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

annotate src/c/urweb.c @ 1370:44a12a321150

queryString and effectfulUrl

author	Adam Chlipala <adam@chlipala.net>
date	Sun, 26 Dec 2010 17:29:03 -0500
parents	1a78ca089bd0
children	268d9af9103f

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

Mercurial > urweb

annotate src/c/urweb.c @ 1370:44a12a321150