 break;
adamc@1011	2529 case '\\':
adamc@1011	2530 if (uw_Estrings) {
adamc@1011	2531 strcpy(s2, "\\\\");
adamc@1011	2532 s2 += 2;
adamc@1011	2533 } else
adamc@1011	2534 *s2++ = '\\';
adamc@1011	2535 break;
adamc@1011	2536 default:
adamc@1150	2537 if (isprint((int)c))
adamc@1011	2538 *s2++ = c;
adamc@1011	2539 else if (uw_Estrings) {
adam@1857	2540 sprintf(s2, "\\%03o", (unsigned char)c);
adamc@1011	2541 s2 += 4;
adamc@1011	2542 }
adamc@1011	2543 else
adamc@1011	2544 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011	2545 }
adamc@1011	2546
adamc@1011	2547 *s2++ = '\'';
adamc@1011	2548 strcpy(s2, uw_sqlsuffixChar);
adamc@1011	2549 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011	2550 return r;
adamc@1011	2551 }
adamc@1011	2552
adamc@879	2553 char *uw_sqlsuffixBlob = "::bytea";
adamc@879	2554
adam@1867	2555 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737	2556 char r, s2;
adamc@737	2557 size_t i;
adamc@737	2558
adam@1867	2559 uw_check_heap(ctx, b.size * 5 + 4 + strlen(uw_sqlsuffixBlob));
adamc@737	2560
adamc@737	2561 r = s2 = ctx->heap.front;
adamc@879	2562 if (uw_Estrings)
adamc@879	2563 *s2++ = 'E';
adam@1867	2564 else
adam@1867	2565 *s2++ = 'X';
adamc@737	2566 *s2++ = '\'';
adamc@737	2567
adamc@737	2568 for (i = 0; i < b.size; ++i) {
adam@1867	2569 unsigned char c = b.data[i];
adam@1867	2570
adam@1867	2571 if (uw_Estrings) {
adam@1867	2572 switch (c) {
adam@1867	2573 case '\'':
adamc@885	2574 strcpy(s2, "\\'");
adam@1867	2575 s2 += 2;
adam@1867	2576 break;
adam@1867	2577 case '\\':
adamc@885	2578 strcpy(s2, "\\\\\\\\");
adamc@885	2579 s2 += 4;
adam@1867	2580 break;
adam@1867	2581 default:
adam@1867	2582 if (isprint((int)c))
adam@1867	2583 *s2++ = c;
adam@1867	2584 else {
adam@1867	2585 sprintf(s2, "\\\\%03o", c);
adam@1867	2586 s2 += 5;
adam@1867	2587 }
adamc@737	2588 }
adam@1867	2589 } else {
adam@1867	2590 sprintf(s2, "%02X", c);
adam@1867	2591 s2 += 2;
adamc@737	2592 }
phurst@1981	2593 }
adamc@737	2594
adamc@879	2595 *s2++ = '\'';
adamc@879	2596 strcpy(s2, uw_sqlsuffixBlob);
adamc@879	2597 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737	2598 return r;
adamc@737	2599 }
adamc@737	2600
adamc@682	2601 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2602 int len;
adamc@682	2603 char *r;
adamc@682	2604 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2605
adamc@682	2606 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2607 r = ctx->heap.front;
adamc@879	2608 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682	2609 ctx->heap.front += len+1;
adamc@682	2610 return r;
adamc@682	2611 }
adamc@682	2612
adamc@682	2613 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2614 int len;
adamc@682	2615 char *r;
adamc@682	2616 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2617
adamc@682	2618 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2619 r = ctx->heap.front;
adamc@682	2620 sprintf(r, "%lld%n", combo, &len);
adamc@682	2621 ctx->heap.front += len+1;
adamc@682	2622 return r;
adamc@682	2623 }
adamc@682	2624
adamc@879	2625 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879	2626
adamc@682	2627 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2628 int len;
adamc@682	2629 char *r;
adamc@682	2630
adamc@682	2631 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2632 r = ctx->heap.front;
adamc@879	2633 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682	2634 ctx->heap.front += len+1;
adamc@682	2635 return r;
adamc@682	2636 }
adamc@682	2637
adamc@682	2638 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2639 int len;
adamc@682	2640 char *r;
adamc@682	2641
adamc@682	2642 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2643 r = ctx->heap.front;
adamc@682	2644 sprintf(r, "%u%n", cli, &len);
adamc@682	2645 ctx->heap.front += len+1;
adamc@682	2646 return r;
adamc@682	2647 }
adamc@682	2648
adamc@467	2649 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467	2650 if (s == NULL)
adamc@467	2651 return "NULL";
adamc@467	2652 else
adamc@467	2653 return uw_Basis_sqlifyString(ctx, s);
adamc@467	2654 }
adamc@467	2655
adamc@311	2656 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2657 if (b == uw_Basis_False)
adamc@281	2658 return "FALSE";
adamc@281	2659 else
adamc@281	2660 return "TRUE";
adamc@281	2661 }
adamc@282	2662
adamc@467	2663 char uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool b) {
adamc@467	2664 if (b == NULL)
adamc@467	2665 return "NULL";
adamc@467	2666 else
adamc@467	2667 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467	2668 }
adamc@467	2669
adamc@439	2670 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439	2671 size_t len;
adamc@682	2672 char r, s;
adam@1392	2673 struct tm stm = {};
adam@1392	2674 stm.tm_isdst = -1;
adamc@682	2675
adam@1365	2676 if (localtime_r(&t.seconds, &stm)) {
adamc@682	2677 s = uw_malloc(ctx, TIMES_MAX);
adam@1364	2678 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1834	2679 if (uw_sql_type_annotations) {
adam@1834	2680 if (t.microseconds) {
adam@1834	2681 r = uw_malloc(ctx, len + 21);
adam@1834	2682 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1834	2683 } else {
adam@1834	2684 r = uw_malloc(ctx, len + 14);
adam@1834	2685 sprintf(r, "'%s'::timestamp", s);
adam@1834	2686 }
adam@1367	2687 } else {
adam@1834	2688 r = uw_malloc(ctx, len + 3);
adam@1834	2689 sprintf(r, "'%s'", s);
adam@1367	2690 }
adamc@682	2691 return r;
adamc@682	2692 } else
adamc@682	2693 return "<Invalid time>";
adamc@682	2694 }
adamc@682	2695
adamc@682	2696 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682	2697 size_t len;
adamc@439	2698 char *r;
adam@1392	2699 struct tm stm = {};
adam@1392	2700 stm.tm_isdst = -1;
adamc@439	2701
adam@1365	2702 if (localtime_r(&t.seconds, &stm)) {
adamc@439	2703 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2704 r = ctx->heap.front;
adamc@439	2705 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2706 ctx->heap.front += len+1;
adamc@439	2707 return r;
adamc@439	2708 } else
adamc@439	2709 return "<Invalid time>";
adamc@439	2710 }
adamc@439	2711
adam@1364	2712 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364	2713 size_t len;
adam@1364	2714 char *r;
adam@1392	2715 struct tm stm = {};
adam@1392	2716 stm.tm_isdst = -1;
adam@1364	2717
adam@1365	2718 if (localtime_r(&t.seconds, &stm)) {
adam@1364	2719 uw_check_heap(ctx, TIMES_MAX);
adam@1364	2720 r = ctx->heap.front;
adam@1365	2721 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365	2722 ctx->heap.front += len;
adam@1365	2723 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365	2724 ctx->heap.front += 8;
adam@1364	2725 return r;
adam@1364	2726 } else
adam@1364	2727 return "<Invalid time>";
adam@1364	2728 }
adam@1364	2729
adamc@467	2730 char uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time t) {
adamc@467	2731 if (t == NULL)
adamc@467	2732 return "NULL";
adamc@467	2733 else
adamc@467	2734 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467	2735 }
adamc@467	2736
adamc@311	2737 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311	2738 static uw_Basis_int true = 1;
adamc@311	2739 static uw_Basis_int false = 0;
adamc@282	2740
adamc@311	2741 if (b == uw_Basis_False)
adamc@282	2742 return (char *)&false;
adamc@282	2743 else
adamc@282	2744 return (char *)&true;
adamc@282	2745 }
adamc@284	2746
adamc@311	2747 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284	2748 int len;
adamc@284	2749 char *r;
adamc@284	2750
adamc@311	2751 uw_check_heap(ctx, INTS_MAX);
adamc@666	2752 r = ctx->heap.front;
adamc@284	2753 sprintf(r, "%lld%n", n, &len);
adamc@666	2754 ctx->heap.front += len+1;
adamc@284	2755 return r;
adamc@284	2756 }
adamc@285	2757
adamc@311	2758 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285	2759 int len;
adamc@285	2760 char *r;
adamc@285	2761
adamc@311	2762 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2763 r = ctx->heap.front;
adamc@285	2764 sprintf(r, "%g%n", n, &len);
adamc@666	2765 ctx->heap.front += len+1;
adamc@285	2766 return r;
adamc@285	2767 }
adamc@285	2768
adamc@821	2769 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821	2770 char *r = uw_malloc(ctx, 2);
adamc@821	2771 r[0] = ch;
adamc@821	2772 r[1] = 0;
adamc@821	2773 return r;
adamc@821	2774 }
adamc@821	2775
adamc@311	2776 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311	2777 if (b == uw_Basis_False)
adamc@285	2778 return "False";
adamc@285	2779 else
adamc@285	2780 return "True";
adamc@285	2781 }
adamc@288	2782
adam@1359	2783 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352	2784 size_t len;
adam@1352	2785 char *r;
adam@1392	2786 struct tm stm = {};
adam@1392	2787 stm.tm_isdst = -1;
adam@1352	2788
adam@1365	2789 if (localtime_r(&t.seconds, &stm)) {
adam@1352	2790 uw_check_heap(ctx, TIMES_MAX);
adam@1352	2791 r = ctx->heap.front;
adam@1352	2792 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352	2793 ctx->heap.front += len+1;
adam@1352	2794 return r;
adam@1352	2795 } else
adam@1352	2796 return "<Invalid time>";
adam@1352	2797 }
adam@1352	2798
adam@1629	2799 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adam@1629	2800 return uw_Basis_timef(ctx, ctx->app->time_format, t);
adam@1629	2801 }
adam@1629	2802
adamc@311	2803 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288	2804 char *endptr;
adamc@311	2805 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288	2806
adamc@288	2807 if (s != '\0' && endptr == '\0') {
adamc@311	2808 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288	2809 *r = n;
adamc@288	2810 return r;
adamc@288	2811 } else
adamc@288	2812 return NULL;
adamc@288	2813 }
adamc@289	2814
adamc@311	2815 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289	2816 char *endptr;
adamc@311	2817 uw_Basis_float n = strtod(s, &endptr);
adamc@289	2818
adamc@289	2819 if (s != '\0' && endptr == '\0') {
adamc@311	2820 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289	2821 *r = n;
adamc@289	2822 return r;
adamc@289	2823 } else
adamc@289	2824 return NULL;
adamc@289	2825 }
adamc@289	2826
adamc@821	2827 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821	2828 if (s[0] == 0) {
adamc@821	2829 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2830 r[0] = 0;
adamc@821	2831 return r;
adamc@821	2832 } else if (s[1] != 0)
adamc@821	2833 return NULL;
adamc@821	2834 else {
adamc@821	2835 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2836 r[0] = s[0];
adamc@821	2837 return r;
adamc@821	2838 }
adamc@821	2839 }
adamc@821	2840
adamc@311	2841 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311	2842 static uw_Basis_bool true = uw_Basis_True;
adamc@311	2843 static uw_Basis_bool false = uw_Basis_False;
adamc@289	2844
adamc@289	2845 if (!strcasecmp (s, "True"))
adamc@289	2846 return &true;
adamc@289	2847 else if (!strcasecmp (s, "False"))
adamc@289	2848 return &false;
adamc@289	2849 else
adamc@289	2850 return NULL;
adamc@289	2851 }
adamc@292	2852
adamc@436	2853 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438	2854 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1374	2855 struct tm stm = {};
adam@1392	2856 stm.tm_isdst = -1;
adamc@436	2857
adamc@439	2858 if (dot) {
adamc@439	2859 *dot = 0;
adamc@439	2860 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2861 *dot = '.';
adamc@439	2862 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2863 r->seconds = mktime(&stm);
adam@1365	2864 r->microseconds = 0;
adamc@439	2865 return r;
adamc@439	2866 }
adamc@439	2867 else {
adamc@439	2868 *dot = '.';
adamc@439	2869 return NULL;
adamc@439	2870 }
adamc@436	2871 }
adamc@439	2872 else {
adamc@439	2873 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2874 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2875 r->seconds = mktime(&stm);
adam@1365	2876 r->microseconds = 0;
adamc@439	2877 return r;
adamc@439	2878 }
adamc@439	2879 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439	2880 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2881 r->seconds = mktime(&stm);
adam@1365	2882 r->microseconds = 0;
adamc@439	2883 return r;
adam@1632	2884 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632	2885 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1632	2886 r->seconds = mktime(&stm);
adam@1632	2887 r->microseconds = 0;
adam@1632	2888 return r;
adamc@439	2889 }
adamc@439	2890 else
adamc@439	2891 return NULL;
adamc@439	2892 }
adamc@436	2893 }
adamc@436	2894
adam@1352	2895 uw_Basis_time uw_Basis_stringToTimef(uw_context ctx, const char fmt, uw_Basis_string s) {
adam@1352	2896 char *end = strchr(s, 0);
adam@1374	2897 struct tm stm = {};
adam@1392	2898 stm.tm_isdst = -1;
adam@1352	2899
adam@1352	2900 if (strptime(s, fmt, &stm) == end) {
adam@1352	2901 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2902 r->seconds = mktime(&stm);
adam@1365	2903 r->microseconds = 0;
adam@1352	2904 return r;
adam@1352	2905 }
adam@1352	2906 else
adam@1352	2907 return NULL;
adam@1352	2908 }
adam@1352	2909
adamc@311	2910 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292	2911 char *endptr;
adamc@311	2912 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292	2913
adamc@292	2914 if (s != '\0' && endptr == '\0')
adamc@292	2915 return n;
adamc@292	2916 else
adam@1444	2917 uw_error(ctx, FATAL, "Can't parse int: %s", uw_Basis_htmlifyString(ctx, s));
adamc@292	2918 }
adamc@293	2919
adamc@682	2920 #include <errno.h>
adamc@682	2921
adamc@678	2922 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682	2923 unsigned long long n;
adamc@682	2924
adamc@682	2925 if (sscanf(s, "%llu", &n) < 1)
adam@1444	2926 uw_error(ctx, FATAL, "Can't parse channel: %s", uw_Basis_htmlifyString(ctx, s));
adamc@682	2927 else {
adamc@682	2928 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682	2929 return ch;
adamc@682	2930 }
adamc@682	2931 }
adamc@682	2932
adamc@682	2933 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678	2934 char *endptr;
adamc@682	2935 unsigned long n = strtoul(s, &endptr, 10);
adamc@678	2936
adamc@678	2937 if (s != '\0' && endptr == '\0')
adamc@678	2938 return n;
adamc@678	2939 else
adam@1444	2940 uw_error(ctx, FATAL, "Can't parse client: %s", uw_Basis_htmlifyString(ctx, s));
adamc@678	2941 }
adamc@678	2942
adamc@311	2943 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293	2944 char *endptr;
adamc@311	2945 uw_Basis_float n = strtod(s, &endptr);
adamc@293	2946
adamc@293	2947 if (s != '\0' && endptr == '\0')
adamc@293	2948 return n;
adamc@293	2949 else
adam@1444	2950 uw_error(ctx, FATAL, "Can't parse float: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293	2951 }
adamc@293	2952
adamc@821	2953 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821	2954 if (s[0] == 0)
adamc@821	2955 return 0;
adamc@821	2956 else if (s[1] != 0)
adam@1444	2957 uw_error(ctx, FATAL, "Can't parse char: %s", uw_Basis_htmlifyString(ctx, s));
adamc@821	2958 else
adamc@821	2959 return s[0];
adamc@821	2960 }
adamc@821	2961
adamc@311	2962 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296	2963 if (!strcasecmp(s, "T") \|\| !strcasecmp (s, "True"))
adamc@311	2964 return uw_Basis_True;
adamc@296	2965 else if (!strcasecmp(s, "F") \|\| !strcasecmp (s, "False"))
adamc@311	2966 return uw_Basis_False;
adamc@293	2967 else
adam@1444	2968 uw_error(ctx, FATAL, "Can't parse bool: %s", uw_Basis_htmlifyString(ctx, s));
adamc@293	2969 }
adamc@436	2970
adam@1352	2971 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352	2972 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1352	2973 struct tm stm = {};
adam@1392	2974 stm.tm_isdst = -1;
adam@1352	2975
adam@1352	2976 if (dot) {
adam@1352	2977 *dot = 0;
adam@1352	2978 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352	2979 *dot = '.';
adam@1410	2980 char usec[] = "000000";
adam@1410	2981 int len = strlen(dot+1);
adam@1410	2982 memcpy(usec, dot+1, len < 6 ? len : 6);
adam@1410	2983 uw_Basis_time r = { mktime(&stm), atoi(usec) };
adam@1365	2984 return r;
adam@1352	2985 }
adam@1352	2986 else {
adam@1352	2987 *dot = '.';
adam@1444	2988 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352	2989 }
adam@1352	2990 }
adam@1352	2991 else {
adam@1352	2992 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	2993 uw_Basis_time r = { mktime(&stm) };
adam@1365	2994 return r;
adam@1352	2995 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	2996 uw_Basis_time r = { mktime(&stm) };
adam@1365	2997 return r;
adam@1352	2998 } else
adam@1444	2999 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adam@1352	3000 }
adam@1352	3001 }
adam@1352	3002
adamc@436	3003 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438	3004 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	3005 struct tm stm = {};
adam@1392	3006 stm.tm_isdst = -1;
adamc@436	3007
adamc@438	3008 if (dot) {
adamc@438	3009 *dot = 0;
adamc@438	3010 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438	3011 *dot = '.';
adam@1365	3012 {
adam@1365	3013 uw_Basis_time r = { mktime(&stm) };
adam@1365	3014 return r;
adam@1365	3015 }
adamc@438	3016 }
adamc@438	3017 else {
adamc@438	3018 *dot = '.';
adam@1444	3019 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438	3020 }
adamc@438	3021 }
adamc@438	3022 else {
adam@1365	3023 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	3024 uw_Basis_time r = { mktime(&stm) };
adam@1365	3025 return r;
adam@1365	3026 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	3027 uw_Basis_time r = { mktime(&stm) };
adam@1365	3028 return r;
adam@1632	3029 } else if (strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1632	3030 uw_Basis_time r = { mktime(&stm) };
adam@1632	3031 return r;
adam@1365	3032 } else
adam@1444	3033 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@438	3034 }
adamc@436	3035 }
adamc@457	3036
adam@1352	3037 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352	3038 char *end = strchr(s, 0);
adamc@939	3039 struct tm stm = {};
adam@1392	3040 stm.tm_isdst = -1;
adamc@939	3041
adam@1365	3042 if (strptime(s, fmt, &stm) == end) {
adam@1365	3043 uw_Basis_time r = { mktime(&stm) };
adam@1365	3044 return r;
adam@1365	3045 } else
adam@1444	3046 uw_error(ctx, FATAL, "Can't parse time: %s", uw_Basis_htmlifyString(ctx, s));
adamc@939	3047 }
adamc@939	3048
adamc@742	3049 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742	3050 char *r = ctx->heap.front;
adamc@742	3051 uw_Basis_blob b = {len, r};
adamc@742	3052
adamc@742	3053 uw_check_heap(ctx, len);
adamc@742	3054
adam@1992	3055 if (s[0] == '\\' && s[1] == 'x') {
adam@1992	3056 s += 2;
adam@1992	3057
adam@1992	3058 while (*s) {
adam@1992	3059 int n;
adam@1992	3060 sscanf(s, "%02x", &n);
adam@1992	3061 *r++ = n;
adam@1992	3062 s += 2;
adam@1992	3063 }
adam@1992	3064 } else {
adam@1992	3065 while (*s) {
adam@1992	3066 if (s[0] == '\\') {
adam@1992	3067 if (s[1] == '\\') {
adam@1992	3068 *r++ = '\\';
adam@1992	3069 s += 2;
adam@1992	3070 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adam@1992	3071 r++ = (s[1] - '0') 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adam@1992	3072 s += 4;
adam@1992	3073 }
adam@1992	3074 else {
adam@1992	3075 *r++ = '\\';
adam@1992	3076 ++s;
adam@1992	3077 }
adam@1992	3078 } else {
adam@1992	3079 *r++ = s[0];
adamc@742	3080 ++s;
adamc@742	3081 }
adamc@742	3082 }
adamc@742	3083 }
adamc@742	3084
adamc@742	3085 b.size = r - ctx->heap.front;
adamc@742	3086 ctx->heap.front = r;
adam@1992	3087
adamc@742	3088 return b;
adamc@742	3089 }
adamc@742	3090
adam@1402	3091 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052	3092
adamc@463	3093 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463	3094 int len = strlen(c);
adamc@854	3095 char *p = ctx->outHeaders.start;
adamc@474	3096
adamc@1134	3097 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474	3098 char *p2;
adamc@474	3099 p += 13;
adamc@474	3100 p2 = strchr(p, '=');
adamc@474	3101
adamc@474	3102 if (p2) {
adamc@474	3103 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474	3104
adamc@474	3105 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052	3106 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052	3107 return NULL;
adamc@1052	3108 else {
adamc@1052	3109 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052	3110 memcpy(ret, p2+1, sz);
adamc@1052	3111 ret[sz] = 0;
adamc@1052	3112 return ret;
adamc@1052	3113 }
adamc@474	3114 }
adamc@474	3115 }
adamc@474	3116 }
adamc@463	3117
adamc@1134	3118 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051	3119 char *p2;
adamc@1051	3120
adamc@854	3121 while (1) {
adamc@1051	3122 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134	3123 if ((p2 = strchr(p, ';'))) {
adamc@1051	3124 size_t n = p2 - (p + len);
adamc@1051	3125 char *r = uw_malloc(ctx, n);
adamc@1051	3126 memcpy(r, p + 1 + len, n-1);
adamc@1051	3127 r[n-1] = 0;
adamc@1051	3128 return r;
adamc@1051	3129 } else
adamc@1051	3130 return p + 1 + len;
adamc@1134	3131 } else if ((p = strchr(p, ';')))
adamc@854	3132 p += 2;
adamc@463	3133 else
adamc@463	3134 return NULL;
adamc@463	3135 }
adamc@463	3136 }
adamc@792	3137
adamc@792	3138 return NULL;
adamc@457	3139 }
adamc@462	3140
adam@1877	3141 static void set_cookie(uw_context ctx) {
adam@1877	3142 if (ctx->usedSig)
adam@1877	3143 ctx->needsResig = 1;
adam@1877	3144 }
adam@1877	3145
adamc@1050	3146 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v, uw_Basis_time *expires, uw_Basis_bool secure) {
adamc@462	3147 uw_write_header(ctx, "Set-Cookie: ");
adamc@462	3148 uw_write_header(ctx, c);
adamc@462	3149 uw_write_header(ctx, "=");
adamc@462	3150 uw_write_header(ctx, v);
adamc@466	3151 uw_write_header(ctx, "; path=");
adamc@466	3152 uw_write_header(ctx, prefix);
adamc@1050	3153 if (expires) {
adamc@1050	3154 char formatted[30];
adam@1392	3155 struct tm tm = {};
adam@1392	3156 tm.tm_isdst = -1;
adamc@1050	3157
adam@1365	3158 gmtime_r(&expires->seconds, &tm);
adamc@1050	3159
adamc@1050	3160 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050	3161
adamc@1050	3162 uw_write_header(ctx, "; expires=");
adamc@1050	3163 uw_write_header(ctx, formatted);
adamc@1050	3164 }
adamc@1050	3165 if (secure)
adamc@1050	3166 uw_write_header(ctx, "; secure");
adamc@462	3167 uw_write_header(ctx, "\r\n");
adam@1877	3168 set_cookie(ctx);
adamc@462	3169
adamc@462	3170 return uw_unit_v;
adamc@462	3171 }
adamc@667	3172
adamc@1050	3173 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050	3174 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050	3175 uw_write_header(ctx, c);
adamc@1050	3176 uw_write_header(ctx, "=; path=");
adamc@1050	3177 uw_write_header(ctx, prefix);
adamc@1052	3178 uw_write_header(ctx, "; " THE_PAST "\r\n");
adam@1877	3179 set_cookie(ctx);
adamc@1050	3180
adamc@1050	3181 return uw_unit_v;
adamc@1050	3182 }
adamc@1050	3183
adamc@1113	3184 size_t uw_deltas_max = SIZE_MAX;
adamc@1113	3185
adamc@682	3186 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682	3187 unsigned i;
adamc@682	3188 delta *d;
adamc@671	3189
adamc@682	3190 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682	3191 if (ctx->deltas[i].client == client)
adamc@682	3192 return &ctx->deltas[i];
adamc@671	3193
adamc@682	3194 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113	3195 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113	3196 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113	3197
adamc@682	3198 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369	3199 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682	3200 }
adamc@671	3201
adamc@682	3202 d = &ctx->deltas[ctx->used_deltas++];
adamc@682	3203 d->client = client;
adam@1369	3204 uw_buffer_reset(&d->msgs);
adamc@682	3205 return d;
adamc@671	3206 }
adamc@671	3207
adamc@668	3208 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682	3209 if (ctx->client == NULL)
adamc@682	3210 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671	3211
adamc@682	3212 return new_channel(ctx->client);
adamc@668	3213 }
adamc@668	3214
adamc@668	3215 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682	3216 delta *d = allocate_delta(ctx, chn.cli);
adamc@682	3217 size_t len;
adamc@682	3218 int preLen;
adamc@682	3219 char pre[INTS_MAX + 2];
adamc@668	3220
adamc@682	3221 len = strlen(msg);
adamc@682	3222
adamc@682	3223 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682	3224
adam@1369	3225 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369	3226 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369	3227 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671	3228
adamc@671	3229 return uw_unit_v;
adamc@668	3230 }
adamc@671	3231
adam@1327	3232 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131	3233 int i;
adamc@1131	3234 cleanup *cl;
adamc@1131	3235
adamc@1131	3236 if (ctx->client)
adamc@1131	3237 release_client(ctx->client);
adamc@1131	3238
adamc@1131	3239 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131	3240 cl->func(cl->arg);
adamc@1131	3241
adamc@1131	3242 ctx->cleanup_front = ctx->cleanup;
adamc@1131	3243
adamc@1131	3244 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3245 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3246 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131	3247
adamc@1131	3248 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3249 if (ctx->transactionals[i].free)
adam@1327	3250 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131	3251
adam@1941	3252 if (ctx->app && ctx->transaction_started) {
adam@1941	3253 ctx->transaction_started = 0;
adam@1941	3254 return ctx->app->db_rollback(ctx);
adam@1941	3255 } else
adam@1941	3256 return 0;
adamc@1131	3257 }
adamc@1131	3258
adam@1956	3259 const char uw_begin_xhtml[] = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
adam@1956	3260 const char uw_begin_html5[] = "<!DOCTYPE html><html>";
adam@1728	3261
adam@1877	3262 extern int uw_hash_blocksize;
adam@1877	3263
adam@1877	3264 static const char sig_intro[] = "<input type=\"hidden\" name=\"Sig\" value=\"";
adam@1877	3265
adam@1877	3266 static char find_sig(char haystack) {
adam@1877	3267 int i;
adam@1877	3268 char *s = strstr(haystack, sig_intro);
adam@1877	3269
adam@1877	3270 if (!s \|\| strlen(haystack) - (s - haystack) - (sizeof sig_intro - 1) < uw_hash_blocksize*2+1)
adam@1877	3271 return NULL;
phurst@1981	3272
adam@1877	3273 s += sizeof sig_intro - 1;
adam@1877	3274
adam@1877	3275 for (i = 0; i < uw_hash_blocksize*2; ++i)
adam@1877	3276 if (!isxdigit((int)s[i]))
adam@1877	3277 return NULL;
adam@1877	3278
adam@1877	3279 if (s[i] != '"')
adam@1877	3280 return NULL;
adam@1877	3281
adam@1877	3282 return s;
adam@1877	3283 }
adam@1877	3284
adam@1938	3285 int uw_commit(uw_context ctx) {
adamc@1104	3286 int i;
adam@1877	3287 char *sig;
adamc@1104	3288
adamc@1131	3289 if (uw_has_error(ctx)) {
adam@1327	3290 uw_rollback(ctx, 0);
adam@1938	3291 return 0;
adamc@1131	3292 }
adamc@1131	3293
adamc@1104	3294 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3295 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3296 if (ctx->transactionals[i].commit) {
adamc@1083	3297 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3298 if (uw_has_error(ctx)) {
adam@1327	3299 uw_rollback(ctx, 0);
adam@1938	3300 return 0;
adamc@1131	3301 }
adamc@1131	3302 }
adamc@771	3303
adamc@1104	3304 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3305 if (ctx->transactionals[i].rollback == NULL)
adamc@1131	3306 if (ctx->transactionals[i].commit) {
adamc@1083	3307 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3308 if (uw_has_error(ctx)) {
adam@1327	3309 uw_rollback(ctx, 0);
adam@1938	3310 return 0;
adamc@1131	3311 }
adamc@1131	3312 }
adamc@1131	3313
adam@1938	3314 if (ctx->transaction_started) {
adam@1939	3315 int code = ctx->app->db_commit(ctx);
adam@1938	3316
adam@1938	3317 if (code) {
adam@1939	3318 if (code == -1)
adam@1938	3319 return 1;
adam@1938	3320
adam@1938	3321 for (i = ctx->used_transactionals-1; i >= 0; --i)
adam@1938	3322 if (ctx->transactionals[i].free)
adam@1938	3323 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adam@1938	3324
adam@1938	3325 uw_set_error_message(ctx, "Error running SQL COMMIT");
adam@1938	3326 return 0;
adam@1938	3327 }
adamc@1131	3328 }
adamc@682	3329
adamc@682	3330 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682	3331 delta *d = &ctx->deltas[i];
adamc@682	3332 client *c = find_client(d->client);
adamc@682	3333
adam@1551	3334 assert (c != NULL);
adam@1551	3335 assert(c->mode == USED);
adamc@682	3336
adam@1447	3337 client_send(c, &d->msgs, ctx->script.start, uw_buffer_used(&ctx->script));
adamc@682	3338 }
adamc@682	3339
adamc@682	3340 if (ctx->client)
adamc@685	3341 release_client(ctx->client);
adamc@771	3342
adamc@1104	3343 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083	3344 if (ctx->transactionals[i].free)
adam@1327	3345 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916	3346
vshabanoff@1726	3347 uw_check(ctx, 1);
vshabanoff@1726	3348 *ctx->page.front = 0;
adam@1413	3349
adam@1956	3350 if (!ctx->returning_indirectly
adam@1956	3351 && (ctx->app->is_html5
adam@1956	3352 ? !strncmp(ctx->page.start, uw_begin_html5, sizeof uw_begin_html5 - 1)
adam@1956	3353 : !strncmp(ctx->page.start, uw_begin_xhtml, sizeof uw_begin_xhtml - 1))) {
adam@1728	3354 char *s;
adam@1728	3355
adam@1728	3356 // Splice script data into appropriate part of page, also adding <head> if needed.
adam@1956	3357 s = ctx->page.start + (ctx->app->is_html5 ? sizeof uw_begin_html5 - 1 : sizeof uw_begin_xhtml - 1);
adam@1728	3358 s = strchr(s, '<');
adam@1728	3359 if (s == NULL) {
adam@1728	3360 // Weird. Document has no tags!
adam@1728	3361
adam@1728	3362 uw_write(ctx, "<head></head><body></body>");
adam@1728	3363 uw_check(ctx, 1);
adam@1728	3364 *ctx->page.front = 0;
adam@1728	3365 } else if (!strncmp(s, "<head>", 6)) {
adam@1728	3366 // <head> is present. Let's add the <script> tags immediately after it.
adam@1728	3367
adam@1729	3368 // Any freeform JavaScript to include?
adam@1729	3369 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729	3370 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729	3371 size_t lenP = lenH + 40 + len;
adam@1729	3372 char start = s + 6, oldPage = ctx->page.start;
adam@1729	3373
adam@1729	3374 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729	3375 start += ctx->page.start - oldPage;
adam@1729	3376 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729	3377 ctx->page.front += lenP;
adam@1729	3378 memcpy(start, ctx->script_header, lenH);
adam@1729	3379 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adam@1729	3380 memcpy(start + lenH + 31, ctx->script.start, len);
adam@1729	3381 memcpy(start + lenH + 31 + len, "</script>", 9);
adam@1729	3382 } else {
adam@1729	3383 size_t lenH = strlen(ctx->script_header);
adam@1729	3384 char start = s + 6, oldPage = ctx->page.start;
adam@1729	3385
adam@1729	3386 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenH);
adam@1729	3387 start += ctx->page.start - oldPage;
adam@1729	3388 memmove(start + lenH, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729	3389 ctx->page.front += lenH;
adam@1729	3390 memcpy(start, ctx->script_header, lenH);
adam@1729	3391 }
adam@1728	3392 } else {
adam@1728	3393 // No <head>. At this point, add it, with <script> tags inside.
adam@1728	3394
adam@1729	3395 if (uw_buffer_used(&ctx->script) > 0) {
adam@1729	3396 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adam@1729	3397 size_t lenP = lenH + 53 + len;
adam@1729	3398 char start = s, oldPage = ctx->page.start;
adam@1729	3399
adam@1729	3400 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729	3401 start += ctx->page.start - oldPage;
adam@1729	3402 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729	3403 ctx->page.front += lenP;
adam@1729	3404 memcpy(start, "<head>", 6);
adam@1729	3405 memcpy(start + 6, ctx->script_header, lenH);
adam@1729	3406 memcpy(start + 6 + lenH, "<script type=\"text/javascript\">", 31);
adam@1729	3407 memcpy(start + 6 + lenH + 31, ctx->script.start, len);
adam@1729	3408 memcpy(start + 6 + lenH + 31 + len, "</script></head>", 16);
adam@1729	3409 } else {
adam@1729	3410 size_t lenH = strlen(ctx->script_header);
adam@1729	3411 size_t lenP = lenH + 13;
adam@1729	3412 char start = s, oldPage = ctx->page.start;
adam@1729	3413
adam@1729	3414 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) + lenP);
adam@1729	3415 start += ctx->page.start - oldPage;
adam@1729	3416 memmove(start + lenP, start, uw_buffer_used(&ctx->page) - (start - ctx->page.start) + 1);
adam@1729	3417 ctx->page.front += lenP;
adam@1729	3418 memcpy(start, "<head>", 6);
adam@1729	3419 memcpy(start + 6, ctx->script_header, lenH);
adam@1729	3420 memcpy(start + 6 + lenH, "</head>", 7);
adam@1729	3421 }
adamc@916	3422 }
adamc@916	3423 }
adam@1877	3424
adam@1877	3425 if (ctx->needsResig) {
adam@1877	3426 sig = find_sig(ctx->page.start);
adam@1877	3427 if (sig) {
adam@1877	3428 char *realsig = ctx->app->cookie_sig(ctx);
adam@1877	3429
adam@1877	3430 do {
adam@1877	3431 memcpy(sig, realsig, 2*uw_hash_blocksize);
adam@1877	3432 sig = find_sig(sig);
adam@1877	3433 } while (sig);
adam@1877	3434 }
adam@1877	3435 }
adam@1938	3436
adam@1938	3437 return 0;
adamc@671	3438 }
adamc@671	3439
adamc@683	3440
adamc@1113	3441 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113	3442
adamc@771	3443 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327	3444 uw_callback_with_retry free) {
adamc@771	3445 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113	3446 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113	3447 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084	3448 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771	3449 ++ctx->n_transactionals;
adamc@771	3450 }
adamc@771	3451
adamc@771	3452 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771	3453 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771	3454 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771	3455 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771	3456 }
adamc@771	3457
adamc@683	3458
adamc@683	3459 // "Garbage collection"
adamc@683	3460
adamc@1121	3461 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121	3462 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121	3463
adamc@1121	3464 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683	3465 int r = setjmp(ctx->jmp_buf);
adamc@683	3466
adamc@1121	3467 if (r == 0)
adamc@1121	3468 uw_do_expunge(ctx, cli, data);
adamc@1121	3469 else
adamc@1121	3470 ctx->app->db_rollback(ctx);
adamc@1121	3471
adamc@1121	3472 uw_post_expunge(ctx, data);
adamc@683	3473
adamc@683	3474 return r;
adamc@683	3475 }
adamc@683	3476
adamc@683	3477 void uw_prune_clients(uw_context ctx) {
adamc@683	3478 client c, next, *prev = NULL;
adamc@683	3479 time_t cutoff;
adamc@683	3480
adamc@1094	3481 cutoff = time(NULL) - ctx->app->timeout;
adamc@683	3482
adamc@683	3483 pthread_mutex_lock(&clients_mutex);
adam@1707	3484 pruning_thread = pthread_self();
adam@1707	3485 pruning_thread_initialized = 1;
adamc@683	3486
adamc@683	3487 for (c = clients_used; c; c = next) {
adamc@683	3488 next = c->next;
adamc@683	3489 pthread_mutex_lock(&c->lock);
adamc@685	3490 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683	3491 failure_kind fk = UNLIMITED_RETRY;
adamc@683	3492 if (prev)
adamc@683	3493 prev->next = next;
adamc@683	3494 else
adamc@683	3495 clients_used = next;
adamc@683	3496 while (fk == UNLIMITED_RETRY) {
adam@1941	3497 uw_reset(ctx);
adamc@1121	3498 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121	3499 if (fk == UNLIMITED_RETRY)
adamc@684	3500 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683	3501 }
adamc@684	3502 if (fk == SUCCESS)
adamc@684	3503 free_client(c);
adamc@1121	3504 else
adamc@856	3505 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683	3506 }
adamc@683	3507 else
adamc@683	3508 prev = c;
adamc@683	3509 pthread_mutex_unlock(&c->lock);
adamc@683	3510 }
adamc@683	3511
adamc@683	3512 pthread_mutex_unlock(&clients_mutex);
adamc@683	3513 }
adamc@687	3514
adamc@687	3515 failure_kind uw_initialize(uw_context ctx) {
adamc@687	3516 int r = setjmp(ctx->jmp_buf);
adamc@687	3517
adamc@687	3518 if (r == 0) {
adam@1936	3519 uw_ensure_transaction(ctx);
adamc@1094	3520 ctx->app->initializer(ctx);
adamc@1094	3521 if (ctx->app->db_commit(ctx))
adamc@687	3522 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687	3523 }
adamc@687	3524
adamc@687	3525 return r;
adamc@687	3526 }
adamc@717	3527
adamc@1065	3528 static int url_bad(uw_Basis_string s) {
adamc@1065	3529 for (; *s; ++s)
adamc@1153	3530 if (!isgraph((int)*s))
adamc@1065	3531 return 1;
adamc@1065	3532
adamc@1065	3533 return 0;
adamc@1065	3534 }
adamc@1065	3535
adamc@717	3536 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065	3537 if (url_bad(s))
adamc@1065	3538 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094	3539 if (ctx->app->check_url(s))
adamc@770	3540 return s;
adamc@770	3541 else
adamc@770	3542 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717	3543 }
adamc@734	3544
adamc@770	3545 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065	3546 if (url_bad(s))
adamc@1065	3547 return NULL;
adamc@1094	3548 if (ctx->app->check_url(s))
adamc@770	3549 return s;
adamc@770	3550 else
adamc@770	3551 return NULL;
adamc@770	3552 }
adamc@770	3553
adam@1465	3554 static int mime_format(const char *s) {
adamc@770	3555 for (; *s; ++s)
adamc@1153	3556 if (!isalnum((int)s) && s != '/' && s != '-' && s != '.')
adamc@770	3557 return 0;
adamc@770	3558
adamc@770	3559 return 1;
adamc@770	3560 }
adamc@770	3561
adamc@741	3562 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3563 if (!mime_format(s))
adamc@770	3564 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770	3565
adamc@1094	3566 if (ctx->app->check_mime(s))
adamc@770	3567 return s;
adamc@770	3568 else
adamc@770	3569 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770	3570 }
adamc@770	3571
adamc@770	3572 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3573 if (!mime_format(s))
adamc@770	3574 return NULL;
adamc@770	3575
adamc@1094	3576 if (ctx->app->check_mime(s))
adamc@770	3577 return s;
adamc@770	3578 else
adamc@770	3579 return NULL;
adamc@741	3580 }
adamc@741	3581
adam@1465	3582 uw_Basis_string uw_Basis_blessRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465	3583 if (!mime_format(s))
adam@1465	3584 uw_error(ctx, FATAL, "Request header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465	3585
adam@1465	3586 if (ctx->app->check_requestHeader(s))
adam@1465	3587 return s;
adam@1465	3588 else
adam@1465	3589 uw_error(ctx, FATAL, "Disallowed request header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465	3590 }
adam@1465	3591
adam@1465	3592 uw_Basis_string uw_Basis_checkRequestHeader(uw_context ctx, uw_Basis_string s) {
adam@1465	3593 if (!mime_format(s))
adam@1465	3594 return NULL;
adam@1465	3595
adam@1465	3596 if (ctx->app->check_requestHeader(s))
adam@1465	3597 return s;
adam@1465	3598 else
adam@1465	3599 return NULL;
adam@1465	3600 }
adam@1465	3601
adam@1465	3602 uw_Basis_string uw_Basis_blessResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1465	3603 if (!mime_format(s))
adam@1465	3604 uw_error(ctx, FATAL, "Response header \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1465	3605
adam@1465	3606 if (ctx->app->check_responseHeader(s))
adam@1465	3607 return s;
adam@1465	3608 else
adam@1465	3609 uw_error(ctx, FATAL, "Disallowed response header %s", uw_Basis_htmlifyString(ctx, s));
adam@1465	3610 }
adam@1465	3611
adam@1799	3612 static int envVar_format(const char *s) {
adam@1799	3613 for (; *s; ++s)
adam@1799	3614 if (!isalnum((int)s) && s != '_' && *s != '.')
adam@1799	3615 return 0;
adam@1799	3616
adam@1799	3617 return 1;
adam@1799	3618 }
adam@1799	3619
adam@1465	3620 uw_Basis_string uw_Basis_checkResponseHeader(uw_context ctx, uw_Basis_string s) {
adam@1799	3621 if (!envVar_format(s))
adam@1465	3622 return NULL;
adam@1465	3623
adam@1465	3624 if (ctx->app->check_responseHeader(s))
adam@1465	3625 return s;
adam@1465	3626 else
adam@1465	3627 return NULL;
adam@1465	3628 }
adam@1465	3629
adam@1799	3630 uw_Basis_string uw_Basis_blessEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799	3631 if (!envVar_format(s))
adam@1799	3632 uw_error(ctx, FATAL, "Environment variable \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adam@1799	3633
adam@1799	3634 if (ctx->app->check_envVar(s))
adam@1799	3635 return s;
adam@1799	3636 else
adam@1799	3637 uw_error(ctx, FATAL, "Disallowed environment variable %s", uw_Basis_htmlifyString(ctx, s));
adam@1799	3638 }
adam@1799	3639
adam@1799	3640 uw_Basis_string uw_Basis_checkEnvVar(uw_context ctx, uw_Basis_string s) {
adam@1799	3641 if (!mime_format(s))
adam@1799	3642 return NULL;
adam@1799	3643
adam@1799	3644 if (ctx->app->check_envVar(s))
adam@1799	3645 return s;
adam@1799	3646 else
adam@1799	3647 return NULL;
adam@1799	3648 }
adam@1799	3649
adam@1465	3650 uw_Basis_string uw_Basis_getHeader(uw_context ctx, uw_Basis_string name) {
adam@1465	3651 return uw_Basis_requestHeader(ctx, name);
adam@1465	3652 }
adam@1465	3653
adam@1465	3654 static int mime_value_format(const char *s) {
adam@1465	3655 for (; *s; ++s)
adam@1465	3656 if (s == '\r' \|\| s == '\n')
adam@1465	3657 return 0;
adam@1465	3658
adam@1465	3659 return 1;
adam@1465	3660 }
adam@1465	3661
adam@1465	3662 uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string value) {
adam@1465	3663 if (!mime_value_format(value))
adam@1465	3664 uw_error(ctx, FATAL, "Invalid value for HTTP response header");
adam@1465	3665
adam@1465	3666 uw_write_header(ctx, name);
adam@1465	3667 uw_write_header(ctx, ": ");
adam@1465	3668 uw_write_header(ctx, value);
adam@1465	3669 uw_write_header(ctx, "\r\n");
adam@1465	3670
adam@1465	3671 return uw_unit_v;
adam@1465	3672 }
adam@1465	3673
adam@1799	3674 uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
adam@1993	3675 if (ctx->get_env)
adam@1993	3676 return ctx->get_env(ctx->get_env_data, name);
adam@1993	3677 else
adam@1994	3678 return getenv(name);
adam@1799	3679 }
adam@1799	3680
adamc@734	3681 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734	3682 return s ? s : "";
adamc@734	3683 }
adamc@734	3684
adamc@734	3685 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734	3686 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734	3687 int i;
phurst@1981	3688
adamc@734	3689 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734	3690 sprintf(&r[2i], "%.02X", ((unsigned char )sig)[i]);
adamc@734	3691
adamc@734	3692 return r;
adamc@734	3693 }
adamc@734	3694
adam@1512	3695 /* This bit of crafty code is intended to prevent GCC from performing
adam@1512	3696 * optimizations that would enable timing attacks. See:
adam@1512	3697 * http://www.impredicative.com/pipermail/ur/2011-July/000659.html
adam@1512	3698 */
adam@1512	3699 int uw_streq(uw_Basis_string s1, uw_Basis_string s2) {
adam@1512	3700 int i, x = 0, len1 = strlen(s1);
adam@1512	3701
adam@1512	3702 if (len1 != strlen(s2)) return 0;
adam@1512	3703
adam@1512	3704 for (i = 0; i < len1; ++i) {
adam@1512	3705 __asm__ __volatile__ ("");
adam@1512	3706 x \|= s1[i] ^ s2[i];
adam@1512	3707 }
adam@1512	3708
adam@1512	3709 return x == 0;
adam@1512	3710 }
adam@1512	3711
adamc@734	3712 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adam@1877	3713 ctx->usedSig = 1;
adamc@1094	3714 return ctx->app->cookie_sig(ctx);
adamc@734	3715 }
adamc@737	3716
adamc@737	3717 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737	3718 return f.name;
adamc@737	3719 }
adamc@737	3720
adamc@740	3721 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740	3722 return f.type;
adamc@740	3723 }
adamc@740	3724
adamc@745	3725 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745	3726 return b.size;
adamc@745	3727 }
adamc@745	3728
adamc@1119	3729 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119	3730 uw_Basis_blob b = {strlen(s), s};
adamc@1119	3731
adamc@1119	3732 return b;
adamc@1119	3733 }
adamc@1119	3734
adamc@737	3735 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737	3736 return f.data;
adamc@737	3737 }
adamc@741	3738
adam@1347	3739 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3740 return pb.type;
adam@1347	3741 }
adam@1347	3742
adam@1347	3743 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3744 return pb.data;
adam@1347	3745 }
adam@1347	3746
adam@1471	3747 static char *old_headers(uw_context ctx) {
adam@1471	3748 if (uw_buffer_used(&ctx->outHeaders) == 0)
adam@1471	3749 return NULL;
adam@1471	3750 else {
adam@1471	3751 char *s = strchr(ctx->outHeaders.start, '\n');
adam@1471	3752
adam@1471	3753 if (s == NULL \|\| strncasecmp(s+1, "Content-type: ", 14))
adam@1471	3754 return NULL;
adam@1471	3755 else {
adam@1471	3756 s = strchr(s+15, '\n');
adam@1471	3757 if (s == NULL)
adam@1471	3758 return NULL;
adam@1471	3759 else
adam@1471	3760 return uw_strdup(ctx, s+1);
adam@1471	3761 }
adam@1471	3762 }
adam@1471	3763 }
adam@1471	3764
adamc@741	3765 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741	3766 cleanup *cl;
adamc@741	3767 int len;
adam@1471	3768 char *oldh;
adamc@741	3769
adam@1451	3770 if (!ctx->allowed_to_return_indirectly)
adam@1451	3771 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1451	3772
adamc@1065	3773 ctx->returning_indirectly = 1;
adam@1471	3774 oldh = old_headers(ctx);
adam@1369	3775 uw_buffer_reset(&ctx->outHeaders);
adam@1369	3776 uw_buffer_reset(&ctx->page);
adamc@741	3777
adamc@856	3778 uw_write_header(ctx, on_success);
adamc@856	3779 uw_write_header(ctx, "Content-Type: ");
adamc@741	3780 uw_write_header(ctx, mimeType);
adam@1934	3781 uw_write_header(ctx, "\r\nContent-length: ");
adam@1369	3782 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134	3783 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741	3784 ctx->outHeaders.front += len;
adamc@1066	3785 uw_write_header(ctx, "\r\n");
adam@1471	3786 if (oldh) uw_write_header(ctx, oldh);
adamc@741	3787
adam@1369	3788 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741	3789
adamc@741	3790 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741	3791 cl->func(cl->arg);
adamc@741	3792
adamc@741	3793 ctx->cleanup_front = ctx->cleanup;
adamc@741	3794
adamc@1065	3795 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065	3796 }
adamc@1065	3797
adam@1932	3798 __attribute__((noreturn)) void uw_return_blob_from_page(uw_context ctx, uw_Basis_string mimeType) {
adam@1932	3799 cleanup *cl;
adam@1932	3800 int len;
adam@1932	3801 char *oldh;
adam@1932	3802
adam@1932	3803 if (!ctx->allowed_to_return_indirectly)
adam@1932	3804 uw_error(ctx, FATAL, "Tried to return a blob from an RPC");
adam@1932	3805
adam@1932	3806 ctx->returning_indirectly = 1;
adam@1932	3807 oldh = old_headers(ctx);
adam@1932	3808 uw_buffer_reset(&ctx->outHeaders);
adam@1932	3809
adam@1932	3810 uw_write_header(ctx, on_success);
adam@1932	3811 uw_write_header(ctx, "Content-Type: ");
adam@1932	3812 uw_write_header(ctx, mimeType);
adam@1934	3813 uw_write_header(ctx, "\r\nContent-length: ");
adam@1932	3814 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adam@1932	3815 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)uw_buffer_used(&ctx->page), &len);
adam@1932	3816 ctx->outHeaders.front += len;
adam@1932	3817 uw_write_header(ctx, "\r\n");
adam@1932	3818 if (oldh) uw_write_header(ctx, oldh);
adam@1932	3819
adam@1932	3820 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adam@1932	3821 cl->func(cl->arg);
adam@1932	3822
adam@1932	3823 ctx->cleanup_front = ctx->cleanup;
adam@1932	3824
adam@1932	3825 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adam@1932	3826 }
adam@1932	3827
adamc@1065	3828 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065	3829 cleanup *cl;
adamc@1066	3830 char *s;
adam@1471	3831 char *oldh;
adamc@1065	3832
adam@1451	3833 if (!ctx->allowed_to_return_indirectly)
adam@1451	3834 uw_error(ctx, FATAL, "Tried to redirect from an RPC");
adam@1451	3835
adamc@1065	3836 ctx->returning_indirectly = 1;
adam@1471	3837 oldh = old_headers(ctx);
adam@1369	3838 uw_buffer_reset(&ctx->page);
adam@1369	3839 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369	3840 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369	3841 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369	3842 uw_buffer_reset(&ctx->outHeaders);
adamc@1065	3843
adam@1409	3844 if (on_success[0])
adam@1409	3845 uw_write_header(ctx, on_redirect);
adam@1409	3846 else
adam@1409	3847 uw_write_header(ctx, "Status: 303 See Other\r\n");
adam@1409	3848 s = on_success[0] ? strchr(ctx->page.start, '\n') : ctx->page.start;
adamc@1066	3849 if (s) {
adamc@1066	3850 char *s2;
adam@1409	3851 if (s[0] == '\n') ++s;
adam@1409	3852 for (; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066	3853 *s2 = 0;
adamc@1066	3854 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066	3855 uw_write_header(ctx, s);
adamc@1066	3856 uw_write_header(ctx, "\n");
adamc@1066	3857 }
adamc@1066	3858 }
adamc@1066	3859 }
adamc@1066	3860
adamc@1065	3861 uw_write_header(ctx, "Location: ");
adamc@1065	3862 uw_write_header(ctx, url);
adamc@1065	3863 uw_write_header(ctx, "\r\n\r\n");
adam@1471	3864 if (oldh) uw_write_header(ctx, oldh);
adamc@1065	3865
adamc@1065	3866 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065	3867 cl->func(cl->arg);
adamc@1065	3868
adamc@1065	3869 ctx->cleanup_front = ctx->cleanup;
adamc@1065	3870
adamc@1065	3871 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741	3872 }
adamc@874	3873
adamc@874	3874 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adam@1467	3875 uw_Basis_string ret = uw_malloc(ctx, strlen(s) + 1), r = ret;
adamc@874	3876
adamc@874	3877 for (; *s; ++s) {
adamc@874	3878 if (s[0] == '\'') {
adamc@874	3879 *r++ = '\'';
adamc@874	3880 for (++s; *s; ++s) {
adamc@874	3881 if (s[0] == '\'') {
adamc@874	3882 *r++ = '\'';
adamc@874	3883 break;
adamc@874	3884 } else if (s[0] == '\\') {
adam@1467	3885 *r++ = '\\';
adam@1467	3886 *r++ = s[1];
adam@1467	3887 ++s;
adamc@874	3888 } else
adamc@874	3889 *r++ = s[0];
adamc@874	3890 }
adamc@874	3891 if (*s == 0) break;
adam@1467	3892 } else if (s[0] == 'T' && s[1] == '_' && s[2] == 'T' && s[3] == '.')
adam@1467	3893 s += 3;
adamc@874	3894 else
adamc@874	3895 *r++ = s[0];
adamc@874	3896 }
adamc@874	3897
adam@1467	3898 *r = 0;
adam@1467	3899 return ret;
adamc@874	3900 }
adamc@874	3901
adamc@922	3902 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922	3903 va_list ap;
adamc@922	3904 size_t len = 1;
adamc@922	3905 char s, r, *s2;
phurst@1981	3906
adamc@922	3907 va_start(ap, ctx);
adamc@922	3908 for (s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3909 len += strlen(s);
adamc@922	3910 va_end(ap);
adamc@922	3911
adamc@922	3912 r = uw_malloc(ctx, len);
adamc@922	3913 va_start(ap, ctx);
adamc@922	3914 for (s2 = r, s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3915 while (*s)
adamc@922	3916 s2++ = s++;
adamc@922	3917 va_end(ap);
adamc@922	3918 *s2 = 0;
adamc@922	3919
adamc@922	3920 return r;
adamc@922	3921 }
adamc@1006	3922
adam@1365	3923 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050	3924
adamc@1006	3925 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365	3926 uw_Basis_time r = { time(NULL) };
adam@1365	3927 return r;
adamc@1006	3928 }
adamc@1061	3929
adam@1369	3930 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369	3931 tm.seconds += n;
adam@1365	3932 return tm;
adamc@1138	3933 }
adamc@1138	3934
adam@1514	3935 uw_Basis_int uw_Basis_diffInSeconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1514	3936 return difftime(tm2.seconds, tm1.seconds);
adam@1514	3937 }
adam@1514	3938
adam@1685	3939 uw_Basis_int uw_Basis_toMilliseconds(uw_context ctx, uw_Basis_time tm) {
adam@1685	3940 return tm.seconds * 1000 + tm.microseconds / 1000;
adam@1685	3941 }
adam@1685	3942
adam@1685	3943 uw_Basis_int uw_Basis_diffInMilliseconds(uw_context ctx, uw_Basis_time tm1, uw_Basis_time tm2) {
adam@1685	3944 return uw_Basis_toMilliseconds(ctx, tm2) - uw_Basis_toMilliseconds(ctx, tm1);
adam@1685	3945 }
adam@1685	3946
adam@1514	3947 uw_Basis_int uw_Basis_toSeconds(uw_context ctx, uw_Basis_time tm) {
adam@1514	3948 return tm.seconds;
adam@1514	3949 }
adam@1514	3950
phurst@1971	3951 uw_Basis_time uw_Basis_fromDatetime(uw_context ctx, uw_Basis_int year, uw_Basis_int month, uw_Basis_int day, uw_Basis_int hour, uw_Basis_int minute, uw_Basis_int second) {
phurst@1971	3952 struct tm tm = { .tm_year = year - 1900, .tm_mon = month, .tm_mday = day,
phurst@1971	3953 .tm_hour = hour, .tm_min = minute, .tm_sec = second };
phurst@1984	3954 uw_Basis_time r = { timelocal(&tm) };
phurst@1971	3955 return r;
phurst@1971	3956 }
phurst@1971	3957
phurst@1971	3958 uw_Basis_int uw_Basis_datetimeYear(uw_context ctx, uw_Basis_time time) {
phurst@1971	3959 struct tm tm;
phurst@1982	3960 localtime_r(&time.seconds, &tm);
phurst@1971	3961 return tm.tm_year + 1900;
phurst@1971	3962 }
phurst@1971	3963
phurst@1971	3964 uw_Basis_int uw_Basis_datetimeMonth(uw_context ctx, uw_Basis_time time) {
phurst@1971	3965 struct tm tm;
phurst@1982	3966 localtime_r(&time.seconds, &tm);
phurst@1971	3967 return tm.tm_mon;
phurst@1971	3968 }
phurst@1971	3969
phurst@1971	3970 uw_Basis_int uw_Basis_datetimeDay(uw_context ctx, uw_Basis_time time) {
phurst@1971	3971 struct tm tm;
phurst@1982	3972 localtime_r(&time.seconds, &tm);
phurst@1971	3973 return tm.tm_mday;
phurst@1971	3974 }
phurst@1971	3975
phurst@1971	3976 uw_Basis_int uw_Basis_datetimeHour(uw_context ctx, uw_Basis_time time) {
phurst@1971	3977 struct tm tm;
phurst@1982	3978 localtime_r(&time.seconds, &tm);
phurst@1971	3979 return tm.tm_hour;
phurst@1971	3980 }
phurst@1971	3981
phurst@1971	3982 uw_Basis_int uw_Basis_datetimeMinute(uw_context ctx, uw_Basis_time time) {
phurst@1971	3983 struct tm tm;
phurst@1982	3984 localtime_r(&time.seconds, &tm);
phurst@1971	3985 return tm.tm_min;
phurst@1971	3986 }
phurst@1971	3987
phurst@1971	3988 uw_Basis_int uw_Basis_datetimeSecond(uw_context ctx, uw_Basis_time time) {
phurst@1971	3989 struct tm tm;
phurst@1982	3990 localtime_r(&time.seconds, &tm);
phurst@1971	3991 return tm.tm_sec;
phurst@1971	3992 }
phurst@1971	3993
phurst@1973	3994 uw_Basis_int uw_Basis_datetimeDayOfWeek(uw_context ctx, uw_Basis_time time) {
phurst@1973	3995 struct tm tm;
phurst@1982	3996 localtime_r(&time.seconds, &tm);
phurst@1973	3997 return tm.tm_wday;
phurst@1973	3998 }
phurst@1971	3999
phurst@1971	4000
adamc@1061	4001 void uw_get_global(uw_context ctx, char name) {
adamc@1061	4002 int i;
adamc@1061	4003
adamc@1061	4004 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	4005 if (!strcmp(name, ctx->globals[i].name))
adamc@1061	4006 return ctx->globals[i].data;
adamc@1061	4007
adamc@1061	4008 return NULL;
adamc@1061	4009 }
adamc@1061	4010
adamc@1113	4011 size_t uw_globals_max = SIZE_MAX;
adamc@1113	4012
adamc@1061	4013 void uw_set_global(uw_context ctx, char name, void data, void (free)(void)) {
adamc@1061	4014 int i;
adamc@1061	4015
adamc@1061	4016 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	4017 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089	4018 if (ctx->globals[i].free)
adamc@1061	4019 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061	4020 ctx->globals[i].data = data;
adamc@1061	4021 ctx->globals[i].free = free;
adamc@1061	4022 return;
adamc@1061	4023 }
adamc@1089	4024
adamc@1113	4025 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113	4026 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113	4027
adamc@1061	4028 ++ctx->n_globals;
adamc@1061	4029 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061	4030 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061	4031 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061	4032 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061	4033 }
adamc@1061	4034
adamc@1061	4035 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153	4036 return !!isalnum((int)c);
adamc@1061	4037 }
adamc@1061	4038
adamc@1061	4039 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153	4040 return !!isalpha((int)c);
adamc@1061	4041 }
adamc@1061	4042
adamc@1061	4043 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153	4044 return !!isblank((int)c);
adamc@1061	4045 }
adamc@1061	4046
adamc@1061	4047 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153	4048 return !!iscntrl((int)c);
adamc@1061	4049 }
adamc@1061	4050
adamc@1061	4051 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	4052 return !!isdigit((int)c);
adamc@1061	4053 }
adamc@1061	4054
adamc@1061	4055 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153	4056 return !!isgraph((int)c);
adamc@1061	4057 }
adamc@1061	4058
adamc@1061	4059 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153	4060 return !!islower((int)c);
adamc@1061	4061 }
adamc@1061	4062
adamc@1061	4063 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153	4064 return !!isprint((int)c);
adamc@1061	4065 }
adamc@1061	4066
adamc@1061	4067 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153	4068 return !!ispunct((int)c);
adamc@1061	4069 }
adamc@1061	4070
adamc@1061	4071 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153	4072 return !!isspace((int)c);
adamc@1061	4073 }
adamc@1063	4074
adamc@1061	4075 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	4076 return !!isupper((int)c);
adamc@1061	4077 }
adamc@1061	4078
adamc@1061	4079 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	4080 return !!isxdigit((int)c);
adamc@1061	4081 }
adamc@1061	4082
adamc@1061	4083 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153	4084 return tolower((int)c);
adamc@1061	4085 }
adamc@1061	4086
adamc@1061	4087 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	4088 return toupper((int)c);
adamc@1061	4089 }
adamc@1066	4090
adamc@1128	4091 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128	4092 return (unsigned char)c;
adamc@1128	4093 }
adamc@1128	4094
adamc@1128	4095 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128	4096 return n;
adamc@1128	4097 }
adamc@1128	4098
adamc@1066	4099 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066	4100 return ctx->current_url;
adamc@1066	4101 }
adamc@1066	4102
adamc@1066	4103 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066	4104 ctx->current_url = s;
adamc@1066	4105 }
adamc@1114	4106
adamc@1114	4107 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114	4108 ctx->deadline = n;
adamc@1114	4109 }
adamc@1114	4110
adamc@1114	4111 void uw_check_deadline(uw_context ctx) {
adamc@1114	4112 if (uw_time > ctx->deadline)
adamc@1114	4113 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114	4114 }
adamc@1115	4115
adamc@1115	4116 size_t uw_database_max = SIZE_MAX;
adamc@1120	4117
adam@1389	4118 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389	4119 fprintf(stderr, "%s\n", s);
adam@1389	4120 return 0;
adam@1389	4121 }
adam@1389	4122
adamc@1120	4123 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
grrwlf@1997	4124 if (ctx->loggers->log_debug)
grrwlf@1997	4125 ctx->loggers->log_debug(ctx->loggers->logger_data, "%s\n", s);
adam@1334	4126 else
adam@1334	4127 fprintf(stderr, "%s\n", s);
adamc@1120	4128 return uw_unit_v;
adamc@1120	4129 }
adamc@1250	4130
adam@1933	4131 static pthread_mutex_t rand_mutex = PTHREAD_MUTEX_INITIALIZER;
adam@1933	4132
adamc@1250	4133 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adam@1486	4134 uw_Basis_int ret;
adam@1933	4135 pthread_mutex_lock(&rand_mutex);
adam@1486	4136 int r = RAND_bytes((unsigned char *)&ret, sizeof ret);
adam@1933	4137 pthread_mutex_unlock(&rand_mutex);
phurst@1981	4138
adam@1486	4139 if (r)
adam@1486	4140 return abs(ret);
adam@1486	4141 else
adam@1486	4142 uw_error(ctx, FATAL, "Random number generation failed");
adamc@1250	4143 }
adam@1347	4144
adam@1347	4145 void uw_noPostBody(uw_context ctx) {
adam@1347	4146 ctx->hasPostBody = 0;
adam@1347	4147 }
adam@1347	4148
adam@1347	4149 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	4150 ctx->hasPostBody = 1;
adam@1347	4151 ctx->postBody = pb;
adam@1347	4152 }
adam@1347	4153
adam@1347	4154 int uw_hasPostBody(uw_context ctx) {
adam@1347	4155 return ctx->hasPostBody;
adam@1347	4156 }
adam@1347	4157
adam@1386	4158 void uw_isPost(uw_context ctx) {
adam@1386	4159 ctx->isPost = 1;
adam@1386	4160 }
adam@1386	4161
adam@1386	4162 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386	4163 return ctx->isPost;
adam@1386	4164 }
adam@1386	4165
adam@1485	4166 uw_Basis_bool uw_Basis_currentUrlHasQueryString(uw_context ctx) {
adam@1485	4167 return ctx->queryString != NULL && ctx->queryString[0] != 0;
adam@1485	4168 }
adam@1485	4169
adam@1370	4170 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370	4171 ctx->queryString = s;
adam@1370	4172 }
adam@1370	4173
adam@1370	4174 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370	4175 return ctx->queryString;
adam@1370	4176 }
adam@1370	4177
adam@1347	4178 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347	4179 if (ctx->hasPostBody)
adam@1347	4180 return ctx->postBody;
adam@1347	4181 else
adam@1347	4182 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347	4183 }
adam@1349	4184
adam@1349	4185 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349	4186 int r = setjmp(ctx->jmp_buf);
adam@1349	4187
adam@1349	4188 if (r == 0) {
adam@1936	4189 uw_ensure_transaction(ctx);
adam@1418	4190
adam@1349	4191 callback(ctx);
adam@1349	4192 }
adam@1349	4193
adam@1349	4194 return r;
adam@1349	4195 }
adam@1360	4196
adam@1360	4197 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397	4198 char buf[14];
adam@1397	4199 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360	4200 }
adam@1365	4201
adam@1365	4202 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	4203 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365	4204 }
adam@1365	4205
adam@1365	4206 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	4207 return !!(t1.seconds < t2.seconds \|\| t1.microseconds < t2.microseconds);
adam@1365	4208 }
adam@1365	4209
adam@1365	4210 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	4211 return !!(uw_Basis_eq_time(ctx, t1, t2) \|\| uw_Basis_lt_time(ctx, t1, t2));
adam@1365	4212 }
adam@1365	4213
adam@1372	4214 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374	4215 struct tm stm = {};
adam@1375	4216 char *end = strchr(s, 0);
adam@1449	4217 stm.tm_isdst = -1;
adam@1375	4218
adam@1632	4219 if (strptime(s, TIME_FMT_PG, &stm) == end \|\| strptime(s, TIME_FMT, &stm) == end \|\| strptime(s, TIME_FMT_JS, &stm) == end) {
adam@1373	4220 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375	4221
kkallio@1448	4222 r->seconds = timegm(&stm);
adam@1373	4223 r->microseconds = 0;
adam@1373	4224
adam@1373	4225 return r;
adam@1374	4226 }
adam@1374	4227 else
adam@1373	4228 return NULL;
adam@1372	4229 }
adam@1407	4230
adam@1407	4231 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407	4232 int r = setjmp(ctx->jmp_buf);
adam@1407	4233
adam@1407	4234 if (ctx->app->on_error) {
adam@1407	4235 if (r == 0) {
adam@1936	4236 uw_ensure_transaction(ctx);
adam@1407	4237
adam@1409	4238 uw_buffer_reset(&ctx->outHeaders);
adam@1409	4239 if (on_success[0])
adam@1409	4240 uw_write_header(ctx, "HTTP/1.1 ");
adam@1409	4241 else
adam@1409	4242 uw_write_header(ctx, "Status: ");
adam@1409	4243 uw_write_header(ctx, "500 Internal Server Error\r\n");
adam@1919	4244 uw_write_header(ctx, "Content-type: text/html\r\n");
adam@1956	4245 uw_write(ctx, ctx->app->is_html5 ? uw_begin_html5 : uw_begin_xhtml);
adam@1407	4246 ctx->app->on_error(ctx, msg);
adam@1407	4247 uw_write(ctx, "</html>");
adam@1407	4248 }
adam@1407	4249
adam@1407	4250 return r;
adam@1407	4251 } else
adam@1407	4252 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407	4253 }
adam@1451	4254
adam@1451	4255 void uw_mayReturnIndirectly(uw_context ctx) {
adam@1451	4256 ctx->allowed_to_return_indirectly = 1;
adam@1451	4257 }
adam@1483	4258
adam@1556	4259 uw_Basis_string uw_Basis_fresh(uw_context ctx) {
adam@1703	4260 int len;
adam@1703	4261 char *r;
adam@1703	4262
adam@1703	4263 uw_check_heap(ctx, 2+INTS_MAX);
adam@1703	4264 r = ctx->heap.front;
adam@1703	4265 sprintf(r, "uw%u%n", ctx->nextId++, &len);
adam@1703	4266 ctx->heap.front += len+1;
adam@1703	4267 return r;
adam@1556	4268 }
adam@1571	4269
adam@1571	4270 uw_Basis_float uw_Basis_floatFromInt(uw_context ctx, uw_Basis_int n) {
adam@1571	4271 return n;
adam@1571	4272 }
adam@1571	4273
adam@1571	4274 uw_Basis_int uw_Basis_ceil(uw_context ctx, uw_Basis_float n) {
adam@1571	4275 return ceil(n);
adam@1571	4276 }
adam@1571	4277
adam@1571	4278 uw_Basis_int uw_Basis_trunc(uw_context ctx, uw_Basis_float n) {
adam@1571	4279 return trunc(n);
adam@1571	4280 }
adam@1571	4281
adam@1571	4282 uw_Basis_int uw_Basis_round(uw_context ctx, uw_Basis_float n) {
adam@1571	4283 return round(n);
adam@1571	4284 }
adam@1755	4285
adam@1755	4286 uw_Basis_string uw_Basis_atom(uw_context ctx, uw_Basis_string s) {
adam@1755	4287 char *p;
adam@1755	4288
adam@1755	4289 for (p = s; *p; ++p) {
adam@1755	4290 char c = *p;
adam@1801	4291 if (!isalnum((int)c) && c != '+' && c != '-' && c != '.' && c != '%' && c != '#')
adam@1755	4292 uw_error(ctx, FATAL, "Disallowed character in CSS atom");
adam@1755	4293 }
adam@1755	4294
adam@1755	4295 return s;
adam@1755	4296 }
adam@1755	4297
adam@1755	4298 uw_Basis_string uw_Basis_css_url(uw_context ctx, uw_Basis_string s) {
adam@1755	4299 char *p;
adam@1755	4300
adam@1755	4301 for (p = s; *p; ++p) {
adam@1755	4302 char c = *p;
adam@1801	4303 if (!isalnum((int)c) && c != ':' && c != '/' && c != '.' && c != '_' && c != '+'
adam@1755	4304 && c != '-' && c != '%' && c != '?' && c != '&' && c != '=' && c != '#')
adam@1755	4305 uw_error(ctx, FATAL, "Disallowed character in CSS URL");
adam@1755	4306 }
adam@1755	4307
adam@1755	4308 return s;
adam@1755	4309 }
adam@1755	4310
adam@1755	4311 uw_Basis_string uw_Basis_property(uw_context ctx, uw_Basis_string s) {
adam@1755	4312 char *p;
adam@1755	4313
adam@1755	4314 if (!*s)
adam@1755	4315 uw_error(ctx, FATAL, "Empty CSS property");
adam@1755	4316
adam@1801	4317 if (!islower((int)s[0]) && s[0] != '_')
adam@1755	4318 uw_error(ctx, FATAL, "Bad initial character in CSS property");
adam@1755	4319
adam@1755	4320 for (p = s; *p; ++p) {
adam@1755	4321 char c = *p;
adam@1801	4322 if (!islower((int)c) && !isdigit((int)c) && c != '_' && c != '-')
adam@1755	4323 uw_error(ctx, FATAL, "Disallowed character in CSS property");
adam@1755	4324 }
adam@1755	4325
adam@1755	4326 return s;
adam@1755	4327 }
adam@1787	4328
adam@1787	4329 uw_Basis_string uw_Basis_fieldName(uw_context ctx, uw_Basis_postField f) {
adam@1787	4330 return f.name;
adam@1787	4331 }
adam@1787	4332
adam@1787	4333 uw_Basis_string uw_Basis_fieldValue(uw_context ctx, uw_Basis_postField f) {
adam@1787	4334 return f.value;
adam@1787	4335 }
adam@1787	4336
adam@1787	4337 uw_Basis_string uw_Basis_remainingFields(uw_context ctx, uw_Basis_postField f) {
adam@1787	4338 return f.remaining;
adam@1787	4339 }
adam@1787	4340
adam@1787	4341 uw_Basis_postField *uw_Basis_firstFormField(uw_context ctx, uw_Basis_string s) {
adam@1788	4342 char *unurl;
adam@1787	4343 uw_Basis_postField *f;
adam@1787	4344
adam@1788	4345 if (!ctx->hasPostBody)
adam@1788	4346 uw_error(ctx, FATAL, "firstFormField called when there is no POST body");
adam@1788	4347
adam@1788	4348 if (s < ctx->postBody.data \|\| s >= ctx->postBody.data + ctx->postBody.len)
adam@1787	4349 return NULL;
adam@1787	4350
adam@1787	4351 f = uw_malloc(ctx, sizeof(uw_Basis_postField));
adam@1788	4352 unurl = s;
adam@1787	4353 f->name = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788	4354 s = strchr(s, 0);
adam@1788	4355 if (!s)
adam@1788	4356 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788	4357 ++s;
adam@1788	4358 unurl = s;
adam@1788	4359 f->value = uw_Basis_unurlifyString(ctx, &unurl);
adam@1788	4360 s = strchr(s, 0);
adam@1788	4361 if (!s)
adam@1788	4362 uw_error(ctx, FATAL, "firstFormField: Missing null terminator");
adam@1788	4363 f->remaining = s+1;
adam@1787	4364
adam@1787	4365 return f;
adam@1787	4366 }

Mercurial > urweb

annotate src/c/urweb.c @ 1997:c93fbd139732