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

annotate src/c/urweb.c @ 1039:8932f855fa85

grid0 working in IE

author	Adam Chlipala <adamc@hcoop.net>
date	Sun, 22 Nov 2009 15:30:15 -0500
parents	dcc6093e9575
children	a8a825861397

rev	line source
adamc@741	1 #define _XOPEN_SOURCE 500
adamc@436	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@102	12
adamc@667	13 #include <pthread.h>
adamc@667	14
adamc@102	15 #include "types.h"
adamc@102	16
adamc@311	17 uw_unit uw_unit_v = {};
adamc@102	18
adamc@667	19
adamc@667	20 // Socket extras
adamc@667	21
adamc@863	22 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667	23 while (len > 0) {
adamc@856	24 ssize_t n = send(sock, buf, len, 0);
adamc@856	25
adamc@856	26 if (n < 0)
adamc@856	27 return n;
adamc@856	28
adamc@856	29 buf += n;
adamc@856	30 len -= n;
adamc@856	31 }
adamc@856	32
adamc@856	33 return 0;
adamc@856	34 }
adamc@856	35
adamc@856	36 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856	37 while (len > 0) {
adamc@856	38 ssize_t n = write(fd, buf, len);
adamc@667	39
adamc@667	40 if (n < 0)
adamc@667	41 return n;
adamc@667	42
adamc@667	43 buf += n;
adamc@667	44 len -= n;
adamc@667	45 }
adamc@667	46
adamc@667	47 return 0;
adamc@667	48 }
adamc@667	49
adamc@667	50
adamc@667	51 // Buffers
adamc@667	52
adamc@667	53 typedef struct {
adamc@667	54 char start, front, *back;
adamc@667	55 } buf;
adamc@667	56
adamc@667	57 static void buf_init(buf *b, size_t s) {
adamc@667	58 b->front = b->start = malloc(s);
adamc@667	59 b->back = b->front + s;
adamc@667	60 }
adamc@667	61
adamc@667	62 static void buf_free(buf *b) {
adamc@667	63 free(b->start);
adamc@667	64 }
adamc@667	65
adamc@667	66 static void buf_reset(buf *b) {
adamc@667	67 b->front = b->start;
adamc@667	68 }
adamc@667	69
adamc@667	70 static void buf_check(buf *b, size_t extra) {
adamc@667	71 if (b->back - b->front < extra) {
adamc@667	72 size_t desired = b->front - b->start + extra, next;
adamc@667	73 char *new_heap;
adamc@667	74
adamc@667	75 next = b->back - b->start;
adamc@667	76 if (next == 0)
adamc@667	77 next = 1;
adamc@667	78 for (; next < desired; next *= 2);
adamc@667	79
adamc@667	80 new_heap = realloc(b->start, next);
adamc@667	81 b->front = new_heap + (b->front - b->start);
adamc@667	82 b->back = new_heap + next;
adamc@667	83 b->start = new_heap;
adamc@667	84 }
adamc@667	85 }
adamc@667	86
adamc@667	87 static size_t buf_used(buf *b) {
adamc@667	88 return b->front - b->start;
adamc@667	89 }
adamc@667	90
adamc@667	91 static size_t buf_avail(buf *b) {
adamc@667	92 return b->back - b->start;
adamc@667	93 }
adamc@667	94
adamc@668	95 static void buf_append(buf b, const char s, size_t len) {
adamc@672	96 buf_check(b, len+1);
adamc@668	97 memcpy(b->front, s, len);
adamc@668	98 b->front += len;
adamc@672	99 *b->front = 0;
adamc@668	100 }
adamc@667	101
adamc@668	102
adamc@672	103 // Persistent state types
adamc@667	104
adamc@667	105 typedef enum { UNUSED, USED } usage;
adamc@667	106
adamc@667	107 typedef struct client {
adamc@682	108 unsigned id;
adamc@667	109 usage mode;
adamc@682	110 int pass;
adamc@682	111 struct client *next;
adamc@689	112 pthread_mutex_t lock, pull_lock;
adamc@682	113 buf msgs;
adamc@682	114 int sock;
adamc@863	115 int (send)(int sockfd, const void buf, ssize_t len);
adamc@863	116 int (*close)(int fd);
adamc@682	117 time_t last_contact;
adamc@682	118 unsigned n_channels;
adamc@685	119 unsigned refcount;
adamc@667	120 } client;
adamc@667	121
adamc@672	122
adamc@672	123 // Persistent client state
adamc@672	124
adamc@682	125 static client *clients, clients_free, *clients_used;
adamc@682	126 static unsigned n_clients;
adamc@667	127
adamc@667	128 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667	129
adamc@682	130 static client *new_client() {
adamc@667	131 client *c;
adamc@667	132
adamc@667	133 pthread_mutex_lock(&clients_mutex);
adamc@667	134
adamc@667	135 if (clients_free) {
adamc@667	136 c = clients_free;
adamc@682	137 clients_free = clients_free->next;
adamc@667	138 }
adamc@667	139 else {
adamc@667	140 ++n_clients;
adamc@667	141 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667	142 c = malloc(sizeof(client));
adamc@667	143 c->id = n_clients-1;
adamc@682	144 pthread_mutex_init(&c->lock, NULL);
adamc@689	145 pthread_mutex_init(&c->pull_lock, NULL);
adamc@682	146 buf_init(&c->msgs, 0);
adamc@667	147 clients[n_clients-1] = c;
adamc@667	148 }
adamc@667	149
adamc@682	150 pthread_mutex_lock(&c->lock);
adamc@667	151 c->mode = USED;
adamc@682	152 c->pass = rand();
adamc@682	153 c->sock = -1;
adamc@682	154 c->last_contact = time(NULL);
adamc@682	155 buf_reset(&c->msgs);
adamc@682	156 c->n_channels = 0;
adamc@685	157 c->refcount = 0;
adamc@682	158 pthread_mutex_unlock(&c->lock);
adamc@682	159
adamc@682	160 c->next = clients_used;
adamc@682	161 clients_used = c;
adamc@667	162
adamc@667	163 pthread_mutex_unlock(&clients_mutex);
adamc@667	164
adamc@667	165 return c;
adamc@667	166 }
adamc@667	167
adamc@685	168 static void use_client(client *c) {
adamc@685	169 pthread_mutex_lock(&c->lock);
adamc@685	170 ++c->refcount;
adamc@685	171 pthread_mutex_unlock(&c->lock);
adamc@689	172 pthread_mutex_lock(&c->pull_lock);
adamc@685	173 }
adamc@685	174
adamc@685	175 static void release_client(client *c) {
adamc@689	176 pthread_mutex_unlock(&c->pull_lock);
adamc@685	177 pthread_mutex_lock(&c->lock);
adamc@685	178 --c->refcount;
adamc@685	179 pthread_mutex_unlock(&c->lock);
adamc@689	180
adamc@685	181 }
adamc@685	182
adamc@856	183 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667	184
adamc@682	185 static client *find_client(unsigned id) {
adamc@667	186 client *c;
adamc@667	187
adamc@667	188 pthread_mutex_lock(&clients_mutex);
adamc@667	189
adamc@667	190 if (id >= n_clients) {
adamc@667	191 pthread_mutex_unlock(&clients_mutex);
adamc@668	192 return NULL;
adamc@667	193 }
adamc@667	194
adamc@667	195 c = clients[id];
adamc@667	196
adamc@668	197 pthread_mutex_unlock(&clients_mutex);
adamc@668	198 return c;
adamc@668	199 }
adamc@668	200
adamc@856	201 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@856	202
adamc@856	203 void uw_set_on_success(char *s) {
adamc@856	204 on_success = s;
adamc@856	205 }
adamc@856	206
adamc@863	207 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863	208 int (send)(int sockfd, const void buf, ssize_t len),
adamc@864	209 int (*close)(int fd),
adamc@864	210 void *logger_data, uw_logger log_error) {
adamc@682	211 client *c = find_client(id);
adamc@668	212
adamc@668	213 if (c == NULL) {
adamc@667	214 close(sock);
adamc@864	215 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667	216 return;
adamc@667	217 }
adamc@667	218
adamc@682	219 pthread_mutex_lock(&c->lock);
adamc@671	220
adamc@682	221 if (c->mode != USED) {
adamc@682	222 pthread_mutex_unlock(&c->lock);
adamc@667	223 close(sock);
adamc@864	224 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667	225 return;
adamc@667	226 }
adamc@667	227
adamc@682	228 if (pass != c->pass) {
adamc@682	229 pthread_mutex_unlock(&c->lock);
adamc@682	230 close(sock);
adamc@864	231 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682	232 return;
adamc@667	233 }
adamc@667	234
adamc@682	235 if (c->sock != -1) {
adamc@863	236 c->close(c->sock);
adamc@682	237 c->sock = -1;
adamc@682	238 }
adamc@667	239
adamc@682	240 c->last_contact = time(NULL);
adamc@682	241
adamc@682	242 if (buf_used(&c->msgs) > 0) {
adamc@863	243 send(sock, on_success, strlen(on_success));
adamc@863	244 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863	245 send(sock, c->msgs.start, buf_used(&c->msgs));
adamc@682	246 buf_reset(&c->msgs);
adamc@667	247 close(sock);
adamc@667	248 }
adamc@863	249 else {
adamc@682	250 c->sock = sock;
adamc@863	251 c->send = send;
adamc@863	252 c->close = close;
adamc@863	253 }
adamc@667	254
adamc@682	255 pthread_mutex_unlock(&c->lock);
adamc@667	256 }
adamc@667	257
adamc@682	258 static void free_client(client *c) {
adamc@682	259 c->mode = UNUSED;
adamc@682	260 c->pass = -1;
adamc@667	261
adamc@682	262 c->next = clients_free;
adamc@682	263 clients_free = c;
adamc@667	264 }
adamc@667	265
adamc@682	266 static uw_Basis_channel new_channel(client *c) {
adamc@682	267 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668	268 return ch;
adamc@668	269 }
adamc@668	270
adamc@685	271 static void client_send(client c, buf msg) {
adamc@685	272 pthread_mutex_lock(&c->lock);
adamc@671	273
adamc@682	274 if (c->sock != -1) {
adamc@863	275 c->send(c->sock, on_success, strlen(on_success));
adamc@863	276 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863	277 c->send(c->sock, msg->start, buf_used(msg));
adamc@863	278 c->close(c->sock);
adamc@682	279 c->sock = -1;
adamc@682	280 } else
adamc@682	281 buf_append(&c->msgs, msg->start, buf_used(msg));
adamc@671	282
adamc@685	283 pthread_mutex_unlock(&c->lock);
adamc@668	284 }
adamc@668	285
adamc@668	286
adamc@668	287 // Global entry points
adamc@668	288
adamc@866	289 extern void uw_client_init();
adamc@866	290
adamc@668	291 void uw_global_init() {
adamc@668	292 srand(time(NULL) ^ getpid());
adamc@668	293
adamc@668	294 clients = malloc(0);
adamc@866	295
adamc@866	296 uw_client_init();
adamc@668	297 }
adamc@668	298
adamc@668	299
adamc@667	300 // Single-request state
adamc@667	301
adamc@167	302 #define ERROR_BUF_LEN 1024
adamc@167	303
adamc@323	304 typedef struct regions {
adamc@323	305 struct regions *next;
adamc@323	306 } regions;
adamc@323	307
adamc@425	308 typedef struct {
adamc@425	309 void (func)(void);
adamc@425	310 void *arg;
adamc@425	311 } cleanup;
adamc@425	312
adamc@671	313 typedef struct {
adamc@682	314 unsigned client;
adamc@671	315 buf msgs;
adamc@682	316 } delta;
adamc@671	317
adamc@737	318 typedef enum {
adamc@759	319 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737	320 } input_kind;
adamc@737	321
adamc@756	322 typedef struct input {
adamc@737	323 input_kind kind;
adamc@737	324 union {
adamc@737	325 char *normal;
adamc@739	326 uw_Basis_file file;
adamc@756	327 struct {
adamc@759	328 struct input fields, parent;
adamc@756	329 } subform;
adamc@759	330 struct {
adamc@759	331 struct input entries, parent;
adamc@759	332 } subforms;
adamc@759	333 struct {
adamc@759	334 struct input fields, next, *parent;
adamc@759	335 } entry;
adamc@737	336 } data;
adamc@737	337 } input;
adamc@737	338
adamc@771	339 typedef struct {
adamc@771	340 void *data;
adamc@771	341 uw_callback commit, rollback, free;
adamc@771	342 } transactional;
adamc@771	343
adamc@311	344 struct uw_context {
adamc@854	345 char (get_header)(void , const char );
adamc@854	346 void *get_header_data;
adamc@457	347
adamc@666	348 buf outHeaders, page, heap, script;
adamc@921	349 int returning_blob;
adamc@759	350 input inputs, subinputs, *cur_container;
adamc@756	351 size_t n_subinputs, used_subinputs;
adamc@167	352
adamc@565	353 int source_count;
adamc@562	354
adamc@272	355 void *db;
adamc@272	356
adamc@167	357 jmp_buf jmp_buf;
adamc@167	358
adamc@323	359 regions *regions;
adamc@323	360
adamc@425	361 cleanup cleanup, cleanup_front, *cleanup_back;
adamc@425	362
adamc@667	363 const char script_header, url_prefix;
adamc@643	364
adamc@736	365 int needs_push, needs_sig;
adamc@693	366
adamc@682	367 size_t n_deltas, used_deltas;
adamc@682	368 delta *deltas;
adamc@671	369
adamc@673	370 int timeout;
adamc@673	371
adamc@682	372 client *client;
adamc@682	373
adamc@771	374 transactional *transactionals;
adamc@771	375 size_t n_transactionals, used_transactionals;
adamc@771	376
adamc@167	377 char error_message[ERROR_BUF_LEN];
adamc@117	378 };
adamc@117	379
adamc@683	380 extern int uw_inputs_len, uw_timeout;
adamc@144	381
adamc@687	382 uw_context uw_init() {
adamc@311	383 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136	384
adamc@854	385 ctx->get_header = NULL;
adamc@854	386 ctx->get_header_data = NULL;
adamc@457	387
adamc@687	388 buf_init(&ctx->outHeaders, 0);
adamc@687	389 buf_init(&ctx->page, 0);
adamc@921	390 ctx->returning_blob = 0;
adamc@687	391 buf_init(&ctx->heap, 0);
adamc@698	392 buf_init(&ctx->script, 1);
adamc@667	393 ctx->script.start[0] = 0;
adamc@136	394
adamc@737	395 ctx->inputs = calloc(uw_inputs_len, sizeof(input));
adamc@759	396 ctx->cur_container = NULL;
adamc@756	397 ctx->subinputs = malloc(0);
adamc@756	398 ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144	399
adamc@272	400 ctx->db = NULL;
adamc@272	401
adamc@323	402 ctx->regions = NULL;
adamc@323	403
adamc@425	404 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425	405
adamc@643	406 ctx->script_header = "";
adamc@667	407 ctx->url_prefix = "/";
adamc@693	408 ctx->needs_push = 0;
adamc@736	409 ctx->needs_sig = 0;
adamc@643	410
adamc@167	411 ctx->error_message[0] = 0;
adamc@167	412
adamc@565	413 ctx->source_count = 0;
adamc@562	414
adamc@682	415 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671	416 ctx->deltas = malloc(0);
adamc@671	417
adamc@673	418 ctx->timeout = uw_timeout;
adamc@673	419
adamc@700	420 ctx->client = NULL;
adamc@700	421
adamc@700	422 ctx->error_message[0] = 0;
adamc@700	423
adamc@771	424 ctx->transactionals = malloc(0);
adamc@771	425 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771	426
adamc@117	427 return ctx;
adamc@106	428 }
adamc@106	429
adamc@311	430 void uw_set_db(uw_context ctx, void *db) {
adamc@272	431 ctx->db = db;
adamc@272	432 }
adamc@272	433
adamc@311	434 void *uw_get_db(uw_context ctx) {
adamc@272	435 return ctx->db;
adamc@272	436 }
adamc@272	437
adamc@311	438 void uw_free(uw_context ctx) {
adamc@671	439 size_t i;
adamc@671	440
adamc@666	441 buf_free(&ctx->outHeaders);
adamc@666	442 buf_free(&ctx->script);
adamc@666	443 buf_free(&ctx->page);
adamc@666	444 buf_free(&ctx->heap);
adamc@144	445 free(ctx->inputs);
adamc@756	446 free(ctx->subinputs);
adamc@425	447 free(ctx->cleanup);
adamc@771	448 free(ctx->transactionals);
adamc@671	449
adamc@682	450 for (i = 0; i < ctx->n_deltas; ++i)
adamc@671	451 buf_free(&ctx->deltas[i].msgs);
adamc@671	452
adamc@136	453 free(ctx);
adamc@136	454 }
adamc@136	455
adamc@562	456 void uw_reset_keep_error_message(uw_context ctx) {
adamc@756	457 size_t i;
adamc@756	458
adamc@666	459 buf_reset(&ctx->outHeaders);
adamc@666	460 buf_reset(&ctx->script);
adamc@667	461 ctx->script.start[0] = 0;
adamc@666	462 buf_reset(&ctx->page);
adamc@921	463 ctx->returning_blob = 0;
adamc@666	464 buf_reset(&ctx->heap);
adamc@323	465 ctx->regions = NULL;
adamc@425	466 ctx->cleanup_front = ctx->cleanup;
adamc@565	467 ctx->source_count = 0;
adamc@682	468 ctx->used_deltas = 0;
adamc@682	469 ctx->client = NULL;
adamc@759	470 ctx->cur_container = NULL;
adamc@771	471 ctx->used_transactionals = 0;
adamc@167	472 }
adamc@167	473
adamc@562	474 void uw_reset_keep_request(uw_context ctx) {
adamc@562	475 uw_reset_keep_error_message(ctx);
adamc@562	476 ctx->error_message[0] = 0;
adamc@167	477 }
adamc@167	478
adamc@311	479 void uw_reset(uw_context ctx) {
adamc@311	480 uw_reset_keep_request(ctx);
adamc@737	481 memset(ctx->inputs, 0, uw_inputs_len * sizeof(input));
adamc@756	482 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756	483 ctx->used_subinputs = 0;
adamc@144	484 }
adamc@144	485
adamc@311	486 void uw_db_init(uw_context);
adamc@311	487 void uw_handle(uw_context, char *);
adamc@167	488
adamc@311	489 failure_kind uw_begin_init(uw_context ctx) {
adamc@272	490 int r = setjmp(ctx->jmp_buf);
adamc@272	491
adamc@272	492 if (r == 0)
adamc@311	493 uw_db_init(ctx);
adamc@272	494
adamc@272	495 return r;
adamc@272	496 }
adamc@272	497
adamc@854	498 void uw_set_headers(uw_context ctx, char (get_header)(void , const char ), void *get_header_data) {
adamc@854	499 ctx->get_header = get_header;
adamc@854	500 ctx->get_header_data = get_header_data;
adamc@742	501 }
adamc@742	502
adamc@671	503 int uw_db_begin(uw_context);
adamc@167	504
adamc@801	505 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801	506 va_list ap;
adamc@801	507 va_start(ap, fmt);
adamc@801	508
adamc@801	509 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801	510 }
adamc@801	511
adamc@311	512 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425	513 cleanup *cl;
adamc@425	514
adamc@167	515 va_list ap;
adamc@167	516 va_start(ap, fmt);
adamc@167	517
adamc@167	518 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167	519
adamc@425	520 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425	521 cl->func(cl->arg);
adamc@425	522
adamc@425	523 ctx->cleanup_front = ctx->cleanup;
adamc@425	524
adamc@190	525 longjmp(ctx->jmp_buf, fk);
adamc@167	526 }
adamc@167	527
adamc@425	528 void uw_push_cleanup(uw_context ctx, void (func)(void ), void *arg) {
adamc@425	529 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425	530 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425	531 if (len == 0)
adamc@425	532 newLen = 1;
adamc@425	533 else
adamc@428	534 newLen = len * 2;
adamc@470	535 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425	536 ctx->cleanup_front = ctx->cleanup + len;
adamc@425	537 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425	538 }
adamc@425	539
adamc@425	540 ctx->cleanup_front->func = func;
adamc@425	541 ctx->cleanup_front->arg = arg;
adamc@425	542 ++ctx->cleanup_front;
adamc@425	543 }
adamc@425	544
adamc@682	545 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854	546 return ctx->get_header(ctx->get_header_data, h);
adamc@682	547 }
adamc@682	548
adamc@682	549 void uw_login(uw_context ctx) {
adamc@693	550 if (ctx->needs_push) {
adamc@682	551 char id_s, pass_s;
adamc@682	552
adamc@682	553 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682	554 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682	555 unsigned id = atoi(id_s);
adamc@682	556 int pass = atoi(pass_s);
adamc@682	557 client *c = find_client(id);
adamc@682	558
adamc@682	559 if (c == NULL)
adamc@682	560 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682	561 else {
adamc@685	562 use_client(c);
adamc@682	563 ctx->client = c;
adamc@682	564
adamc@682	565 if (c->mode != USED)
adamc@682	566 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682	567 if (c->pass != pass)
adamc@682	568 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682	569 }
adamc@682	570 } else {
adamc@682	571 client *c = new_client();
adamc@685	572 use_client(c);
adamc@682	573 ctx->client = c;
adamc@864	574 }
adamc@682	575 }
adamc@682	576 }
adamc@682	577
adamc@671	578 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671	579 int r = setjmp(ctx->jmp_buf);
adamc@671	580
adamc@671	581 if (r == 0) {
adamc@671	582 if (uw_db_begin(ctx))
adamc@671	583 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682	584
adamc@671	585 uw_handle(ctx, path);
adamc@671	586 }
adamc@671	587
adamc@671	588 return r;
adamc@671	589 }
adamc@671	590
adamc@772	591 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682	592 if (ctx->client == NULL)
adamc@682	593 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682	594
adamc@682	595 return ctx->client->id;
adamc@682	596 }
adamc@682	597
adamc@425	598 void uw_pop_cleanup(uw_context ctx) {
adamc@425	599 if (ctx->cleanup_front == ctx->cleanup)
adamc@425	600 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425	601
adamc@425	602 --ctx->cleanup_front;
adamc@425	603 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425	604 }
adamc@425	605
adamc@311	606 char *uw_error_message(uw_context ctx) {
adamc@167	607 return ctx->error_message;
adamc@167	608 }
adamc@167	609
adamc@737	610 extern int uw_input_num(const char*);
adamc@144	611
adamc@759	612 static input *INP(uw_context ctx) {
adamc@759	613 if (ctx->cur_container == NULL)
adamc@759	614 return ctx->inputs;
adamc@759	615 else if (ctx->cur_container->kind == SUBFORM)
adamc@759	616 return ctx->cur_container->data.subform.fields;
adamc@759	617 else if (ctx->cur_container->kind == ENTRY)
adamc@759	618 return ctx->cur_container->data.entry.fields;
adamc@759	619 else
adamc@760	620 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759	621 }
adamc@759	622
adamc@760	623 static void adjust_pointer(input *ptr, input old_start, input *new_start, size_t len) {
adamc@760	624 if (ptr != NULL && ptr >= old_start && *ptr < old_start + len)
adamc@760	625 *ptr += new_start - old_start;
adamc@760	626 }
adamc@760	627
adamc@760	628 static void adjust_input(input x, input old_start, input *new_start, size_t len) {
adamc@759	629 switch (x->kind) {
adamc@759	630 case SUBFORM:
adamc@760	631 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760	632 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759	633 break;
adamc@759	634 case SUBFORMS:
adamc@760	635 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760	636 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759	637 break;
adamc@759	638 case ENTRY:
adamc@760	639 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760	640 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760	641 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@759	642 }
adamc@759	643 }
adamc@759	644
adamc@759	645 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759	646 size_t i;
adamc@759	647 input *r;
adamc@759	648
adamc@759	649 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@759	650 input new_subinputs = realloc(ctx->subinputs, sizeof(input) (ctx->used_subinputs + len));
adamc@759	651 size_t offset = new_subinputs - ctx->subinputs;
adamc@759	652
adamc@760	653 if (ctx->subinputs != new_subinputs) {
adamc@760	654 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760	655 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	656 for (i = 0; i < uw_inputs_len; ++i)
adamc@760	657 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	658
adamc@760	659 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	660
adamc@760	661 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760	662 ctx->subinputs = new_subinputs;
adamc@760	663 }
adamc@759	664 }
adamc@759	665
adamc@759	666 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759	667
adamc@759	668 for (i = 0; i < len; ++i)
adamc@759	669 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759	670
adamc@759	671 return r;
adamc@759	672 }
adamc@756	673
adamc@801	674 int uw_set_input(uw_context ctx, const char name, char value) {
adamc@1038	675 printf("Input name %s\n", name);
adamc@1038	676
adamc@756	677 if (!strcasecmp(name, ".b")) {
adamc@756	678 int n = uw_input_num(value);
adamc@756	679 input *inps;
adamc@756	680
adamc@801	681 if (n < 0) {
adamc@801	682 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801	683 return -1;
adamc@801	684 }
adamc@801	685
adamc@801	686 if (n >= uw_inputs_len) {
adamc@801	687 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801	688 return -1;
adamc@801	689 }
adamc@756	690
adamc@759	691 inps = check_input_space(ctx, uw_inputs_len);
adamc@759	692
adamc@759	693 INP(ctx)[n].kind = SUBFORM;
adamc@759	694 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759	695 INP(ctx)[n].data.subform.fields = inps;
adamc@759	696 ctx->cur_container = &INP(ctx)[n];
adamc@756	697 } else if (!strcasecmp(name, ".e")) {
adamc@756	698 input *tmp;
adamc@756	699
adamc@801	700 if (ctx->cur_container == NULL) {
adamc@801	701 uw_set_error(ctx, "Unmatched subform closer");
adamc@801	702 return -1;
adamc@801	703 }
adamc@756	704
adamc@759	705 tmp = ctx->cur_container;
adamc@759	706 switch (tmp->kind) {
adamc@759	707 case SUBFORM:
adamc@759	708 ctx->cur_container = tmp->data.subform.parent;
adamc@759	709 tmp->data.subform.parent = NULL;
adamc@759	710 break;
adamc@759	711 case SUBFORMS:
adamc@759	712 ctx->cur_container = tmp->data.subforms.parent;
adamc@759	713 tmp->data.subforms.parent = NULL;
adamc@759	714 break;
adamc@759	715 case ENTRY:
adamc@759	716 ctx->cur_container = tmp->data.entry.parent;
adamc@759	717 break;
adamc@759	718 default:
adamc@801	719 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801	720 return -1;
adamc@759	721 }
adamc@759	722 } else if (!strcasecmp(name, ".s")) {
adamc@759	723 int n = uw_input_num(value);
adamc@759	724
adamc@801	725 if (n < 0) {
adamc@801	726 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801	727 return -1;
adamc@801	728 }
adamc@801	729
adamc@801	730 if (n >= uw_inputs_len) {
adamc@801	731 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801	732 return -1;
adamc@801	733 }
adamc@759	734
adamc@759	735 INP(ctx)[n].kind = SUBFORMS;
adamc@759	736 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	737 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759	738 ctx->cur_container = &INP(ctx)[n];
adamc@759	739 } else if (!strcasecmp(name, ".i")) {
adamc@759	740 input *inps;
adamc@759	741
adamc@801	742 if (!ctx->cur_container) {
adamc@801	743 uw_set_error(ctx, "New entry without container");
adamc@801	744 return -1;
adamc@801	745 }
adamc@801	746
adamc@801	747 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801	748 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801	749 return -1;
adamc@801	750 }
adamc@759	751
adamc@759	752 inps = check_input_space(ctx, uw_inputs_len + 1);
adamc@759	753
adamc@759	754 inps->kind = ENTRY;
adamc@759	755 inps->data.entry.parent = ctx->cur_container;
adamc@759	756 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759	757 ctx->cur_container->data.subforms.entries = inps;
adamc@759	758
adamc@759	759 inps->data.entry.fields = inps+1;
adamc@759	760 ctx->cur_container = inps;
adamc@756	761 } else {
adamc@756	762 int n = uw_input_num(name);
adamc@756	763
adamc@801	764 if (n < 0) {
adamc@1038	765 if (!strcmp(name, "null"))
adamc@1038	766 return 0;
adamc@801	767 uw_set_error(ctx, "Bad input name %s", name);
adamc@801	768 return -1;
adamc@801	769 }
adamc@801	770
adamc@801	771 if (n >= uw_inputs_len) {
adamc@801	772 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801	773 return -1;
adamc@801	774 }
adamc@756	775
adamc@756	776 INP(ctx)[n].kind = NORMAL;
adamc@756	777 INP(ctx)[n].data.normal = value;
adamc@756	778 }
adamc@801	779
adamc@801	780 return 0;
adamc@144	781 }
adamc@144	782
adamc@311	783 char *uw_get_input(uw_context ctx, int n) {
adamc@169	784 if (n < 0)
adamc@311	785 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311	786 if (n >= uw_inputs_len)
adamc@311	787 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	788
adamc@756	789 switch (INP(ctx)[n].kind) {
adamc@737	790 case UNSET:
adamc@737	791 return NULL;
adamc@739	792 case FIL:
adamc@739	793 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	794 case SUBFORM:
adamc@756	795 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	796 case SUBFORMS:
adamc@759	797 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	798 case ENTRY:
adamc@759	799 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	800 case NORMAL:
adamc@756	801 return INP(ctx)[n].data.normal;
adamc@737	802 default:
adamc@737	803 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	804 }
adamc@138	805 }
adamc@138	806
adamc@311	807 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190	808 if (n < 0)
adamc@311	809 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311	810 if (n >= uw_inputs_len)
adamc@311	811 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	812
adamc@756	813 switch (INP(ctx)[n].kind) {
adamc@737	814 case UNSET:
adamc@737	815 return "";
adamc@739	816 case FIL:
adamc@739	817 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	818 case SUBFORM:
adamc@756	819 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	820 case SUBFORMS:
adamc@759	821 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	822 case ENTRY:
adamc@759	823 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	824 case NORMAL:
adamc@756	825 return INP(ctx)[n].data.normal;
adamc@737	826 default:
adamc@737	827 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	828 }
adamc@737	829 }
adamc@737	830
adamc@801	831 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@737	832 int n = uw_input_num(name);
adamc@737	833
adamc@801	834 if (n < 0) {
adamc@801	835 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801	836 return -1;
adamc@801	837 }
adamc@801	838
adamc@801	839 if (n >= uw_inputs_len) {
adamc@801	840 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801	841 return -1;
adamc@801	842 }
adamc@737	843
adamc@739	844 ctx->inputs[n].kind = FIL;
adamc@739	845 ctx->inputs[n].data.file = f;
adamc@801	846
adamc@801	847 return 0;
adamc@737	848 }
adamc@737	849
adamc@739	850 void *uw_malloc(uw_context ctx, size_t len);
adamc@739	851
adamc@760	852
adamc@760	853 static void parents(input *inp) {
adamc@760	854 printf("Stack: %p\n", inp);
adamc@760	855 while (inp) {
adamc@760	856 switch (inp->kind) {
adamc@760	857 case NORMAL:
adamc@760	858 printf("Normal(%p)\n", inp);
adamc@760	859 break;
adamc@760	860 case FIL:
adamc@760	861 printf("File(%p)\n", inp);
adamc@760	862 break;
adamc@760	863 case SUBFORM:
adamc@760	864 printf("Subform; fields = %p\n", inp->data.subform.fields);
adamc@760	865 inp = inp->data.subform.parent;
adamc@760	866 break;
adamc@760	867 case SUBFORMS:
adamc@760	868 printf("Subforms; entries = %p\n", inp->data.subforms.entries);
adamc@760	869 inp = inp->data.subforms.parent;
adamc@760	870 break;
adamc@760	871 case ENTRY:
adamc@760	872 printf("Entry; fields = %p; next = %p\n", inp->data.entry.fields, inp->data.entry.next);
adamc@760	873 inp = inp->data.entry.parent;
adamc@760	874 break;
adamc@760	875 default:
adamc@760	876 inp = NULL;
adamc@760	877 }
adamc@760	878 }
adamc@760	879 }
adamc@760	880
adamc@739	881 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737	882 if (n < 0)
adamc@737	883 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@737	884 if (n >= uw_inputs_len)
adamc@737	885 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737	886
adamc@756	887 switch (INP(ctx)[n].kind) {
adamc@737	888 case UNSET:
adamc@737	889 {
adamc@739	890 char *data = uw_malloc(ctx, 0);
adamc@740	891 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739	892 return f;
adamc@737	893 }
adamc@739	894 case FIL:
adamc@756	895 return INP(ctx)[n].data.file;
adamc@737	896 case NORMAL:
adamc@737	897 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756	898 case SUBFORM:
adamc@756	899 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759	900 case SUBFORMS:
adamc@759	901 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759	902 case ENTRY:
adamc@759	903 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737	904 default:
adamc@737	905 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	906 }
adamc@190	907 }
adamc@190	908
adamc@756	909 void uw_enter_subform(uw_context ctx, int n) {
adamc@756	910 if (n < 0)
adamc@756	911 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@756	912 if (n >= uw_inputs_len)
adamc@756	913 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756	914
adamc@756	915 switch (INP(ctx)[n].kind) {
adamc@756	916 case UNSET:
adamc@756	917 uw_error(ctx, FATAL, "Missing subform");
adamc@756	918 case FIL:
adamc@756	919 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756	920 case NORMAL:
adamc@756	921 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759	922 case SUBFORMS:
adamc@759	923 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759	924 case ENTRY:
adamc@759	925 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756	926 case SUBFORM:
adamc@759	927 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760	928 ctx->cur_container = &INP(ctx)[n];
adamc@756	929 return;
adamc@756	930 default:
adamc@756	931 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756	932 }
adamc@756	933 }
adamc@756	934
adamc@756	935 void uw_leave_subform(uw_context ctx) {
adamc@756	936 input *tmp;
adamc@756	937
adamc@759	938 if (ctx->cur_container == NULL)
adamc@756	939 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756	940
adamc@759	941 tmp = ctx->cur_container;
adamc@759	942 ctx->cur_container = tmp->data.subform.parent;
adamc@759	943 tmp->data.subform.parent = NULL;
adamc@759	944 }
adamc@759	945
adamc@759	946 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759	947 input *inps;
adamc@759	948
adamc@759	949 if (n < 0)
adamc@759	950 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@759	951 if (n >= uw_inputs_len)
adamc@759	952 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759	953
adamc@759	954 switch (INP(ctx)[n].kind) {
adamc@759	955 case UNSET:
adamc@759	956 uw_error(ctx, FATAL, "Missing subforms");
adamc@759	957 case FIL:
adamc@759	958 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759	959 case NORMAL:
adamc@759	960 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759	961 case SUBFORM:
adamc@759	962 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759	963 case ENTRY:
adamc@759	964 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759	965 case SUBFORMS:
adamc@759	966 inps = INP(ctx)[n].data.subforms.entries;
adamc@759	967 if (inps) {
adamc@759	968 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	969 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759	970 return 1;
adamc@759	971 } else
adamc@759	972 return 0;
adamc@759	973 default:
adamc@759	974 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	975 }
adamc@759	976 }
adamc@759	977
adamc@759	978 int uw_next_entry(uw_context ctx) {
adamc@759	979 if (ctx->cur_container == NULL)
adamc@759	980 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759	981
adamc@759	982 switch (ctx->cur_container->kind) {
adamc@759	983 case UNSET:
adamc@759	984 uw_error(ctx, FATAL, "Missing entry");
adamc@759	985 case FIL:
adamc@759	986 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759	987 case NORMAL:
adamc@759	988 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759	989 case SUBFORM:
adamc@759	990 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759	991 case SUBFORMS:
adamc@759	992 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759	993 case ENTRY:
adamc@759	994 if (ctx->cur_container->data.entry.next) {
adamc@759	995 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759	996 return 1;
adamc@759	997 } else {
adamc@759	998 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759	999 return 0;
adamc@759	1000 }
adamc@759	1001 default:
adamc@759	1002 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1003 }
adamc@756	1004 }
adamc@756	1005
adamc@643	1006 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643	1007 ctx->script_header = s;
adamc@643	1008 }
adamc@643	1009
adamc@667	1010 void uw_set_url_prefix(uw_context ctx, const char *s) {
adamc@667	1011 ctx->url_prefix = s;
adamc@667	1012 }
adamc@667	1013
adamc@693	1014 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693	1015 ctx->needs_push = n;
adamc@693	1016 }
adamc@693	1017
adamc@736	1018 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736	1019 ctx->needs_sig = n;
adamc@736	1020 }
adamc@736	1021
adamc@667	1022
adamc@667	1023 static void buf_check_ctx(uw_context ctx, buf b, size_t extra, const char desc) {
adamc@666	1024 if (b->back - b->front < extra) {
adamc@666	1025 size_t desired = b->front - b->start + extra, next;
adamc@136	1026 char *new_heap;
adamc@136	1027
adamc@666	1028 next = b->back - b->start;
adamc@317	1029 if (next == 0)
adamc@317	1030 next = 1;
adamc@317	1031 for (; next < desired; next *= 2);
adamc@136	1032
adamc@666	1033 new_heap = realloc(b->start, next);
adamc@666	1034 b->front = new_heap + (b->front - b->start);
adamc@666	1035 b->back = new_heap + next;
adamc@136	1036
adamc@667	1037 if (new_heap != b->start) {
adamc@666	1038 b->start = new_heap;
adamc@666	1039 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136	1040 }
adamc@136	1041
adamc@666	1042 b->start = new_heap;
adamc@136	1043 }
adamc@136	1044 }
adamc@136	1045
adamc@832	1046 void uw_check_heap(uw_context ctx, size_t extra) {
adamc@667	1047 buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
adamc@666	1048 }
adamc@666	1049
adamc@832	1050 char *uw_heap_front(uw_context ctx) {
adamc@832	1051 return ctx->heap.front;
adamc@832	1052 }
adamc@832	1053
adamc@832	1054 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832	1055 ctx->heap.front = fr;
adamc@832	1056 }
adamc@832	1057
adamc@311	1058 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136	1059 void *result;
adamc@136	1060
adamc@311	1061 uw_check_heap(ctx, len);
adamc@136	1062
adamc@666	1063 result = ctx->heap.front;
adamc@666	1064 ctx->heap.front += len;
adamc@136	1065 return result;
adamc@117	1066 }
adamc@117	1067
adamc@323	1068 void uw_begin_region(uw_context ctx) {
adamc@666	1069 regions r = (regions ) ctx->heap.front;
adamc@323	1070
adamc@323	1071 uw_check_heap(ctx, sizeof(regions));
adamc@323	1072
adamc@666	1073 ctx->heap.front += sizeof(regions);
adamc@323	1074
adamc@323	1075 r->next = ctx->regions;
adamc@323	1076 ctx->regions = r;
adamc@323	1077 }
adamc@323	1078
adamc@323	1079 void uw_end_region(uw_context ctx) {
adamc@323	1080 regions *r = ctx->regions;
adamc@323	1081
adamc@323	1082 if (r == NULL)
adamc@323	1083 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323	1084
adamc@666	1085 ctx->heap.front = (char *) r;
adamc@323	1086 ctx->regions = r->next;
adamc@323	1087 }
adamc@323	1088
adamc@324	1089 void uw_memstats(uw_context ctx) {
adamc@666	1090 printf("Headers: %d/%d\n", buf_used(&ctx->outHeaders), buf_avail(&ctx->outHeaders));
adamc@666	1091 printf("Script: %d/%d\n", buf_used(&ctx->script), buf_avail(&ctx->script));
adamc@666	1092 printf("Page: %d/%d\n", buf_used(&ctx->page), buf_avail(&ctx->page));
adamc@666	1093 printf("Heap: %d/%d\n", buf_used(&ctx->heap), buf_avail(&ctx->heap));
adamc@324	1094 }
adamc@324	1095
adamc@311	1096 int uw_send(uw_context ctx, int sock) {
adamc@666	1097 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462	1098
adamc@462	1099 if (n < 0)
adamc@462	1100 return n;
adamc@462	1101
adamc@462	1102 n = uw_really_send(sock, "\r\n", 2);
adamc@462	1103
adamc@462	1104 if (n < 0)
adamc@462	1105 return n;
adamc@462	1106
adamc@666	1107 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462	1108 }
adamc@462	1109
adamc@856	1110 int uw_print(uw_context ctx, int fd) {
adamc@856	1111 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856	1112
adamc@856	1113 if (n < 0)
adamc@856	1114 return n;
adamc@856	1115
adamc@856	1116 n = uw_really_write(fd, "\r\n", 2);
adamc@856	1117
adamc@856	1118 if (n < 0)
adamc@856	1119 return n;
adamc@856	1120
adamc@856	1121 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856	1122 }
adamc@856	1123
adamc@860	1124 int uw_output(uw_context ctx, int (output)(void data, char buf, size_t len), void data) {
adamc@860	1125 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860	1126
adamc@860	1127 if (n < 0)
adamc@860	1128 return n;
adamc@860	1129
adamc@860	1130 n = output(data, "\r\n", 2);
adamc@860	1131
adamc@860	1132 if (n < 0)
adamc@860	1133 return n;
adamc@860	1134
adamc@860	1135 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860	1136 }
adamc@860	1137
adamc@462	1138 static void uw_check_headers(uw_context ctx, size_t extra) {
adamc@667	1139 buf_check(&ctx->outHeaders, extra);
adamc@462	1140 }
adamc@462	1141
adamc@462	1142 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462	1143 int len = strlen(s);
adamc@462	1144
adamc@462	1145 uw_check_headers(ctx, len + 1);
adamc@666	1146 strcpy(ctx->outHeaders.front, s);
adamc@666	1147 ctx->outHeaders.front += len;
adamc@562	1148 }
adamc@562	1149
adamc@562	1150 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@667	1151 buf_check(&ctx->script, extra);
adamc@562	1152 }
adamc@562	1153
adamc@562	1154 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562	1155 int len = strlen(s);
adamc@562	1156
adamc@562	1157 uw_check_script(ctx, len + 1);
adamc@666	1158 strcpy(ctx->script.front, s);
adamc@666	1159 ctx->script.front += len;
adamc@562	1160 }
adamc@562	1161
adamc@645	1162 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916	1163 return "<sc>";
adamc@565	1164 }
adamc@565	1165
adamc@695	1166 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695	1167 if (s[0] == 0)
adamc@695	1168 return "";
adamc@695	1169 else {
adamc@695	1170 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695	1171 sprintf(r, " onload='%s'", s);
adamc@695	1172 return r;
adamc@695	1173 }
adamc@695	1174 }
adamc@695	1175
adamc@736	1176 extern uw_Basis_string uw_cookie_sig(uw_context);
adamc@736	1177
adamc@694	1178 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736	1179 if (ctx->client == NULL) {
adamc@736	1180 if (ctx->needs_sig) {
adamc@736	1181 char *sig = uw_cookie_sig(ctx);
adamc@736	1182 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736	1183 sprintf(r, "sig=\"%s\";", sig);
adamc@736	1184 return r;
adamc@736	1185 }
adamc@736	1186 else
adamc@736	1187 return "";
adamc@736	1188 } else {
adamc@736	1189 char *sig = ctx->needs_sig ? uw_cookie_sig(ctx) : "";
adamc@736	1190 char r = uw_malloc(ctx, 59 + 3 INTS_MAX + strlen(ctx->url_prefix)
adamc@736	1191 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736	1192 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682	1193 ctx->client->id,
adamc@682	1194 ctx->client->pass,
adamc@679	1195 ctx->url_prefix,
adamc@736	1196 ctx->timeout,
adamc@736	1197 ctx->needs_sig ? "sig=\"" : "",
adamc@736	1198 sig,
adamc@736	1199 ctx->needs_sig ? "\";" : "");
adamc@679	1200 return r;
adamc@668	1201 }
adamc@667	1202 }
adamc@667	1203
adamc@574	1204 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574	1205 char r, s2;
adamc@574	1206
adamc@574	1207 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574	1208
adamc@666	1209 r = s2 = ctx->heap.front;
adamc@574	1210 *s2++ = '"';
adamc@574	1211
adamc@574	1212 for (; *s; s++) {
adamc@574	1213 char c = *s;
adamc@574	1214
adamc@574	1215 switch (c) {
adamc@574	1216 case '"':
adamc@574	1217 strcpy(s2, "\\\"");
adamc@574	1218 s2 += 2;
adamc@574	1219 break;
adamc@1027	1220 case '\'':
adamc@1027	1221 strcpy(s2, "\\047");
adamc@1027	1222 s2 += 4;
adamc@1027	1223 break;
adamc@574	1224 case '\\':
adamc@574	1225 strcpy(s2, "\\\\");
adamc@574	1226 s2 += 2;
adamc@574	1227 break;
adamc@574	1228 default:
adamc@574	1229 if (isprint(c))
adamc@574	1230 *s2++ = c;
adamc@574	1231 else {
adamc@574	1232 sprintf(s2, "\\%3o", c);
adamc@574	1233 s2 += 4;
adamc@574	1234 }
adamc@574	1235 }
adamc@574	1236 }
adamc@574	1237
adamc@574	1238 strcpy(s2, "\"");
adamc@910	1239 ctx->heap.front = s2 + 2;
adamc@574	1240 return r;
adamc@574	1241 }
adamc@574	1242
adamc@1025	1243 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1025	1244 char r, s2;
adamc@1025	1245
adamc@1025	1246 uw_check_heap(ctx, 6);
adamc@1025	1247
adamc@1025	1248 r = s2 = ctx->heap.front;
adamc@1025	1249 *s2++ = '"';
adamc@1025	1250
adamc@1025	1251 switch (c) {
adamc@1025	1252 case '"':
adamc@1025	1253 strcpy(s2, "\\\"");
adamc@1025	1254 s2 += 2;
adamc@1025	1255 break;
adamc@1027	1256 case '\'':
adamc@1027	1257 strcpy(s2, "\\047");
adamc@1027	1258 s2 += 4;
adamc@1027	1259 break;
adamc@1025	1260 case '\\':
adamc@1025	1261 strcpy(s2, "\\\\");
adamc@1025	1262 s2 += 2;
adamc@1025	1263 break;
adamc@1025	1264 default:
adamc@1025	1265 if (isprint(c))
adamc@1025	1266 *s2++ = c;
adamc@1025	1267 else {
adamc@1025	1268 sprintf(s2, "\\%3o", c);
adamc@1025	1269 s2 += 4;
adamc@1025	1270 }
adamc@1025	1271 }
adamc@1025	1272
adamc@1025	1273 strcpy(s2, "\"");
adamc@1025	1274 ctx->heap.front = s2 + 2;
adamc@1025	1275 return r;
adamc@1025	1276 }
adamc@1025	1277
adamc@574	1278 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574	1279 char r, s2;
adamc@574	1280
adamc@574	1281 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574	1282
adamc@666	1283 r = s2 = ctx->script.front;
adamc@574	1284 *s2++ = '"';
adamc@574	1285
adamc@574	1286 for (; *s; s++) {
adamc@574	1287 char c = *s;
adamc@574	1288
adamc@574	1289 switch (c) {
adamc@577	1290 case '\'':
adamc@1027	1291 strcpy(s2, "\\");
adamc@574	1292 s2 += 2;
adamc@574	1293 break;
adamc@574	1294 case '\\':
adamc@574	1295 strcpy(s2, "\\\\");
adamc@574	1296 s2 += 2;
adamc@574	1297 break;
adamc@574	1298 default:
adamc@574	1299 if (isprint(c))
adamc@574	1300 *s2++ = c;
adamc@574	1301 else {
adamc@574	1302 sprintf(s2, "\\%3o", c);
adamc@574	1303 s2 += 4;
adamc@574	1304 }
adamc@574	1305 }
adamc@574	1306 }
adamc@574	1307
adamc@574	1308 strcpy(s2, "\"");
adamc@666	1309 ctx->script.front = s2 + 1;
adamc@574	1310 return r;
adamc@574	1311 }
adamc@574	1312
adamc@682	1313 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1314 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1315 return "null";
adamc@682	1316 else {
adamc@682	1317 int len;
adamc@682	1318 char *r;
adamc@682	1319
adamc@682	1320 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1321 r = ctx->heap.front;
adamc@682	1322 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1323 ctx->heap.front += len+1;
adamc@682	1324 return r;
adamc@682	1325 }
adamc@682	1326 }
adamc@682	1327
adamc@577	1328 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577	1329 int len;
adamc@577	1330 size_t s_len = strlen(s);
adamc@562	1331
adamc@970	1332 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970	1333 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666	1334 ctx->script.front += len;
adamc@666	1335 strcpy(ctx->script.front, s);
adamc@666	1336 ctx->script.front += s_len;
adamc@970	1337 strcpy(ctx->script.front, "));");
adamc@972	1338 ctx->script.front += 3;
adamc@562	1339
adamc@565	1340 return ctx->source_count++;
adamc@117	1341 }
adamc@117	1342
adamc@577	1343 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577	1344 int len;
adamc@577	1345 size_t s_len = strlen(s);
adamc@577	1346
adamc@970	1347 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970	1348 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666	1349 ctx->script.front += len;
adamc@666	1350 strcpy(ctx->script.front, s);
adamc@666	1351 ctx->script.front += s_len;
adamc@970	1352 strcpy(ctx->script.front, "));");
adamc@972	1353 ctx->script.front += 3;
adamc@577	1354
adamc@577	1355 return uw_unit_v;
adamc@577	1356 }
adamc@577	1357
adamc@311	1358 static void uw_check(uw_context ctx, size_t extra) {
adamc@667	1359 buf_check(&ctx->page, extra);
adamc@117	1360 }
adamc@117	1361
adamc@311	1362 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666	1363 *(ctx->page.front)++ = c;
adamc@117	1364 }
adamc@117	1365
adamc@311	1366 void uw_writec(uw_context ctx, char c) {
adamc@311	1367 uw_check(ctx, 1);
adamc@311	1368 uw_writec_unsafe(ctx, c);
adamc@117	1369 }
adamc@117	1370
adamc@311	1371 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117	1372 int len = strlen(s);
adamc@666	1373 memcpy(ctx->page.front, s, len);
adamc@666	1374 ctx->page.front += len;
adamc@117	1375 }
adamc@117	1376
adamc@311	1377 void uw_write(uw_context ctx, const char* s) {
adamc@311	1378 uw_check(ctx, strlen(s) + 1);
adamc@311	1379 uw_write_unsafe(ctx, s);
adamc@666	1380 *ctx->page.front = 0;
adamc@102	1381 }
adamc@106	1382
adamc@311	1383 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136	1384 char *result;
adamc@136	1385 int len;
adamc@311	1386 uw_check_heap(ctx, INTS_MAX);
adamc@666	1387 result = ctx->heap.front;
adamc@276	1388 sprintf(result, "%lld%n", n, &len);
adamc@666	1389 ctx->heap.front += len+1;
adamc@136	1390 return result;
adamc@106	1391 }
adamc@106	1392
adamc@311	1393 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136	1394 char *result;
adamc@136	1395 int len;
adamc@311	1396 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1397 result = ctx->heap.front;
adamc@136	1398 sprintf(result, "%g%n", n, &len);
adamc@666	1399 ctx->heap.front += len+1;
adamc@136	1400 return result;
adamc@106	1401 }
adamc@106	1402
adamc@311	1403 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136	1404 int len = strlen(s);
adamc@136	1405 char result, p;
adamc@311	1406 uw_check_heap(ctx, len * 6 + 1);
adamc@136	1407
adamc@666	1408 result = p = ctx->heap.front;
adamc@136	1409
adamc@136	1410 for (; *s; s++) {
adamc@136	1411 char c = *s;
adamc@136	1412
adamc@136	1413 if (c == '"') {
adamc@136	1414 strcpy(p, """);
adamc@136	1415 p += 6;
adamc@136	1416 } else if (c == '&') {
adamc@136	1417 strcpy(p, "&");
adamc@136	1418 p += 5;
adamc@136	1419 }
adamc@136	1420 else if (isprint(c))
adamc@136	1421 *p++ = c;
adamc@136	1422 else {
adamc@136	1423 int len2;
adamc@136	1424 sprintf(p, "&#%d;%n", c, &len2);
adamc@136	1425 p += len2;
adamc@136	1426 }
adamc@136	1427 }
adamc@136	1428
adamc@137	1429 *p++ = 0;
adamc@666	1430 ctx->heap.front = p;
adamc@136	1431 return result;
adamc@106	1432 }
adamc@106	1433
adamc@1011	1434 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	1435 char result, p;
adamc@1011	1436 uw_check_heap(ctx, 7);
adamc@1011	1437
adamc@1011	1438 result = p = ctx->heap.front;
adamc@1011	1439
adamc@1011	1440 if (c == '"') {
adamc@1011	1441 strcpy(p, """);
adamc@1011	1442 p += 6;
adamc@1011	1443 } else if (c == '&') {
adamc@1011	1444 strcpy(p, "&");
adamc@1011	1445 p += 5;
adamc@1011	1446 }
adamc@1011	1447 else if (isprint(c))
adamc@1011	1448 *p++ = c;
adamc@1011	1449 else {
adamc@1011	1450 int len2;
adamc@1011	1451 sprintf(p, "&#%d;%n", c, &len2);
adamc@1011	1452 p += len2;
adamc@1011	1453 }
adamc@1011	1454
adamc@1011	1455 *p++ = 0;
adamc@1011	1456 ctx->heap.front = p;
adamc@1011	1457 return result;
adamc@1011	1458 }
adamc@1011	1459
adamc@721	1460 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721	1461 return s;
adamc@721	1462 }
adamc@721	1463
adamc@311	1464 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117	1465 int len;
adamc@117	1466
adamc@666	1467 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1468 ctx->page.front += len;
adamc@106	1469 }
adamc@106	1470
adamc@428	1471 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1472 uw_check(ctx, INTS_MAX);
adamc@311	1473 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428	1474
adamc@428	1475 return uw_unit_v;
adamc@106	1476 }
adamc@106	1477
adamc@428	1478 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117	1479 int len;
adamc@117	1480
adamc@311	1481 uw_check(ctx, FLOATS_MAX);
adamc@666	1482 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1483 ctx->page.front += len;
adamc@428	1484
adamc@428	1485 return uw_unit_v;
adamc@117	1486 }
adamc@117	1487
adamc@428	1488 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311	1489 uw_check(ctx, strlen(s) * 6);
adamc@117	1490
adamc@106	1491 for (; *s; s++) {
adamc@106	1492 char c = *s;
adamc@106	1493
adamc@106	1494 if (c == '"')
adamc@311	1495 uw_write_unsafe(ctx, """);
adamc@136	1496 else if (c == '&')
adamc@311	1497 uw_write_unsafe(ctx, "&");
adamc@106	1498 else if (isprint(c))
adamc@311	1499 uw_writec_unsafe(ctx, c);
adamc@106	1500 else {
adamc@311	1501 uw_write_unsafe(ctx, "&#");
adamc@311	1502 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311	1503 uw_writec_unsafe(ctx, ';');
adamc@106	1504 }
adamc@106	1505 }
adamc@428	1506
adamc@428	1507 return uw_unit_v;
adamc@106	1508 }
adamc@120	1509
adamc@1011	1510 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011	1511 uw_check(ctx, 6);
adamc@1011	1512
adamc@1011	1513 if (c == '"')
adamc@1011	1514 uw_write_unsafe(ctx, """);
adamc@1011	1515 else if (c == '&')
adamc@1011	1516 uw_write_unsafe(ctx, "&");
adamc@1011	1517 else if (isprint(c))
adamc@1011	1518 uw_writec_unsafe(ctx, c);
adamc@1011	1519 else {
adamc@1011	1520 uw_write_unsafe(ctx, "&#");
adamc@1011	1521 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@1011	1522 uw_writec_unsafe(ctx, ';');
adamc@1011	1523 }
adamc@1011	1524
adamc@1011	1525 return uw_unit_v;
adamc@1011	1526 }
adamc@1011	1527
adamc@120	1528
adamc@311	1529 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137	1530 int len;
adamc@137	1531 char *r;
adamc@137	1532
adamc@311	1533 uw_check_heap(ctx, INTS_MAX);
adamc@666	1534 r = ctx->heap.front;
adamc@276	1535 sprintf(r, "%lld%n", n, &len);
adamc@666	1536 ctx->heap.front += len+1;
adamc@137	1537 return r;
adamc@120	1538 }
adamc@120	1539
adamc@682	1540 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1541 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1542 return "";
adamc@682	1543 else {
adamc@682	1544 int len;
adamc@682	1545 char *r;
adamc@679	1546
adamc@682	1547 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1548 r = ctx->heap.front;
adamc@682	1549 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1550 ctx->heap.front += len+1;
adamc@682	1551 return r;
adamc@682	1552 }
adamc@679	1553 }
adamc@679	1554
adamc@311	1555 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137	1556 int len;
adamc@137	1557 char *r;
adamc@137	1558
adamc@311	1559 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1560 r = ctx->heap.front;
adamc@137	1561 sprintf(r, "%g%n", n, &len);
adamc@666	1562 ctx->heap.front += len+1;
adamc@137	1563 return r;
adamc@120	1564 }
adamc@120	1565
adamc@311	1566 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1567 char r, p;
adamc@137	1568
adamc@925	1569 if (s[0] == '\0')
adamc@925	1570 return "_";
adamc@925	1571
adamc@925	1572 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925	1573
adamc@925	1574 r = p = ctx->heap.front;
adamc@925	1575 if (s[0] == '_')
adamc@925	1576 *p++ = '_';
adamc@925	1577
adamc@925	1578 for (; *s; s++) {
adamc@137	1579 char c = *s;
adamc@137	1580
adamc@137	1581 if (c == ' ')
adamc@137	1582 *p++ = '+';
adamc@137	1583 else if (isalnum(c))
adamc@137	1584 *p++ = c;
adamc@137	1585 else {
adamc@137	1586 sprintf(p, "%%%02X", c);
adamc@137	1587 p += 3;
adamc@137	1588 }
adamc@137	1589 }
adamc@137	1590
adamc@137	1591 *p++ = 0;
adamc@666	1592 ctx->heap.front = p;
adamc@137	1593 return r;
adamc@120	1594 }
adamc@120	1595
adamc@311	1596 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1597 if (b == uw_Basis_False)
adamc@186	1598 return "0";
adamc@186	1599 else
adamc@186	1600 return "1";
adamc@186	1601 }
adamc@186	1602
adamc@311	1603 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120	1604 int len;
adamc@120	1605
adamc@666	1606 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1607 ctx->page.front += len;
adamc@120	1608 }
adamc@120	1609
adamc@428	1610 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1611 uw_check(ctx, INTS_MAX);
adamc@311	1612 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428	1613
adamc@428	1614 return uw_unit_v;
adamc@120	1615 }
adamc@120	1616
adamc@682	1617 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1618 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682	1619 int len;
adamc@682	1620
adamc@682	1621 uw_check(ctx, INTS_MAX + 1);
adamc@682	1622 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682	1623 ctx->page.front += len;
adamc@682	1624 }
adamc@682	1625
adamc@679	1626 return uw_unit_v;
adamc@679	1627 }
adamc@679	1628
adamc@428	1629 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120	1630 int len;
adamc@120	1631
adamc@311	1632 uw_check(ctx, FLOATS_MAX);
adamc@666	1633 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1634 ctx->page.front += len;
adamc@428	1635
adamc@428	1636 return uw_unit_v;
adamc@120	1637 }
adamc@120	1638
adamc@488	1639 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488	1640 return uw_Basis_urlifyInt(ctx, t);
adamc@488	1641 }
adamc@488	1642
adamc@428	1643 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925	1644 if (s[0] == '\0') {
adamc@925	1645 uw_check(ctx, 1);
adamc@925	1646 uw_writec_unsafe(ctx, '_');
adamc@925	1647 return uw_unit_v;
adamc@925	1648 }
adamc@925	1649
adamc@925	1650 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925	1651
adamc@925	1652 if (s[0] == '_')
adamc@925	1653 uw_writec_unsafe(ctx, '_');
adamc@120	1654
adamc@120	1655 for (; *s; s++) {
adamc@120	1656 char c = *s;
adamc@120	1657
adamc@120	1658 if (c == ' ')
adamc@311	1659 uw_writec_unsafe(ctx, '+');
adamc@120	1660 else if (isalnum(c))
adamc@311	1661 uw_writec_unsafe(ctx, c);
adamc@120	1662 else {
adamc@666	1663 sprintf(ctx->page.front, "%%%02X", c);
adamc@666	1664 ctx->page.front += 3;
adamc@120	1665 }
adamc@120	1666 }
adamc@428	1667
adamc@428	1668 return uw_unit_v;
adamc@120	1669 }
adamc@120	1670
adamc@428	1671 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1672 if (b == uw_Basis_False)
adamc@311	1673 uw_writec(ctx, '0');
adamc@186	1674 else
adamc@311	1675 uw_writec(ctx, '1');
adamc@428	1676
adamc@428	1677 return uw_unit_v;
adamc@186	1678 }
adamc@186	1679
adamc@120	1680
adamc@311	1681 static char uw_unurlify_advance(char s) {
adamc@144	1682 char *new_s = strchr(s, '/');
adamc@120	1683
adamc@120	1684 if (new_s)
adamc@120	1685 *new_s++ = 0;
adamc@120	1686 else
adamc@144	1687 new_s = strchr(s, 0);
adamc@144	1688
adamc@144	1689 return new_s;
adamc@144	1690 }
adamc@144	1691
adamc@311	1692 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311	1693 char new_s = uw_unurlify_advance(s);
adamc@311	1694 uw_Basis_int r;
adamc@120	1695
adamc@276	1696 r = atoll(*s);
adamc@120	1697 *s = new_s;
adamc@120	1698 return r;
adamc@120	1699 }
adamc@120	1700
adamc@311	1701 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311	1702 char new_s = uw_unurlify_advance(s);
adamc@311	1703 uw_Basis_float r;
adamc@120	1704
adamc@120	1705 r = atof(*s);
adamc@120	1706 *s = new_s;
adamc@120	1707 return r;
adamc@120	1708 }
adamc@120	1709
adamc@488	1710 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488	1711 return uw_Basis_unurlifyInt(ctx, s);
adamc@488	1712 }
adamc@488	1713
adamc@1023	1714 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char r, char s) {
adamc@927	1715 char s1, s2 = s;
adamc@144	1716 int n;
adamc@136	1717
adamc@1023	1718 if (!fromClient) {
adamc@1023	1719 if (*s2 == '_')
adamc@1023	1720 ++s2;
adamc@1023	1721 else if (s2[0] == '%' && s2[1] == '5' && (s2[2] == 'f' \|\| s2[2] == 'F'))
adamc@1023	1722 s2 += 3;
adamc@1023	1723 }
adamc@925	1724
adamc@927	1725 for (s1 = r; *s2; ++s1, ++s2) {
adamc@136	1726 char c = *s2;
adamc@136	1727
adamc@136	1728 switch (c) {
adamc@136	1729 case '+':
adamc@136	1730 *s1 = ' ';
adamc@136	1731 break;
adamc@136	1732 case '%':
adamc@169	1733 if (s2[1] == 0)
adamc@311	1734 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169	1735 if (s2[2] == 0)
adamc@311	1736 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169	1737 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311	1738 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136	1739 *s1 = n;
adamc@136	1740 s2 += 2;
adamc@136	1741 break;
adamc@136	1742 default:
adamc@136	1743 *s1 = c;
adamc@136	1744 }
adamc@136	1745 }
adamc@136	1746 *s1++ = 0;
adamc@144	1747 return s1;
adamc@144	1748 }
adamc@144	1749
adamc@311	1750 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311	1751 char new_s = uw_unurlify_advance(s);
adamc@311	1752 uw_Basis_bool r;
adamc@186	1753
adamc@186	1754 if (s[0] == 0 \|\| !strcmp(s, "0") \|\| !strcmp(*s, "off"))
adamc@311	1755 r = uw_Basis_False;
adamc@186	1756 else
adamc@311	1757 r = uw_Basis_True;
adamc@186	1758
adamc@186	1759 *s = new_s;
adamc@186	1760 return r;
adamc@186	1761 }
adamc@186	1762
adamc@311	1763 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311	1764 char new_s = uw_unurlify_advance(s);
adamc@144	1765 char r, s1, *s2;
adamc@144	1766 int len, n;
adamc@144	1767
adamc@200	1768 len = strlen(*s);
adamc@311	1769 uw_check_heap(ctx, len + 1);
adamc@144	1770
adamc@666	1771 r = ctx->heap.front;
adamc@1023	1772 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023	1773 *s = new_s;
adamc@1023	1774 return r;
adamc@1023	1775 }
adamc@1023	1776
adamc@1023	1777 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023	1778 char new_s = uw_unurlify_advance(s);
adamc@1023	1779 char r, s1, *s2;
adamc@1023	1780 int len, n;
adamc@1023	1781
adamc@1023	1782 len = strlen(*s);
adamc@1023	1783 uw_check_heap(ctx, len + 1);
adamc@1023	1784
adamc@1023	1785 r = ctx->heap.front;
adamc@1023	1786 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136	1787 *s = new_s;
adamc@136	1788 return r;
adamc@120	1789 }
adamc@135	1790
adamc@135	1791
adamc@311	1792 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286	1793 int len;
adamc@286	1794 char *r;
adamc@286	1795
adamc@311	1796 uw_check_heap(ctx, INTS_MAX);
adamc@666	1797 r = ctx->heap.front;
adamc@286	1798 sprintf(r, "%lld%n", n, &len);
adamc@666	1799 ctx->heap.front += len+1;
adamc@286	1800 return r;
adamc@286	1801 }
adamc@286	1802
adamc@428	1803 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286	1804 int len;
adamc@286	1805
adamc@311	1806 uw_check(ctx, INTS_MAX);
adamc@666	1807 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1808 ctx->page.front += len;
adamc@428	1809
adamc@428	1810 return uw_unit_v;
adamc@286	1811 }
adamc@286	1812
adamc@311	1813 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286	1814 int len;
adamc@286	1815 char *r;
adamc@286	1816
adamc@311	1817 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1818 r = ctx->heap.front;
adamc@286	1819 sprintf(r, "%g%n", n, &len);
adamc@666	1820 ctx->heap.front += len+1;
adamc@286	1821 return r;
adamc@286	1822 }
adamc@286	1823
adamc@428	1824 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286	1825 int len;
adamc@286	1826
adamc@311	1827 uw_check(ctx, FLOATS_MAX);
adamc@666	1828 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1829 ctx->page.front += len;
adamc@428	1830
adamc@428	1831 return uw_unit_v;
adamc@286	1832 }
adamc@286	1833
adamc@311	1834 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1835 char r, s2;
adamc@137	1836
adamc@311	1837 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137	1838
adamc@666	1839 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@137	1840 char c = *s;
adamc@137	1841
adamc@137	1842 switch (c) {
adamc@137	1843 case '<':
adamc@137	1844 strcpy(s2, "<");
adamc@137	1845 s2 += 4;
adamc@137	1846 break;
adamc@137	1847 case '&':
adamc@137	1848 strcpy(s2, "&");
adamc@137	1849 s2 += 5;
adamc@137	1850 break;
adamc@137	1851 default:
adamc@137	1852 if (isprint(c))
adamc@137	1853 *s2++ = c;
adamc@137	1854 else {
adamc@137	1855 int len2;
adamc@137	1856 sprintf(s2, "&#%d;%n", c, &len2);
adamc@137	1857 s2 += len2;
adamc@137	1858 }
adamc@137	1859 }
adamc@137	1860 }
adamc@137	1861
adamc@137	1862 *s2++ = 0;
adamc@666	1863 ctx->heap.front = s2;
adamc@137	1864 return r;
adamc@135	1865 }
adamc@135	1866
adamc@428	1867 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321	1868 uw_check(ctx, strlen(s) * 6);
adamc@135	1869
adamc@135	1870 for (; *s; s++) {
adamc@135	1871 char c = *s;
adamc@135	1872
adamc@135	1873 switch (c) {
adamc@135	1874 case '<':
adamc@311	1875 uw_write_unsafe(ctx, "<");
adamc@135	1876 break;
adamc@135	1877 case '&':
adamc@311	1878 uw_write_unsafe(ctx, "&");
adamc@135	1879 break;
adamc@135	1880 default:
adamc@135	1881 if (isprint(c))
adamc@311	1882 uw_writec_unsafe(ctx, c);
adamc@135	1883 else {
adamc@311	1884 uw_write_unsafe(ctx, "&#");
adamc@311	1885 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311	1886 uw_writec_unsafe(ctx, ';');
adamc@135	1887 }
adamc@135	1888 }
adamc@135	1889 }
adamc@428	1890
adamc@428	1891 return uw_unit_v;
adamc@135	1892 }
adamc@180	1893
adamc@311	1894 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1895 if (b == uw_Basis_False)
adamc@286	1896 return "False";
adamc@286	1897 else
adamc@286	1898 return "True";
adamc@286	1899 }
adamc@286	1900
adamc@428	1901 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1902 if (b == uw_Basis_False) {
adamc@311	1903 uw_check(ctx, 6);
adamc@666	1904 strcpy(ctx->page.front, "False");
adamc@666	1905 ctx->page.front += 5;
adamc@286	1906 } else {
adamc@311	1907 uw_check(ctx, 5);
adamc@666	1908 strcpy(ctx->page.front, "True");
adamc@666	1909 ctx->page.front += 4;
adamc@286	1910 }
adamc@428	1911
adamc@428	1912 return uw_unit_v;
adamc@286	1913 }
adamc@286	1914
adamc@436	1915 #define TIME_FMT "%x %X"
adamc@438	1916 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436	1917
adamc@436	1918 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436	1919 size_t len;
adamc@436	1920 char *r;
adamc@436	1921 struct tm stm;
adamc@436	1922
adamc@436	1923 if (localtime_r(&t, &stm)) {
adamc@436	1924 uw_check_heap(ctx, TIMES_MAX);
adamc@666	1925 r = ctx->heap.front;
adamc@436	1926 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	1927 ctx->heap.front += len+1;
adamc@436	1928 return r;
adamc@436	1929 } else
adamc@436	1930 return "<i>Invalid time</i>";
adamc@436	1931 }
adamc@436	1932
adamc@436	1933 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436	1934 size_t len;
adamc@436	1935 char *r;
adamc@436	1936 struct tm stm;
adamc@436	1937
adamc@436	1938 if (localtime_r(&t, &stm)) {
adamc@436	1939 uw_check(ctx, TIMES_MAX);
adamc@666	1940 r = ctx->page.front;
adamc@436	1941 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	1942 ctx->page.front += len;
adamc@436	1943 } else {
adamc@436	1944 uw_check(ctx, 20);
adamc@666	1945 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666	1946 ctx->page.front += 19;
adamc@436	1947 }
adamc@436	1948
adamc@436	1949 return uw_unit_v;
adamc@436	1950 }
adamc@436	1951
adamc@821	1952 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821	1953 if (n >= 0 && n < strlen(s))
adamc@821	1954 return s[n];
adamc@821	1955 else
adamc@821	1956 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821	1957 }
adamc@821	1958
adamc@821	1959 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821	1960 if (n >= 0 && n < strlen(s))
adamc@821	1961 return &s[n];
adamc@821	1962 else
adamc@821	1963 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821	1964 }
adamc@821	1965
adamc@828	1966 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828	1967 return strlen(s);
adamc@828	1968 }
adamc@828	1969
adamc@829	1970 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	1971 return strchr(s, ch);
adamc@829	1972 }
adamc@829	1973
adamc@831	1974 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831	1975 return strcspn(s, chs);
adamc@831	1976 }
adamc@831	1977
adamc@829	1978 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	1979 uw_Basis_string r = strchr(s, ch);
adamc@829	1980 if (r == NULL)
adamc@829	1981 return NULL;
adamc@829	1982 else {
adamc@829	1983 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829	1984 *nr = r - s;
adamc@829	1985 return nr;
adamc@829	1986 }
adamc@829	1987 }
adamc@829	1988
adamc@311	1989 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828	1990 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180	1991 char *s;
adamc@180	1992
adamc@311	1993 uw_check_heap(ctx, len);
adamc@180	1994
adamc@666	1995 s = ctx->heap.front;
adamc@180	1996
adamc@180	1997 strcpy(s, s1);
adamc@180	1998 strcat(s, s2);
adamc@666	1999 ctx->heap.front += len;
adamc@180	2000
adamc@180	2001 return s;
adamc@180	2002 }
adamc@278	2003
adamc@829	2004 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829	2005 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829	2006
adamc@829	2007 if (start < 0)
adamc@829	2008 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829	2009 if (len < 0)
adamc@829	2010 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829	2011 if (start + len > full_len)
adamc@829	2012 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829	2013
adamc@829	2014 if (start + len == full_len)
adamc@829	2015 return &s[start];
adamc@829	2016 else {
adamc@829	2017 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959	2018 memcpy(r, s+start, len);
adamc@829	2019 r[len] = 0;
adamc@829	2020 return r;
adamc@829	2021 }
adamc@829	2022
adamc@829	2023 }
adamc@829	2024
adamc@1023	2025 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023	2026 char *r;
adamc@1023	2027
adamc@1023	2028 uw_check_heap(ctx, 2);
adamc@1023	2029 r = ctx->heap.front;
adamc@1023	2030 r[0] = ch;
adamc@1023	2031 r[1] = 0;
adamc@1023	2032
adamc@1023	2033 ctx->heap.front += 2;
adamc@1023	2034
adamc@1023	2035 return r;
adamc@1023	2036 }
adamc@1023	2037
adamc@737	2038 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828	2039 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278	2040 char *s;
adamc@278	2041
adamc@311	2042 uw_check_heap(ctx, len);
adamc@278	2043
adamc@666	2044 s = ctx->heap.front;
adamc@278	2045
adamc@278	2046 strcpy(s, s1);
adamc@666	2047 ctx->heap.front += len;
adamc@278	2048
adamc@278	2049 return s;
adamc@278	2050 }
adamc@280	2051
adamc@737	2052 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493	2053 if (s1)
adamc@737	2054 return uw_strdup(ctx, s1);
adamc@493	2055 else
adamc@493	2056 return NULL;
adamc@493	2057 }
adamc@493	2058
adamc@742	2059 char uw_memdup(uw_context ctx, const char p, size_t len) {
adamc@742	2060 char *r = uw_malloc(ctx, len);
adamc@742	2061 memcpy(r, p, len);
adamc@742	2062 return r;
adamc@742	2063 }
adamc@280	2064
adamc@879	2065 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879	2066
adamc@311	2067 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281	2068 int len;
adamc@281	2069 char *r;
adamc@281	2070
adamc@311	2071 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666	2072 r = ctx->heap.front;
adamc@879	2073 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666	2074 ctx->heap.front += len+1;
adamc@281	2075 return r;
adamc@281	2076 }
adamc@281	2077
adamc@467	2078 char uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int n) {
adamc@467	2079 if (n == NULL)
adamc@467	2080 return "NULL";
adamc@467	2081 else
adamc@467	2082 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467	2083 }
adamc@467	2084
adamc@879	2085 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879	2086
adamc@311	2087 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281	2088 int len;
adamc@281	2089 char *r;
adamc@281	2090
adamc@311	2091 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666	2092 r = ctx->heap.front;
adamc@879	2093 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666	2094 ctx->heap.front += len+1;
adamc@281	2095 return r;
adamc@281	2096 }
adamc@281	2097
adamc@467	2098 char uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float n) {
adamc@467	2099 if (n == NULL)
adamc@467	2100 return "NULL";
adamc@467	2101 else
adamc@467	2102 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467	2103 }
adamc@467	2104
adamc@879	2105 int uw_Estrings = 1;
adamc@879	2106 char *uw_sqlsuffixString = "::text";
adamc@1011	2107 char *uw_sqlsuffixChar = "::char";
adamc@281	2108
adamc@311	2109 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280	2110 char r, s2;
adamc@280	2111
adamc@879	2112 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280	2113
adamc@666	2114 r = s2 = ctx->heap.front;
adamc@879	2115 if (uw_Estrings)
adamc@879	2116 *s2++ = 'E';
adamc@280	2117 *s2++ = '\'';
adamc@280	2118
adamc@280	2119 for (; *s; s++) {
adamc@280	2120 char c = *s;
adamc@280	2121
adamc@280	2122 switch (c) {
adamc@280	2123 case '\'':
adamc@885	2124 if (uw_Estrings)
adamc@885	2125 strcpy(s2, "\\'");
adamc@885	2126 else
adamc@885	2127 strcpy(s2, "''");
adamc@280	2128 s2 += 2;
adamc@280	2129 break;
adamc@280	2130 case '\\':
adamc@885	2131 if (uw_Estrings) {
adamc@885	2132 strcpy(s2, "\\\\");
adamc@885	2133 s2 += 2;
adamc@885	2134 } else
adamc@885	2135 *s2++ = '\\';
adamc@280	2136 break;
adamc@280	2137 default:
adamc@280	2138 if (isprint(c))
adamc@280	2139 *s2++ = c;
adamc@879	2140 else if (uw_Estrings) {
adamc@737	2141 sprintf(s2, "\\%03o", c);
adamc@280	2142 s2 += 4;
adamc@280	2143 }
adamc@879	2144 else
adamc@879	2145 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280	2146 }
adamc@280	2147 }
adamc@280	2148
adamc@879	2149 *s2++ = '\'';
adamc@879	2150 strcpy(s2, uw_sqlsuffixString);
adamc@879	2151 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280	2152 return r;
adamc@280	2153 }
adamc@281	2154
adamc@1011	2155 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	2156 char r, s2;
adamc@1011	2157
adamc@1011	2158 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011	2159
adamc@1011	2160 r = s2 = ctx->heap.front;
adamc@1011	2161 if (uw_Estrings)
adamc@1011	2162 *s2++ = 'E';
adamc@1011	2163 *s2++ = '\'';
adamc@1011	2164
adamc@1011	2165 switch (c) {
adamc@1011	2166 case '\'':
adamc@1011	2167 if (uw_Estrings)
adamc@1011	2168 strcpy(s2, "\\'");
adamc@1011	2169 else
adamc@1011	2170 strcpy(s2, "''");
adamc@1011	2171 s2 += 2;
adamc@1011	2172 break;
adamc@1011	2173 case '\\':
adamc@1011	2174 if (uw_Estrings) {
adamc@1011	2175 strcpy(s2, "\\\\");
adamc@1011	2176 s2 += 2;
adamc@1011	2177 } else
adamc@1011	2178 *s2++ = '\\';
adamc@1011	2179 break;
adamc@1011	2180 default:
adamc@1011	2181 if (isprint(c))
adamc@1011	2182 *s2++ = c;
adamc@1011	2183 else if (uw_Estrings) {
adamc@1011	2184 sprintf(s2, "\\%03o", c);
adamc@1011	2185 s2 += 4;
adamc@1011	2186 }
adamc@1011	2187 else
adamc@1011	2188 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011	2189 }
adamc@1011	2190
adamc@1011	2191 *s2++ = '\'';
adamc@1011	2192 strcpy(s2, uw_sqlsuffixChar);
adamc@1011	2193 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011	2194 return r;
adamc@1011	2195 }
adamc@1011	2196
adamc@879	2197 char *uw_sqlsuffixBlob = "::bytea";
adamc@879	2198
adamc@737	2199 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737	2200 char r, s2;
adamc@737	2201 size_t i;
adamc@737	2202
adamc@879	2203 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737	2204
adamc@737	2205 r = s2 = ctx->heap.front;
adamc@879	2206 if (uw_Estrings)
adamc@879	2207 *s2++ = 'E';
adamc@737	2208 *s2++ = '\'';
adamc@737	2209
adamc@737	2210 for (i = 0; i < b.size; ++i) {
adamc@737	2211 char c = b.data[i];
adamc@737	2212
adamc@737	2213 switch (c) {
adamc@737	2214 case '\'':
adamc@885	2215 if (uw_Estrings)
adamc@885	2216 strcpy(s2, "\\'");
adamc@885	2217 else
adamc@885	2218 strcpy(s2, "''");
adamc@737	2219 s2 += 2;
adamc@737	2220 break;
adamc@737	2221 case '\\':
adamc@885	2222 if (uw_Estrings) {
adamc@885	2223 strcpy(s2, "\\\\\\\\");
adamc@885	2224 s2 += 4;
adamc@885	2225 } else
adamc@885	2226 *s2++ = '\\';
adamc@737	2227 break;
adamc@737	2228 default:
adamc@737	2229 if (isprint(c))
adamc@737	2230 *s2++ = c;
adamc@879	2231 else if (uw_Estrings) {
adamc@737	2232 sprintf(s2, "\\\\%03o", c);
adamc@737	2233 s2 += 5;
adamc@737	2234 }
adamc@879	2235 else
adamc@879	2236 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737	2237 }
adamc@737	2238 }
adamc@737	2239
adamc@879	2240 *s2++ = '\'';
adamc@879	2241 strcpy(s2, uw_sqlsuffixBlob);
adamc@879	2242 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737	2243 return r;
adamc@737	2244 }
adamc@737	2245
adamc@682	2246 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2247 int len;
adamc@682	2248 char *r;
adamc@682	2249 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2250
adamc@682	2251 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2252 r = ctx->heap.front;
adamc@879	2253 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682	2254 ctx->heap.front += len+1;
adamc@682	2255 return r;
adamc@682	2256 }
adamc@682	2257
adamc@682	2258 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2259 int len;
adamc@682	2260 char *r;
adamc@682	2261 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2262
adamc@682	2263 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2264 r = ctx->heap.front;
adamc@682	2265 sprintf(r, "%lld%n", combo, &len);
adamc@682	2266 ctx->heap.front += len+1;
adamc@682	2267 return r;
adamc@682	2268 }
adamc@682	2269
adamc@879	2270 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879	2271
adamc@682	2272 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2273 int len;
adamc@682	2274 char *r;
adamc@682	2275
adamc@682	2276 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2277 r = ctx->heap.front;
adamc@879	2278 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682	2279 ctx->heap.front += len+1;
adamc@682	2280 return r;
adamc@682	2281 }
adamc@682	2282
adamc@682	2283 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2284 int len;
adamc@682	2285 char *r;
adamc@682	2286
adamc@682	2287 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2288 r = ctx->heap.front;
adamc@682	2289 sprintf(r, "%u%n", cli, &len);
adamc@682	2290 ctx->heap.front += len+1;
adamc@682	2291 return r;
adamc@682	2292 }
adamc@682	2293
adamc@467	2294 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467	2295 if (s == NULL)
adamc@467	2296 return "NULL";
adamc@467	2297 else
adamc@467	2298 return uw_Basis_sqlifyString(ctx, s);
adamc@467	2299 }
adamc@467	2300
adamc@311	2301 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2302 if (b == uw_Basis_False)
adamc@281	2303 return "FALSE";
adamc@281	2304 else
adamc@281	2305 return "TRUE";
adamc@281	2306 }
adamc@282	2307
adamc@467	2308 char uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool b) {
adamc@467	2309 if (b == NULL)
adamc@467	2310 return "NULL";
adamc@467	2311 else
adamc@467	2312 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467	2313 }
adamc@467	2314
adamc@439	2315 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439	2316 size_t len;
adamc@682	2317 char r, s;
adamc@682	2318 struct tm stm;
adamc@682	2319
adamc@682	2320 if (localtime_r(&t, &stm)) {
adamc@682	2321 s = uw_malloc(ctx, TIMES_MAX);
adamc@995	2322 --stm.tm_hour;
adamc@682	2323 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
adamc@682	2324 r = uw_malloc(ctx, len + 14);
adamc@682	2325 sprintf(r, "'%s'::timestamp", s);
adamc@682	2326 return r;
adamc@682	2327 } else
adamc@682	2328 return "<Invalid time>";
adamc@682	2329 }
adamc@682	2330
adamc@682	2331 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682	2332 size_t len;
adamc@439	2333 char *r;
adamc@439	2334 struct tm stm;
adamc@439	2335
adamc@439	2336 if (localtime_r(&t, &stm)) {
adamc@439	2337 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2338 r = ctx->heap.front;
adamc@439	2339 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2340 ctx->heap.front += len+1;
adamc@439	2341 return r;
adamc@439	2342 } else
adamc@439	2343 return "<Invalid time>";
adamc@439	2344 }
adamc@439	2345
adamc@467	2346 char uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time t) {
adamc@467	2347 if (t == NULL)
adamc@467	2348 return "NULL";
adamc@467	2349 else
adamc@467	2350 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467	2351 }
adamc@467	2352
adamc@311	2353 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311	2354 static uw_Basis_int true = 1;
adamc@311	2355 static uw_Basis_int false = 0;
adamc@282	2356
adamc@311	2357 if (b == uw_Basis_False)
adamc@282	2358 return (char *)&false;
adamc@282	2359 else
adamc@282	2360 return (char *)&true;
adamc@282	2361 }
adamc@284	2362
adamc@311	2363 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284	2364 int len;
adamc@284	2365 char *r;
adamc@284	2366
adamc@311	2367 uw_check_heap(ctx, INTS_MAX);
adamc@666	2368 r = ctx->heap.front;
adamc@284	2369 sprintf(r, "%lld%n", n, &len);
adamc@666	2370 ctx->heap.front += len+1;
adamc@284	2371 return r;
adamc@284	2372 }
adamc@285	2373
adamc@311	2374 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285	2375 int len;
adamc@285	2376 char *r;
adamc@285	2377
adamc@311	2378 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2379 r = ctx->heap.front;
adamc@285	2380 sprintf(r, "%g%n", n, &len);
adamc@666	2381 ctx->heap.front += len+1;
adamc@285	2382 return r;
adamc@285	2383 }
adamc@285	2384
adamc@821	2385 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821	2386 char *r = uw_malloc(ctx, 2);
adamc@821	2387 r[0] = ch;
adamc@821	2388 r[1] = 0;
adamc@821	2389 return r;
adamc@821	2390 }
adamc@821	2391
adamc@311	2392 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311	2393 if (b == uw_Basis_False)
adamc@285	2394 return "False";
adamc@285	2395 else
adamc@285	2396 return "True";
adamc@285	2397 }
adamc@288	2398
adamc@436	2399 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436	2400 size_t len;
adamc@436	2401 char *r;
adamc@436	2402 struct tm stm;
adamc@436	2403
adamc@436	2404 if (localtime_r(&t, &stm)) {
adamc@436	2405 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2406 r = ctx->heap.front;
adamc@436	2407 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2408 ctx->heap.front += len+1;
adamc@436	2409 return r;
adamc@436	2410 } else
adamc@436	2411 return "<Invalid time>";
adamc@436	2412 }
adamc@288	2413
adamc@311	2414 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288	2415 char *endptr;
adamc@311	2416 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288	2417
adamc@288	2418 if (s != '\0' && endptr == '\0') {
adamc@311	2419 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288	2420 *r = n;
adamc@288	2421 return r;
adamc@288	2422 } else
adamc@288	2423 return NULL;
adamc@288	2424 }
adamc@289	2425
adamc@311	2426 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289	2427 char *endptr;
adamc@311	2428 uw_Basis_float n = strtod(s, &endptr);
adamc@289	2429
adamc@289	2430 if (s != '\0' && endptr == '\0') {
adamc@311	2431 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289	2432 *r = n;
adamc@289	2433 return r;
adamc@289	2434 } else
adamc@289	2435 return NULL;
adamc@289	2436 }
adamc@289	2437
adamc@821	2438 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821	2439 if (s[0] == 0) {
adamc@821	2440 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2441 r[0] = 0;
adamc@821	2442 return r;
adamc@821	2443 } else if (s[1] != 0)
adamc@821	2444 return NULL;
adamc@821	2445 else {
adamc@821	2446 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2447 r[0] = s[0];
adamc@821	2448 return r;
adamc@821	2449 }
adamc@821	2450 }
adamc@821	2451
adamc@311	2452 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311	2453 static uw_Basis_bool true = uw_Basis_True;
adamc@311	2454 static uw_Basis_bool false = uw_Basis_False;
adamc@289	2455
adamc@289	2456 if (!strcasecmp (s, "True"))
adamc@289	2457 return &true;
adamc@289	2458 else if (!strcasecmp (s, "False"))
adamc@289	2459 return &false;
adamc@289	2460 else
adamc@289	2461 return NULL;
adamc@289	2462 }
adamc@292	2463
adamc@436	2464 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438	2465 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	2466 struct tm stm;
adamc@436	2467
adamc@439	2468 if (dot) {
adamc@439	2469 *dot = 0;
adamc@439	2470 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2471 *dot = '.';
adamc@439	2472 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439	2473 *r = mktime(&stm);
adamc@439	2474 return r;
adamc@439	2475 }
adamc@439	2476 else {
adamc@439	2477 *dot = '.';
adamc@439	2478 return NULL;
adamc@439	2479 }
adamc@436	2480 }
adamc@439	2481 else {
adamc@439	2482 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2483 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439	2484 *r = mktime(&stm);
adamc@439	2485 return r;
adamc@439	2486 }
adamc@439	2487 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439	2488 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439	2489 *r = mktime(&stm);
adamc@439	2490 return r;
adamc@439	2491 }
adamc@439	2492 else
adamc@439	2493 return NULL;
adamc@439	2494 }
adamc@436	2495 }
adamc@436	2496
adamc@311	2497 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292	2498 char *endptr;
adamc@311	2499 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292	2500
adamc@292	2501 if (s != '\0' && endptr == '\0')
adamc@292	2502 return n;
adamc@292	2503 else
adamc@311	2504 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292	2505 }
adamc@293	2506
adamc@682	2507 #include <errno.h>
adamc@682	2508
adamc@678	2509 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682	2510 unsigned long long n;
adamc@682	2511
adamc@682	2512 if (sscanf(s, "%llu", &n) < 1)
adamc@682	2513 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682	2514 else {
adamc@682	2515 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682	2516 return ch;
adamc@682	2517 }
adamc@682	2518 }
adamc@682	2519
adamc@682	2520 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678	2521 char *endptr;
adamc@682	2522 unsigned long n = strtoul(s, &endptr, 10);
adamc@678	2523
adamc@678	2524 if (s != '\0' && endptr == '\0')
adamc@678	2525 return n;
adamc@678	2526 else
adamc@682	2527 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678	2528 }
adamc@678	2529
adamc@311	2530 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293	2531 char *endptr;
adamc@311	2532 uw_Basis_float n = strtod(s, &endptr);
adamc@293	2533
adamc@293	2534 if (s != '\0' && endptr == '\0')
adamc@293	2535 return n;
adamc@293	2536 else
adamc@311	2537 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293	2538 }
adamc@293	2539
adamc@821	2540 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821	2541 if (s[0] == 0)
adamc@821	2542 return 0;
adamc@821	2543 else if (s[1] != 0)
adamc@821	2544 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821	2545 else
adamc@821	2546 return s[0];
adamc@821	2547 }
adamc@821	2548
adamc@311	2549 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296	2550 if (!strcasecmp(s, "T") \|\| !strcasecmp (s, "True"))
adamc@311	2551 return uw_Basis_True;
adamc@296	2552 else if (!strcasecmp(s, "F") \|\| !strcasecmp (s, "False"))
adamc@311	2553 return uw_Basis_False;
adamc@293	2554 else
adamc@311	2555 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293	2556 }
adamc@436	2557
adamc@436	2558 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438	2559 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	2560 struct tm stm = {};
adamc@436	2561
adamc@438	2562 if (dot) {
adamc@438	2563 *dot = 0;
adamc@438	2564 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438	2565 *dot = '.';
adamc@438	2566 return mktime(&stm);
adamc@438	2567 }
adamc@438	2568 else {
adamc@438	2569 *dot = '.';
adamc@438	2570 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2571 }
adamc@438	2572 }
adamc@438	2573 else {
adamc@439	2574 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439	2575 return mktime(&stm);
adamc@439	2576 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438	2577 return mktime(&stm);
adamc@438	2578 else
adamc@438	2579 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2580 }
adamc@436	2581 }
adamc@457	2582
adamc@939	2583 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adamc@939	2584 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@939	2585 struct tm stm = {};
adamc@939	2586
adamc@939	2587 if (dot) {
adamc@939	2588 *dot = 0;
adamc@939	2589 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@939	2590 *dot = '.';
adamc@939	2591 return mktime(&stm);
adamc@939	2592 }
adamc@939	2593 else {
adamc@939	2594 *dot = '.';
adamc@939	2595 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939	2596 }
adamc@939	2597 }
adamc@939	2598 else {
adamc@939	2599 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@939	2600 return mktime(&stm);
adamc@939	2601 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@939	2602 return mktime(&stm);
adamc@939	2603 } else
adamc@939	2604 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939	2605 }
adamc@939	2606 }
adamc@939	2607
adamc@742	2608 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742	2609 char *r = ctx->heap.front;
adamc@742	2610 uw_Basis_blob b = {len, r};
adamc@742	2611
adamc@742	2612 uw_check_heap(ctx, len);
adamc@742	2613
adamc@742	2614 while (*s) {
adamc@742	2615 if (s[0] == '\\') {
adamc@742	2616 if (s[1] == '\\') {
adamc@742	2617 *r++ = '\\';
adamc@742	2618 s += 2;
adamc@742	2619 } else if (isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])) {
adamc@742	2620 r++ = (s[1] - '0') 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742	2621 s += 4;
adamc@742	2622 }
adamc@742	2623 else {
adamc@742	2624 *r++ = '\\';
adamc@742	2625 ++s;
adamc@742	2626 }
adamc@742	2627 } else {
adamc@742	2628 *r++ = s[0];
adamc@742	2629 ++s;
adamc@742	2630 }
adamc@742	2631 }
adamc@742	2632
adamc@742	2633 b.size = r - ctx->heap.front;
adamc@742	2634 ctx->heap.front = r;
adamc@742	2635 return b;
adamc@742	2636 }
adamc@742	2637
adamc@463	2638 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463	2639 int len = strlen(c);
adamc@854	2640 char *p = ctx->outHeaders.start;
adamc@474	2641
adamc@474	2642 while (p = strstr(p, "\nSet-Cookie: ")) {
adamc@474	2643 char *p2;
adamc@474	2644 p += 13;
adamc@474	2645 p2 = strchr(p, '=');
adamc@474	2646
adamc@474	2647 if (p2) {
adamc@474	2648 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474	2649
adamc@474	2650 if (!strncasecmp(p, c, p2 - p)) {
adamc@474	2651 char *ret = uw_malloc(ctx, sz + 1);
adamc@474	2652 memcpy(ret, p2+1, sz);
adamc@474	2653 ret[sz] = 0;
adamc@474	2654 return ret;
adamc@474	2655 }
adamc@474	2656 }
adamc@474	2657 }
adamc@463	2658
adamc@854	2659 if (p = uw_Basis_requestHeader(ctx, "Cookie")) {
adamc@854	2660 while (1) {
adamc@854	2661 if (!strncmp(p, c, len) && p[len] == '=')
adamc@854	2662 return p + 1 + len;
adamc@854	2663 else if (p = strchr(p, ';'))
adamc@854	2664 p += 2;
adamc@463	2665 else
adamc@463	2666 return NULL;
adamc@463	2667 }
adamc@463	2668 }
adamc@792	2669
adamc@792	2670 return NULL;
adamc@457	2671 }
adamc@462	2672
adamc@466	2673 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v) {
adamc@462	2674 uw_write_header(ctx, "Set-Cookie: ");
adamc@462	2675 uw_write_header(ctx, c);
adamc@462	2676 uw_write_header(ctx, "=");
adamc@462	2677 uw_write_header(ctx, v);
adamc@466	2678 uw_write_header(ctx, "; path=");
adamc@466	2679 uw_write_header(ctx, prefix);
adamc@462	2680 uw_write_header(ctx, "\r\n");
adamc@462	2681
adamc@462	2682 return uw_unit_v;
adamc@462	2683 }
adamc@667	2684
adamc@682	2685 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682	2686 unsigned i;
adamc@682	2687 delta *d;
adamc@671	2688
adamc@682	2689 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682	2690 if (ctx->deltas[i].client == client)
adamc@682	2691 return &ctx->deltas[i];
adamc@671	2692
adamc@682	2693 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@682	2694 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@682	2695 buf_init(&ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682	2696 }
adamc@671	2697
adamc@682	2698 d = &ctx->deltas[ctx->used_deltas++];
adamc@682	2699 d->client = client;
adamc@682	2700 buf_reset(&d->msgs);
adamc@682	2701 return d;
adamc@671	2702 }
adamc@671	2703
adamc@668	2704 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682	2705 if (ctx->client == NULL)
adamc@682	2706 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671	2707
adamc@682	2708 return new_channel(ctx->client);
adamc@668	2709 }
adamc@668	2710
adamc@668	2711 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682	2712 delta *d = allocate_delta(ctx, chn.cli);
adamc@682	2713 size_t len;
adamc@682	2714 int preLen;
adamc@682	2715 char pre[INTS_MAX + 2];
adamc@668	2716
adamc@682	2717 len = strlen(msg);
adamc@682	2718
adamc@682	2719 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682	2720
adamc@682	2721 buf_append(&d->msgs, pre, preLen);
adamc@682	2722 buf_append(&d->msgs, msg, len);
adamc@682	2723 buf_append(&d->msgs, "\n", 1);
adamc@671	2724
adamc@671	2725 return uw_unit_v;
adamc@668	2726 }
adamc@671	2727
adamc@671	2728 int uw_db_commit(uw_context);
adamc@671	2729 int uw_db_rollback(uw_context);
adamc@671	2730
adamc@671	2731 void uw_commit(uw_context ctx) {
adamc@682	2732 unsigned i;
adamc@671	2733
adamc@771	2734 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771	2735 if (ctx->transactionals[i].rollback != NULL)
adamc@771	2736 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771	2737
adamc@771	2738 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771	2739 if (ctx->transactionals[i].rollback == NULL)
adamc@771	2740 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771	2741
adamc@771	2742 if (uw_db_commit(ctx))
adamc@671	2743 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@682	2744
adamc@682	2745 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682	2746 delta *d = &ctx->deltas[i];
adamc@682	2747 client *c = find_client(d->client);
adamc@682	2748
adamc@682	2749 assert (c != NULL && c->mode == USED);
adamc@682	2750
adamc@685	2751 client_send(c, &d->msgs);
adamc@682	2752 }
adamc@682	2753
adamc@682	2754 if (ctx->client)
adamc@685	2755 release_client(ctx->client);
adamc@771	2756
adamc@771	2757 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771	2758 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@916	2759
adamc@916	2760 // Splice script data into appropriate part of page
adamc@995	2761 if (ctx->returning_blob \|\| ctx->script_header[0] == 0) {
adamc@995	2762 char *start = strstr(ctx->page.start, "<sc>");
adamc@995	2763 if (start) {
adamc@995	2764 memmove(start, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995	2765 ctx->page.front -= 4;
adamc@995	2766 }
adamc@995	2767 } else if (buf_used(&ctx->script) == 0) {
adamc@916	2768 size_t len = strlen(ctx->script_header);
adamc@916	2769 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	2770 if (start) {
adamc@916	2771 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917	2772 start = strstr(ctx->page.start, "<sc>");
adamc@916	2773 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	2774 ctx->page.front += len - 4;
adamc@916	2775 memcpy(start, ctx->script_header, len);
adamc@916	2776 }
adamc@916	2777 } else {
adamc@916	2778 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916	2779 size_t lenP = lenH + 40 + len;
adamc@916	2780 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	2781 if (start) {
adamc@916	2782 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917	2783 start = strstr(ctx->page.start, "<sc>");
adamc@916	2784 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	2785 ctx->page.front += lenP - 4;
adamc@916	2786 memcpy(start, ctx->script_header, lenH);
adamc@916	2787 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916	2788 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916	2789 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916	2790 }
adamc@916	2791 }
adamc@671	2792 }
adamc@671	2793
adamc@671	2794 int uw_rollback(uw_context ctx) {
adamc@771	2795 size_t i;
adamc@885	2796 cleanup *cl;
adamc@771	2797
adamc@682	2798 if (ctx->client)
adamc@685	2799 release_client(ctx->client);
adamc@671	2800
adamc@885	2801 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@885	2802 cl->func(cl->arg);
adamc@885	2803
adamc@885	2804 ctx->cleanup_front = ctx->cleanup;
adamc@885	2805
adamc@771	2806 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771	2807 if (ctx->transactionals[i].rollback != NULL)
adamc@771	2808 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@771	2809
adamc@771	2810 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771	2811 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@771	2812
adamc@671	2813 return uw_db_rollback(ctx);
adamc@671	2814 }
adamc@683	2815
adamc@771	2816 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adamc@771	2817 uw_callback free) {
adamc@771	2818 if (commit == NULL)
adamc@771	2819 uw_error(ctx, FATAL, "uw_register_transactional: NULL commit callback");
adamc@771	2820
adamc@771	2821 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@771	2822 ctx->transactionals = realloc(ctx->transactionals, ctx->used_transactionals+1);
adamc@771	2823 ++ctx->n_transactionals;
adamc@771	2824 }
adamc@771	2825
adamc@771	2826 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771	2827 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771	2828 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771	2829 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771	2830 }
adamc@771	2831
adamc@683	2832
adamc@683	2833 // "Garbage collection"
adamc@683	2834
adamc@683	2835 void uw_expunger(uw_context ctx, uw_Basis_client cli);
adamc@683	2836
adamc@683	2837 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli) {
adamc@683	2838 int r = setjmp(ctx->jmp_buf);
adamc@683	2839
adamc@684	2840 if (r == 0) {
adamc@684	2841 if (uw_db_begin(ctx))
adamc@684	2842 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@683	2843 uw_expunger(ctx, cli);
adamc@684	2844 if (uw_db_commit(ctx))
adamc@684	2845 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@684	2846 }
adamc@683	2847
adamc@683	2848 return r;
adamc@683	2849 }
adamc@683	2850
adamc@683	2851 void uw_prune_clients(uw_context ctx) {
adamc@683	2852 client c, next, *prev = NULL;
adamc@683	2853 time_t cutoff;
adamc@683	2854
adamc@683	2855 cutoff = time(NULL) - uw_timeout;
adamc@683	2856
adamc@683	2857 pthread_mutex_lock(&clients_mutex);
adamc@683	2858
adamc@683	2859 for (c = clients_used; c; c = next) {
adamc@683	2860 next = c->next;
adamc@683	2861 pthread_mutex_lock(&c->lock);
adamc@685	2862 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683	2863 failure_kind fk = UNLIMITED_RETRY;
adamc@683	2864 if (prev)
adamc@683	2865 prev->next = next;
adamc@683	2866 else
adamc@683	2867 clients_used = next;
adamc@684	2868 uw_reset(ctx);
adamc@683	2869 while (fk == UNLIMITED_RETRY) {
adamc@683	2870 fk = uw_expunge(ctx, c->id);
adamc@684	2871 if (fk == UNLIMITED_RETRY) {
adamc@684	2872 uw_db_rollback(ctx);
adamc@684	2873 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683	2874 }
adamc@683	2875 }
adamc@684	2876 if (fk == SUCCESS)
adamc@684	2877 free_client(c);
adamc@684	2878 else {
adamc@684	2879 uw_db_rollback(ctx);
adamc@856	2880 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@684	2881 }
adamc@683	2882 }
adamc@683	2883 else
adamc@683	2884 prev = c;
adamc@683	2885 pthread_mutex_unlock(&c->lock);
adamc@683	2886 }
adamc@683	2887
adamc@683	2888 pthread_mutex_unlock(&clients_mutex);
adamc@683	2889 }
adamc@687	2890
adamc@687	2891 void uw_initializer(uw_context ctx);
adamc@687	2892
adamc@687	2893 failure_kind uw_initialize(uw_context ctx) {
adamc@687	2894 int r = setjmp(ctx->jmp_buf);
adamc@687	2895
adamc@687	2896 if (r == 0) {
adamc@687	2897 if (uw_db_begin(ctx))
adamc@687	2898 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@687	2899 uw_initializer(ctx);
adamc@687	2900 if (uw_db_commit(ctx))
adamc@687	2901 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687	2902 }
adamc@687	2903
adamc@687	2904 return r;
adamc@687	2905 }
adamc@717	2906
adamc@770	2907 extern int uw_check_url(const char *);
adamc@770	2908 extern int uw_check_mime(const char *);
adamc@770	2909
adamc@717	2910 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@770	2911 if (uw_check_url(s))
adamc@770	2912 return s;
adamc@770	2913 else
adamc@770	2914 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717	2915 }
adamc@734	2916
adamc@770	2917 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@770	2918 if (uw_check_url(s))
adamc@770	2919 return s;
adamc@770	2920 else
adamc@770	2921 return NULL;
adamc@770	2922 }
adamc@770	2923
adamc@770	2924 int mime_format(const char *s) {
adamc@770	2925 for (; *s; ++s)
adamc@770	2926 if (!isalnum(s) && s != '/' && s != '-' && s != '.')
adamc@770	2927 return 0;
adamc@770	2928
adamc@770	2929 return 1;
adamc@770	2930 }
adamc@770	2931
adamc@741	2932 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770	2933 if (!mime_format(s))
adamc@770	2934 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770	2935
adamc@770	2936 if (uw_check_mime(s))
adamc@770	2937 return s;
adamc@770	2938 else
adamc@770	2939 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770	2940 }
adamc@770	2941
adamc@770	2942 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770	2943 if (!mime_format(s))
adamc@770	2944 return NULL;
adamc@770	2945
adamc@770	2946 if (uw_check_mime(s))
adamc@770	2947 return s;
adamc@770	2948 else
adamc@770	2949 return NULL;
adamc@741	2950 }
adamc@741	2951
adamc@734	2952 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734	2953 return s ? s : "";
adamc@734	2954 }
adamc@734	2955
adamc@734	2956 extern int uw_hash_blocksize;
adamc@734	2957
adamc@734	2958 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734	2959 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734	2960 int i;
adamc@734	2961
adamc@734	2962 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734	2963 sprintf(&r[2i], "%.02X", ((unsigned char )sig)[i]);
adamc@734	2964
adamc@734	2965 return r;
adamc@734	2966 }
adamc@734	2967
adamc@734	2968 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@734	2969 return uw_cookie_sig(ctx);
adamc@734	2970 }
adamc@737	2971
adamc@737	2972 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737	2973 return f.name;
adamc@737	2974 }
adamc@737	2975
adamc@740	2976 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740	2977 return f.type;
adamc@740	2978 }
adamc@740	2979
adamc@745	2980 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745	2981 return b.size;
adamc@745	2982 }
adamc@745	2983
adamc@737	2984 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737	2985 return f.data;
adamc@737	2986 }
adamc@741	2987
adamc@741	2988 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741	2989 cleanup *cl;
adamc@741	2990 int len;
adamc@741	2991
adamc@921	2992 ctx->returning_blob = 1;
adamc@741	2993 buf_reset(&ctx->outHeaders);
adamc@741	2994 buf_reset(&ctx->page);
adamc@741	2995
adamc@856	2996 uw_write_header(ctx, on_success);
adamc@856	2997 uw_write_header(ctx, "Content-Type: ");
adamc@741	2998 uw_write_header(ctx, mimeType);
adamc@741	2999 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@741	3000 buf_check(&ctx->outHeaders, INTS_MAX);
adamc@741	3001 sprintf(ctx->outHeaders.front, "%d%n", b.size, &len);
adamc@741	3002 ctx->outHeaders.front += len;
adamc@741	3003 uw_write_header(ctx, "\r\n");
adamc@741	3004
adamc@741	3005 buf_append(&ctx->page, b.data, b.size);
adamc@741	3006
adamc@741	3007 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741	3008 cl->func(cl->arg);
adamc@741	3009
adamc@741	3010 ctx->cleanup_front = ctx->cleanup;
adamc@741	3011
adamc@741	3012 longjmp(ctx->jmp_buf, RETURN_BLOB);
adamc@741	3013 }
adamc@874	3014
adamc@874	3015 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874	3016 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874	3017
adamc@874	3018 for (; *s; ++s) {
adamc@874	3019 if (s[0] == '\'') {
adamc@874	3020 *r++ = '\'';
adamc@874	3021 for (++s; *s; ++s) {
adamc@874	3022 if (s[0] == '\'') {
adamc@874	3023 *r++ = '\'';
adamc@874	3024 break;
adamc@874	3025 } else if (s[0] == '\\') {
adamc@874	3026 if (s[1] == '\\') {
adamc@874	3027 *r++ = '\\';
adamc@874	3028 *r++ = '\\';
adamc@874	3029 ++s;
adamc@874	3030 } else if (s[1] == '\'') {
adamc@874	3031 *r++ = '\\';
adamc@874	3032 *r++ = '\'';
adamc@874	3033 ++s;
adamc@874	3034 } else
adamc@874	3035 *r++ = '\'';
adamc@874	3036 } else
adamc@874	3037 *r++ = s[0];
adamc@874	3038 }
adamc@874	3039 if (*s == 0) break;
adamc@874	3040 } else if (s[0] == 'T' && s[1] == '.')
adamc@874	3041 ++s;
adamc@874	3042 else
adamc@874	3043 *r++ = s[0];
adamc@874	3044 }
adamc@874	3045
adamc@874	3046 return r;
adamc@874	3047 }
adamc@874	3048
adamc@922	3049 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922	3050 va_list ap;
adamc@922	3051 size_t len = 1;
adamc@922	3052 char s, r, *s2;
adamc@922	3053
adamc@922	3054 va_start(ap, ctx);
adamc@922	3055 for (s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3056 len += strlen(s);
adamc@922	3057 va_end(ap);
adamc@922	3058
adamc@922	3059 r = uw_malloc(ctx, len);
adamc@922	3060 va_start(ap, ctx);
adamc@922	3061 for (s2 = r, s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3062 while (*s)
adamc@922	3063 s2++ = s++;
adamc@922	3064 va_end(ap);
adamc@922	3065 *s2 = 0;
adamc@922	3066
adamc@922	3067 return r;
adamc@922	3068 }
adamc@1006	3069
adamc@1006	3070 uw_Basis_time uw_Basis_now(uw_context ctx) {
adamc@1006	3071 return time(NULL);
adamc@1006	3072 }

Mercurial > urweb

annotate src/c/urweb.c @ 1039:8932f855fa85