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

annotate src/c/urweb.c @ 1446:36f7d1debb37

Each context gets its own non-repeating sequence of source numbers

author	Adam Chlipala <adam@chlipala.net>
date	Sat, 09 Apr 2011 14:36:47 -0400
parents	0fc7b676b88b
children	17393c5e2b90

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

Mercurial > urweb

annotate src/c/urweb.c @ 1446:36f7d1debb37