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

annotate src/c/urweb.c @ 1093:8d3aa6c7cee0

Make summary unification more conservative; infer implicit arguments after applications

author	Adam Chlipala <adamc@hcoop.net>
date	Sat, 26 Dec 2009 11:56:40 -0500
parents	f1647f16097d
children	db52c32dbe42

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

Mercurial > urweb

annotate src/c/urweb.c @ 1093:8d3aa6c7cee0