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

annotate src/c/urweb.c @ 1375:f294173d87db

Don't forget to call tzset()

author	Adam Chlipala <adam@chlipala.net>
date	Wed, 29 Dec 2010 16:16:25 -0500
parents	8cdd25f9cfd0
children	a8ba2952b210

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@1360	16 #include <crypt.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
adamc@311	23 uw_unit uw_unit_v = {};
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";
adamc@1065	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;
adamc@1094	402
adamc@854	403 char (get_header)(void , const char );
adamc@854	404 void *get_header_data;
adamc@457	405
adam@1369	406 uw_buffer outHeaders, page, heap, script;
adamc@1065	407 int returning_indirectly;
adamc@759	408 input inputs, subinputs, *cur_container;
adamc@1094	409 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167	410
adamc@565	411 int source_count;
adamc@562	412
adamc@272	413 void *db;
adamc@272	414
adamc@167	415 jmp_buf jmp_buf;
adamc@167	416
adamc@323	417 regions *regions;
adamc@323	418
adamc@425	419 cleanup cleanup, cleanup_front, *cleanup_back;
adamc@425	420
adamc@1094	421 const char *script_header;
adamc@643	422
adamc@736	423 int needs_push, needs_sig;
adamc@693	424
adamc@682	425 size_t n_deltas, used_deltas;
adamc@682	426 delta *deltas;
adamc@671	427
adamc@682	428 client *client;
adamc@682	429
adamc@771	430 transactional *transactionals;
adamc@771	431 size_t n_transactionals, used_transactionals;
adamc@771	432
adamc@1061	433 global *globals;
adamc@1061	434 size_t n_globals;
adamc@1061	435
adamc@1066	436 char *current_url;
adamc@1066	437
adamc@1114	438 int deadline;
adamc@1114	439
adamc@1121	440 void *client_data;
adamc@1121	441
adam@1334	442 void *logger_data;
adam@1334	443 uw_logger log_debug;
adam@1334	444
adam@1347	445 int hasPostBody;
adam@1347	446 uw_Basis_postBody postBody;
adam@1370	447 uw_Basis_string queryString;
adam@1347	448
adamc@167	449 char error_message[ERROR_BUF_LEN];
adamc@117	450 };
adamc@117	451
adamc@1113	452 size_t uw_headers_max = SIZE_MAX;
adamc@1113	453 size_t uw_page_max = SIZE_MAX;
adamc@1113	454 size_t uw_heap_max = SIZE_MAX;
adamc@1113	455 size_t uw_script_max = SIZE_MAX;
adamc@1113	456
adam@1334	457 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311	458 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136	459
adamc@1094	460 ctx->app = NULL;
adamc@1094	461
adamc@854	462 ctx->get_header = NULL;
adamc@854	463 ctx->get_header_data = NULL;
adamc@457	464
adam@1369	465 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 0);
adam@1369	466 uw_buffer_init(uw_page_max, &ctx->page, 0);
adamc@1065	467 ctx->returning_indirectly = 0;
adam@1369	468 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369	469 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667	470 ctx->script.start[0] = 0;
adamc@136	471
adamc@1094	472 ctx->inputs = malloc(0);
adamc@759	473 ctx->cur_container = NULL;
adamc@756	474 ctx->subinputs = malloc(0);
adamc@1094	475 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144	476
adamc@272	477 ctx->db = NULL;
adamc@272	478
adamc@323	479 ctx->regions = NULL;
adamc@323	480
adamc@425	481 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425	482
adamc@643	483 ctx->script_header = "";
adamc@693	484 ctx->needs_push = 0;
adamc@736	485 ctx->needs_sig = 0;
adamc@1104	486
adamc@565	487 ctx->source_count = 0;
adamc@562	488
adamc@682	489 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671	490 ctx->deltas = malloc(0);
adamc@671	491
adamc@700	492 ctx->client = NULL;
adamc@700	493
adamc@700	494 ctx->error_message[0] = 0;
adamc@700	495
adamc@771	496 ctx->transactionals = malloc(0);
adamc@771	497 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771	498
adamc@1061	499 ctx->globals = malloc(0);
adamc@1061	500 ctx->n_globals = 0;
adamc@1061	501
adamc@1066	502 ctx->current_url = "";
adamc@1066	503
adamc@1114	504 ctx->deadline = INT_MAX;
adamc@1114	505
adamc@1121	506 ctx->client_data = uw_init_client_data();
adamc@1121	507
adam@1334	508 ctx->logger_data = logger_data;
adam@1334	509 ctx->log_debug = log_debug;
adam@1334	510
adam@1347	511 ctx->hasPostBody = 0;
adam@1347	512
adam@1370	513 ctx->queryString = NULL;
adam@1370	514
adamc@117	515 return ctx;
adamc@106	516 }
adamc@106	517
adamc@1113	518 size_t uw_inputs_max = SIZE_MAX;
adamc@1113	519
adamc@1121	520 uw_app *uw_get_app(uw_context ctx) {
adamc@1121	521 return ctx->app;
adamc@1121	522 }
adamc@1121	523
adamc@1113	524 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094	525 ctx->app = app;
adamc@1094	526
adamc@1105	527 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113	528 if (app->inputs_len > uw_inputs_max)
adamc@1113	529 return 1;
adamc@1113	530
adamc@1094	531 ctx->sz_inputs = app->inputs_len;
adamc@1094	532 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094	533 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094	534 }
adamc@1134	535
adamc@1134	536 return 0;
adamc@1094	537 }
adamc@1094	538
adamc@1121	539 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121	540 uw_copy_client_data(ctx->client_data, data);
adamc@1121	541 }
adamc@1121	542
adamc@311	543 void uw_set_db(uw_context ctx, void *db) {
adamc@272	544 ctx->db = db;
adamc@272	545 }
adamc@272	546
adamc@311	547 void *uw_get_db(uw_context ctx) {
adamc@272	548 return ctx->db;
adamc@272	549 }
adamc@272	550
adamc@311	551 void uw_free(uw_context ctx) {
adamc@671	552 size_t i;
adamc@671	553
adam@1369	554 uw_buffer_free(&ctx->outHeaders);
adam@1369	555 uw_buffer_free(&ctx->script);
adam@1369	556 uw_buffer_free(&ctx->page);
adam@1369	557 uw_buffer_free(&ctx->heap);
adamc@144	558 free(ctx->inputs);
adamc@756	559 free(ctx->subinputs);
adamc@425	560 free(ctx->cleanup);
adamc@771	561 free(ctx->transactionals);
adamc@1121	562 uw_free_client_data(ctx->client_data);
adamc@671	563
adamc@682	564 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369	565 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330	566 free(ctx->deltas);
adamc@671	567
adamc@1061	568 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089	569 if (ctx->globals[i].free)
adamc@1089	570 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330	571 free(ctx->globals);
adamc@1061	572
adamc@136	573 free(ctx);
adamc@136	574 }
adamc@136	575
adamc@562	576 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369	577 uw_buffer_reset(&ctx->outHeaders);
adam@1369	578 uw_buffer_reset(&ctx->script);
adamc@667	579 ctx->script.start[0] = 0;
adam@1369	580 uw_buffer_reset(&ctx->page);
adamc@1065	581 ctx->returning_indirectly = 0;
adam@1369	582 uw_buffer_reset(&ctx->heap);
adamc@323	583 ctx->regions = NULL;
adamc@425	584 ctx->cleanup_front = ctx->cleanup;
adamc@565	585 ctx->source_count = 0;
adamc@682	586 ctx->used_deltas = 0;
adamc@682	587 ctx->client = NULL;
adamc@759	588 ctx->cur_container = NULL;
adamc@771	589 ctx->used_transactionals = 0;
adamc@1117	590 ctx->script_header = "";
adam@1347	591 ctx->hasPostBody = 0;
adam@1370	592 ctx->queryString = NULL;
adamc@167	593 }
adamc@167	594
adamc@562	595 void uw_reset_keep_request(uw_context ctx) {
adamc@562	596 uw_reset_keep_error_message(ctx);
adamc@562	597 ctx->error_message[0] = 0;
adamc@167	598 }
adamc@167	599
adamc@311	600 void uw_reset(uw_context ctx) {
adamc@311	601 uw_reset_keep_request(ctx);
adamc@1105	602 if (ctx->app)
adamc@1105	603 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756	604 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756	605 ctx->used_subinputs = 0;
adamc@144	606 }
adamc@144	607
adamc@311	608 failure_kind uw_begin_init(uw_context ctx) {
adamc@272	609 int r = setjmp(ctx->jmp_buf);
adamc@272	610
adamc@1105	611 if (r == 0 && ctx->app)
adamc@1094	612 ctx->app->db_init(ctx);
adamc@272	613
adamc@272	614 return r;
adamc@272	615 }
adamc@272	616
adamc@1118	617 void uw_close(uw_context ctx) {
adamc@1118	618 ctx->app->db_close(ctx);
adamc@1118	619 }
adamc@1118	620
adamc@854	621 void uw_set_headers(uw_context ctx, char (get_header)(void , const char ), void *get_header_data) {
adamc@854	622 ctx->get_header = get_header;
adamc@854	623 ctx->get_header_data = get_header_data;
adamc@742	624 }
adamc@742	625
adamc@801	626 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801	627 va_list ap;
adamc@801	628 va_start(ap, fmt);
adamc@801	629
adamc@801	630 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801	631 }
adamc@801	632
adamc@1131	633 int uw_has_error(uw_context ctx) {
adamc@1131	634 return ctx->error_message[0] != 0;
adamc@1131	635 }
adamc@1131	636
adamc@311	637 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425	638 cleanup *cl;
adamc@425	639
adamc@167	640 va_list ap;
adamc@167	641 va_start(ap, fmt);
adamc@167	642
adamc@167	643 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167	644
adamc@425	645 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425	646 cl->func(cl->arg);
adamc@425	647
adamc@425	648 ctx->cleanup_front = ctx->cleanup;
adamc@425	649
adamc@190	650 longjmp(ctx->jmp_buf, fk);
adamc@167	651 }
adamc@167	652
adamc@1113	653 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113	654
adamc@425	655 void uw_push_cleanup(uw_context ctx, void (func)(void ), void *arg) {
adamc@425	656 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425	657 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425	658 if (len == 0)
adamc@425	659 newLen = 1;
adamc@425	660 else
adamc@428	661 newLen = len * 2;
adamc@1113	662
adamc@1134	663 if (newLen > uw_cleanup_max) {
adamc@1113	664 if (len+1 <= uw_cleanup_max)
adamc@1113	665 newLen = uw_cleanup_max;
adamc@1113	666 else
adamc@1113	667 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134	668 }
adamc@1113	669
adamc@470	670 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425	671 ctx->cleanup_front = ctx->cleanup + len;
adamc@425	672 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425	673 }
adamc@425	674
adamc@425	675 ctx->cleanup_front->func = func;
adamc@425	676 ctx->cleanup_front->arg = arg;
adamc@425	677 ++ctx->cleanup_front;
adamc@425	678 }
adamc@425	679
adamc@682	680 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854	681 return ctx->get_header(ctx->get_header_data, h);
adamc@682	682 }
adamc@682	683
adamc@682	684 void uw_login(uw_context ctx) {
adamc@693	685 if (ctx->needs_push) {
adamc@682	686 char id_s, pass_s;
adamc@682	687
adamc@682	688 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682	689 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682	690 unsigned id = atoi(id_s);
adamc@682	691 int pass = atoi(pass_s);
adamc@682	692 client *c = find_client(id);
adamc@682	693
adamc@682	694 if (c == NULL)
adamc@682	695 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682	696 else {
adamc@685	697 use_client(c);
adamc@682	698 ctx->client = c;
adamc@682	699
adamc@682	700 if (c->mode != USED)
adamc@682	701 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682	702 if (c->pass != pass)
adamc@682	703 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682	704 }
adamc@682	705 } else {
adamc@682	706 client *c = new_client();
adamc@1113	707
adamc@1113	708 if (c == NULL)
adamc@1113	709 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113	710
adamc@685	711 use_client(c);
adamc@1121	712 uw_copy_client_data(c->data, ctx->client_data);
adamc@682	713 ctx->client = c;
adamc@864	714 }
adamc@682	715 }
adamc@682	716 }
adamc@682	717
adamc@671	718 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671	719 int r = setjmp(ctx->jmp_buf);
adamc@671	720
adamc@671	721 if (r == 0) {
adamc@1094	722 if (ctx->app->db_begin(ctx))
adamc@671	723 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682	724
adamc@1094	725 ctx->app->handle(ctx, path);
adamc@671	726 }
adamc@671	727
adamc@671	728 return r;
adamc@671	729 }
adamc@671	730
adam@1294	731 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1294	732 int r = setjmp(ctx->jmp_buf);
adam@1294	733
adam@1294	734 if (ctx->app->on_error) {
adam@1294	735 if (r == 0) {
adam@1294	736 if (ctx->app->db_begin(ctx))
adam@1294	737 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1294	738
adam@1294	739 ctx->app->on_error(ctx, msg);
adam@1294	740 }
adam@1294	741
adam@1294	742 return r;
adam@1294	743 } else
adam@1294	744 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1294	745 }
adam@1294	746
adamc@772	747 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682	748 if (ctx->client == NULL)
adamc@682	749 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682	750
adamc@682	751 return ctx->client->id;
adamc@682	752 }
adamc@682	753
adamc@425	754 void uw_pop_cleanup(uw_context ctx) {
adamc@425	755 if (ctx->cleanup_front == ctx->cleanup)
adamc@425	756 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425	757
adamc@425	758 --ctx->cleanup_front;
adamc@425	759 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425	760 }
adamc@425	761
adamc@311	762 char *uw_error_message(uw_context ctx) {
adamc@167	763 return ctx->error_message;
adamc@167	764 }
adamc@167	765
adamc@1115	766 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115	767 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115	768 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115	769 }
adamc@1115	770
adamc@759	771 static input *INP(uw_context ctx) {
adamc@759	772 if (ctx->cur_container == NULL)
adamc@759	773 return ctx->inputs;
adamc@759	774 else if (ctx->cur_container->kind == SUBFORM)
adamc@759	775 return ctx->cur_container->data.subform.fields;
adamc@759	776 else if (ctx->cur_container->kind == ENTRY)
adamc@759	777 return ctx->cur_container->data.entry.fields;
adamc@759	778 else
adamc@760	779 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759	780 }
adamc@759	781
adamc@760	782 static void adjust_pointer(input *ptr, input old_start, input *new_start, size_t len) {
adamc@760	783 if (ptr != NULL && ptr >= old_start && *ptr < old_start + len)
adamc@760	784 *ptr += new_start - old_start;
adamc@760	785 }
adamc@760	786
adamc@760	787 static void adjust_input(input x, input old_start, input *new_start, size_t len) {
adamc@759	788 switch (x->kind) {
adamc@759	789 case SUBFORM:
adamc@760	790 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760	791 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759	792 break;
adamc@759	793 case SUBFORMS:
adamc@760	794 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760	795 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759	796 break;
adamc@759	797 case ENTRY:
adamc@760	798 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760	799 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760	800 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134	801 break;
adamc@1134	802 default:
adamc@1134	803 break;
adamc@759	804 }
adamc@759	805 }
adamc@759	806
adamc@1113	807 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113	808
adamc@759	809 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759	810 size_t i;
adamc@759	811 input *r;
adamc@759	812
adamc@759	813 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113	814 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113	815 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113	816
adamc@759	817 input new_subinputs = realloc(ctx->subinputs, sizeof(input) (ctx->used_subinputs + len));
adamc@759	818
adamc@760	819 if (ctx->subinputs != new_subinputs) {
adamc@760	820 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760	821 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094	822 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760	823 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	824
adamc@760	825 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	826
adamc@760	827 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760	828 ctx->subinputs = new_subinputs;
adamc@760	829 }
adamc@759	830 }
adamc@759	831
adamc@759	832 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759	833
adamc@759	834 for (i = 0; i < len; ++i)
adamc@759	835 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759	836
adamc@759	837 return r;
adamc@759	838 }
adamc@756	839
adamc@801	840 int uw_set_input(uw_context ctx, const char name, char value) {
adamc@1050	841 //printf("Input name %s\n", name);
adamc@1038	842
adamc@756	843 if (!strcasecmp(name, ".b")) {
adamc@1094	844 int n = ctx->app->input_num(value);
adamc@756	845 input *inps;
adamc@756	846
adamc@801	847 if (n < 0) {
adamc@801	848 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801	849 return -1;
adamc@801	850 }
adamc@801	851
adamc@1094	852 if (n >= ctx->app->inputs_len) {
adamc@801	853 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801	854 return -1;
adamc@801	855 }
adamc@756	856
adamc@1094	857 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759	858
adamc@759	859 INP(ctx)[n].kind = SUBFORM;
adamc@759	860 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759	861 INP(ctx)[n].data.subform.fields = inps;
adamc@759	862 ctx->cur_container = &INP(ctx)[n];
adamc@756	863 } else if (!strcasecmp(name, ".e")) {
adamc@756	864 input *tmp;
adamc@756	865
adamc@801	866 if (ctx->cur_container == NULL) {
adamc@801	867 uw_set_error(ctx, "Unmatched subform closer");
adamc@801	868 return -1;
adamc@801	869 }
adamc@756	870
adamc@759	871 tmp = ctx->cur_container;
adamc@759	872 switch (tmp->kind) {
adamc@759	873 case SUBFORM:
adamc@759	874 ctx->cur_container = tmp->data.subform.parent;
adamc@759	875 tmp->data.subform.parent = NULL;
adamc@759	876 break;
adamc@759	877 case SUBFORMS:
adamc@759	878 ctx->cur_container = tmp->data.subforms.parent;
adamc@759	879 tmp->data.subforms.parent = NULL;
adamc@759	880 break;
adamc@759	881 case ENTRY:
adamc@759	882 ctx->cur_container = tmp->data.entry.parent;
adamc@759	883 break;
adamc@759	884 default:
adamc@801	885 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801	886 return -1;
adamc@759	887 }
adamc@759	888 } else if (!strcasecmp(name, ".s")) {
adamc@1094	889 int n = ctx->app->input_num(value);
adamc@759	890
adamc@801	891 if (n < 0) {
adamc@801	892 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801	893 return -1;
adamc@801	894 }
adamc@801	895
adamc@1094	896 if (n >= ctx->app->inputs_len) {
adamc@801	897 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801	898 return -1;
adamc@801	899 }
adamc@759	900
adamc@759	901 INP(ctx)[n].kind = SUBFORMS;
adamc@759	902 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	903 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759	904 ctx->cur_container = &INP(ctx)[n];
adamc@759	905 } else if (!strcasecmp(name, ".i")) {
adamc@759	906 input *inps;
adamc@759	907
adamc@801	908 if (!ctx->cur_container) {
adamc@801	909 uw_set_error(ctx, "New entry without container");
adamc@801	910 return -1;
adamc@801	911 }
adamc@801	912
adamc@801	913 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801	914 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801	915 return -1;
adamc@801	916 }
adamc@759	917
adamc@1094	918 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759	919
adamc@759	920 inps->kind = ENTRY;
adamc@759	921 inps->data.entry.parent = ctx->cur_container;
adamc@759	922 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759	923 ctx->cur_container->data.subforms.entries = inps;
adamc@759	924
adamc@759	925 inps->data.entry.fields = inps+1;
adamc@759	926 ctx->cur_container = inps;
adamc@756	927 } else {
adamc@1094	928 int n = ctx->app->input_num(name);
adamc@756	929
adamc@801	930 if (n < 0) {
adamc@1038	931 if (!strcmp(name, "null"))
adamc@1038	932 return 0;
adamc@801	933 uw_set_error(ctx, "Bad input name %s", name);
adamc@801	934 return -1;
adamc@801	935 }
adamc@801	936
adamc@1094	937 if (n >= ctx->app->inputs_len) {
adamc@801	938 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801	939 return -1;
adamc@801	940 }
adamc@756	941
adamc@756	942 INP(ctx)[n].kind = NORMAL;
adamc@756	943 INP(ctx)[n].data.normal = value;
adamc@756	944 }
adamc@801	945
adamc@801	946 return 0;
adamc@144	947 }
adamc@144	948
adamc@311	949 char *uw_get_input(uw_context ctx, int n) {
adamc@169	950 if (n < 0)
adamc@311	951 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	952 if (n >= ctx->app->inputs_len)
adamc@311	953 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	954
adamc@756	955 switch (INP(ctx)[n].kind) {
adamc@737	956 case UNSET:
adamc@737	957 return NULL;
adamc@739	958 case FIL:
adamc@739	959 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	960 case SUBFORM:
adamc@756	961 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	962 case SUBFORMS:
adamc@759	963 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	964 case ENTRY:
adamc@759	965 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	966 case NORMAL:
adamc@756	967 return INP(ctx)[n].data.normal;
adamc@737	968 default:
adamc@737	969 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	970 }
adamc@138	971 }
adamc@138	972
adamc@311	973 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190	974 if (n < 0)
adamc@311	975 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	976 if (n >= ctx->app->inputs_len)
adamc@311	977 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	978
adamc@756	979 switch (INP(ctx)[n].kind) {
adamc@737	980 case UNSET:
adamc@737	981 return "";
adamc@739	982 case FIL:
adamc@739	983 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	984 case SUBFORM:
adamc@756	985 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	986 case SUBFORMS:
adamc@759	987 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	988 case ENTRY:
adamc@759	989 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	990 case NORMAL:
adamc@756	991 return INP(ctx)[n].data.normal;
adamc@737	992 default:
adamc@737	993 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	994 }
adamc@737	995 }
adamc@737	996
adamc@801	997 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094	998 int n = ctx->app->input_num(name);
adamc@737	999
adamc@801	1000 if (n < 0) {
adamc@801	1001 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801	1002 return -1;
adamc@801	1003 }
adamc@801	1004
adamc@1094	1005 if (n >= ctx->app->inputs_len) {
adamc@801	1006 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801	1007 return -1;
adamc@801	1008 }
adamc@737	1009
adamc@739	1010 ctx->inputs[n].kind = FIL;
adamc@739	1011 ctx->inputs[n].data.file = f;
adamc@801	1012
adamc@801	1013 return 0;
adamc@737	1014 }
adamc@737	1015
adamc@739	1016 void *uw_malloc(uw_context ctx, size_t len);
adamc@739	1017
adamc@739	1018 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737	1019 if (n < 0)
adamc@737	1020 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094	1021 if (n >= ctx->app->inputs_len)
adamc@737	1022 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737	1023
adamc@756	1024 switch (INP(ctx)[n].kind) {
adamc@737	1025 case UNSET:
adamc@737	1026 {
adamc@739	1027 char *data = uw_malloc(ctx, 0);
adamc@740	1028 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739	1029 return f;
adamc@737	1030 }
adamc@739	1031 case FIL:
adamc@756	1032 return INP(ctx)[n].data.file;
adamc@737	1033 case NORMAL:
adamc@737	1034 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756	1035 case SUBFORM:
adamc@756	1036 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759	1037 case SUBFORMS:
adamc@759	1038 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759	1039 case ENTRY:
adamc@759	1040 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737	1041 default:
adamc@737	1042 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1043 }
adamc@190	1044 }
adamc@190	1045
adamc@756	1046 void uw_enter_subform(uw_context ctx, int n) {
adamc@756	1047 if (n < 0)
adamc@756	1048 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094	1049 if (n >= ctx->app->inputs_len)
adamc@756	1050 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756	1051
adamc@756	1052 switch (INP(ctx)[n].kind) {
adamc@756	1053 case UNSET:
adamc@756	1054 uw_error(ctx, FATAL, "Missing subform");
adamc@756	1055 case FIL:
adamc@756	1056 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756	1057 case NORMAL:
adamc@756	1058 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759	1059 case SUBFORMS:
adamc@759	1060 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759	1061 case ENTRY:
adamc@759	1062 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756	1063 case SUBFORM:
adamc@759	1064 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760	1065 ctx->cur_container = &INP(ctx)[n];
adamc@756	1066 return;
adamc@756	1067 default:
adamc@756	1068 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756	1069 }
adamc@756	1070 }
adamc@756	1071
adamc@756	1072 void uw_leave_subform(uw_context ctx) {
adamc@756	1073 input *tmp;
adamc@756	1074
adamc@759	1075 if (ctx->cur_container == NULL)
adamc@756	1076 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756	1077
adamc@759	1078 tmp = ctx->cur_container;
adamc@759	1079 ctx->cur_container = tmp->data.subform.parent;
adamc@759	1080 tmp->data.subform.parent = NULL;
adamc@759	1081 }
adamc@759	1082
adamc@759	1083 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759	1084 input *inps;
adamc@759	1085
adamc@759	1086 if (n < 0)
adamc@759	1087 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094	1088 if (n >= ctx->app->inputs_len)
adamc@759	1089 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759	1090
adamc@759	1091 switch (INP(ctx)[n].kind) {
adamc@759	1092 case UNSET:
adamc@759	1093 uw_error(ctx, FATAL, "Missing subforms");
adamc@759	1094 case FIL:
adamc@759	1095 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759	1096 case NORMAL:
adamc@759	1097 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759	1098 case SUBFORM:
adamc@759	1099 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759	1100 case ENTRY:
adamc@759	1101 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759	1102 case SUBFORMS:
adamc@759	1103 inps = INP(ctx)[n].data.subforms.entries;
adamc@759	1104 if (inps) {
adamc@759	1105 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	1106 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759	1107 return 1;
adamc@759	1108 } else
adamc@759	1109 return 0;
adamc@759	1110 default:
adamc@759	1111 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1112 }
adamc@759	1113 }
adamc@759	1114
adamc@759	1115 int uw_next_entry(uw_context ctx) {
adamc@759	1116 if (ctx->cur_container == NULL)
adamc@759	1117 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759	1118
adamc@759	1119 switch (ctx->cur_container->kind) {
adamc@759	1120 case UNSET:
adamc@759	1121 uw_error(ctx, FATAL, "Missing entry");
adamc@759	1122 case FIL:
adamc@759	1123 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759	1124 case NORMAL:
adamc@759	1125 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759	1126 case SUBFORM:
adamc@759	1127 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759	1128 case SUBFORMS:
adamc@759	1129 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759	1130 case ENTRY:
adamc@759	1131 if (ctx->cur_container->data.entry.next) {
adamc@759	1132 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759	1133 return 1;
adamc@759	1134 } else {
adamc@759	1135 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759	1136 return 0;
adamc@759	1137 }
adamc@759	1138 default:
adamc@759	1139 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1140 }
adamc@756	1141 }
adamc@756	1142
adamc@643	1143 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643	1144 ctx->script_header = s;
adamc@643	1145 }
adamc@643	1146
adamc@1094	1147 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094	1148 return ctx->app->url_prefix;
adamc@667	1149 }
adamc@667	1150
adamc@693	1151 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693	1152 ctx->needs_push = n;
adamc@693	1153 }
adamc@693	1154
adamc@736	1155 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736	1156 ctx->needs_sig = n;
adamc@736	1157 }
adamc@736	1158
adamc@667	1159
adam@1369	1160 static void uw_buffer_check_ctx(uw_context ctx, const char kind, uw_buffer b, size_t extra, const char *desc) {
adamc@666	1161 if (b->back - b->front < extra) {
adamc@666	1162 size_t desired = b->front - b->start + extra, next;
adamc@136	1163 char *new_heap;
adamc@136	1164
adamc@666	1165 next = b->back - b->start;
adamc@317	1166 if (next == 0)
adamc@317	1167 next = 1;
adamc@317	1168 for (; next < desired; next *= 2);
adamc@136	1169
adamc@1134	1170 if (next > b->max) {
adamc@1113	1171 if (desired <= b->max)
adamc@1113	1172 next = desired;
adamc@1113	1173 else
adamc@1113	1174 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134	1175 }
adamc@1113	1176
adamc@666	1177 new_heap = realloc(b->start, next);
adamc@666	1178 b->front = new_heap + (b->front - b->start);
adamc@666	1179 b->back = new_heap + next;
adamc@136	1180
adamc@667	1181 if (new_heap != b->start) {
adamc@666	1182 b->start = new_heap;
adamc@666	1183 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136	1184 }
adamc@136	1185
adamc@666	1186 b->start = new_heap;
adamc@136	1187 }
adamc@136	1188 }
adamc@136	1189
adamc@832	1190 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369	1191 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666	1192 }
adamc@666	1193
adamc@832	1194 char *uw_heap_front(uw_context ctx) {
adamc@832	1195 return ctx->heap.front;
adamc@832	1196 }
adamc@832	1197
adamc@832	1198 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832	1199 ctx->heap.front = fr;
adamc@832	1200 }
adamc@832	1201
adamc@311	1202 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136	1203 void *result;
adamc@136	1204
adamc@311	1205 uw_check_heap(ctx, len);
adamc@136	1206
adamc@666	1207 result = ctx->heap.front;
adamc@666	1208 ctx->heap.front += len;
adamc@136	1209 return result;
adamc@117	1210 }
adamc@117	1211
adamc@323	1212 void uw_begin_region(uw_context ctx) {
adamc@666	1213 regions r = (regions ) ctx->heap.front;
adamc@323	1214
adamc@323	1215 uw_check_heap(ctx, sizeof(regions));
adamc@323	1216
adamc@666	1217 ctx->heap.front += sizeof(regions);
adamc@323	1218
adamc@323	1219 r->next = ctx->regions;
adamc@323	1220 ctx->regions = r;
adamc@323	1221 }
adamc@323	1222
adamc@323	1223 void uw_end_region(uw_context ctx) {
adamc@323	1224 regions *r = ctx->regions;
adamc@323	1225
adamc@323	1226 if (r == NULL)
adamc@323	1227 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323	1228
adamc@666	1229 ctx->heap.front = (char *) r;
adamc@323	1230 ctx->regions = r->next;
adamc@323	1231 }
adamc@323	1232
adamc@324	1233 void uw_memstats(uw_context ctx) {
adam@1369	1234 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369	1235 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369	1236 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369	1237 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324	1238 }
adamc@324	1239
adamc@311	1240 int uw_send(uw_context ctx, int sock) {
adamc@666	1241 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462	1242
adamc@462	1243 if (n < 0)
adamc@462	1244 return n;
adamc@462	1245
adamc@462	1246 n = uw_really_send(sock, "\r\n", 2);
adamc@462	1247
adamc@462	1248 if (n < 0)
adamc@462	1249 return n;
adamc@462	1250
adamc@666	1251 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462	1252 }
adamc@462	1253
adamc@856	1254 int uw_print(uw_context ctx, int fd) {
adamc@856	1255 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856	1256
adamc@856	1257 if (n < 0)
adamc@856	1258 return n;
adamc@856	1259
adamc@856	1260 n = uw_really_write(fd, "\r\n", 2);
adamc@856	1261
adamc@856	1262 if (n < 0)
adamc@856	1263 return n;
adamc@856	1264
adamc@856	1265 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856	1266 }
adamc@856	1267
adamc@860	1268 int uw_output(uw_context ctx, int (output)(void data, char buf, size_t len), void data) {
adamc@860	1269 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860	1270
adamc@860	1271 if (n < 0)
adamc@860	1272 return n;
adamc@860	1273
adamc@860	1274 n = output(data, "\r\n", 2);
adamc@860	1275
adamc@860	1276 if (n < 0)
adamc@860	1277 return n;
adamc@860	1278
adamc@860	1279 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860	1280 }
adamc@860	1281
adamc@462	1282 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369	1283 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462	1284 }
adamc@462	1285
adamc@462	1286 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462	1287 int len = strlen(s);
adamc@462	1288
adamc@462	1289 uw_check_headers(ctx, len + 1);
adamc@666	1290 strcpy(ctx->outHeaders.front, s);
adamc@666	1291 ctx->outHeaders.front += len;
adamc@562	1292 }
adamc@562	1293
adamc@1110	1294 void uw_clear_headers(uw_context ctx) {
adam@1369	1295 uw_buffer_reset(&ctx->outHeaders);
adamc@1110	1296 }
adamc@1110	1297
adamc@562	1298 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369	1299 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562	1300 }
adamc@562	1301
adamc@562	1302 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562	1303 int len = strlen(s);
adamc@562	1304
adamc@562	1305 uw_check_script(ctx, len + 1);
adamc@666	1306 strcpy(ctx->script.front, s);
adamc@666	1307 ctx->script.front += len;
adamc@562	1308 }
adamc@562	1309
adamc@645	1310 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916	1311 return "<sc>";
adamc@565	1312 }
adamc@565	1313
adamc@695	1314 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695	1315 if (s[0] == 0)
adamc@695	1316 return "";
adamc@695	1317 else {
adamc@695	1318 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695	1319 sprintf(r, " onload='%s'", s);
adamc@695	1320 return r;
adamc@695	1321 }
adamc@695	1322 }
adamc@695	1323
adamc@1042	1324 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042	1325 if (ctx->script_header[0] == 0)
adamc@1042	1326 return "";
adamc@1042	1327 else {
adamc@1042	1328 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042	1329 sprintf(r, " onunload='unload();%s'", s);
adamc@1042	1330 return r;
adamc@1042	1331 }
adamc@1042	1332 }
adamc@1042	1333
adamc@694	1334 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736	1335 if (ctx->client == NULL) {
adamc@736	1336 if (ctx->needs_sig) {
adamc@1094	1337 char *sig = ctx->app->cookie_sig(ctx);
adamc@736	1338 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736	1339 sprintf(r, "sig=\"%s\";", sig);
adamc@736	1340 return r;
adamc@736	1341 }
adamc@736	1342 else
adamc@736	1343 return "";
adamc@736	1344 } else {
adamc@1094	1345 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094	1346 char r = uw_malloc(ctx, 59 + 3 INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736	1347 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736	1348 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682	1349 ctx->client->id,
adamc@682	1350 ctx->client->pass,
adamc@1094	1351 ctx->app->url_prefix,
adamc@1094	1352 ctx->app->timeout,
adamc@736	1353 ctx->needs_sig ? "sig=\"" : "",
adamc@736	1354 sig,
adamc@736	1355 ctx->needs_sig ? "\";" : "");
adamc@679	1356 return r;
adamc@668	1357 }
adamc@667	1358 }
adamc@667	1359
adamc@574	1360 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574	1361 char r, s2;
adamc@574	1362
adamc@574	1363 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574	1364
adamc@666	1365 r = s2 = ctx->heap.front;
adamc@574	1366 *s2++ = '"';
adamc@574	1367
adamc@574	1368 for (; *s; s++) {
adam@1286	1369 unsigned char c = *s;
adamc@574	1370
adamc@574	1371 switch (c) {
adamc@574	1372 case '"':
adamc@574	1373 strcpy(s2, "\\\"");
adamc@574	1374 s2 += 2;
adamc@574	1375 break;
adamc@1027	1376 case '\'':
adamc@1027	1377 strcpy(s2, "\\047");
adamc@1027	1378 s2 += 4;
adamc@1027	1379 break;
adamc@574	1380 case '\\':
adamc@574	1381 strcpy(s2, "\\\\");
adamc@574	1382 s2 += 2;
adamc@574	1383 break;
adamc@574	1384 default:
adam@1286	1385 if (isprint((int)c) \|\| c >= 128)
adamc@574	1386 *s2++ = c;
adamc@574	1387 else {
adamc@574	1388 sprintf(s2, "\\%3o", c);
adamc@574	1389 s2 += 4;
adamc@574	1390 }
adamc@574	1391 }
adamc@574	1392 }
adamc@574	1393
adamc@574	1394 strcpy(s2, "\"");
adamc@910	1395 ctx->heap.front = s2 + 2;
adamc@574	1396 return r;
adamc@574	1397 }
adamc@574	1398
adam@1286	1399 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286	1400 unsigned char c = c1;
adamc@1025	1401 char r, s2;
adamc@1025	1402
adamc@1025	1403 uw_check_heap(ctx, 6);
adamc@1025	1404
adamc@1025	1405 r = s2 = ctx->heap.front;
adamc@1025	1406 *s2++ = '"';
adamc@1025	1407
adamc@1025	1408 switch (c) {
adamc@1025	1409 case '"':
adamc@1025	1410 strcpy(s2, "\\\"");
adamc@1025	1411 s2 += 2;
adamc@1025	1412 break;
adamc@1027	1413 case '\'':
adamc@1027	1414 strcpy(s2, "\\047");
adamc@1027	1415 s2 += 4;
adamc@1027	1416 break;
adamc@1025	1417 case '\\':
adamc@1025	1418 strcpy(s2, "\\\\");
adamc@1025	1419 s2 += 2;
adamc@1025	1420 break;
adamc@1025	1421 default:
adam@1286	1422 if (isprint((int)c) \|\| c >= 128)
adamc@1025	1423 *s2++ = c;
adamc@1025	1424 else {
adam@1286	1425 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025	1426 s2 += 4;
adamc@1025	1427 }
adamc@1025	1428 }
adamc@1025	1429
adamc@1025	1430 strcpy(s2, "\"");
adamc@1025	1431 ctx->heap.front = s2 + 2;
adamc@1025	1432 return r;
adamc@1025	1433 }
adamc@1025	1434
adamc@574	1435 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574	1436 char r, s2;
adamc@574	1437
adamc@574	1438 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574	1439
adamc@666	1440 r = s2 = ctx->script.front;
adamc@574	1441 *s2++ = '"';
adamc@574	1442
adamc@574	1443 for (; *s; s++) {
adam@1286	1444 unsigned char c = *s;
adamc@574	1445
adamc@574	1446 switch (c) {
adamc@577	1447 case '\'':
adamc@1027	1448 strcpy(s2, "\\");
adamc@574	1449 s2 += 2;
adamc@574	1450 break;
adamc@574	1451 case '\\':
adamc@574	1452 strcpy(s2, "\\\\");
adamc@574	1453 s2 += 2;
adamc@574	1454 break;
adamc@574	1455 default:
adam@1286	1456 if (isprint((int)c) \|\| c >= 128)
adamc@574	1457 *s2++ = c;
adamc@574	1458 else {
adamc@574	1459 sprintf(s2, "\\%3o", c);
adamc@574	1460 s2 += 4;
adamc@574	1461 }
adamc@574	1462 }
adamc@574	1463 }
adamc@574	1464
adamc@574	1465 strcpy(s2, "\"");
adamc@666	1466 ctx->script.front = s2 + 1;
adamc@574	1467 return r;
adamc@574	1468 }
adamc@574	1469
adamc@682	1470 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1471 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1472 return "null";
adamc@682	1473 else {
adamc@682	1474 int len;
adamc@682	1475 char *r;
adamc@682	1476
adamc@682	1477 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1478 r = ctx->heap.front;
adamc@682	1479 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1480 ctx->heap.front += len+1;
adamc@682	1481 return r;
adamc@682	1482 }
adamc@682	1483 }
adamc@682	1484
adamc@577	1485 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577	1486 int len;
adamc@577	1487 size_t s_len = strlen(s);
adamc@562	1488
adamc@970	1489 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970	1490 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666	1491 ctx->script.front += len;
adamc@666	1492 strcpy(ctx->script.front, s);
adamc@666	1493 ctx->script.front += s_len;
adamc@970	1494 strcpy(ctx->script.front, "));");
adamc@972	1495 ctx->script.front += 3;
adamc@562	1496
adamc@565	1497 return ctx->source_count++;
adamc@117	1498 }
adamc@117	1499
adamc@577	1500 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577	1501 int len;
adamc@577	1502 size_t s_len = strlen(s);
adamc@577	1503
adamc@970	1504 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970	1505 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666	1506 ctx->script.front += len;
adamc@666	1507 strcpy(ctx->script.front, s);
adamc@666	1508 ctx->script.front += s_len;
adamc@970	1509 strcpy(ctx->script.front, "));");
adamc@972	1510 ctx->script.front += 3;
adamc@577	1511
adamc@577	1512 return uw_unit_v;
adamc@577	1513 }
adamc@577	1514
adamc@311	1515 static void uw_check(uw_context ctx, size_t extra) {
adam@1369	1516 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117	1517 }
adamc@117	1518
adamc@311	1519 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666	1520 *(ctx->page.front)++ = c;
adamc@117	1521 }
adamc@117	1522
adamc@311	1523 void uw_writec(uw_context ctx, char c) {
adamc@311	1524 uw_check(ctx, 1);
adamc@311	1525 uw_writec_unsafe(ctx, c);
adamc@117	1526 }
adamc@117	1527
adamc@311	1528 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117	1529 int len = strlen(s);
adamc@666	1530 memcpy(ctx->page.front, s, len);
adamc@666	1531 ctx->page.front += len;
adamc@117	1532 }
adamc@117	1533
adamc@311	1534 void uw_write(uw_context ctx, const char* s) {
adamc@311	1535 uw_check(ctx, strlen(s) + 1);
adamc@311	1536 uw_write_unsafe(ctx, s);
adamc@666	1537 *ctx->page.front = 0;
adamc@102	1538 }
adamc@106	1539
adamc@311	1540 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136	1541 char *result;
adamc@136	1542 int len;
adamc@311	1543 uw_check_heap(ctx, INTS_MAX);
adamc@666	1544 result = ctx->heap.front;
adamc@276	1545 sprintf(result, "%lld%n", n, &len);
adamc@666	1546 ctx->heap.front += len+1;
adamc@136	1547 return result;
adamc@106	1548 }
adamc@106	1549
adamc@311	1550 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136	1551 char *result;
adamc@136	1552 int len;
adamc@311	1553 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1554 result = ctx->heap.front;
adamc@136	1555 sprintf(result, "%g%n", n, &len);
adamc@666	1556 ctx->heap.front += len+1;
adamc@136	1557 return result;
adamc@106	1558 }
adamc@106	1559
adamc@311	1560 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136	1561 int len = strlen(s);
adamc@136	1562 char result, p;
adamc@311	1563 uw_check_heap(ctx, len * 6 + 1);
adamc@136	1564
adamc@666	1565 result = p = ctx->heap.front;
adamc@136	1566
adamc@136	1567 for (; *s; s++) {
adamc@1054	1568 unsigned char c = *s;
adamc@136	1569
adamc@136	1570 if (c == '"') {
adamc@136	1571 strcpy(p, """);
adamc@136	1572 p += 6;
adamc@136	1573 } else if (c == '&') {
adamc@136	1574 strcpy(p, "&");
adamc@136	1575 p += 5;
adamc@136	1576 }
adamc@1059	1577 else
adamc@136	1578 *p++ = c;
adamc@136	1579 }
adamc@136	1580
adamc@137	1581 *p++ = 0;
adamc@666	1582 ctx->heap.front = p;
adamc@136	1583 return result;
adamc@106	1584 }
adamc@106	1585
adamc@1011	1586 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	1587 char result, p;
adamc@1011	1588 uw_check_heap(ctx, 7);
adamc@1011	1589
adamc@1011	1590 result = p = ctx->heap.front;
adamc@1011	1591
adamc@1011	1592 if (c == '"') {
adamc@1011	1593 strcpy(p, """);
adamc@1011	1594 p += 6;
adamc@1011	1595 } else if (c == '&') {
adamc@1011	1596 strcpy(p, "&");
adamc@1011	1597 p += 5;
adamc@1011	1598 }
adamc@1059	1599 else
adamc@1011	1600 *p++ = c;
adamc@1011	1601
adamc@1011	1602 *p++ = 0;
adamc@1011	1603 ctx->heap.front = p;
adamc@1011	1604 return result;
adamc@1011	1605 }
adamc@1011	1606
adamc@721	1607 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721	1608 return s;
adamc@721	1609 }
adamc@721	1610
adamc@311	1611 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117	1612 int len;
adamc@117	1613
adamc@666	1614 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1615 ctx->page.front += len;
adamc@106	1616 }
adamc@106	1617
adamc@428	1618 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1619 uw_check(ctx, INTS_MAX);
adamc@311	1620 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428	1621
adamc@428	1622 return uw_unit_v;
adamc@106	1623 }
adamc@106	1624
adamc@428	1625 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117	1626 int len;
adamc@117	1627
adamc@311	1628 uw_check(ctx, FLOATS_MAX);
adamc@666	1629 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1630 ctx->page.front += len;
adamc@428	1631
adamc@428	1632 return uw_unit_v;
adamc@117	1633 }
adamc@117	1634
adamc@428	1635 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311	1636 uw_check(ctx, strlen(s) * 6);
adamc@117	1637
adamc@106	1638 for (; *s; s++) {
adamc@1054	1639 unsigned char c = *s;
adamc@106	1640
adamc@106	1641 if (c == '"')
adamc@311	1642 uw_write_unsafe(ctx, """);
adamc@136	1643 else if (c == '&')
adamc@311	1644 uw_write_unsafe(ctx, "&");
adamc@1059	1645 else
adamc@311	1646 uw_writec_unsafe(ctx, c);
adamc@106	1647 }
adamc@428	1648
adamc@428	1649 return uw_unit_v;
adamc@106	1650 }
adamc@120	1651
adamc@1011	1652 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011	1653 uw_check(ctx, 6);
adamc@1011	1654
adamc@1011	1655 if (c == '"')
adamc@1011	1656 uw_write_unsafe(ctx, """);
adamc@1011	1657 else if (c == '&')
adamc@1011	1658 uw_write_unsafe(ctx, "&");
adamc@1059	1659 else
adamc@1011	1660 uw_writec_unsafe(ctx, c);
adamc@1011	1661
adamc@1011	1662 return uw_unit_v;
adamc@1011	1663 }
adamc@1011	1664
adamc@120	1665
adamc@311	1666 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137	1667 int len;
adamc@137	1668 char *r;
adamc@137	1669
adamc@311	1670 uw_check_heap(ctx, INTS_MAX);
adamc@666	1671 r = ctx->heap.front;
adamc@276	1672 sprintf(r, "%lld%n", n, &len);
adamc@666	1673 ctx->heap.front += len+1;
adamc@137	1674 return r;
adamc@120	1675 }
adamc@120	1676
adamc@682	1677 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1678 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1679 return "";
adamc@682	1680 else {
adamc@682	1681 int len;
adamc@682	1682 char *r;
adamc@679	1683
adamc@682	1684 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1685 r = ctx->heap.front;
adamc@682	1686 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1687 ctx->heap.front += len+1;
adamc@682	1688 return r;
adamc@682	1689 }
adamc@679	1690 }
adamc@679	1691
adamc@311	1692 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137	1693 int len;
adamc@137	1694 char *r;
adamc@137	1695
adamc@311	1696 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1697 r = ctx->heap.front;
adamc@137	1698 sprintf(r, "%g%n", n, &len);
adamc@666	1699 ctx->heap.front += len+1;
adamc@137	1700 return r;
adamc@120	1701 }
adamc@120	1702
adamc@311	1703 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1704 char r, p;
adamc@137	1705
adamc@925	1706 if (s[0] == '\0')
adamc@925	1707 return "_";
adamc@925	1708
adamc@925	1709 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925	1710
adamc@925	1711 r = p = ctx->heap.front;
adamc@925	1712 if (s[0] == '_')
adamc@925	1713 *p++ = '_';
adamc@925	1714
adamc@925	1715 for (; *s; s++) {
adamc@1087	1716 unsigned char c = *s;
adamc@137	1717
adamc@137	1718 if (c == ' ')
adamc@137	1719 *p++ = '+';
adamc@137	1720 else if (isalnum(c))
adamc@137	1721 *p++ = c;
adamc@137	1722 else {
adamc@1259	1723 sprintf(p, ".%02X", c);
adamc@137	1724 p += 3;
adamc@137	1725 }
adamc@137	1726 }
adamc@137	1727
adamc@137	1728 *p++ = 0;
adamc@666	1729 ctx->heap.front = p;
adamc@137	1730 return r;
adamc@120	1731 }
adamc@120	1732
adamc@311	1733 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1734 if (b == uw_Basis_False)
adamc@186	1735 return "0";
adamc@186	1736 else
adamc@186	1737 return "1";
adamc@186	1738 }
adamc@186	1739
adamc@311	1740 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120	1741 int len;
adamc@120	1742
adamc@666	1743 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1744 ctx->page.front += len;
adamc@120	1745 }
adamc@120	1746
adamc@428	1747 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1748 uw_check(ctx, INTS_MAX);
adamc@311	1749 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428	1750
adamc@428	1751 return uw_unit_v;
adamc@120	1752 }
adamc@120	1753
adamc@682	1754 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1755 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682	1756 int len;
adamc@682	1757
adamc@682	1758 uw_check(ctx, INTS_MAX + 1);
adamc@682	1759 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682	1760 ctx->page.front += len;
adamc@682	1761 }
adamc@682	1762
adamc@679	1763 return uw_unit_v;
adamc@679	1764 }
adamc@679	1765
adamc@428	1766 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120	1767 int len;
adamc@120	1768
adamc@311	1769 uw_check(ctx, FLOATS_MAX);
adamc@666	1770 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1771 ctx->page.front += len;
adamc@428	1772
adamc@428	1773 return uw_unit_v;
adamc@120	1774 }
adamc@120	1775
adamc@488	1776 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adam@1365	1777 return uw_Basis_urlifyInt(ctx, t.seconds * 1000000 + t.microseconds);
adamc@488	1778 }
adamc@488	1779
adamc@428	1780 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925	1781 if (s[0] == '\0') {
adamc@925	1782 uw_check(ctx, 1);
adamc@925	1783 uw_writec_unsafe(ctx, '_');
adamc@925	1784 return uw_unit_v;
adamc@925	1785 }
adamc@925	1786
adamc@925	1787 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925	1788
adamc@925	1789 if (s[0] == '_')
adamc@925	1790 uw_writec_unsafe(ctx, '_');
adamc@120	1791
adamc@120	1792 for (; *s; s++) {
adamc@1087	1793 unsigned char c = *s;
adamc@120	1794
adamc@120	1795 if (c == ' ')
adamc@311	1796 uw_writec_unsafe(ctx, '+');
adamc@120	1797 else if (isalnum(c))
adamc@311	1798 uw_writec_unsafe(ctx, c);
adamc@120	1799 else {
adamc@1259	1800 sprintf(ctx->page.front, ".%02X", c);
adamc@666	1801 ctx->page.front += 3;
adamc@120	1802 }
adamc@120	1803 }
adamc@428	1804
adamc@428	1805 return uw_unit_v;
adamc@120	1806 }
adamc@120	1807
adamc@428	1808 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1809 if (b == uw_Basis_False)
adamc@311	1810 uw_writec(ctx, '0');
adamc@186	1811 else
adamc@311	1812 uw_writec(ctx, '1');
adamc@428	1813
adamc@428	1814 return uw_unit_v;
adamc@186	1815 }
adamc@186	1816
adamc@120	1817
adamc@311	1818 static char uw_unurlify_advance(char s) {
adamc@144	1819 char *new_s = strchr(s, '/');
adamc@120	1820
adamc@120	1821 if (new_s)
adamc@120	1822 *new_s++ = 0;
adamc@120	1823 else
adamc@144	1824 new_s = strchr(s, 0);
adamc@144	1825
adamc@144	1826 return new_s;
adamc@144	1827 }
adamc@144	1828
adamc@311	1829 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311	1830 char new_s = uw_unurlify_advance(s);
adamc@311	1831 uw_Basis_int r;
adamc@120	1832
adamc@276	1833 r = atoll(*s);
adamc@120	1834 *s = new_s;
adamc@120	1835 return r;
adamc@120	1836 }
adamc@120	1837
adamc@311	1838 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311	1839 char new_s = uw_unurlify_advance(s);
adamc@311	1840 uw_Basis_float r;
adamc@120	1841
adamc@120	1842 r = atof(*s);
adamc@120	1843 *s = new_s;
adamc@120	1844 return r;
adamc@120	1845 }
adamc@120	1846
adamc@488	1847 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365	1848 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365	1849 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365	1850 return r;
adamc@488	1851 }
adamc@488	1852
adamc@1023	1853 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char r, char s) {
adamc@927	1854 char s1, s2 = s;
adamc@144	1855 int n;
adamc@136	1856
adamc@1023	1857 if (!fromClient) {
adamc@1023	1858 if (*s2 == '_')
adamc@1023	1859 ++s2;
adamc@1259	1860 else if ((s2[0] == '%' \|\| s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' \|\| s2[2] == 'F'))
adamc@1023	1861 s2 += 3;
adamc@1023	1862 }
adamc@925	1863
adamc@927	1864 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087	1865 unsigned char c = *s2;
adamc@136	1866
adamc@136	1867 switch (c) {
adamc@136	1868 case '+':
adamc@136	1869 *s1 = ' ';
adamc@136	1870 break;
adamc@136	1871 case '%':
adamc@169	1872 if (s2[1] == 0)
adamc@311	1873 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169	1874 if (s2[2] == 0)
adamc@311	1875 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169	1876 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311	1877 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136	1878 *s1 = n;
adamc@136	1879 s2 += 2;
adamc@136	1880 break;
adamc@1259	1881 case '.':
adamc@1259	1882 if (!fromClient) {
adamc@1259	1883 if (s2[1] == 0)
adamc@1259	1884 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259	1885 if (s2[2] == 0)
adamc@1259	1886 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259	1887 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259	1888 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259	1889 *s1 = n;
adamc@1259	1890 s2 += 2;
adamc@1259	1891 break;
adamc@1259	1892 }
adamc@136	1893 default:
adamc@136	1894 *s1 = c;
adamc@136	1895 }
adamc@136	1896 }
adamc@136	1897 *s1++ = 0;
adamc@144	1898 return s1;
adamc@144	1899 }
adamc@144	1900
adamc@311	1901 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311	1902 char new_s = uw_unurlify_advance(s);
adamc@311	1903 uw_Basis_bool r;
adamc@186	1904
adamc@186	1905 if (s[0] == 0 \|\| !strcmp(s, "0") \|\| !strcmp(*s, "off"))
adamc@311	1906 r = uw_Basis_False;
adamc@186	1907 else
adamc@311	1908 r = uw_Basis_True;
adamc@186	1909
adamc@186	1910 *s = new_s;
adamc@186	1911 return r;
adamc@186	1912 }
adamc@186	1913
adamc@311	1914 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311	1915 char new_s = uw_unurlify_advance(s);
adamc@1134	1916 char *r;
adamc@1134	1917 int len;
adamc@144	1918
adamc@200	1919 len = strlen(*s);
adamc@311	1920 uw_check_heap(ctx, len + 1);
adamc@144	1921
adamc@666	1922 r = ctx->heap.front;
adamc@1023	1923 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023	1924 *s = new_s;
adamc@1023	1925 return r;
adamc@1023	1926 }
adamc@1023	1927
adamc@1109	1928 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109	1929 s = uw_unurlify_advance(s);
adamc@1109	1930 return uw_unit_v;
adamc@1109	1931 }
adamc@1109	1932
adamc@1023	1933 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023	1934 char new_s = uw_unurlify_advance(s);
adamc@1134	1935 char *r;
adamc@1134	1936 int len;
adamc@1023	1937
adamc@1023	1938 len = strlen(*s);
adamc@1023	1939 uw_check_heap(ctx, len + 1);
adamc@1023	1940
adamc@1023	1941 r = ctx->heap.front;
adamc@1023	1942 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136	1943 *s = new_s;
adamc@136	1944 return r;
adamc@120	1945 }
adamc@135	1946
adamc@135	1947
adamc@311	1948 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286	1949 int len;
adamc@286	1950 char *r;
adamc@286	1951
adamc@311	1952 uw_check_heap(ctx, INTS_MAX);
adamc@666	1953 r = ctx->heap.front;
adamc@286	1954 sprintf(r, "%lld%n", n, &len);
adamc@666	1955 ctx->heap.front += len+1;
adamc@286	1956 return r;
adamc@286	1957 }
adamc@286	1958
adamc@428	1959 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286	1960 int len;
adamc@286	1961
adamc@311	1962 uw_check(ctx, INTS_MAX);
adamc@666	1963 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1964 ctx->page.front += len;
adamc@428	1965
adamc@428	1966 return uw_unit_v;
adamc@286	1967 }
adamc@286	1968
adam@1358	1969 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358	1970 unsigned int n = ch;
adam@1358	1971 int len;
adam@1358	1972 char *r;
adam@1358	1973
adam@1358	1974 uw_check_heap(ctx, INTS_MAX+3);
adam@1358	1975 r = ctx->heap.front;
adam@1358	1976 sprintf(r, "&#%u;%n", n, &len);
adam@1358	1977 ctx->heap.front += len+1;
adam@1358	1978 return r;
adam@1358	1979 }
adam@1358	1980
adam@1358	1981 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358	1982 unsigned int n = ch;
adam@1358	1983 int len;
adam@1358	1984
adam@1358	1985 uw_check(ctx, INTS_MAX+3);
adam@1358	1986 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358	1987 ctx->page.front += len;
adam@1358	1988 return uw_unit_v;
adam@1358	1989 }
adam@1358	1990
adamc@311	1991 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286	1992 int len;
adamc@286	1993 char *r;
adamc@286	1994
adamc@311	1995 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1996 r = ctx->heap.front;
adamc@286	1997 sprintf(r, "%g%n", n, &len);
adamc@666	1998 ctx->heap.front += len+1;
adamc@286	1999 return r;
adamc@286	2000 }
adamc@286	2001
adamc@428	2002 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286	2003 int len;
adamc@286	2004
adamc@311	2005 uw_check(ctx, FLOATS_MAX);
adamc@666	2006 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	2007 ctx->page.front += len;
adamc@428	2008
adamc@428	2009 return uw_unit_v;
adamc@286	2010 }
adamc@286	2011
adam@1365	2012 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360	2013 int len;
adam@1360	2014 char *r;
adam@1360	2015
adam@1360	2016 uw_check_heap(ctx, INTS_MAX);
adam@1360	2017 r = ctx->heap.front;
adam@1365	2018 sprintf(r, "%lld%n", (uw_Basis_int)(t.seconds * 1000000 + t.microseconds), &len);
adam@1360	2019 ctx->heap.front += len+1;
adam@1360	2020 return r;
adam@1360	2021 }
adam@1360	2022
adam@1365	2023 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360	2024 int len;
adam@1360	2025
adam@1360	2026 uw_check(ctx, INTS_MAX);
adam@1360	2027 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360	2028 ctx->page.front += len;
adam@1360	2029
adam@1360	2030 return uw_unit_v;
adam@1360	2031 }
adam@1360	2032
adamc@311	2033 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	2034 char r, s2;
adamc@137	2035
adamc@311	2036 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137	2037
adamc@666	2038 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054	2039 unsigned char c = *s;
adamc@137	2040
adamc@137	2041 switch (c) {
adamc@137	2042 case '<':
adamc@137	2043 strcpy(s2, "<");
adamc@137	2044 s2 += 4;
adamc@137	2045 break;
adamc@137	2046 case '&':
adamc@137	2047 strcpy(s2, "&");
adamc@137	2048 s2 += 5;
adamc@137	2049 break;
adamc@137	2050 default:
adamc@1059	2051 *s2++ = c;
adamc@137	2052 }
adamc@137	2053 }
adamc@137	2054
adamc@137	2055 *s2++ = 0;
adamc@666	2056 ctx->heap.front = s2;
adamc@137	2057 return r;
adamc@135	2058 }
adamc@135	2059
adamc@428	2060 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321	2061 uw_check(ctx, strlen(s) * 6);
adamc@135	2062
adamc@135	2063 for (; *s; s++) {
adamc@1054	2064 unsigned char c = *s;
adamc@135	2065
adamc@135	2066 switch (c) {
adamc@135	2067 case '<':
adamc@311	2068 uw_write_unsafe(ctx, "<");
adamc@135	2069 break;
adamc@135	2070 case '&':
adamc@311	2071 uw_write_unsafe(ctx, "&");
adamc@135	2072 break;
adamc@135	2073 default:
adamc@1059	2074 uw_writec_unsafe(ctx, c);
adamc@135	2075 }
adamc@135	2076 }
adamc@428	2077
adamc@428	2078 return uw_unit_v;
adamc@135	2079 }
adamc@180	2080
adamc@311	2081 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2082 if (b == uw_Basis_False)
adamc@286	2083 return "False";
adamc@286	2084 else
adamc@286	2085 return "True";
adamc@286	2086 }
adamc@286	2087
adamc@428	2088 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	2089 if (b == uw_Basis_False) {
adamc@311	2090 uw_check(ctx, 6);
adamc@666	2091 strcpy(ctx->page.front, "False");
adamc@666	2092 ctx->page.front += 5;
adamc@286	2093 } else {
adamc@311	2094 uw_check(ctx, 5);
adamc@666	2095 strcpy(ctx->page.front, "True");
adamc@666	2096 ctx->page.front += 4;
adamc@286	2097 }
adamc@428	2098
adamc@428	2099 return uw_unit_v;
adamc@286	2100 }
adamc@286	2101
adamc@436	2102 #define TIME_FMT "%x %X"
adamc@438	2103 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436	2104
adamc@436	2105 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436	2106 size_t len;
adamc@436	2107 char *r;
adamc@436	2108 struct tm stm;
adamc@436	2109
adam@1365	2110 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2111 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2112 r = ctx->heap.front;
adamc@436	2113 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2114 ctx->heap.front += len+1;
adamc@436	2115 return r;
adamc@436	2116 } else
adamc@436	2117 return "<i>Invalid time</i>";
adamc@436	2118 }
adamc@436	2119
adamc@436	2120 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436	2121 size_t len;
adamc@436	2122 char *r;
adamc@436	2123 struct tm stm;
adamc@436	2124
adam@1365	2125 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2126 uw_check(ctx, TIMES_MAX);
adamc@666	2127 r = ctx->page.front;
adamc@436	2128 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2129 ctx->page.front += len;
adamc@436	2130 } else {
adamc@436	2131 uw_check(ctx, 20);
adamc@666	2132 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666	2133 ctx->page.front += 19;
adamc@436	2134 }
adamc@436	2135
adamc@436	2136 return uw_unit_v;
adamc@436	2137 }
adamc@436	2138
adamc@821	2139 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821	2140 if (n >= 0 && n < strlen(s))
adamc@821	2141 return s[n];
adamc@821	2142 else
adamc@821	2143 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821	2144 }
adamc@821	2145
adamc@821	2146 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821	2147 if (n >= 0 && n < strlen(s))
adamc@821	2148 return &s[n];
adamc@821	2149 else
adamc@821	2150 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821	2151 }
adamc@821	2152
adamc@828	2153 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828	2154 return strlen(s);
adamc@828	2155 }
adamc@828	2156
adamc@829	2157 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2158 return strchr(s, ch);
adamc@829	2159 }
adamc@829	2160
adamc@831	2161 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831	2162 return strcspn(s, chs);
adamc@831	2163 }
adamc@831	2164
adamc@829	2165 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2166 uw_Basis_string r = strchr(s, ch);
adamc@829	2167 if (r == NULL)
adamc@829	2168 return NULL;
adamc@829	2169 else {
adamc@829	2170 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829	2171 *nr = r - s;
adamc@829	2172 return nr;
adamc@829	2173 }
adamc@829	2174 }
adamc@829	2175
adamc@311	2176 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828	2177 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180	2178 char *s;
adamc@180	2179
adamc@311	2180 uw_check_heap(ctx, len);
adamc@180	2181
adamc@666	2182 s = ctx->heap.front;
adamc@180	2183
adamc@180	2184 strcpy(s, s1);
adamc@180	2185 strcat(s, s2);
adamc@666	2186 ctx->heap.front += len;
adamc@180	2187
adamc@180	2188 return s;
adamc@180	2189 }
adamc@278	2190
adamc@829	2191 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829	2192 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829	2193
adamc@829	2194 if (start < 0)
adamc@829	2195 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829	2196 if (len < 0)
adamc@829	2197 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829	2198 if (start + len > full_len)
adamc@829	2199 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829	2200
adamc@829	2201 if (start + len == full_len)
adamc@829	2202 return &s[start];
adamc@829	2203 else {
adamc@829	2204 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959	2205 memcpy(r, s+start, len);
adamc@829	2206 r[len] = 0;
adamc@829	2207 return r;
adamc@829	2208 }
adamc@829	2209
adamc@829	2210 }
adamc@829	2211
adamc@1023	2212 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023	2213 char *r;
adamc@1023	2214
adamc@1023	2215 uw_check_heap(ctx, 2);
adamc@1023	2216 r = ctx->heap.front;
adamc@1023	2217 r[0] = ch;
adamc@1023	2218 r[1] = 0;
adamc@1023	2219
adamc@1023	2220 ctx->heap.front += 2;
adamc@1023	2221
adamc@1023	2222 return r;
adamc@1023	2223 }
adamc@1023	2224
adamc@737	2225 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828	2226 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278	2227 char *s;
adamc@278	2228
adamc@311	2229 uw_check_heap(ctx, len);
adamc@278	2230
adamc@666	2231 s = ctx->heap.front;
adamc@278	2232
adamc@278	2233 strcpy(s, s1);
adamc@666	2234 ctx->heap.front += len;
adamc@278	2235
adamc@278	2236 return s;
adamc@278	2237 }
adamc@280	2238
adam@1295	2239 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295	2240 if (ctx->error_message[0]) {
adam@1295	2241 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295	2242 ctx->error_message[0] = 0;
adam@1295	2243 return s;
adam@1295	2244 } else
adam@1295	2245 return NULL;
adam@1295	2246 }
adam@1295	2247
adamc@737	2248 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493	2249 if (s1)
adamc@737	2250 return uw_strdup(ctx, s1);
adamc@493	2251 else
adamc@493	2252 return NULL;
adamc@493	2253 }
adamc@493	2254
adamc@742	2255 char uw_memdup(uw_context ctx, const char p, size_t len) {
adamc@742	2256 char *r = uw_malloc(ctx, len);
adamc@742	2257 memcpy(r, p, len);
adamc@742	2258 return r;
adamc@742	2259 }
adamc@280	2260
adamc@879	2261 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879	2262
adamc@311	2263 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281	2264 int len;
adamc@281	2265 char *r;
adamc@281	2266
adamc@311	2267 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666	2268 r = ctx->heap.front;
adamc@879	2269 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666	2270 ctx->heap.front += len+1;
adamc@281	2271 return r;
adamc@281	2272 }
adamc@281	2273
adamc@467	2274 char uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int n) {
adamc@467	2275 if (n == NULL)
adamc@467	2276 return "NULL";
adamc@467	2277 else
adamc@467	2278 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467	2279 }
adamc@467	2280
adamc@879	2281 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879	2282
adamc@311	2283 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281	2284 int len;
adamc@281	2285 char *r;
adamc@281	2286
adamc@311	2287 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666	2288 r = ctx->heap.front;
adamc@879	2289 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666	2290 ctx->heap.front += len+1;
adamc@281	2291 return r;
adamc@281	2292 }
adamc@281	2293
adamc@467	2294 char uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float n) {
adamc@467	2295 if (n == NULL)
adamc@467	2296 return "NULL";
adamc@467	2297 else
adamc@467	2298 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467	2299 }
adamc@467	2300
adamc@879	2301 int uw_Estrings = 1;
adamc@879	2302 char *uw_sqlsuffixString = "::text";
adamc@1011	2303 char *uw_sqlsuffixChar = "::char";
adamc@281	2304
adamc@311	2305 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280	2306 char r, s2;
adamc@280	2307
adamc@879	2308 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280	2309
adamc@666	2310 r = s2 = ctx->heap.front;
adamc@879	2311 if (uw_Estrings)
adamc@879	2312 *s2++ = 'E';
adamc@280	2313 *s2++ = '\'';
adamc@280	2314
adamc@280	2315 for (; *s; s++) {
adamc@280	2316 char c = *s;
adamc@280	2317
adamc@280	2318 switch (c) {
adamc@280	2319 case '\'':
adamc@885	2320 if (uw_Estrings)
adamc@885	2321 strcpy(s2, "\\'");
adamc@885	2322 else
adamc@885	2323 strcpy(s2, "''");
adamc@280	2324 s2 += 2;
adamc@280	2325 break;
adamc@280	2326 case '\\':
adamc@885	2327 if (uw_Estrings) {
adamc@885	2328 strcpy(s2, "\\\\");
adamc@885	2329 s2 += 2;
adamc@885	2330 } else
adamc@885	2331 *s2++ = '\\';
adamc@280	2332 break;
adamc@280	2333 default:
adamc@1150	2334 if (isprint((int)c))
adamc@280	2335 *s2++ = c;
adamc@879	2336 else if (uw_Estrings) {
adamc@737	2337 sprintf(s2, "\\%03o", c);
adamc@280	2338 s2 += 4;
adamc@280	2339 }
adamc@879	2340 else
adamc@879	2341 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280	2342 }
adamc@280	2343 }
adamc@280	2344
adamc@879	2345 *s2++ = '\'';
adamc@879	2346 strcpy(s2, uw_sqlsuffixString);
adamc@879	2347 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280	2348 return r;
adamc@280	2349 }
adamc@281	2350
adamc@1011	2351 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	2352 char r, s2;
adamc@1011	2353
adamc@1011	2354 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011	2355
adamc@1011	2356 r = s2 = ctx->heap.front;
adamc@1011	2357 if (uw_Estrings)
adamc@1011	2358 *s2++ = 'E';
adamc@1011	2359 *s2++ = '\'';
adamc@1011	2360
adamc@1011	2361 switch (c) {
adamc@1011	2362 case '\'':
adamc@1011	2363 if (uw_Estrings)
adamc@1011	2364 strcpy(s2, "\\'");
adamc@1011	2365 else
adamc@1011	2366 strcpy(s2, "''");
adamc@1011	2367 s2 += 2;
adamc@1011	2368 break;
adamc@1011	2369 case '\\':
adamc@1011	2370 if (uw_Estrings) {
adamc@1011	2371 strcpy(s2, "\\\\");
adamc@1011	2372 s2 += 2;
adamc@1011	2373 } else
adamc@1011	2374 *s2++ = '\\';
adamc@1011	2375 break;
adamc@1011	2376 default:
adamc@1150	2377 if (isprint((int)c))
adamc@1011	2378 *s2++ = c;
adamc@1011	2379 else if (uw_Estrings) {
adamc@1011	2380 sprintf(s2, "\\%03o", c);
adamc@1011	2381 s2 += 4;
adamc@1011	2382 }
adamc@1011	2383 else
adamc@1011	2384 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011	2385 }
adamc@1011	2386
adamc@1011	2387 *s2++ = '\'';
adamc@1011	2388 strcpy(s2, uw_sqlsuffixChar);
adamc@1011	2389 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011	2390 return r;
adamc@1011	2391 }
adamc@1011	2392
adamc@879	2393 char *uw_sqlsuffixBlob = "::bytea";
adamc@879	2394
adamc@737	2395 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737	2396 char r, s2;
adamc@737	2397 size_t i;
adamc@737	2398
adamc@879	2399 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737	2400
adamc@737	2401 r = s2 = ctx->heap.front;
adamc@879	2402 if (uw_Estrings)
adamc@879	2403 *s2++ = 'E';
adamc@737	2404 *s2++ = '\'';
adamc@737	2405
adamc@737	2406 for (i = 0; i < b.size; ++i) {
adamc@737	2407 char c = b.data[i];
adamc@737	2408
adamc@737	2409 switch (c) {
adamc@737	2410 case '\'':
adamc@885	2411 if (uw_Estrings)
adamc@885	2412 strcpy(s2, "\\'");
adamc@885	2413 else
adamc@885	2414 strcpy(s2, "''");
adamc@737	2415 s2 += 2;
adamc@737	2416 break;
adamc@737	2417 case '\\':
adamc@885	2418 if (uw_Estrings) {
adamc@885	2419 strcpy(s2, "\\\\\\\\");
adamc@885	2420 s2 += 4;
adamc@885	2421 } else
adamc@885	2422 *s2++ = '\\';
adamc@737	2423 break;
adamc@737	2424 default:
adamc@1150	2425 if (isprint((int)c))
adamc@737	2426 *s2++ = c;
adamc@879	2427 else if (uw_Estrings) {
adamc@737	2428 sprintf(s2, "\\\\%03o", c);
adamc@737	2429 s2 += 5;
adamc@737	2430 }
adamc@879	2431 else
adamc@879	2432 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737	2433 }
adamc@737	2434 }
adamc@737	2435
adamc@879	2436 *s2++ = '\'';
adamc@879	2437 strcpy(s2, uw_sqlsuffixBlob);
adamc@879	2438 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737	2439 return r;
adamc@737	2440 }
adamc@737	2441
adamc@682	2442 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2443 int len;
adamc@682	2444 char *r;
adamc@682	2445 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2446
adamc@682	2447 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2448 r = ctx->heap.front;
adamc@879	2449 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682	2450 ctx->heap.front += len+1;
adamc@682	2451 return r;
adamc@682	2452 }
adamc@682	2453
adamc@682	2454 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2455 int len;
adamc@682	2456 char *r;
adamc@682	2457 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2458
adamc@682	2459 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2460 r = ctx->heap.front;
adamc@682	2461 sprintf(r, "%lld%n", combo, &len);
adamc@682	2462 ctx->heap.front += len+1;
adamc@682	2463 return r;
adamc@682	2464 }
adamc@682	2465
adamc@879	2466 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879	2467
adamc@682	2468 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2469 int len;
adamc@682	2470 char *r;
adamc@682	2471
adamc@682	2472 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2473 r = ctx->heap.front;
adamc@879	2474 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682	2475 ctx->heap.front += len+1;
adamc@682	2476 return r;
adamc@682	2477 }
adamc@682	2478
adamc@682	2479 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2480 int len;
adamc@682	2481 char *r;
adamc@682	2482
adamc@682	2483 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2484 r = ctx->heap.front;
adamc@682	2485 sprintf(r, "%u%n", cli, &len);
adamc@682	2486 ctx->heap.front += len+1;
adamc@682	2487 return r;
adamc@682	2488 }
adamc@682	2489
adamc@467	2490 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467	2491 if (s == NULL)
adamc@467	2492 return "NULL";
adamc@467	2493 else
adamc@467	2494 return uw_Basis_sqlifyString(ctx, s);
adamc@467	2495 }
adamc@467	2496
adamc@311	2497 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2498 if (b == uw_Basis_False)
adamc@281	2499 return "FALSE";
adamc@281	2500 else
adamc@281	2501 return "TRUE";
adamc@281	2502 }
adamc@282	2503
adamc@467	2504 char uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool b) {
adamc@467	2505 if (b == NULL)
adamc@467	2506 return "NULL";
adamc@467	2507 else
adamc@467	2508 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467	2509 }
adamc@467	2510
adamc@439	2511 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439	2512 size_t len;
adamc@682	2513 char r, s;
adamc@682	2514 struct tm stm;
adamc@682	2515
adam@1365	2516 if (localtime_r(&t.seconds, &stm)) {
adamc@682	2517 s = uw_malloc(ctx, TIMES_MAX);
adam@1364	2518 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367	2519 if (t.microseconds) {
adam@1367	2520 r = uw_malloc(ctx, len + 21);
adam@1367	2521 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367	2522 } else {
adam@1367	2523 r = uw_malloc(ctx, len + 14);
adam@1367	2524 sprintf(r, "'%s'::timestamp", s);
adam@1367	2525 }
adamc@682	2526 return r;
adamc@682	2527 } else
adamc@682	2528 return "<Invalid time>";
adamc@682	2529 }
adamc@682	2530
adamc@682	2531 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682	2532 size_t len;
adamc@439	2533 char *r;
adamc@439	2534 struct tm stm;
adamc@439	2535
adam@1365	2536 if (localtime_r(&t.seconds, &stm)) {
adamc@439	2537 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2538 r = ctx->heap.front;
adamc@439	2539 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2540 ctx->heap.front += len+1;
adamc@439	2541 return r;
adamc@439	2542 } else
adamc@439	2543 return "<Invalid time>";
adamc@439	2544 }
adamc@439	2545
adam@1364	2546 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364	2547 size_t len;
adam@1364	2548 char *r;
adam@1364	2549 struct tm stm;
adam@1364	2550
adam@1365	2551 if (localtime_r(&t.seconds, &stm)) {
adam@1364	2552 uw_check_heap(ctx, TIMES_MAX);
adam@1364	2553 r = ctx->heap.front;
adam@1365	2554 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365	2555 ctx->heap.front += len;
adam@1365	2556 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365	2557 ctx->heap.front += 8;
adam@1364	2558 return r;
adam@1364	2559 } else
adam@1364	2560 return "<Invalid time>";
adam@1364	2561 }
adam@1364	2562
adamc@467	2563 char uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time t) {
adamc@467	2564 if (t == NULL)
adamc@467	2565 return "NULL";
adamc@467	2566 else
adamc@467	2567 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467	2568 }
adamc@467	2569
adamc@311	2570 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311	2571 static uw_Basis_int true = 1;
adamc@311	2572 static uw_Basis_int false = 0;
adamc@282	2573
adamc@311	2574 if (b == uw_Basis_False)
adamc@282	2575 return (char *)&false;
adamc@282	2576 else
adamc@282	2577 return (char *)&true;
adamc@282	2578 }
adamc@284	2579
adamc@311	2580 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284	2581 int len;
adamc@284	2582 char *r;
adamc@284	2583
adamc@311	2584 uw_check_heap(ctx, INTS_MAX);
adamc@666	2585 r = ctx->heap.front;
adamc@284	2586 sprintf(r, "%lld%n", n, &len);
adamc@666	2587 ctx->heap.front += len+1;
adamc@284	2588 return r;
adamc@284	2589 }
adamc@285	2590
adamc@311	2591 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285	2592 int len;
adamc@285	2593 char *r;
adamc@285	2594
adamc@311	2595 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2596 r = ctx->heap.front;
adamc@285	2597 sprintf(r, "%g%n", n, &len);
adamc@666	2598 ctx->heap.front += len+1;
adamc@285	2599 return r;
adamc@285	2600 }
adamc@285	2601
adamc@821	2602 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821	2603 char *r = uw_malloc(ctx, 2);
adamc@821	2604 r[0] = ch;
adamc@821	2605 r[1] = 0;
adamc@821	2606 return r;
adamc@821	2607 }
adamc@821	2608
adamc@311	2609 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311	2610 if (b == uw_Basis_False)
adamc@285	2611 return "False";
adamc@285	2612 else
adamc@285	2613 return "True";
adamc@285	2614 }
adamc@288	2615
adamc@436	2616 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436	2617 size_t len;
adamc@436	2618 char *r;
adamc@436	2619 struct tm stm;
adamc@436	2620
adam@1365	2621 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2622 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2623 r = ctx->heap.front;
adamc@436	2624 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2625 ctx->heap.front += len+1;
adamc@436	2626 return r;
adamc@436	2627 } else
adamc@436	2628 return "<Invalid time>";
adamc@436	2629 }
adamc@288	2630
adam@1359	2631 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352	2632 size_t len;
adam@1352	2633 char *r;
adam@1352	2634 struct tm stm;
adam@1352	2635
adam@1365	2636 if (localtime_r(&t.seconds, &stm)) {
adam@1352	2637 uw_check_heap(ctx, TIMES_MAX);
adam@1352	2638 r = ctx->heap.front;
adam@1352	2639 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352	2640 ctx->heap.front += len+1;
adam@1352	2641 return r;
adam@1352	2642 } else
adam@1352	2643 return "<Invalid time>";
adam@1352	2644 }
adam@1352	2645
adamc@311	2646 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288	2647 char *endptr;
adamc@311	2648 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288	2649
adamc@288	2650 if (s != '\0' && endptr == '\0') {
adamc@311	2651 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288	2652 *r = n;
adamc@288	2653 return r;
adamc@288	2654 } else
adamc@288	2655 return NULL;
adamc@288	2656 }
adamc@289	2657
adamc@311	2658 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289	2659 char *endptr;
adamc@311	2660 uw_Basis_float n = strtod(s, &endptr);
adamc@289	2661
adamc@289	2662 if (s != '\0' && endptr == '\0') {
adamc@311	2663 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289	2664 *r = n;
adamc@289	2665 return r;
adamc@289	2666 } else
adamc@289	2667 return NULL;
adamc@289	2668 }
adamc@289	2669
adamc@821	2670 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821	2671 if (s[0] == 0) {
adamc@821	2672 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2673 r[0] = 0;
adamc@821	2674 return r;
adamc@821	2675 } else if (s[1] != 0)
adamc@821	2676 return NULL;
adamc@821	2677 else {
adamc@821	2678 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2679 r[0] = s[0];
adamc@821	2680 return r;
adamc@821	2681 }
adamc@821	2682 }
adamc@821	2683
adamc@311	2684 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311	2685 static uw_Basis_bool true = uw_Basis_True;
adamc@311	2686 static uw_Basis_bool false = uw_Basis_False;
adamc@289	2687
adamc@289	2688 if (!strcasecmp (s, "True"))
adamc@289	2689 return &true;
adamc@289	2690 else if (!strcasecmp (s, "False"))
adamc@289	2691 return &false;
adamc@289	2692 else
adamc@289	2693 return NULL;
adamc@289	2694 }
adamc@292	2695
adamc@436	2696 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438	2697 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1374	2698 struct tm stm = {};
adamc@436	2699
adamc@439	2700 if (dot) {
adamc@439	2701 *dot = 0;
adamc@439	2702 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2703 *dot = '.';
adamc@439	2704 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2705 r->seconds = mktime(&stm);
adam@1365	2706 r->microseconds = 0;
adamc@439	2707 return r;
adamc@439	2708 }
adamc@439	2709 else {
adamc@439	2710 *dot = '.';
adamc@439	2711 return NULL;
adamc@439	2712 }
adamc@436	2713 }
adamc@439	2714 else {
adamc@439	2715 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2716 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2717 r->seconds = mktime(&stm);
adam@1365	2718 r->microseconds = 0;
adamc@439	2719 return r;
adamc@439	2720 }
adamc@439	2721 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439	2722 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2723 r->seconds = mktime(&stm);
adam@1365	2724 r->microseconds = 0;
adamc@439	2725 return r;
adamc@439	2726 }
adamc@439	2727 else
adamc@439	2728 return NULL;
adamc@439	2729 }
adamc@436	2730 }
adamc@436	2731
adam@1352	2732 uw_Basis_time uw_Basis_stringToTimef(uw_context ctx, const char fmt, uw_Basis_string s) {
adam@1352	2733 char *end = strchr(s, 0);
adam@1374	2734 struct tm stm = {};
adam@1352	2735
adam@1352	2736 if (strptime(s, fmt, &stm) == end) {
adam@1352	2737 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2738 r->seconds = mktime(&stm);
adam@1365	2739 r->microseconds = 0;
adam@1352	2740 return r;
adam@1352	2741 }
adam@1352	2742 else
adam@1352	2743 return NULL;
adam@1352	2744 }
adam@1352	2745
adamc@311	2746 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292	2747 char *endptr;
adamc@311	2748 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292	2749
adamc@292	2750 if (s != '\0' && endptr == '\0')
adamc@292	2751 return n;
adamc@292	2752 else
adamc@311	2753 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292	2754 }
adamc@293	2755
adamc@682	2756 #include <errno.h>
adamc@682	2757
adamc@678	2758 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682	2759 unsigned long long n;
adamc@682	2760
adamc@682	2761 if (sscanf(s, "%llu", &n) < 1)
adamc@682	2762 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682	2763 else {
adamc@682	2764 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682	2765 return ch;
adamc@682	2766 }
adamc@682	2767 }
adamc@682	2768
adamc@682	2769 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678	2770 char *endptr;
adamc@682	2771 unsigned long n = strtoul(s, &endptr, 10);
adamc@678	2772
adamc@678	2773 if (s != '\0' && endptr == '\0')
adamc@678	2774 return n;
adamc@678	2775 else
adamc@682	2776 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678	2777 }
adamc@678	2778
adamc@311	2779 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293	2780 char *endptr;
adamc@311	2781 uw_Basis_float n = strtod(s, &endptr);
adamc@293	2782
adamc@293	2783 if (s != '\0' && endptr == '\0')
adamc@293	2784 return n;
adamc@293	2785 else
adamc@311	2786 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293	2787 }
adamc@293	2788
adamc@821	2789 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821	2790 if (s[0] == 0)
adamc@821	2791 return 0;
adamc@821	2792 else if (s[1] != 0)
adamc@821	2793 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821	2794 else
adamc@821	2795 return s[0];
adamc@821	2796 }
adamc@821	2797
adamc@311	2798 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296	2799 if (!strcasecmp(s, "T") \|\| !strcasecmp (s, "True"))
adamc@311	2800 return uw_Basis_True;
adamc@296	2801 else if (!strcasecmp(s, "F") \|\| !strcasecmp (s, "False"))
adamc@311	2802 return uw_Basis_False;
adamc@293	2803 else
adamc@311	2804 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293	2805 }
adamc@436	2806
adam@1352	2807 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352	2808 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1352	2809 struct tm stm = {};
adam@1352	2810
adam@1352	2811 if (dot) {
adam@1352	2812 *dot = 0;
adam@1352	2813 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352	2814 *dot = '.';
adam@1365	2815 uw_Basis_time r = { mktime(&stm), atoi(dot+1) };
adam@1365	2816 return r;
adam@1352	2817 }
adam@1352	2818 else {
adam@1352	2819 *dot = '.';
adam@1352	2820 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352	2821 }
adam@1352	2822 }
adam@1352	2823 else {
adam@1352	2824 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	2825 uw_Basis_time r = { mktime(&stm) };
adam@1365	2826 return r;
adam@1352	2827 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	2828 uw_Basis_time r = { mktime(&stm) };
adam@1365	2829 return r;
adam@1352	2830 } else
adam@1352	2831 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352	2832 }
adam@1352	2833 }
adam@1352	2834
adamc@436	2835 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438	2836 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	2837 struct tm stm = {};
adamc@436	2838
adamc@438	2839 if (dot) {
adamc@438	2840 *dot = 0;
adamc@438	2841 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438	2842 *dot = '.';
adam@1365	2843 {
adam@1365	2844 uw_Basis_time r = { mktime(&stm) };
adam@1365	2845 return r;
adam@1365	2846 }
adamc@438	2847 }
adamc@438	2848 else {
adamc@438	2849 *dot = '.';
adamc@438	2850 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2851 }
adamc@438	2852 }
adamc@438	2853 else {
adam@1365	2854 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	2855 uw_Basis_time r = { mktime(&stm) };
adam@1365	2856 return r;
adam@1365	2857 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	2858 uw_Basis_time r = { mktime(&stm) };
adam@1365	2859 return r;
adam@1365	2860 } else
adamc@438	2861 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2862 }
adamc@436	2863 }
adamc@457	2864
adam@1352	2865 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352	2866 char *end = strchr(s, 0);
adamc@939	2867 struct tm stm = {};
adamc@939	2868
adam@1365	2869 if (strptime(s, fmt, &stm) == end) {
adam@1365	2870 uw_Basis_time r = { mktime(&stm) };
adam@1365	2871 return r;
adam@1365	2872 } else
adam@1352	2873 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939	2874 }
adamc@939	2875
adamc@742	2876 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742	2877 char *r = ctx->heap.front;
adamc@742	2878 uw_Basis_blob b = {len, r};
adamc@742	2879
adamc@742	2880 uw_check_heap(ctx, len);
adamc@742	2881
adamc@742	2882 while (*s) {
adamc@742	2883 if (s[0] == '\\') {
adamc@742	2884 if (s[1] == '\\') {
adamc@742	2885 *r++ = '\\';
adamc@742	2886 s += 2;
adamc@1153	2887 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742	2888 r++ = (s[1] - '0') 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742	2889 s += 4;
adamc@742	2890 }
adamc@742	2891 else {
adamc@742	2892 *r++ = '\\';
adamc@742	2893 ++s;
adamc@742	2894 }
adamc@742	2895 } else {
adamc@742	2896 *r++ = s[0];
adamc@742	2897 ++s;
adamc@742	2898 }
adamc@742	2899 }
adamc@742	2900
adamc@742	2901 b.size = r - ctx->heap.front;
adamc@742	2902 ctx->heap.front = r;
adamc@742	2903 return b;
adamc@742	2904 }
adamc@742	2905
adamc@1052	2906 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052	2907
adamc@463	2908 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463	2909 int len = strlen(c);
adamc@854	2910 char *p = ctx->outHeaders.start;
adamc@474	2911
adamc@1134	2912 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474	2913 char *p2;
adamc@474	2914 p += 13;
adamc@474	2915 p2 = strchr(p, '=');
adamc@474	2916
adamc@474	2917 if (p2) {
adamc@474	2918 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474	2919
adamc@474	2920 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052	2921 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052	2922 return NULL;
adamc@1052	2923 else {
adamc@1052	2924 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052	2925 memcpy(ret, p2+1, sz);
adamc@1052	2926 ret[sz] = 0;
adamc@1052	2927 return ret;
adamc@1052	2928 }
adamc@474	2929 }
adamc@474	2930 }
adamc@474	2931 }
adamc@463	2932
adamc@1134	2933 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051	2934 char *p2;
adamc@1051	2935
adamc@854	2936 while (1) {
adamc@1051	2937 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134	2938 if ((p2 = strchr(p, ';'))) {
adamc@1051	2939 size_t n = p2 - (p + len);
adamc@1051	2940 char *r = uw_malloc(ctx, n);
adamc@1051	2941 memcpy(r, p + 1 + len, n-1);
adamc@1051	2942 r[n-1] = 0;
adamc@1051	2943 return r;
adamc@1051	2944 } else
adamc@1051	2945 return p + 1 + len;
adamc@1134	2946 } else if ((p = strchr(p, ';')))
adamc@854	2947 p += 2;
adamc@463	2948 else
adamc@463	2949 return NULL;
adamc@463	2950 }
adamc@463	2951 }
adamc@792	2952
adamc@792	2953 return NULL;
adamc@457	2954 }
adamc@462	2955
adamc@1050	2956 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	2957 uw_write_header(ctx, "Set-Cookie: ");
adamc@462	2958 uw_write_header(ctx, c);
adamc@462	2959 uw_write_header(ctx, "=");
adamc@462	2960 uw_write_header(ctx, v);
adamc@466	2961 uw_write_header(ctx, "; path=");
adamc@466	2962 uw_write_header(ctx, prefix);
adamc@1050	2963 if (expires) {
adamc@1050	2964 char formatted[30];
adamc@1050	2965 struct tm tm;
adamc@1050	2966
adam@1365	2967 gmtime_r(&expires->seconds, &tm);
adamc@1050	2968
adamc@1050	2969 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050	2970
adamc@1050	2971 uw_write_header(ctx, "; expires=");
adamc@1050	2972 uw_write_header(ctx, formatted);
adamc@1050	2973 }
adamc@1050	2974 if (secure)
adamc@1050	2975 uw_write_header(ctx, "; secure");
adamc@462	2976 uw_write_header(ctx, "\r\n");
adamc@462	2977
adamc@462	2978 return uw_unit_v;
adamc@462	2979 }
adamc@667	2980
adamc@1050	2981 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050	2982 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050	2983 uw_write_header(ctx, c);
adamc@1050	2984 uw_write_header(ctx, "=; path=");
adamc@1050	2985 uw_write_header(ctx, prefix);
adamc@1052	2986 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050	2987
adamc@1050	2988 return uw_unit_v;
adamc@1050	2989 }
adamc@1050	2990
adamc@1113	2991 size_t uw_deltas_max = SIZE_MAX;
adamc@1113	2992
adamc@682	2993 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682	2994 unsigned i;
adamc@682	2995 delta *d;
adamc@671	2996
adamc@682	2997 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682	2998 if (ctx->deltas[i].client == client)
adamc@682	2999 return &ctx->deltas[i];
adamc@671	3000
adamc@682	3001 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113	3002 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113	3003 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113	3004
adamc@682	3005 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369	3006 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682	3007 }
adamc@671	3008
adamc@682	3009 d = &ctx->deltas[ctx->used_deltas++];
adamc@682	3010 d->client = client;
adam@1369	3011 uw_buffer_reset(&d->msgs);
adamc@682	3012 return d;
adamc@671	3013 }
adamc@671	3014
adamc@668	3015 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682	3016 if (ctx->client == NULL)
adamc@682	3017 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671	3018
adamc@682	3019 return new_channel(ctx->client);
adamc@668	3020 }
adamc@668	3021
adamc@668	3022 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682	3023 delta *d = allocate_delta(ctx, chn.cli);
adamc@682	3024 size_t len;
adamc@682	3025 int preLen;
adamc@682	3026 char pre[INTS_MAX + 2];
adamc@668	3027
adamc@682	3028 len = strlen(msg);
adamc@682	3029
adamc@682	3030 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682	3031
adam@1369	3032 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369	3033 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369	3034 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671	3035
adamc@671	3036 return uw_unit_v;
adamc@668	3037 }
adamc@671	3038
adam@1327	3039 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131	3040 int i;
adamc@1131	3041 cleanup *cl;
adamc@1131	3042
adamc@1131	3043 if (ctx->client)
adamc@1131	3044 release_client(ctx->client);
adamc@1131	3045
adamc@1131	3046 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131	3047 cl->func(cl->arg);
adamc@1131	3048
adamc@1131	3049 ctx->cleanup_front = ctx->cleanup;
adamc@1131	3050
adamc@1131	3051 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3052 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3053 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131	3054
adamc@1131	3055 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3056 if (ctx->transactionals[i].free)
adam@1327	3057 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131	3058
adamc@1144	3059 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131	3060 }
adamc@1131	3061
adamc@671	3062 void uw_commit(uw_context ctx) {
adamc@1104	3063 int i;
adamc@1104	3064
adamc@1131	3065 if (uw_has_error(ctx)) {
adam@1327	3066 uw_rollback(ctx, 0);
adamc@1131	3067 return;
adamc@1131	3068 }
adamc@1131	3069
adamc@1104	3070 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3071 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3072 if (ctx->transactionals[i].commit) {
adamc@1083	3073 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3074 if (uw_has_error(ctx)) {
adam@1327	3075 uw_rollback(ctx, 0);
adamc@1131	3076 return;
adamc@1131	3077 }
adamc@1131	3078 }
adamc@771	3079
adamc@1104	3080 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3081 if (ctx->transactionals[i].rollback == NULL)
adamc@1131	3082 if (ctx->transactionals[i].commit) {
adamc@1083	3083 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3084 if (uw_has_error(ctx)) {
adam@1327	3085 uw_rollback(ctx, 0);
adamc@1131	3086 return;
adamc@1131	3087 }
adamc@1131	3088 }
adamc@1131	3089
adamc@1131	3090 if (ctx->app->db_commit(ctx)) {
adamc@1131	3091 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131	3092 return;
adamc@1131	3093 }
adamc@682	3094
adamc@682	3095 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682	3096 delta *d = &ctx->deltas[i];
adamc@682	3097 client *c = find_client(d->client);
adamc@682	3098
adamc@682	3099 assert (c != NULL && c->mode == USED);
adamc@682	3100
adamc@685	3101 client_send(c, &d->msgs);
adamc@682	3102 }
adamc@682	3103
adamc@682	3104 if (ctx->client)
adamc@685	3105 release_client(ctx->client);
adamc@771	3106
adamc@1104	3107 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083	3108 if (ctx->transactionals[i].free)
adam@1327	3109 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916	3110
adamc@916	3111 // Splice script data into appropriate part of page
adamc@1065	3112 if (ctx->returning_indirectly \|\| ctx->script_header[0] == 0) {
adamc@995	3113 char *start = strstr(ctx->page.start, "<sc>");
adamc@995	3114 if (start) {
adam@1369	3115 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995	3116 ctx->page.front -= 4;
adamc@995	3117 }
adam@1369	3118 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916	3119 size_t len = strlen(ctx->script_header);
adamc@916	3120 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	3121 if (start) {
adam@1369	3122 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917	3123 start = strstr(ctx->page.start, "<sc>");
adam@1369	3124 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	3125 ctx->page.front += len - 4;
adamc@916	3126 memcpy(start, ctx->script_header, len);
adamc@916	3127 }
adamc@916	3128 } else {
adam@1369	3129 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916	3130 size_t lenP = lenH + 40 + len;
adamc@916	3131 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	3132 if (start) {
adam@1369	3133 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917	3134 start = strstr(ctx->page.start, "<sc>");
adam@1369	3135 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	3136 ctx->page.front += lenP - 4;
adamc@916	3137 memcpy(start, ctx->script_header, lenH);
adamc@916	3138 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916	3139 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916	3140 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916	3141 }
adamc@916	3142 }
adamc@671	3143 }
adamc@671	3144
adamc@683	3145
adamc@1113	3146 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113	3147
adamc@771	3148 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327	3149 uw_callback_with_retry free) {
adamc@771	3150 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113	3151 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113	3152 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084	3153 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771	3154 ++ctx->n_transactionals;
adamc@771	3155 }
adamc@771	3156
adamc@771	3157 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771	3158 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771	3159 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771	3160 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771	3161 }
adamc@771	3162
adamc@683	3163
adamc@683	3164 // "Garbage collection"
adamc@683	3165
adamc@1121	3166 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121	3167 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121	3168
adamc@1121	3169 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683	3170 int r = setjmp(ctx->jmp_buf);
adamc@683	3171
adamc@1121	3172 if (r == 0)
adamc@1121	3173 uw_do_expunge(ctx, cli, data);
adamc@1121	3174 else
adamc@1121	3175 ctx->app->db_rollback(ctx);
adamc@1121	3176
adamc@1121	3177 uw_post_expunge(ctx, data);
adamc@683	3178
adamc@683	3179 return r;
adamc@683	3180 }
adamc@683	3181
adamc@683	3182 void uw_prune_clients(uw_context ctx) {
adamc@683	3183 client c, next, *prev = NULL;
adamc@683	3184 time_t cutoff;
adamc@683	3185
adamc@1094	3186 cutoff = time(NULL) - ctx->app->timeout;
adamc@683	3187
adamc@683	3188 pthread_mutex_lock(&clients_mutex);
adamc@683	3189
adamc@683	3190 for (c = clients_used; c; c = next) {
adamc@683	3191 next = c->next;
adamc@683	3192 pthread_mutex_lock(&c->lock);
adamc@685	3193 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683	3194 failure_kind fk = UNLIMITED_RETRY;
adamc@683	3195 if (prev)
adamc@683	3196 prev->next = next;
adamc@683	3197 else
adamc@683	3198 clients_used = next;
adamc@684	3199 uw_reset(ctx);
adamc@683	3200 while (fk == UNLIMITED_RETRY) {
adamc@1121	3201 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121	3202 if (fk == UNLIMITED_RETRY)
adamc@684	3203 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683	3204 }
adamc@684	3205 if (fk == SUCCESS)
adamc@684	3206 free_client(c);
adamc@1121	3207 else
adamc@856	3208 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683	3209 }
adamc@683	3210 else
adamc@683	3211 prev = c;
adamc@683	3212 pthread_mutex_unlock(&c->lock);
adamc@683	3213 }
adamc@683	3214
adamc@683	3215 pthread_mutex_unlock(&clients_mutex);
adamc@683	3216 }
adamc@687	3217
adamc@687	3218 failure_kind uw_initialize(uw_context ctx) {
adamc@687	3219 int r = setjmp(ctx->jmp_buf);
adamc@687	3220
adamc@687	3221 if (r == 0) {
adamc@1094	3222 if (ctx->app->db_begin(ctx))
adamc@687	3223 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094	3224 ctx->app->initializer(ctx);
adamc@1094	3225 if (ctx->app->db_commit(ctx))
adamc@687	3226 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687	3227 }
adamc@687	3228
adamc@687	3229 return r;
adamc@687	3230 }
adamc@717	3231
adamc@1065	3232 static int url_bad(uw_Basis_string s) {
adamc@1065	3233 for (; *s; ++s)
adamc@1153	3234 if (!isgraph((int)*s))
adamc@1065	3235 return 1;
adamc@1065	3236
adamc@1065	3237 return 0;
adamc@1065	3238 }
adamc@1065	3239
adamc@717	3240 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065	3241 if (url_bad(s))
adamc@1065	3242 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094	3243 if (ctx->app->check_url(s))
adamc@770	3244 return s;
adamc@770	3245 else
adamc@770	3246 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717	3247 }
adamc@734	3248
adamc@770	3249 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065	3250 if (url_bad(s))
adamc@1065	3251 return NULL;
adamc@1094	3252 if (ctx->app->check_url(s))
adamc@770	3253 return s;
adamc@770	3254 else
adamc@770	3255 return NULL;
adamc@770	3256 }
adamc@770	3257
adamc@770	3258 int mime_format(const char *s) {
adamc@770	3259 for (; *s; ++s)
adamc@1153	3260 if (!isalnum((int)s) && s != '/' && s != '-' && s != '.')
adamc@770	3261 return 0;
adamc@770	3262
adamc@770	3263 return 1;
adamc@770	3264 }
adamc@770	3265
adamc@741	3266 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3267 if (!mime_format(s))
adamc@770	3268 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770	3269
adamc@1094	3270 if (ctx->app->check_mime(s))
adamc@770	3271 return s;
adamc@770	3272 else
adamc@770	3273 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770	3274 }
adamc@770	3275
adamc@770	3276 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3277 if (!mime_format(s))
adamc@770	3278 return NULL;
adamc@770	3279
adamc@1094	3280 if (ctx->app->check_mime(s))
adamc@770	3281 return s;
adamc@770	3282 else
adamc@770	3283 return NULL;
adamc@741	3284 }
adamc@741	3285
adamc@734	3286 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734	3287 return s ? s : "";
adamc@734	3288 }
adamc@734	3289
adamc@734	3290 extern int uw_hash_blocksize;
adamc@734	3291
adamc@734	3292 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734	3293 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734	3294 int i;
adamc@734	3295
adamc@734	3296 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734	3297 sprintf(&r[2i], "%.02X", ((unsigned char )sig)[i]);
adamc@734	3298
adamc@734	3299 return r;
adamc@734	3300 }
adamc@734	3301
adamc@734	3302 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094	3303 return ctx->app->cookie_sig(ctx);
adamc@734	3304 }
adamc@737	3305
adamc@737	3306 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737	3307 return f.name;
adamc@737	3308 }
adamc@737	3309
adamc@740	3310 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740	3311 return f.type;
adamc@740	3312 }
adamc@740	3313
adamc@745	3314 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745	3315 return b.size;
adamc@745	3316 }
adamc@745	3317
adamc@1119	3318 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119	3319 uw_Basis_blob b = {strlen(s), s};
adamc@1119	3320
adamc@1119	3321 return b;
adamc@1119	3322 }
adamc@1119	3323
adamc@737	3324 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737	3325 return f.data;
adamc@737	3326 }
adamc@741	3327
adam@1347	3328 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3329 return pb.type;
adam@1347	3330 }
adam@1347	3331
adam@1347	3332 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3333 return pb.data;
adam@1347	3334 }
adam@1347	3335
adamc@741	3336 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741	3337 cleanup *cl;
adamc@741	3338 int len;
adamc@741	3339
adamc@1065	3340 ctx->returning_indirectly = 1;
adam@1369	3341 uw_buffer_reset(&ctx->outHeaders);
adam@1369	3342 uw_buffer_reset(&ctx->page);
adamc@741	3343
adamc@856	3344 uw_write_header(ctx, on_success);
adamc@856	3345 uw_write_header(ctx, "Content-Type: ");
adamc@741	3346 uw_write_header(ctx, mimeType);
adamc@741	3347 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369	3348 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134	3349 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741	3350 ctx->outHeaders.front += len;
adamc@1066	3351 uw_write_header(ctx, "\r\n");
adamc@741	3352
adam@1369	3353 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741	3354
adamc@741	3355 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741	3356 cl->func(cl->arg);
adamc@741	3357
adamc@741	3358 ctx->cleanup_front = ctx->cleanup;
adamc@741	3359
adamc@1065	3360 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065	3361 }
adamc@1065	3362
adamc@1065	3363 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065	3364 cleanup *cl;
adamc@1066	3365 char *s;
adamc@1065	3366
adamc@1065	3367 ctx->returning_indirectly = 1;
adam@1369	3368 uw_buffer_reset(&ctx->page);
adam@1369	3369 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369	3370 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369	3371 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369	3372 uw_buffer_reset(&ctx->outHeaders);
adamc@1065	3373
adamc@1065	3374 uw_write_header(ctx, on_redirect);
adamc@1066	3375
adamc@1066	3376 s = strchr(ctx->page.start, '\n');
adamc@1066	3377 if (s) {
adamc@1066	3378 char *s2;
adamc@1134	3379 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066	3380 *s2 = 0;
adamc@1066	3381 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066	3382 uw_write_header(ctx, s);
adamc@1066	3383 uw_write_header(ctx, "\n");
adamc@1066	3384 }
adamc@1066	3385 }
adamc@1066	3386 }
adamc@1066	3387
adamc@1065	3388 uw_write_header(ctx, "Location: ");
adamc@1065	3389 uw_write_header(ctx, url);
adamc@1065	3390 uw_write_header(ctx, "\r\n\r\n");
adamc@1065	3391
adamc@1065	3392 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065	3393 cl->func(cl->arg);
adamc@1065	3394
adamc@1065	3395 ctx->cleanup_front = ctx->cleanup;
adamc@1065	3396
adamc@1065	3397 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741	3398 }
adamc@874	3399
adamc@874	3400 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874	3401 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874	3402
adamc@874	3403 for (; *s; ++s) {
adamc@874	3404 if (s[0] == '\'') {
adamc@874	3405 *r++ = '\'';
adamc@874	3406 for (++s; *s; ++s) {
adamc@874	3407 if (s[0] == '\'') {
adamc@874	3408 *r++ = '\'';
adamc@874	3409 break;
adamc@874	3410 } else if (s[0] == '\\') {
adamc@874	3411 if (s[1] == '\\') {
adamc@874	3412 *r++ = '\\';
adamc@874	3413 *r++ = '\\';
adamc@874	3414 ++s;
adamc@874	3415 } else if (s[1] == '\'') {
adamc@874	3416 *r++ = '\\';
adamc@874	3417 *r++ = '\'';
adamc@874	3418 ++s;
adamc@874	3419 } else
adamc@874	3420 *r++ = '\'';
adamc@874	3421 } else
adamc@874	3422 *r++ = s[0];
adamc@874	3423 }
adamc@874	3424 if (*s == 0) break;
adamc@874	3425 } else if (s[0] == 'T' && s[1] == '.')
adamc@874	3426 ++s;
adamc@874	3427 else
adamc@874	3428 *r++ = s[0];
adamc@874	3429 }
adamc@874	3430
adamc@874	3431 return r;
adamc@874	3432 }
adamc@874	3433
adamc@922	3434 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922	3435 va_list ap;
adamc@922	3436 size_t len = 1;
adamc@922	3437 char s, r, *s2;
adamc@922	3438
adamc@922	3439 va_start(ap, ctx);
adamc@922	3440 for (s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3441 len += strlen(s);
adamc@922	3442 va_end(ap);
adamc@922	3443
adamc@922	3444 r = uw_malloc(ctx, len);
adamc@922	3445 va_start(ap, ctx);
adamc@922	3446 for (s2 = r, s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3447 while (*s)
adamc@922	3448 s2++ = s++;
adamc@922	3449 va_end(ap);
adamc@922	3450 *s2 = 0;
adamc@922	3451
adamc@922	3452 return r;
adamc@922	3453 }
adamc@1006	3454
adam@1365	3455 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050	3456
adamc@1006	3457 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365	3458 uw_Basis_time r = { time(NULL) };
adam@1365	3459 return r;
adamc@1006	3460 }
adamc@1061	3461
adam@1369	3462 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369	3463 tm.seconds += n;
adam@1365	3464 return tm;
adamc@1138	3465 }
adamc@1138	3466
adamc@1061	3467 void uw_get_global(uw_context ctx, char name) {
adamc@1061	3468 int i;
adamc@1061	3469
adamc@1061	3470 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	3471 if (!strcmp(name, ctx->globals[i].name))
adamc@1061	3472 return ctx->globals[i].data;
adamc@1061	3473
adamc@1061	3474 return NULL;
adamc@1061	3475 }
adamc@1061	3476
adamc@1113	3477 size_t uw_globals_max = SIZE_MAX;
adamc@1113	3478
adamc@1061	3479 void uw_set_global(uw_context ctx, char name, void data, void (free)(void)) {
adamc@1061	3480 int i;
adamc@1061	3481
adamc@1061	3482 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	3483 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089	3484 if (ctx->globals[i].free)
adamc@1061	3485 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061	3486 ctx->globals[i].data = data;
adamc@1061	3487 ctx->globals[i].free = free;
adamc@1061	3488 return;
adamc@1061	3489 }
adamc@1089	3490
adamc@1113	3491 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113	3492 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113	3493
adamc@1061	3494 ++ctx->n_globals;
adamc@1061	3495 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061	3496 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061	3497 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061	3498 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061	3499 }
adamc@1061	3500
adamc@1061	3501 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153	3502 return !!isalnum((int)c);
adamc@1061	3503 }
adamc@1061	3504
adamc@1061	3505 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153	3506 return !!isalpha((int)c);
adamc@1061	3507 }
adamc@1061	3508
adamc@1061	3509 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153	3510 return !!isblank((int)c);
adamc@1061	3511 }
adamc@1061	3512
adamc@1061	3513 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153	3514 return !!iscntrl((int)c);
adamc@1061	3515 }
adamc@1061	3516
adamc@1061	3517 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	3518 return !!isdigit((int)c);
adamc@1061	3519 }
adamc@1061	3520
adamc@1061	3521 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153	3522 return !!isgraph((int)c);
adamc@1061	3523 }
adamc@1061	3524
adamc@1061	3525 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153	3526 return !!islower((int)c);
adamc@1061	3527 }
adamc@1061	3528
adamc@1061	3529 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153	3530 return !!isprint((int)c);
adamc@1061	3531 }
adamc@1061	3532
adamc@1061	3533 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153	3534 return !!ispunct((int)c);
adamc@1061	3535 }
adamc@1061	3536
adamc@1061	3537 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153	3538 return !!isspace((int)c);
adamc@1061	3539 }
adamc@1063	3540
adamc@1061	3541 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	3542 return !!isupper((int)c);
adamc@1061	3543 }
adamc@1061	3544
adamc@1061	3545 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	3546 return !!isxdigit((int)c);
adamc@1061	3547 }
adamc@1061	3548
adamc@1061	3549 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153	3550 return tolower((int)c);
adamc@1061	3551 }
adamc@1061	3552
adamc@1061	3553 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	3554 return toupper((int)c);
adamc@1061	3555 }
adamc@1066	3556
adamc@1128	3557 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128	3558 return (unsigned char)c;
adamc@1128	3559 }
adamc@1128	3560
adamc@1128	3561 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128	3562 return n;
adamc@1128	3563 }
adamc@1128	3564
adamc@1066	3565 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066	3566 return ctx->current_url;
adamc@1066	3567 }
adamc@1066	3568
adamc@1066	3569 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066	3570 ctx->current_url = s;
adamc@1066	3571 }
adamc@1114	3572
adamc@1114	3573 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114	3574 ctx->deadline = n;
adamc@1114	3575 }
adamc@1114	3576
adamc@1114	3577 void uw_check_deadline(uw_context ctx) {
adamc@1114	3578 if (uw_time > ctx->deadline)
adamc@1114	3579 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114	3580 }
adamc@1115	3581
adamc@1115	3582 size_t uw_database_max = SIZE_MAX;
adamc@1120	3583
adamc@1120	3584 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334	3585 if (ctx->log_debug)
adam@1334	3586 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334	3587 else
adam@1334	3588 fprintf(stderr, "%s\n", s);
adamc@1120	3589 return uw_unit_v;
adamc@1120	3590 }
adamc@1250	3591
adamc@1250	3592 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250	3593 uw_Basis_int n = abs(rand());
adamc@1250	3594 return n;
adamc@1250	3595 }
adam@1347	3596
adam@1347	3597 void uw_noPostBody(uw_context ctx) {
adam@1347	3598 ctx->hasPostBody = 0;
adam@1347	3599 }
adam@1347	3600
adam@1347	3601 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3602 ctx->hasPostBody = 1;
adam@1347	3603 ctx->postBody = pb;
adam@1347	3604 }
adam@1347	3605
adam@1347	3606 int uw_hasPostBody(uw_context ctx) {
adam@1347	3607 return ctx->hasPostBody;
adam@1347	3608 }
adam@1347	3609
adam@1370	3610 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370	3611 ctx->queryString = s;
adam@1370	3612 }
adam@1370	3613
adam@1370	3614 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370	3615 return ctx->queryString;
adam@1370	3616 }
adam@1370	3617
adam@1347	3618 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347	3619 if (ctx->hasPostBody)
adam@1347	3620 return ctx->postBody;
adam@1347	3621 else
adam@1347	3622 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347	3623 }
adam@1349	3624
adam@1349	3625 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349	3626 int r = setjmp(ctx->jmp_buf);
adam@1349	3627
adam@1349	3628 if (ctx->app->db_begin(ctx))
adam@1349	3629 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349	3630
adam@1349	3631 if (r == 0) {
adam@1349	3632 callback(ctx);
adam@1349	3633 uw_commit(ctx);
adam@1349	3634 }
adam@1349	3635 else
adam@1349	3636 uw_rollback(ctx, 0);
adam@1349	3637
adam@1349	3638 return r;
adam@1349	3639 }
adam@1360	3640
adam@1360	3641 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1360	3642 struct crypt_data *data;
adam@1360	3643
adam@1360	3644 if ((data = uw_get_global(ctx, "crypt")) == NULL) {
adam@1360	3645 data = malloc(sizeof(struct crypt_data));
adam@1360	3646 data->initialized = 0;
adam@1360	3647 uw_set_global(ctx, "crypt", data, free);
adam@1360	3648 }
adam@1360	3649
adam@1360	3650 return uw_strdup(ctx, crypt_r(key, salt, data));
adam@1360	3651 }
adam@1365	3652
adam@1365	3653 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3654 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365	3655 }
adam@1365	3656
adam@1365	3657 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3658 return !!(t1.seconds < t2.seconds \|\| t1.microseconds < t2.microseconds);
adam@1365	3659 }
adam@1365	3660
adam@1365	3661 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3662 return !!(uw_Basis_eq_time(ctx, t1, t2) \|\| uw_Basis_lt_time(ctx, t1, t2));
adam@1365	3663 }
adam@1365	3664
adam@1374	3665 /uw_Basis_time uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374	3666 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1374	3667
adam@1374	3668 printf("timezone = %ld\n", timezone);
adam@1374	3669
adam@1374	3670 if (r)
adam@1374	3671 r->seconds -= timezone;
adam@1374	3672
adam@1374	3673 return r;
adam@1374	3674 }*/
adam@1374	3675
adam@1372	3676 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374	3677 struct tm stm = {};
adam@1375	3678 char *end = strchr(s, 0);
adam@1375	3679
adam@1375	3680 if (strptime(s, TIME_FMT_PG, &stm) == end \|\| strptime(s, TIME_FMT, &stm) == end) {
adam@1373	3681 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375	3682
adam@1375	3683 tzset();
adam@1374	3684 stm.tm_hour -= timezone / (60 * 60);
adam@1375	3685
adam@1374	3686 r->seconds = mktime(&stm);
adam@1373	3687 r->microseconds = 0;
adam@1373	3688
adam@1373	3689 return r;
adam@1374	3690 }
adam@1374	3691 else
adam@1373	3692 return NULL;
adam@1372	3693 }

Mercurial > urweb

annotate src/c/urweb.c @ 1375:f294173d87db