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

annotate src/c/urweb.c @ 1408:56ba9c442a2d

Use sigFile again; do redirects in a way that is compatible with FastCGI

author	Adam Chlipala <adam@chlipala.net>
date	Thu, 20 Jan 2011 16:26:54 -0500
parents	7d963b8019e6
children	6ab04cb0e4db

rev	line source
adamc@1268	1 #include "config.h"
adamc@1268	2
adamc@117	3 #include <stdlib.h>
adamc@102	4 #include <stdio.h>
adamc@117	5 #include <string.h>
adamc@457	6 #include <strings.h>
adamc@106	7 #include <ctype.h>
adamc@167	8 #include <setjmp.h>
adamc@167	9 #include <stdarg.h>
adamc@682	10 #include <assert.h>
adamc@741	11 #include <ctype.h>
adamc@1114	12 #include <limits.h>
adamc@1113	13 #include <stdint.h>
adamc@1094	14 #include <sys/types.h>
adamc@1094	15 #include <sys/socket.h>
adam@1397	16 #include <openssl/des.h>
adam@1374	17 #include <time.h>
adamc@102	18
adamc@667	19 #include <pthread.h>
adamc@667	20
adamc@102	21 #include "types.h"
adamc@102	22
adamc@311	23 uw_unit uw_unit_v = {};
adamc@102	24
adamc@667	25
adamc@667	26 // Socket extras
adamc@667	27
adamc@863	28 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667	29 while (len > 0) {
adamc@856	30 ssize_t n = send(sock, buf, len, 0);
adamc@856	31
adamc@856	32 if (n < 0)
adamc@856	33 return n;
adamc@856	34
adamc@856	35 buf += n;
adamc@856	36 len -= n;
adamc@856	37 }
adamc@856	38
adamc@856	39 return 0;
adamc@856	40 }
adamc@856	41
adamc@856	42 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856	43 while (len > 0) {
adamc@856	44 ssize_t n = write(fd, buf, len);
adamc@667	45
adamc@667	46 if (n < 0)
adamc@667	47 return n;
adamc@667	48
adamc@667	49 buf += n;
adamc@667	50 len -= n;
adamc@667	51 }
adamc@667	52
adamc@667	53 return 0;
adamc@667	54 }
adamc@667	55
adamc@667	56
adamc@667	57 // Buffers
adamc@667	58
adam@1369	59 void uw_buffer_init(size_t max, uw_buffer *b, size_t s) {
adamc@1113	60 b->max = max;
adamc@667	61 b->front = b->start = malloc(s);
adamc@667	62 b->back = b->front + s;
adamc@667	63 }
adamc@667	64
adam@1369	65 void uw_buffer_free(uw_buffer *b) {
adamc@667	66 free(b->start);
adamc@667	67 }
adamc@667	68
adam@1369	69 void uw_buffer_reset(uw_buffer *b) {
adamc@667	70 b->front = b->start;
adamc@667	71 }
adamc@667	72
adam@1369	73 int uw_buffer_check(uw_buffer *b, size_t extra) {
adamc@667	74 if (b->back - b->front < extra) {
adamc@667	75 size_t desired = b->front - b->start + extra, next;
adamc@667	76 char *new_heap;
adamc@667	77
adamc@667	78 next = b->back - b->start;
adamc@667	79 if (next == 0)
adamc@667	80 next = 1;
adamc@667	81 for (; next < desired; next *= 2);
adamc@667	82
adamc@1134	83 if (next > b->max) {
adamc@1113	84 if (desired <= b->max)
adamc@1113	85 next = desired;
adamc@1113	86 else
adamc@1113	87 return 1;
adamc@1134	88 }
adamc@1113	89
adamc@667	90 new_heap = realloc(b->start, next);
adamc@667	91 b->front = new_heap + (b->front - b->start);
adamc@667	92 b->back = new_heap + next;
adamc@667	93 b->start = new_heap;
adamc@667	94 }
adamc@1113	95
adamc@1113	96 return 0;
adamc@1113	97 }
adamc@1113	98
adamc@1113	99 __attribute__((noreturn)) void uw_error(uw_context, failure_kind, const char *, ...);
adamc@1113	100
adam@1369	101 static void ctx_uw_buffer_check(uw_context ctx, const char kind, uw_buffer b, size_t extra) {
adam@1369	102 if (uw_buffer_check(b, extra))
adamc@1113	103 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@667	104 }
adamc@667	105
adam@1369	106 size_t uw_buffer_used(uw_buffer *b) {
adamc@667	107 return b->front - b->start;
adamc@667	108 }
adamc@667	109
adam@1369	110 size_t uw_buffer_avail(uw_buffer *b) {
adamc@667	111 return b->back - b->start;
adamc@667	112 }
adamc@667	113
adam@1369	114 int uw_buffer_append(uw_buffer b, const char s, size_t len) {
adam@1369	115 if (uw_buffer_check(b, len+1))
adamc@1113	116 return 1;
adamc@1113	117
adamc@1113	118 memcpy(b->front, s, len);
adamc@1113	119 b->front += len;
adamc@1113	120 *b->front = 0;
adamc@1113	121
adamc@1113	122 return 0;
adamc@1113	123 }
adamc@1113	124
adam@1369	125 static void ctx_uw_buffer_append(uw_context ctx, const char kind, uw_buffer b, const char *s, size_t len) {
adam@1369	126 ctx_uw_buffer_check(ctx, kind, b, len+1);
adamc@1113	127
adamc@668	128 memcpy(b->front, s, len);
adamc@668	129 b->front += len;
adamc@672	130 *b->front = 0;
adamc@668	131 }
adamc@667	132
adamc@668	133
adamc@672	134 // Persistent state types
adamc@667	135
adamc@667	136 typedef enum { UNUSED, USED } usage;
adamc@667	137
adamc@667	138 typedef struct client {
adamc@682	139 unsigned id;
adamc@667	140 usage mode;
adamc@682	141 int pass;
adamc@682	142 struct client *next;
adamc@689	143 pthread_mutex_t lock, pull_lock;
adam@1369	144 uw_buffer msgs;
adamc@682	145 int sock;
adamc@863	146 int (send)(int sockfd, const void buf, ssize_t len);
adamc@863	147 int (*close)(int fd);
adamc@682	148 time_t last_contact;
adamc@682	149 unsigned n_channels;
adamc@685	150 unsigned refcount;
adamc@1121	151 void *data;
adamc@667	152 } client;
adamc@667	153
adamc@672	154
adamc@672	155 // Persistent client state
adamc@672	156
adamc@682	157 static client *clients, clients_free, *clients_used;
adamc@682	158 static unsigned n_clients;
adamc@667	159
adamc@667	160 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667	161
adamc@1113	162 size_t uw_messages_max = SIZE_MAX;
adamc@1113	163 size_t uw_clients_max = SIZE_MAX;
adamc@1113	164
adamc@1121	165 void *uw_init_client_data();
adamc@1121	166 void uw_free_client_data(void *);
adamc@1121	167 void uw_copy_client_data(void dst, void src);
adamc@1121	168
adamc@682	169 static client *new_client() {
adamc@667	170 client *c;
adamc@667	171
adamc@667	172 pthread_mutex_lock(&clients_mutex);
adamc@667	173
adamc@667	174 if (clients_free) {
adamc@667	175 c = clients_free;
adamc@682	176 clients_free = clients_free->next;
adamc@667	177 }
adamc@1113	178 else if (n_clients >= uw_clients_max)
adamc@1113	179 return NULL;
adamc@667	180 else {
adamc@667	181 ++n_clients;
adamc@667	182 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667	183 c = malloc(sizeof(client));
adamc@667	184 c->id = n_clients-1;
adamc@682	185 pthread_mutex_init(&c->lock, NULL);
adamc@689	186 pthread_mutex_init(&c->pull_lock, NULL);
adam@1369	187 uw_buffer_init(uw_messages_max, &c->msgs, 0);
adamc@667	188 clients[n_clients-1] = c;
adamc@667	189 }
adamc@667	190
adamc@682	191 pthread_mutex_lock(&c->lock);
adamc@667	192 c->mode = USED;
adamc@682	193 c->pass = rand();
adamc@682	194 c->sock = -1;
adamc@682	195 c->last_contact = time(NULL);
adam@1369	196 uw_buffer_reset(&c->msgs);
adamc@682	197 c->n_channels = 0;
adamc@685	198 c->refcount = 0;
adamc@1121	199 c->data = uw_init_client_data();
adamc@682	200 pthread_mutex_unlock(&c->lock);
adamc@682	201
adamc@682	202 c->next = clients_used;
adamc@682	203 clients_used = c;
adamc@667	204
adamc@667	205 pthread_mutex_unlock(&clients_mutex);
adamc@667	206
adamc@667	207 return c;
adamc@667	208 }
adamc@667	209
adamc@685	210 static void use_client(client *c) {
adamc@685	211 pthread_mutex_lock(&c->lock);
adamc@685	212 ++c->refcount;
adamc@685	213 pthread_mutex_unlock(&c->lock);
adamc@689	214 pthread_mutex_lock(&c->pull_lock);
adamc@685	215 }
adamc@685	216
adamc@685	217 static void release_client(client *c) {
adamc@689	218 pthread_mutex_unlock(&c->pull_lock);
adamc@685	219 pthread_mutex_lock(&c->lock);
adamc@685	220 --c->refcount;
adamc@685	221 pthread_mutex_unlock(&c->lock);
adamc@689	222
adamc@685	223 }
adamc@685	224
adamc@856	225 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667	226
adamc@682	227 static client *find_client(unsigned id) {
adamc@667	228 client *c;
adamc@667	229
adamc@667	230 pthread_mutex_lock(&clients_mutex);
adamc@667	231
adamc@667	232 if (id >= n_clients) {
adamc@667	233 pthread_mutex_unlock(&clients_mutex);
adamc@668	234 return NULL;
adamc@667	235 }
adamc@667	236
adamc@667	237 c = clients[id];
adamc@667	238
adamc@668	239 pthread_mutex_unlock(&clients_mutex);
adamc@668	240 return c;
adamc@668	241 }
adamc@668	242
adamc@856	243 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@856	244
adamc@856	245 void uw_set_on_success(char *s) {
adamc@856	246 on_success = s;
adamc@856	247 }
adamc@856	248
adamc@863	249 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863	250 int (send)(int sockfd, const void buf, ssize_t len),
adamc@864	251 int (*close)(int fd),
adamc@864	252 void *logger_data, uw_logger log_error) {
adamc@682	253 client *c = find_client(id);
adamc@668	254
adamc@668	255 if (c == NULL) {
adamc@667	256 close(sock);
adamc@864	257 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667	258 return;
adamc@667	259 }
adamc@667	260
adamc@682	261 pthread_mutex_lock(&c->lock);
adamc@671	262
adamc@682	263 if (c->mode != USED) {
adamc@682	264 pthread_mutex_unlock(&c->lock);
adamc@667	265 close(sock);
adamc@864	266 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667	267 return;
adamc@667	268 }
adamc@667	269
adamc@682	270 if (pass != c->pass) {
adamc@682	271 pthread_mutex_unlock(&c->lock);
adamc@682	272 close(sock);
adamc@864	273 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682	274 return;
adamc@667	275 }
adamc@667	276
adamc@682	277 if (c->sock != -1) {
adamc@863	278 c->close(c->sock);
adamc@682	279 c->sock = -1;
adamc@682	280 }
adamc@667	281
adamc@682	282 c->last_contact = time(NULL);
adamc@682	283
adam@1369	284 if (uw_buffer_used(&c->msgs) > 0) {
adamc@863	285 send(sock, on_success, strlen(on_success));
adamc@863	286 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369	287 send(sock, c->msgs.start, uw_buffer_used(&c->msgs));
adam@1369	288 uw_buffer_reset(&c->msgs);
adamc@667	289 close(sock);
adamc@667	290 }
adamc@863	291 else {
adamc@682	292 c->sock = sock;
adamc@863	293 c->send = send;
adamc@863	294 c->close = close;
adamc@863	295 }
adamc@667	296
adamc@682	297 pthread_mutex_unlock(&c->lock);
adamc@667	298 }
adamc@667	299
adamc@682	300 static void free_client(client *c) {
adamc@682	301 c->mode = UNUSED;
adamc@682	302 c->pass = -1;
adamc@667	303
adamc@682	304 c->next = clients_free;
adamc@682	305 clients_free = c;
adamc@667	306 }
adamc@667	307
adamc@682	308 static uw_Basis_channel new_channel(client *c) {
adamc@682	309 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668	310 return ch;
adamc@668	311 }
adamc@668	312
adam@1369	313 static void client_send(client c, uw_buffer msg) {
adamc@685	314 pthread_mutex_lock(&c->lock);
adamc@671	315
adamc@682	316 if (c->sock != -1) {
adamc@863	317 c->send(c->sock, on_success, strlen(on_success));
adamc@863	318 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adam@1369	319 c->send(c->sock, msg->start, uw_buffer_used(msg));
adamc@863	320 c->close(c->sock);
adamc@682	321 c->sock = -1;
adam@1369	322 } else if (uw_buffer_append(&c->msgs, msg->start, uw_buffer_used(msg)))
adamc@1113	323 fprintf(stderr, "Client message buffer size exceeded");
adamc@671	324
adamc@685	325 pthread_mutex_unlock(&c->lock);
adamc@668	326 }
adamc@668	327
adamc@668	328
adamc@668	329 // Global entry points
adamc@668	330
adamc@1164	331 extern void uw_global_custom();
adamc@1104	332 extern void uw_init_crypto();
adamc@1104	333
adamc@668	334 void uw_global_init() {
adamc@668	335 srand(time(NULL) ^ getpid());
adamc@668	336
adamc@668	337 clients = malloc(0);
adamc@1104	338
adamc@1164	339 uw_global_custom();
adamc@1104	340 uw_init_crypto();
adamc@1094	341 }
adamc@1094	342
adamc@1094	343 void uw_app_init(uw_app *app) {
adamc@1094	344 app->client_init();
adamc@668	345 }
adamc@668	346
adam@1332	347 int uw_time = 0, uw_time_max = 0, uw_min_heap = 0;
adamc@1114	348
adamc@668	349
adamc@667	350 // Single-request state
adamc@667	351
adamc@323	352 typedef struct regions {
adamc@323	353 struct regions *next;
adamc@323	354 } regions;
adamc@323	355
adamc@425	356 typedef struct {
adamc@425	357 void (func)(void);
adamc@425	358 void *arg;
adamc@425	359 } cleanup;
adamc@425	360
adamc@671	361 typedef struct {
adamc@682	362 unsigned client;
adam@1369	363 uw_buffer msgs;
adamc@682	364 } delta;
adamc@671	365
adamc@737	366 typedef enum {
adamc@759	367 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737	368 } input_kind;
adamc@737	369
adamc@756	370 typedef struct input {
adamc@737	371 input_kind kind;
adamc@737	372 union {
adamc@737	373 char *normal;
adamc@739	374 uw_Basis_file file;
adamc@756	375 struct {
adamc@759	376 struct input fields, parent;
adamc@756	377 } subform;
adamc@759	378 struct {
adamc@759	379 struct input entries, parent;
adamc@759	380 } subforms;
adamc@759	381 struct {
adamc@759	382 struct input fields, next, *parent;
adamc@759	383 } entry;
adamc@737	384 } data;
adamc@737	385 } input;
adamc@737	386
adamc@771	387 typedef struct {
adamc@771	388 void *data;
adam@1327	389 uw_callback commit, rollback;
adam@1327	390 uw_callback_with_retry free;
adamc@771	391 } transactional;
adamc@771	392
adamc@1061	393 typedef struct {
adamc@1061	394 char *name;
adamc@1061	395 void *data;
adamc@1061	396 void (free)(void);
adamc@1061	397 } global;
adamc@1061	398
adamc@311	399 struct uw_context {
adamc@1094	400 uw_app *app;
adamc@1094	401
adamc@854	402 char (get_header)(void , const char );
adamc@854	403 void *get_header_data;
adamc@457	404
adam@1369	405 uw_buffer outHeaders, page, heap, script;
adamc@1065	406 int returning_indirectly;
adamc@759	407 input inputs, subinputs, *cur_container;
adamc@1094	408 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167	409
adamc@565	410 int source_count;
adamc@562	411
adamc@272	412 void *db;
adamc@272	413
adamc@167	414 jmp_buf jmp_buf;
adamc@167	415
adamc@323	416 regions *regions;
adamc@323	417
adamc@425	418 cleanup cleanup, cleanup_front, *cleanup_back;
adamc@425	419
adamc@1094	420 const char *script_header;
adamc@643	421
adamc@736	422 int needs_push, needs_sig;
adamc@693	423
adamc@682	424 size_t n_deltas, used_deltas;
adamc@682	425 delta *deltas;
adamc@671	426
adamc@682	427 client *client;
adamc@682	428
adamc@771	429 transactional *transactionals;
adamc@771	430 size_t n_transactionals, used_transactionals;
adamc@771	431
adamc@1061	432 global *globals;
adamc@1061	433 size_t n_globals;
adamc@1061	434
adamc@1066	435 char *current_url;
adamc@1066	436
adamc@1114	437 int deadline;
adamc@1114	438
adamc@1121	439 void *client_data;
adamc@1121	440
adam@1334	441 void *logger_data;
adam@1334	442 uw_logger log_debug;
adam@1334	443
adam@1386	444 int isPost, hasPostBody;
adam@1347	445 uw_Basis_postBody postBody;
adam@1370	446 uw_Basis_string queryString;
adam@1347	447
adamc@167	448 char error_message[ERROR_BUF_LEN];
adamc@117	449 };
adamc@117	450
adamc@1113	451 size_t uw_headers_max = SIZE_MAX;
adamc@1113	452 size_t uw_page_max = SIZE_MAX;
adamc@1113	453 size_t uw_heap_max = SIZE_MAX;
adamc@1113	454 size_t uw_script_max = SIZE_MAX;
adamc@1113	455
adam@1334	456 uw_context uw_init(void *logger_data, uw_logger log_debug) {
adamc@311	457 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136	458
adamc@1094	459 ctx->app = NULL;
adamc@1094	460
adamc@854	461 ctx->get_header = NULL;
adamc@854	462 ctx->get_header_data = NULL;
adamc@457	463
adam@1369	464 uw_buffer_init(uw_headers_max, &ctx->outHeaders, 0);
adam@1369	465 uw_buffer_init(uw_page_max, &ctx->page, 0);
adamc@1065	466 ctx->returning_indirectly = 0;
adam@1369	467 uw_buffer_init(uw_heap_max, &ctx->heap, uw_min_heap);
adam@1369	468 uw_buffer_init(uw_script_max, &ctx->script, 1);
adamc@667	469 ctx->script.start[0] = 0;
adamc@136	470
adamc@1094	471 ctx->inputs = malloc(0);
adamc@759	472 ctx->cur_container = NULL;
adamc@756	473 ctx->subinputs = malloc(0);
adamc@1094	474 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144	475
adamc@272	476 ctx->db = NULL;
adamc@272	477
adamc@323	478 ctx->regions = NULL;
adamc@323	479
adamc@425	480 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425	481
adamc@643	482 ctx->script_header = "";
adamc@693	483 ctx->needs_push = 0;
adamc@736	484 ctx->needs_sig = 0;
adamc@1104	485
adamc@565	486 ctx->source_count = 0;
adamc@562	487
adamc@682	488 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671	489 ctx->deltas = malloc(0);
adamc@671	490
adamc@700	491 ctx->client = NULL;
adamc@700	492
adamc@700	493 ctx->error_message[0] = 0;
adamc@700	494
adamc@771	495 ctx->transactionals = malloc(0);
adamc@771	496 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771	497
adamc@1061	498 ctx->globals = malloc(0);
adamc@1061	499 ctx->n_globals = 0;
adamc@1061	500
adamc@1066	501 ctx->current_url = "";
adamc@1066	502
adamc@1114	503 ctx->deadline = INT_MAX;
adamc@1114	504
adamc@1121	505 ctx->client_data = uw_init_client_data();
adamc@1121	506
adam@1334	507 ctx->logger_data = logger_data;
adam@1334	508 ctx->log_debug = log_debug;
adam@1334	509
adam@1386	510 ctx->isPost = ctx->hasPostBody = 0;
adam@1347	511
adam@1370	512 ctx->queryString = NULL;
adam@1370	513
adamc@117	514 return ctx;
adamc@106	515 }
adamc@106	516
adamc@1113	517 size_t uw_inputs_max = SIZE_MAX;
adamc@1113	518
adamc@1121	519 uw_app *uw_get_app(uw_context ctx) {
adamc@1121	520 return ctx->app;
adamc@1121	521 }
adamc@1121	522
adamc@1113	523 int uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094	524 ctx->app = app;
adamc@1094	525
adamc@1105	526 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1113	527 if (app->inputs_len > uw_inputs_max)
adamc@1113	528 return 1;
adamc@1113	529
adamc@1094	530 ctx->sz_inputs = app->inputs_len;
adamc@1094	531 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094	532 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094	533 }
adamc@1134	534
adamc@1134	535 return 0;
adamc@1094	536 }
adamc@1094	537
adamc@1121	538 void uw_set_client_data(uw_context ctx, void *data) {
adamc@1121	539 uw_copy_client_data(ctx->client_data, data);
adamc@1121	540 }
adamc@1121	541
adamc@311	542 void uw_set_db(uw_context ctx, void *db) {
adamc@272	543 ctx->db = db;
adamc@272	544 }
adamc@272	545
adamc@311	546 void *uw_get_db(uw_context ctx) {
adamc@272	547 return ctx->db;
adamc@272	548 }
adamc@272	549
adamc@311	550 void uw_free(uw_context ctx) {
adamc@671	551 size_t i;
adamc@671	552
adam@1369	553 uw_buffer_free(&ctx->outHeaders);
adam@1369	554 uw_buffer_free(&ctx->script);
adam@1369	555 uw_buffer_free(&ctx->page);
adam@1369	556 uw_buffer_free(&ctx->heap);
adamc@144	557 free(ctx->inputs);
adamc@756	558 free(ctx->subinputs);
adamc@425	559 free(ctx->cleanup);
adamc@771	560 free(ctx->transactionals);
adamc@1121	561 uw_free_client_data(ctx->client_data);
adamc@671	562
adamc@682	563 for (i = 0; i < ctx->n_deltas; ++i)
adam@1369	564 uw_buffer_free(&ctx->deltas[i].msgs);
marco-oweber@1330	565 free(ctx->deltas);
adamc@671	566
adamc@1061	567 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089	568 if (ctx->globals[i].free)
adamc@1089	569 ctx->globals[i].free(ctx->globals[i].data);
marco-oweber@1330	570 free(ctx->globals);
adamc@1061	571
adamc@136	572 free(ctx);
adamc@136	573 }
adamc@136	574
adamc@562	575 void uw_reset_keep_error_message(uw_context ctx) {
adam@1369	576 uw_buffer_reset(&ctx->outHeaders);
adam@1369	577 uw_buffer_reset(&ctx->script);
adamc@667	578 ctx->script.start[0] = 0;
adam@1369	579 uw_buffer_reset(&ctx->page);
adamc@1065	580 ctx->returning_indirectly = 0;
adam@1369	581 uw_buffer_reset(&ctx->heap);
adamc@323	582 ctx->regions = NULL;
adamc@425	583 ctx->cleanup_front = ctx->cleanup;
adamc@565	584 ctx->source_count = 0;
adamc@682	585 ctx->used_deltas = 0;
adamc@682	586 ctx->client = NULL;
adamc@759	587 ctx->cur_container = NULL;
adamc@771	588 ctx->used_transactionals = 0;
adamc@1117	589 ctx->script_header = "";
adam@1386	590 ctx->isPost = ctx->hasPostBody = 0;
adam@1370	591 ctx->queryString = NULL;
adamc@167	592 }
adamc@167	593
adamc@562	594 void uw_reset_keep_request(uw_context ctx) {
adamc@562	595 uw_reset_keep_error_message(ctx);
adamc@562	596 ctx->error_message[0] = 0;
adamc@167	597 }
adamc@167	598
adamc@311	599 void uw_reset(uw_context ctx) {
adamc@311	600 uw_reset_keep_request(ctx);
adamc@1105	601 if (ctx->app)
adamc@1105	602 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756	603 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756	604 ctx->used_subinputs = 0;
adamc@144	605 }
adamc@144	606
adamc@311	607 failure_kind uw_begin_init(uw_context ctx) {
adamc@272	608 int r = setjmp(ctx->jmp_buf);
adamc@272	609
adamc@1105	610 if (r == 0 && ctx->app)
adamc@1094	611 ctx->app->db_init(ctx);
adamc@272	612
adamc@272	613 return r;
adamc@272	614 }
adamc@272	615
adamc@1118	616 void uw_close(uw_context ctx) {
adamc@1118	617 ctx->app->db_close(ctx);
adamc@1118	618 }
adamc@1118	619
adamc@854	620 void uw_set_headers(uw_context ctx, char (get_header)(void , const char ), void *get_header_data) {
adamc@854	621 ctx->get_header = get_header;
adamc@854	622 ctx->get_header_data = get_header_data;
adamc@742	623 }
adamc@742	624
adamc@801	625 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801	626 va_list ap;
adamc@801	627 va_start(ap, fmt);
adamc@801	628
adamc@801	629 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801	630 }
adamc@801	631
adamc@1131	632 int uw_has_error(uw_context ctx) {
adamc@1131	633 return ctx->error_message[0] != 0;
adamc@1131	634 }
adamc@1131	635
adamc@311	636 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425	637 cleanup *cl;
adamc@425	638
adamc@167	639 va_list ap;
adamc@167	640 va_start(ap, fmt);
adamc@167	641
adamc@167	642 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167	643
adamc@425	644 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425	645 cl->func(cl->arg);
adamc@425	646
adamc@425	647 ctx->cleanup_front = ctx->cleanup;
adamc@425	648
adamc@190	649 longjmp(ctx->jmp_buf, fk);
adamc@167	650 }
adamc@167	651
adamc@1113	652 size_t uw_cleanup_max = SIZE_MAX;
adamc@1113	653
adamc@425	654 void uw_push_cleanup(uw_context ctx, void (func)(void ), void *arg) {
adamc@425	655 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425	656 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425	657 if (len == 0)
adamc@425	658 newLen = 1;
adamc@425	659 else
adamc@428	660 newLen = len * 2;
adamc@1113	661
adamc@1134	662 if (newLen > uw_cleanup_max) {
adamc@1113	663 if (len+1 <= uw_cleanup_max)
adamc@1113	664 newLen = uw_cleanup_max;
adamc@1113	665 else
adamc@1113	666 uw_error(ctx, FATAL, "Exceeded limit on number of cleanup handlers");
adamc@1134	667 }
adamc@1113	668
adamc@470	669 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425	670 ctx->cleanup_front = ctx->cleanup + len;
adamc@425	671 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425	672 }
adamc@425	673
adamc@425	674 ctx->cleanup_front->func = func;
adamc@425	675 ctx->cleanup_front->arg = arg;
adamc@425	676 ++ctx->cleanup_front;
adamc@425	677 }
adamc@425	678
adamc@682	679 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854	680 return ctx->get_header(ctx->get_header_data, h);
adamc@682	681 }
adamc@682	682
adamc@682	683 void uw_login(uw_context ctx) {
adamc@693	684 if (ctx->needs_push) {
adamc@682	685 char id_s, pass_s;
adamc@682	686
adamc@682	687 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682	688 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682	689 unsigned id = atoi(id_s);
adamc@682	690 int pass = atoi(pass_s);
adamc@682	691 client *c = find_client(id);
adamc@682	692
adamc@682	693 if (c == NULL)
adamc@682	694 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682	695 else {
adamc@685	696 use_client(c);
adamc@682	697 ctx->client = c;
adamc@682	698
adamc@682	699 if (c->mode != USED)
adamc@682	700 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682	701 if (c->pass != pass)
adamc@682	702 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682	703 }
adamc@682	704 } else {
adamc@682	705 client *c = new_client();
adamc@1113	706
adamc@1113	707 if (c == NULL)
adamc@1113	708 uw_error(ctx, FATAL, "Limit exceeded on number of message-passing clients");
adamc@1113	709
adamc@685	710 use_client(c);
adamc@1121	711 uw_copy_client_data(c->data, ctx->client_data);
adamc@682	712 ctx->client = c;
adamc@864	713 }
adamc@682	714 }
adamc@682	715 }
adamc@682	716
adamc@671	717 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671	718 int r = setjmp(ctx->jmp_buf);
adamc@671	719
adamc@671	720 if (r == 0) {
adamc@1094	721 if (ctx->app->db_begin(ctx))
adamc@671	722 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682	723
adamc@1094	724 ctx->app->handle(ctx, path);
adamc@671	725 }
adamc@671	726
adamc@671	727 return r;
adamc@671	728 }
adamc@671	729
adamc@772	730 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682	731 if (ctx->client == NULL)
adamc@682	732 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682	733
adamc@682	734 return ctx->client->id;
adamc@682	735 }
adamc@682	736
adamc@425	737 void uw_pop_cleanup(uw_context ctx) {
adamc@425	738 if (ctx->cleanup_front == ctx->cleanup)
adamc@425	739 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425	740
adamc@425	741 --ctx->cleanup_front;
adamc@425	742 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425	743 }
adamc@425	744
adamc@311	745 char *uw_error_message(uw_context ctx) {
adamc@167	746 return ctx->error_message;
adamc@167	747 }
adamc@167	748
adamc@1115	749 void uw_set_error_message(uw_context ctx, const char *msg) {
adamc@1115	750 strncpy(ctx->error_message, msg, sizeof(ctx->error_message));
adamc@1115	751 ctx->error_message[sizeof(ctx->error_message)-1] = 0;
adamc@1115	752 }
adamc@1115	753
adamc@759	754 static input *INP(uw_context ctx) {
adamc@759	755 if (ctx->cur_container == NULL)
adamc@759	756 return ctx->inputs;
adamc@759	757 else if (ctx->cur_container->kind == SUBFORM)
adamc@759	758 return ctx->cur_container->data.subform.fields;
adamc@759	759 else if (ctx->cur_container->kind == ENTRY)
adamc@759	760 return ctx->cur_container->data.entry.fields;
adamc@759	761 else
adamc@760	762 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759	763 }
adamc@759	764
adamc@760	765 static void adjust_pointer(input *ptr, input old_start, input *new_start, size_t len) {
adamc@760	766 if (ptr != NULL && ptr >= old_start && *ptr < old_start + len)
adamc@760	767 *ptr += new_start - old_start;
adamc@760	768 }
adamc@760	769
adamc@760	770 static void adjust_input(input x, input old_start, input *new_start, size_t len) {
adamc@759	771 switch (x->kind) {
adamc@759	772 case SUBFORM:
adamc@760	773 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760	774 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759	775 break;
adamc@759	776 case SUBFORMS:
adamc@760	777 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760	778 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759	779 break;
adamc@759	780 case ENTRY:
adamc@760	781 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760	782 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760	783 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@1134	784 break;
adamc@1134	785 default:
adamc@1134	786 break;
adamc@759	787 }
adamc@759	788 }
adamc@759	789
adamc@1113	790 size_t uw_subinputs_max = SIZE_MAX;
adamc@1113	791
adamc@759	792 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759	793 size_t i;
adamc@759	794 input *r;
adamc@759	795
adamc@759	796 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@1113	797 if (ctx->used_subinputs + len > uw_subinputs_max)
adamc@1113	798 uw_error(ctx, FATAL, "Exceeded limit on number of subinputs");
adamc@1113	799
adamc@759	800 input new_subinputs = realloc(ctx->subinputs, sizeof(input) (ctx->used_subinputs + len));
adamc@759	801
adamc@760	802 if (ctx->subinputs != new_subinputs) {
adamc@760	803 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760	804 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094	805 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760	806 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	807
adamc@760	808 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	809
adamc@760	810 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760	811 ctx->subinputs = new_subinputs;
adamc@760	812 }
adamc@759	813 }
adamc@759	814
adamc@759	815 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759	816
adamc@759	817 for (i = 0; i < len; ++i)
adamc@759	818 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759	819
adamc@759	820 return r;
adamc@759	821 }
adamc@756	822
adamc@801	823 int uw_set_input(uw_context ctx, const char name, char value) {
adamc@1050	824 //printf("Input name %s\n", name);
adamc@1038	825
adamc@756	826 if (!strcasecmp(name, ".b")) {
adamc@1094	827 int n = ctx->app->input_num(value);
adamc@756	828 input *inps;
adamc@756	829
adamc@801	830 if (n < 0) {
adamc@801	831 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801	832 return -1;
adamc@801	833 }
adamc@801	834
adamc@1094	835 if (n >= ctx->app->inputs_len) {
adamc@801	836 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801	837 return -1;
adamc@801	838 }
adamc@756	839
adamc@1094	840 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759	841
adamc@759	842 INP(ctx)[n].kind = SUBFORM;
adamc@759	843 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759	844 INP(ctx)[n].data.subform.fields = inps;
adamc@759	845 ctx->cur_container = &INP(ctx)[n];
adamc@756	846 } else if (!strcasecmp(name, ".e")) {
adamc@756	847 input *tmp;
adamc@756	848
adamc@801	849 if (ctx->cur_container == NULL) {
adamc@801	850 uw_set_error(ctx, "Unmatched subform closer");
adamc@801	851 return -1;
adamc@801	852 }
adamc@756	853
adamc@759	854 tmp = ctx->cur_container;
adamc@759	855 switch (tmp->kind) {
adamc@759	856 case SUBFORM:
adamc@759	857 ctx->cur_container = tmp->data.subform.parent;
adamc@759	858 tmp->data.subform.parent = NULL;
adamc@759	859 break;
adamc@759	860 case SUBFORMS:
adamc@759	861 ctx->cur_container = tmp->data.subforms.parent;
adamc@759	862 tmp->data.subforms.parent = NULL;
adamc@759	863 break;
adamc@759	864 case ENTRY:
adamc@759	865 ctx->cur_container = tmp->data.entry.parent;
adamc@759	866 break;
adamc@759	867 default:
adamc@801	868 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801	869 return -1;
adamc@759	870 }
adamc@759	871 } else if (!strcasecmp(name, ".s")) {
adamc@1094	872 int n = ctx->app->input_num(value);
adamc@759	873
adamc@801	874 if (n < 0) {
adamc@801	875 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801	876 return -1;
adamc@801	877 }
adamc@801	878
adamc@1094	879 if (n >= ctx->app->inputs_len) {
adamc@801	880 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801	881 return -1;
adamc@801	882 }
adamc@759	883
adamc@759	884 INP(ctx)[n].kind = SUBFORMS;
adamc@759	885 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	886 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759	887 ctx->cur_container = &INP(ctx)[n];
adamc@759	888 } else if (!strcasecmp(name, ".i")) {
adamc@759	889 input *inps;
adamc@759	890
adamc@801	891 if (!ctx->cur_container) {
adamc@801	892 uw_set_error(ctx, "New entry without container");
adamc@801	893 return -1;
adamc@801	894 }
adamc@801	895
adamc@801	896 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801	897 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801	898 return -1;
adamc@801	899 }
adamc@759	900
adamc@1094	901 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759	902
adamc@759	903 inps->kind = ENTRY;
adamc@759	904 inps->data.entry.parent = ctx->cur_container;
adamc@759	905 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759	906 ctx->cur_container->data.subforms.entries = inps;
adamc@759	907
adamc@759	908 inps->data.entry.fields = inps+1;
adamc@759	909 ctx->cur_container = inps;
adamc@756	910 } else {
adamc@1094	911 int n = ctx->app->input_num(name);
adamc@756	912
adam@1384	913 if (n < 0)
adam@1384	914 return 0;
adamc@801	915
adamc@1094	916 if (n >= ctx->app->inputs_len) {
adamc@801	917 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801	918 return -1;
adamc@801	919 }
adamc@756	920
adamc@756	921 INP(ctx)[n].kind = NORMAL;
adamc@756	922 INP(ctx)[n].data.normal = value;
adamc@756	923 }
adamc@801	924
adamc@801	925 return 0;
adamc@144	926 }
adamc@144	927
adamc@311	928 char *uw_get_input(uw_context ctx, int n) {
adamc@169	929 if (n < 0)
adamc@311	930 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	931 if (n >= ctx->app->inputs_len)
adamc@311	932 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	933
adamc@756	934 switch (INP(ctx)[n].kind) {
adamc@737	935 case UNSET:
adamc@737	936 return NULL;
adamc@739	937 case FIL:
adamc@739	938 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	939 case SUBFORM:
adamc@756	940 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	941 case SUBFORMS:
adamc@759	942 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	943 case ENTRY:
adamc@759	944 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	945 case NORMAL:
adamc@756	946 return INP(ctx)[n].data.normal;
adamc@737	947 default:
adamc@737	948 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	949 }
adamc@138	950 }
adamc@138	951
adamc@311	952 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190	953 if (n < 0)
adamc@311	954 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	955 if (n >= ctx->app->inputs_len)
adamc@311	956 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	957
adamc@756	958 switch (INP(ctx)[n].kind) {
adamc@737	959 case UNSET:
adamc@737	960 return "";
adamc@739	961 case FIL:
adamc@739	962 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	963 case SUBFORM:
adamc@756	964 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	965 case SUBFORMS:
adamc@759	966 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	967 case ENTRY:
adamc@759	968 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	969 case NORMAL:
adamc@756	970 return INP(ctx)[n].data.normal;
adamc@737	971 default:
adamc@737	972 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	973 }
adamc@737	974 }
adamc@737	975
adamc@801	976 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094	977 int n = ctx->app->input_num(name);
adamc@737	978
adamc@801	979 if (n < 0) {
adamc@801	980 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801	981 return -1;
adamc@801	982 }
adamc@801	983
adamc@1094	984 if (n >= ctx->app->inputs_len) {
adamc@801	985 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801	986 return -1;
adamc@801	987 }
adamc@737	988
adamc@739	989 ctx->inputs[n].kind = FIL;
adamc@739	990 ctx->inputs[n].data.file = f;
adamc@801	991
adamc@801	992 return 0;
adamc@737	993 }
adamc@737	994
adamc@739	995 void *uw_malloc(uw_context ctx, size_t len);
adamc@739	996
adamc@739	997 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737	998 if (n < 0)
adamc@737	999 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094	1000 if (n >= ctx->app->inputs_len)
adamc@737	1001 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737	1002
adamc@756	1003 switch (INP(ctx)[n].kind) {
adamc@737	1004 case UNSET:
adamc@737	1005 {
adamc@739	1006 char *data = uw_malloc(ctx, 0);
adamc@740	1007 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739	1008 return f;
adamc@737	1009 }
adamc@739	1010 case FIL:
adamc@756	1011 return INP(ctx)[n].data.file;
adamc@737	1012 case NORMAL:
adamc@737	1013 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756	1014 case SUBFORM:
adamc@756	1015 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759	1016 case SUBFORMS:
adamc@759	1017 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759	1018 case ENTRY:
adamc@759	1019 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737	1020 default:
adamc@737	1021 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	1022 }
adamc@190	1023 }
adamc@190	1024
adamc@756	1025 void uw_enter_subform(uw_context ctx, int n) {
adamc@756	1026 if (n < 0)
adamc@756	1027 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094	1028 if (n >= ctx->app->inputs_len)
adamc@756	1029 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756	1030
adamc@756	1031 switch (INP(ctx)[n].kind) {
adamc@756	1032 case UNSET:
adamc@756	1033 uw_error(ctx, FATAL, "Missing subform");
adamc@756	1034 case FIL:
adamc@756	1035 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756	1036 case NORMAL:
adamc@756	1037 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759	1038 case SUBFORMS:
adamc@759	1039 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759	1040 case ENTRY:
adamc@759	1041 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756	1042 case SUBFORM:
adamc@759	1043 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760	1044 ctx->cur_container = &INP(ctx)[n];
adamc@756	1045 return;
adamc@756	1046 default:
adamc@756	1047 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756	1048 }
adamc@756	1049 }
adamc@756	1050
adamc@756	1051 void uw_leave_subform(uw_context ctx) {
adamc@756	1052 input *tmp;
adamc@756	1053
adamc@759	1054 if (ctx->cur_container == NULL)
adamc@756	1055 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756	1056
adamc@759	1057 tmp = ctx->cur_container;
adamc@759	1058 ctx->cur_container = tmp->data.subform.parent;
adamc@759	1059 tmp->data.subform.parent = NULL;
adamc@759	1060 }
adamc@759	1061
adamc@759	1062 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759	1063 input *inps;
adamc@759	1064
adamc@759	1065 if (n < 0)
adamc@759	1066 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094	1067 if (n >= ctx->app->inputs_len)
adamc@759	1068 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759	1069
adamc@759	1070 switch (INP(ctx)[n].kind) {
adamc@759	1071 case UNSET:
adamc@759	1072 uw_error(ctx, FATAL, "Missing subforms");
adamc@759	1073 case FIL:
adamc@759	1074 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759	1075 case NORMAL:
adamc@759	1076 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759	1077 case SUBFORM:
adamc@759	1078 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759	1079 case ENTRY:
adamc@759	1080 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759	1081 case SUBFORMS:
adamc@759	1082 inps = INP(ctx)[n].data.subforms.entries;
adamc@759	1083 if (inps) {
adamc@759	1084 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	1085 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759	1086 return 1;
adamc@759	1087 } else
adamc@759	1088 return 0;
adamc@759	1089 default:
adamc@759	1090 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1091 }
adamc@759	1092 }
adamc@759	1093
adamc@759	1094 int uw_next_entry(uw_context ctx) {
adamc@759	1095 if (ctx->cur_container == NULL)
adamc@759	1096 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759	1097
adamc@759	1098 switch (ctx->cur_container->kind) {
adamc@759	1099 case UNSET:
adamc@759	1100 uw_error(ctx, FATAL, "Missing entry");
adamc@759	1101 case FIL:
adamc@759	1102 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759	1103 case NORMAL:
adamc@759	1104 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759	1105 case SUBFORM:
adamc@759	1106 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759	1107 case SUBFORMS:
adamc@759	1108 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759	1109 case ENTRY:
adamc@759	1110 if (ctx->cur_container->data.entry.next) {
adamc@759	1111 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759	1112 return 1;
adamc@759	1113 } else {
adamc@759	1114 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759	1115 return 0;
adamc@759	1116 }
adamc@759	1117 default:
adamc@759	1118 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1119 }
adamc@756	1120 }
adamc@756	1121
adamc@643	1122 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643	1123 ctx->script_header = s;
adamc@643	1124 }
adamc@643	1125
adamc@1094	1126 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094	1127 return ctx->app->url_prefix;
adamc@667	1128 }
adamc@667	1129
adamc@693	1130 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693	1131 ctx->needs_push = n;
adamc@693	1132 }
adamc@693	1133
adamc@736	1134 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736	1135 ctx->needs_sig = n;
adamc@736	1136 }
adamc@736	1137
adamc@667	1138
adam@1369	1139 static void uw_buffer_check_ctx(uw_context ctx, const char kind, uw_buffer b, size_t extra, const char *desc) {
adamc@666	1140 if (b->back - b->front < extra) {
adamc@666	1141 size_t desired = b->front - b->start + extra, next;
adamc@136	1142 char *new_heap;
adamc@136	1143
adamc@666	1144 next = b->back - b->start;
adamc@317	1145 if (next == 0)
adamc@317	1146 next = 1;
adamc@317	1147 for (; next < desired; next *= 2);
adamc@136	1148
adamc@1134	1149 if (next > b->max) {
adamc@1113	1150 if (desired <= b->max)
adamc@1113	1151 next = desired;
adamc@1113	1152 else
adamc@1113	1153 uw_error(ctx, FATAL, "Memory limit exceeded (%s)", kind);
adamc@1134	1154 }
adamc@1113	1155
adamc@666	1156 new_heap = realloc(b->start, next);
adamc@666	1157 b->front = new_heap + (b->front - b->start);
adamc@666	1158 b->back = new_heap + next;
adamc@136	1159
adamc@667	1160 if (new_heap != b->start) {
adamc@666	1161 b->start = new_heap;
adam@1389	1162 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously; increasing size to %llu", desc, (unsigned long long)next);
adamc@136	1163 }
adamc@136	1164
adamc@666	1165 b->start = new_heap;
adamc@136	1166 }
adamc@136	1167 }
adamc@136	1168
adamc@832	1169 void uw_check_heap(uw_context ctx, size_t extra) {
adam@1369	1170 uw_buffer_check_ctx(ctx, "heap", &ctx->heap, extra, "heap chunk");
adamc@666	1171 }
adamc@666	1172
adamc@832	1173 char *uw_heap_front(uw_context ctx) {
adamc@832	1174 return ctx->heap.front;
adamc@832	1175 }
adamc@832	1176
adamc@832	1177 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832	1178 ctx->heap.front = fr;
adamc@832	1179 }
adamc@832	1180
adamc@311	1181 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136	1182 void *result;
adamc@136	1183
adamc@311	1184 uw_check_heap(ctx, len);
adamc@136	1185
adamc@666	1186 result = ctx->heap.front;
adamc@666	1187 ctx->heap.front += len;
adamc@136	1188 return result;
adamc@117	1189 }
adamc@117	1190
adamc@323	1191 void uw_begin_region(uw_context ctx) {
adamc@666	1192 regions r = (regions ) ctx->heap.front;
adamc@323	1193
adamc@323	1194 uw_check_heap(ctx, sizeof(regions));
adamc@323	1195
adamc@666	1196 ctx->heap.front += sizeof(regions);
adamc@323	1197
adamc@323	1198 r->next = ctx->regions;
adamc@323	1199 ctx->regions = r;
adamc@323	1200 }
adamc@323	1201
adamc@323	1202 void uw_end_region(uw_context ctx) {
adamc@323	1203 regions *r = ctx->regions;
adamc@323	1204
adamc@323	1205 if (r == NULL)
adamc@323	1206 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323	1207
adamc@666	1208 ctx->heap.front = (char *) r;
adamc@323	1209 ctx->regions = r->next;
adamc@323	1210 }
adamc@323	1211
adamc@324	1212 void uw_memstats(uw_context ctx) {
adam@1369	1213 printf("Headers: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->outHeaders), (unsigned long)uw_buffer_avail(&ctx->outHeaders));
adam@1369	1214 printf("Script: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->script), (unsigned long)uw_buffer_avail(&ctx->script));
adam@1369	1215 printf("Page: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->page), (unsigned long)uw_buffer_avail(&ctx->page));
adam@1369	1216 printf("Heap: %lu/%lu\n", (unsigned long)uw_buffer_used(&ctx->heap), (unsigned long)uw_buffer_avail(&ctx->heap));
adamc@324	1217 }
adamc@324	1218
adamc@311	1219 int uw_send(uw_context ctx, int sock) {
adamc@666	1220 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462	1221
adamc@462	1222 if (n < 0)
adamc@462	1223 return n;
adamc@462	1224
adamc@462	1225 n = uw_really_send(sock, "\r\n", 2);
adamc@462	1226
adamc@462	1227 if (n < 0)
adamc@462	1228 return n;
adamc@462	1229
adamc@666	1230 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462	1231 }
adamc@462	1232
adamc@856	1233 int uw_print(uw_context ctx, int fd) {
adamc@856	1234 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856	1235
adamc@856	1236 if (n < 0)
adamc@856	1237 return n;
adamc@856	1238
adamc@856	1239 n = uw_really_write(fd, "\r\n", 2);
adamc@856	1240
adamc@856	1241 if (n < 0)
adamc@856	1242 return n;
adamc@856	1243
adamc@856	1244 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856	1245 }
adamc@856	1246
adamc@860	1247 int uw_output(uw_context ctx, int (output)(void data, char buf, size_t len), void data) {
adamc@860	1248 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860	1249
adamc@860	1250 if (n < 0)
adamc@860	1251 return n;
adamc@860	1252
adamc@860	1253 n = output(data, "\r\n", 2);
adamc@860	1254
adamc@860	1255 if (n < 0)
adamc@860	1256 return n;
adamc@860	1257
adamc@860	1258 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860	1259 }
adamc@860	1260
adamc@462	1261 static void uw_check_headers(uw_context ctx, size_t extra) {
adam@1369	1262 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, extra);
adamc@462	1263 }
adamc@462	1264
adamc@462	1265 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462	1266 int len = strlen(s);
adamc@462	1267
adamc@462	1268 uw_check_headers(ctx, len + 1);
adamc@666	1269 strcpy(ctx->outHeaders.front, s);
adamc@666	1270 ctx->outHeaders.front += len;
adamc@562	1271 }
adamc@562	1272
adamc@1110	1273 void uw_clear_headers(uw_context ctx) {
adam@1369	1274 uw_buffer_reset(&ctx->outHeaders);
adamc@1110	1275 }
adamc@1110	1276
adamc@562	1277 static void uw_check_script(uw_context ctx, size_t extra) {
adam@1369	1278 ctx_uw_buffer_check(ctx, "script", &ctx->script, extra);
adamc@562	1279 }
adamc@562	1280
adamc@562	1281 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562	1282 int len = strlen(s);
adamc@562	1283
adamc@562	1284 uw_check_script(ctx, len + 1);
adamc@666	1285 strcpy(ctx->script.front, s);
adamc@666	1286 ctx->script.front += len;
adamc@562	1287 }
adamc@562	1288
adamc@645	1289 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916	1290 return "<sc>";
adamc@565	1291 }
adamc@565	1292
adamc@695	1293 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695	1294 if (s[0] == 0)
adamc@695	1295 return "";
adamc@695	1296 else {
adamc@695	1297 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695	1298 sprintf(r, " onload='%s'", s);
adamc@695	1299 return r;
adamc@695	1300 }
adamc@695	1301 }
adamc@695	1302
adamc@1042	1303 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042	1304 if (ctx->script_header[0] == 0)
adamc@1042	1305 return "";
adamc@1042	1306 else {
adamc@1042	1307 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042	1308 sprintf(r, " onunload='unload();%s'", s);
adamc@1042	1309 return r;
adamc@1042	1310 }
adamc@1042	1311 }
adamc@1042	1312
adamc@694	1313 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736	1314 if (ctx->client == NULL) {
adamc@736	1315 if (ctx->needs_sig) {
adamc@1094	1316 char *sig = ctx->app->cookie_sig(ctx);
adamc@736	1317 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736	1318 sprintf(r, "sig=\"%s\";", sig);
adamc@736	1319 return r;
adamc@736	1320 }
adamc@736	1321 else
adamc@736	1322 return "";
adamc@736	1323 } else {
adamc@1094	1324 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094	1325 char r = uw_malloc(ctx, 59 + 3 INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736	1326 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736	1327 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682	1328 ctx->client->id,
adamc@682	1329 ctx->client->pass,
adamc@1094	1330 ctx->app->url_prefix,
adamc@1094	1331 ctx->app->timeout,
adamc@736	1332 ctx->needs_sig ? "sig=\"" : "",
adamc@736	1333 sig,
adamc@736	1334 ctx->needs_sig ? "\";" : "");
adamc@679	1335 return r;
adamc@668	1336 }
adamc@667	1337 }
adamc@667	1338
adamc@574	1339 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574	1340 char r, s2;
adamc@574	1341
adamc@574	1342 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574	1343
adamc@666	1344 r = s2 = ctx->heap.front;
adamc@574	1345 *s2++ = '"';
adamc@574	1346
adamc@574	1347 for (; *s; s++) {
adam@1286	1348 unsigned char c = *s;
adamc@574	1349
adamc@574	1350 switch (c) {
adamc@574	1351 case '"':
adamc@574	1352 strcpy(s2, "\\\"");
adamc@574	1353 s2 += 2;
adamc@574	1354 break;
adamc@1027	1355 case '\'':
adamc@1027	1356 strcpy(s2, "\\047");
adamc@1027	1357 s2 += 4;
adamc@1027	1358 break;
adamc@574	1359 case '\\':
adamc@574	1360 strcpy(s2, "\\\\");
adamc@574	1361 s2 += 2;
adamc@574	1362 break;
adamc@574	1363 default:
adam@1286	1364 if (isprint((int)c) \|\| c >= 128)
adamc@574	1365 *s2++ = c;
adamc@574	1366 else {
adamc@574	1367 sprintf(s2, "\\%3o", c);
adamc@574	1368 s2 += 4;
adamc@574	1369 }
adamc@574	1370 }
adamc@574	1371 }
adamc@574	1372
adamc@574	1373 strcpy(s2, "\"");
adamc@910	1374 ctx->heap.front = s2 + 2;
adamc@574	1375 return r;
adamc@574	1376 }
adamc@574	1377
adam@1286	1378 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c1) {
adam@1286	1379 unsigned char c = c1;
adamc@1025	1380 char r, s2;
adamc@1025	1381
adamc@1025	1382 uw_check_heap(ctx, 6);
adamc@1025	1383
adamc@1025	1384 r = s2 = ctx->heap.front;
adamc@1025	1385 *s2++ = '"';
adamc@1025	1386
adamc@1025	1387 switch (c) {
adamc@1025	1388 case '"':
adamc@1025	1389 strcpy(s2, "\\\"");
adamc@1025	1390 s2 += 2;
adamc@1025	1391 break;
adamc@1027	1392 case '\'':
adamc@1027	1393 strcpy(s2, "\\047");
adamc@1027	1394 s2 += 4;
adamc@1027	1395 break;
adamc@1025	1396 case '\\':
adamc@1025	1397 strcpy(s2, "\\\\");
adamc@1025	1398 s2 += 2;
adamc@1025	1399 break;
adamc@1025	1400 default:
adam@1286	1401 if (isprint((int)c) \|\| c >= 128)
adamc@1025	1402 *s2++ = c;
adamc@1025	1403 else {
adam@1286	1404 sprintf(s2, "\\%3o", (unsigned char)c);
adamc@1025	1405 s2 += 4;
adamc@1025	1406 }
adamc@1025	1407 }
adamc@1025	1408
adamc@1025	1409 strcpy(s2, "\"");
adamc@1025	1410 ctx->heap.front = s2 + 2;
adamc@1025	1411 return r;
adamc@1025	1412 }
adamc@1025	1413
adamc@574	1414 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574	1415 char r, s2;
adamc@574	1416
adamc@574	1417 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574	1418
adamc@666	1419 r = s2 = ctx->script.front;
adamc@574	1420 *s2++ = '"';
adamc@574	1421
adamc@574	1422 for (; *s; s++) {
adam@1286	1423 unsigned char c = *s;
adamc@574	1424
adamc@574	1425 switch (c) {
adamc@577	1426 case '\'':
adamc@1027	1427 strcpy(s2, "\\");
adamc@574	1428 s2 += 2;
adamc@574	1429 break;
adamc@574	1430 case '\\':
adamc@574	1431 strcpy(s2, "\\\\");
adamc@574	1432 s2 += 2;
adamc@574	1433 break;
adamc@574	1434 default:
adam@1286	1435 if (isprint((int)c) \|\| c >= 128)
adamc@574	1436 *s2++ = c;
adamc@574	1437 else {
adamc@574	1438 sprintf(s2, "\\%3o", c);
adamc@574	1439 s2 += 4;
adamc@574	1440 }
adamc@574	1441 }
adamc@574	1442 }
adamc@574	1443
adamc@574	1444 strcpy(s2, "\"");
adamc@666	1445 ctx->script.front = s2 + 1;
adamc@574	1446 return r;
adamc@574	1447 }
adamc@574	1448
adamc@682	1449 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1450 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1451 return "null";
adamc@682	1452 else {
adamc@682	1453 int len;
adamc@682	1454 char *r;
adamc@682	1455
adamc@682	1456 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1457 r = ctx->heap.front;
adamc@682	1458 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1459 ctx->heap.front += len+1;
adamc@682	1460 return r;
adamc@682	1461 }
adamc@682	1462 }
adamc@682	1463
adamc@577	1464 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577	1465 int len;
adamc@577	1466 size_t s_len = strlen(s);
adamc@562	1467
adamc@970	1468 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970	1469 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666	1470 ctx->script.front += len;
adamc@666	1471 strcpy(ctx->script.front, s);
adamc@666	1472 ctx->script.front += s_len;
adamc@970	1473 strcpy(ctx->script.front, "));");
adamc@972	1474 ctx->script.front += 3;
adamc@562	1475
adamc@565	1476 return ctx->source_count++;
adamc@117	1477 }
adamc@117	1478
adamc@577	1479 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577	1480 int len;
adamc@577	1481 size_t s_len = strlen(s);
adamc@577	1482
adamc@970	1483 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970	1484 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666	1485 ctx->script.front += len;
adamc@666	1486 strcpy(ctx->script.front, s);
adamc@666	1487 ctx->script.front += s_len;
adamc@970	1488 strcpy(ctx->script.front, "));");
adamc@972	1489 ctx->script.front += 3;
adamc@577	1490
adamc@577	1491 return uw_unit_v;
adamc@577	1492 }
adamc@577	1493
adamc@311	1494 static void uw_check(uw_context ctx, size_t extra) {
adam@1369	1495 ctx_uw_buffer_check(ctx, "page", &ctx->page, extra);
adamc@117	1496 }
adamc@117	1497
adamc@311	1498 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666	1499 *(ctx->page.front)++ = c;
adamc@117	1500 }
adamc@117	1501
adamc@311	1502 void uw_writec(uw_context ctx, char c) {
adamc@311	1503 uw_check(ctx, 1);
adamc@311	1504 uw_writec_unsafe(ctx, c);
adamc@117	1505 }
adamc@117	1506
adamc@311	1507 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117	1508 int len = strlen(s);
adamc@666	1509 memcpy(ctx->page.front, s, len);
adamc@666	1510 ctx->page.front += len;
adamc@117	1511 }
adamc@117	1512
adamc@311	1513 void uw_write(uw_context ctx, const char* s) {
adamc@311	1514 uw_check(ctx, strlen(s) + 1);
adamc@311	1515 uw_write_unsafe(ctx, s);
adamc@666	1516 *ctx->page.front = 0;
adamc@102	1517 }
adamc@106	1518
adamc@311	1519 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136	1520 char *result;
adamc@136	1521 int len;
adamc@311	1522 uw_check_heap(ctx, INTS_MAX);
adamc@666	1523 result = ctx->heap.front;
adamc@276	1524 sprintf(result, "%lld%n", n, &len);
adamc@666	1525 ctx->heap.front += len+1;
adamc@136	1526 return result;
adamc@106	1527 }
adamc@106	1528
adamc@311	1529 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136	1530 char *result;
adamc@136	1531 int len;
adamc@311	1532 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1533 result = ctx->heap.front;
adamc@136	1534 sprintf(result, "%g%n", n, &len);
adamc@666	1535 ctx->heap.front += len+1;
adamc@136	1536 return result;
adamc@106	1537 }
adamc@106	1538
adamc@311	1539 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136	1540 int len = strlen(s);
adamc@136	1541 char result, p;
adamc@311	1542 uw_check_heap(ctx, len * 6 + 1);
adamc@136	1543
adamc@666	1544 result = p = ctx->heap.front;
adamc@136	1545
adamc@136	1546 for (; *s; s++) {
adamc@1054	1547 unsigned char c = *s;
adamc@136	1548
adamc@136	1549 if (c == '"') {
adamc@136	1550 strcpy(p, """);
adamc@136	1551 p += 6;
adamc@136	1552 } else if (c == '&') {
adamc@136	1553 strcpy(p, "&");
adamc@136	1554 p += 5;
adamc@136	1555 }
adamc@1059	1556 else
adamc@136	1557 *p++ = c;
adamc@136	1558 }
adamc@136	1559
adamc@137	1560 *p++ = 0;
adamc@666	1561 ctx->heap.front = p;
adamc@136	1562 return result;
adamc@106	1563 }
adamc@106	1564
adamc@1011	1565 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	1566 char result, p;
adamc@1011	1567 uw_check_heap(ctx, 7);
adamc@1011	1568
adamc@1011	1569 result = p = ctx->heap.front;
adamc@1011	1570
adamc@1011	1571 if (c == '"') {
adamc@1011	1572 strcpy(p, """);
adamc@1011	1573 p += 6;
adamc@1011	1574 } else if (c == '&') {
adamc@1011	1575 strcpy(p, "&");
adamc@1011	1576 p += 5;
adamc@1011	1577 }
adamc@1059	1578 else
adamc@1011	1579 *p++ = c;
adamc@1011	1580
adamc@1011	1581 *p++ = 0;
adamc@1011	1582 ctx->heap.front = p;
adamc@1011	1583 return result;
adamc@1011	1584 }
adamc@1011	1585
adamc@721	1586 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721	1587 return s;
adamc@721	1588 }
adamc@721	1589
adamc@311	1590 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117	1591 int len;
adamc@117	1592
adamc@666	1593 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1594 ctx->page.front += len;
adamc@106	1595 }
adamc@106	1596
adamc@428	1597 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1598 uw_check(ctx, INTS_MAX);
adamc@311	1599 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428	1600
adamc@428	1601 return uw_unit_v;
adamc@106	1602 }
adamc@106	1603
adamc@428	1604 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117	1605 int len;
adamc@117	1606
adamc@311	1607 uw_check(ctx, FLOATS_MAX);
adamc@666	1608 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1609 ctx->page.front += len;
adamc@428	1610
adamc@428	1611 return uw_unit_v;
adamc@117	1612 }
adamc@117	1613
adamc@428	1614 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311	1615 uw_check(ctx, strlen(s) * 6);
adamc@117	1616
adamc@106	1617 for (; *s; s++) {
adamc@1054	1618 unsigned char c = *s;
adamc@106	1619
adamc@106	1620 if (c == '"')
adamc@311	1621 uw_write_unsafe(ctx, """);
adamc@136	1622 else if (c == '&')
adamc@311	1623 uw_write_unsafe(ctx, "&");
adamc@1059	1624 else
adamc@311	1625 uw_writec_unsafe(ctx, c);
adamc@106	1626 }
adamc@428	1627
adamc@428	1628 return uw_unit_v;
adamc@106	1629 }
adamc@120	1630
adamc@1011	1631 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011	1632 uw_check(ctx, 6);
adamc@1011	1633
adamc@1011	1634 if (c == '"')
adamc@1011	1635 uw_write_unsafe(ctx, """);
adamc@1011	1636 else if (c == '&')
adamc@1011	1637 uw_write_unsafe(ctx, "&");
adamc@1059	1638 else
adamc@1011	1639 uw_writec_unsafe(ctx, c);
adamc@1011	1640
adamc@1011	1641 return uw_unit_v;
adamc@1011	1642 }
adamc@1011	1643
adamc@120	1644
adamc@311	1645 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137	1646 int len;
adamc@137	1647 char *r;
adamc@137	1648
adamc@311	1649 uw_check_heap(ctx, INTS_MAX);
adamc@666	1650 r = ctx->heap.front;
adamc@276	1651 sprintf(r, "%lld%n", n, &len);
adamc@666	1652 ctx->heap.front += len+1;
adamc@137	1653 return r;
adamc@120	1654 }
adamc@120	1655
adamc@682	1656 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1657 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1658 return "";
adamc@682	1659 else {
adamc@682	1660 int len;
adamc@682	1661 char *r;
adamc@679	1662
adamc@682	1663 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1664 r = ctx->heap.front;
adamc@682	1665 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1666 ctx->heap.front += len+1;
adamc@682	1667 return r;
adamc@682	1668 }
adamc@679	1669 }
adamc@679	1670
adamc@311	1671 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137	1672 int len;
adamc@137	1673 char *r;
adamc@137	1674
adamc@311	1675 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1676 r = ctx->heap.front;
adamc@137	1677 sprintf(r, "%g%n", n, &len);
adamc@666	1678 ctx->heap.front += len+1;
adamc@137	1679 return r;
adamc@120	1680 }
adamc@120	1681
adamc@311	1682 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1683 char r, p;
adamc@137	1684
adamc@925	1685 if (s[0] == '\0')
adamc@925	1686 return "_";
adamc@925	1687
adamc@925	1688 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925	1689
adamc@925	1690 r = p = ctx->heap.front;
adamc@925	1691 if (s[0] == '_')
adamc@925	1692 *p++ = '_';
adamc@925	1693
adamc@925	1694 for (; *s; s++) {
adamc@1087	1695 unsigned char c = *s;
adamc@137	1696
adamc@137	1697 if (c == ' ')
adamc@137	1698 *p++ = '+';
adamc@137	1699 else if (isalnum(c))
adamc@137	1700 *p++ = c;
adamc@137	1701 else {
adamc@1259	1702 sprintf(p, ".%02X", c);
adamc@137	1703 p += 3;
adamc@137	1704 }
adamc@137	1705 }
adamc@137	1706
adamc@137	1707 *p++ = 0;
adamc@666	1708 ctx->heap.front = p;
adamc@137	1709 return r;
adamc@120	1710 }
adamc@120	1711
adamc@311	1712 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1713 if (b == uw_Basis_False)
adamc@186	1714 return "0";
adamc@186	1715 else
adamc@186	1716 return "1";
adamc@186	1717 }
adamc@186	1718
adamc@311	1719 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120	1720 int len;
adamc@120	1721
adamc@666	1722 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1723 ctx->page.front += len;
adamc@120	1724 }
adamc@120	1725
adamc@428	1726 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1727 uw_check(ctx, INTS_MAX);
adamc@311	1728 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428	1729
adamc@428	1730 return uw_unit_v;
adamc@120	1731 }
adamc@120	1732
adamc@682	1733 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1734 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682	1735 int len;
adamc@682	1736
adamc@682	1737 uw_check(ctx, INTS_MAX + 1);
adamc@682	1738 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682	1739 ctx->page.front += len;
adamc@682	1740 }
adamc@682	1741
adamc@679	1742 return uw_unit_v;
adamc@679	1743 }
adamc@679	1744
adamc@428	1745 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120	1746 int len;
adamc@120	1747
adamc@311	1748 uw_check(ctx, FLOATS_MAX);
adamc@666	1749 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1750 ctx->page.front += len;
adamc@428	1751
adamc@428	1752 return uw_unit_v;
adamc@120	1753 }
adamc@120	1754
adamc@488	1755 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@1376	1756 return uw_Basis_urlifyInt(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adamc@488	1757 }
adamc@488	1758
adam@1404	1759 uw_unit uw_Basis_urlifyTime_w(uw_context ctx, uw_Basis_time t) {
adam@1404	1760 return uw_Basis_urlifyInt_w(ctx, (uw_Basis_int)t.seconds * 1000000 + t.microseconds);
adam@1404	1761 }
adam@1404	1762
adamc@428	1763 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925	1764 if (s[0] == '\0') {
adamc@925	1765 uw_check(ctx, 1);
adamc@925	1766 uw_writec_unsafe(ctx, '_');
adamc@925	1767 return uw_unit_v;
adamc@925	1768 }
adamc@925	1769
adamc@925	1770 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925	1771
adamc@925	1772 if (s[0] == '_')
adamc@925	1773 uw_writec_unsafe(ctx, '_');
adamc@120	1774
adamc@120	1775 for (; *s; s++) {
adamc@1087	1776 unsigned char c = *s;
adamc@120	1777
adamc@120	1778 if (c == ' ')
adamc@311	1779 uw_writec_unsafe(ctx, '+');
adamc@120	1780 else if (isalnum(c))
adamc@311	1781 uw_writec_unsafe(ctx, c);
adamc@120	1782 else {
adamc@1259	1783 sprintf(ctx->page.front, ".%02X", c);
adamc@666	1784 ctx->page.front += 3;
adamc@120	1785 }
adamc@120	1786 }
adamc@428	1787
adamc@428	1788 return uw_unit_v;
adamc@120	1789 }
adamc@120	1790
adamc@428	1791 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1792 if (b == uw_Basis_False)
adamc@311	1793 uw_writec(ctx, '0');
adamc@186	1794 else
adamc@311	1795 uw_writec(ctx, '1');
adamc@428	1796
adamc@428	1797 return uw_unit_v;
adamc@186	1798 }
adamc@186	1799
adamc@120	1800
adamc@311	1801 static char uw_unurlify_advance(char s) {
adamc@144	1802 char *new_s = strchr(s, '/');
adamc@120	1803
adamc@120	1804 if (new_s)
adamc@120	1805 *new_s++ = 0;
adamc@120	1806 else
adamc@144	1807 new_s = strchr(s, 0);
adamc@144	1808
adamc@144	1809 return new_s;
adamc@144	1810 }
adamc@144	1811
adamc@311	1812 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311	1813 char new_s = uw_unurlify_advance(s);
adamc@311	1814 uw_Basis_int r;
adamc@120	1815
adamc@276	1816 r = atoll(*s);
adamc@120	1817 *s = new_s;
adamc@120	1818 return r;
adamc@120	1819 }
adamc@120	1820
adamc@311	1821 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311	1822 char new_s = uw_unurlify_advance(s);
adamc@311	1823 uw_Basis_float r;
adamc@120	1824
adamc@120	1825 r = atof(*s);
adamc@120	1826 *s = new_s;
adamc@120	1827 return r;
adamc@120	1828 }
adamc@120	1829
adamc@488	1830 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adam@1365	1831 uw_Basis_int n = uw_Basis_unurlifyInt(ctx, s);
adam@1365	1832 uw_Basis_time r = {n / 1000000, n % 1000000};
adam@1365	1833 return r;
adamc@488	1834 }
adamc@488	1835
adamc@1023	1836 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char r, char s) {
adamc@927	1837 char s1, s2 = s;
adamc@144	1838 int n;
adamc@136	1839
adamc@1023	1840 if (!fromClient) {
adamc@1023	1841 if (*s2 == '_')
adamc@1023	1842 ++s2;
adamc@1259	1843 else if ((s2[0] == '%' \|\| s2[0] == '.') && s2[1] == '5' && (s2[2] == 'f' \|\| s2[2] == 'F'))
adamc@1023	1844 s2 += 3;
adamc@1023	1845 }
adamc@925	1846
adamc@927	1847 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087	1848 unsigned char c = *s2;
adamc@136	1849
adamc@136	1850 switch (c) {
adamc@136	1851 case '+':
adamc@136	1852 *s1 = ' ';
adamc@136	1853 break;
adamc@136	1854 case '%':
adamc@169	1855 if (s2[1] == 0)
adamc@311	1856 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169	1857 if (s2[2] == 0)
adamc@311	1858 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169	1859 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311	1860 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136	1861 *s1 = n;
adamc@136	1862 s2 += 2;
adamc@136	1863 break;
adamc@1259	1864 case '.':
adamc@1259	1865 if (!fromClient) {
adamc@1259	1866 if (s2[1] == 0)
adamc@1259	1867 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@1259	1868 if (s2[2] == 0)
adamc@1259	1869 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@1259	1870 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@1259	1871 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@1259	1872 *s1 = n;
adamc@1259	1873 s2 += 2;
adamc@1259	1874 break;
adamc@1259	1875 }
adamc@136	1876 default:
adamc@136	1877 *s1 = c;
adamc@136	1878 }
adamc@136	1879 }
adamc@136	1880 *s1++ = 0;
adamc@144	1881 return s1;
adamc@144	1882 }
adamc@144	1883
adamc@311	1884 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311	1885 char new_s = uw_unurlify_advance(s);
adamc@311	1886 uw_Basis_bool r;
adamc@186	1887
adamc@186	1888 if (s[0] == 0 \|\| !strcmp(s, "0") \|\| !strcmp(*s, "off"))
adamc@311	1889 r = uw_Basis_False;
adamc@186	1890 else
adamc@311	1891 r = uw_Basis_True;
adamc@186	1892
adamc@186	1893 *s = new_s;
adamc@186	1894 return r;
adamc@186	1895 }
adamc@186	1896
adamc@311	1897 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311	1898 char new_s = uw_unurlify_advance(s);
adamc@1134	1899 char *r;
adamc@1134	1900 int len;
adamc@144	1901
adamc@200	1902 len = strlen(*s);
adamc@311	1903 uw_check_heap(ctx, len + 1);
adamc@144	1904
adamc@666	1905 r = ctx->heap.front;
adamc@1023	1906 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023	1907 *s = new_s;
adamc@1023	1908 return r;
adamc@1023	1909 }
adamc@1023	1910
adamc@1109	1911 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109	1912 s = uw_unurlify_advance(s);
adamc@1109	1913 return uw_unit_v;
adamc@1109	1914 }
adamc@1109	1915
adamc@1023	1916 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023	1917 char new_s = uw_unurlify_advance(s);
adamc@1134	1918 char *r;
adamc@1134	1919 int len;
adamc@1023	1920
adamc@1023	1921 len = strlen(*s);
adamc@1023	1922 uw_check_heap(ctx, len + 1);
adamc@1023	1923
adamc@1023	1924 r = ctx->heap.front;
adamc@1023	1925 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136	1926 *s = new_s;
adamc@136	1927 return r;
adamc@120	1928 }
adamc@135	1929
adamc@135	1930
adamc@311	1931 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286	1932 int len;
adamc@286	1933 char *r;
adamc@286	1934
adamc@311	1935 uw_check_heap(ctx, INTS_MAX);
adamc@666	1936 r = ctx->heap.front;
adamc@286	1937 sprintf(r, "%lld%n", n, &len);
adamc@666	1938 ctx->heap.front += len+1;
adamc@286	1939 return r;
adamc@286	1940 }
adamc@286	1941
adamc@428	1942 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286	1943 int len;
adamc@286	1944
adamc@311	1945 uw_check(ctx, INTS_MAX);
adamc@666	1946 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1947 ctx->page.front += len;
adamc@428	1948
adamc@428	1949 return uw_unit_v;
adamc@286	1950 }
adamc@286	1951
adam@1358	1952 char *uw_Basis_htmlifySpecialChar(uw_context ctx, unsigned char ch) {
adam@1358	1953 unsigned int n = ch;
adam@1358	1954 int len;
adam@1358	1955 char *r;
adam@1358	1956
adam@1358	1957 uw_check_heap(ctx, INTS_MAX+3);
adam@1358	1958 r = ctx->heap.front;
adam@1358	1959 sprintf(r, "&#%u;%n", n, &len);
adam@1358	1960 ctx->heap.front += len+1;
adam@1358	1961 return r;
adam@1358	1962 }
adam@1358	1963
adam@1358	1964 uw_unit uw_Basis_htmlifySpecialChar_w(uw_context ctx, unsigned char ch) {
adam@1358	1965 unsigned int n = ch;
adam@1358	1966 int len;
adam@1358	1967
adam@1358	1968 uw_check(ctx, INTS_MAX+3);
adam@1358	1969 sprintf(ctx->page.front, "&#%u;%n", n, &len);
adam@1358	1970 ctx->page.front += len;
adam@1358	1971 return uw_unit_v;
adam@1358	1972 }
adam@1358	1973
adamc@311	1974 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286	1975 int len;
adamc@286	1976 char *r;
adamc@286	1977
adamc@311	1978 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1979 r = ctx->heap.front;
adamc@286	1980 sprintf(r, "%g%n", n, &len);
adamc@666	1981 ctx->heap.front += len+1;
adamc@286	1982 return r;
adamc@286	1983 }
adamc@286	1984
adamc@428	1985 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286	1986 int len;
adamc@286	1987
adamc@311	1988 uw_check(ctx, FLOATS_MAX);
adamc@666	1989 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1990 ctx->page.front += len;
adamc@428	1991
adamc@428	1992 return uw_unit_v;
adamc@286	1993 }
adamc@286	1994
adam@1365	1995 char *uw_Basis_jsifyTime(uw_context ctx, uw_Basis_time t) {
adam@1360	1996 int len;
adam@1360	1997 char *r;
adam@1360	1998
adam@1360	1999 uw_check_heap(ctx, INTS_MAX);
adam@1360	2000 r = ctx->heap.front;
adamc@1377	2001 sprintf(r, "%lld%n", (uw_Basis_int)t.seconds * 1000000 + t.microseconds, &len);
adam@1360	2002 ctx->heap.front += len+1;
adam@1360	2003 return r;
adam@1360	2004 }
adam@1360	2005
adam@1365	2006 uw_unit uw_Basis_jsifyInt_w(uw_context ctx, uw_Basis_int n) {
adam@1360	2007 int len;
adam@1360	2008
adam@1360	2009 uw_check(ctx, INTS_MAX);
adam@1360	2010 sprintf(ctx->page.front, "%lld%n", (uw_Basis_int)n, &len);
adam@1360	2011 ctx->page.front += len;
adam@1360	2012
adam@1360	2013 return uw_unit_v;
adam@1360	2014 }
adam@1360	2015
adamc@311	2016 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	2017 char r, s2;
adamc@137	2018
adamc@311	2019 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137	2020
adamc@666	2021 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054	2022 unsigned char c = *s;
adamc@137	2023
adamc@137	2024 switch (c) {
adamc@137	2025 case '<':
adamc@137	2026 strcpy(s2, "<");
adamc@137	2027 s2 += 4;
adamc@137	2028 break;
adamc@137	2029 case '&':
adamc@137	2030 strcpy(s2, "&");
adamc@137	2031 s2 += 5;
adamc@137	2032 break;
adamc@137	2033 default:
adamc@1059	2034 *s2++ = c;
adamc@137	2035 }
adamc@137	2036 }
adamc@137	2037
adamc@137	2038 *s2++ = 0;
adamc@666	2039 ctx->heap.front = s2;
adamc@137	2040 return r;
adamc@135	2041 }
adamc@135	2042
adamc@428	2043 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321	2044 uw_check(ctx, strlen(s) * 6);
adamc@135	2045
adamc@135	2046 for (; *s; s++) {
adamc@1054	2047 unsigned char c = *s;
adamc@135	2048
adamc@135	2049 switch (c) {
adamc@135	2050 case '<':
adamc@311	2051 uw_write_unsafe(ctx, "<");
adamc@135	2052 break;
adamc@135	2053 case '&':
adamc@311	2054 uw_write_unsafe(ctx, "&");
adamc@135	2055 break;
adamc@135	2056 default:
adamc@1059	2057 uw_writec_unsafe(ctx, c);
adamc@135	2058 }
adamc@135	2059 }
adamc@428	2060
adamc@428	2061 return uw_unit_v;
adamc@135	2062 }
adamc@180	2063
adamc@311	2064 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2065 if (b == uw_Basis_False)
adamc@286	2066 return "False";
adamc@286	2067 else
adamc@286	2068 return "True";
adamc@286	2069 }
adamc@286	2070
adamc@428	2071 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	2072 if (b == uw_Basis_False) {
adamc@311	2073 uw_check(ctx, 6);
adamc@666	2074 strcpy(ctx->page.front, "False");
adamc@666	2075 ctx->page.front += 5;
adamc@286	2076 } else {
adamc@311	2077 uw_check(ctx, 5);
adamc@666	2078 strcpy(ctx->page.front, "True");
adamc@666	2079 ctx->page.front += 4;
adamc@286	2080 }
adamc@428	2081
adamc@428	2082 return uw_unit_v;
adamc@286	2083 }
adamc@286	2084
adamc@436	2085 #define TIME_FMT "%x %X"
adamc@438	2086 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436	2087
adamc@436	2088 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436	2089 size_t len;
adamc@436	2090 char *r;
adam@1392	2091 struct tm stm = {};
adam@1392	2092 stm.tm_isdst = -1;
adamc@436	2093
adam@1365	2094 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2095 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2096 r = ctx->heap.front;
adamc@436	2097 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2098 ctx->heap.front += len+1;
adamc@436	2099 return r;
adamc@436	2100 } else
adamc@436	2101 return "<i>Invalid time</i>";
adamc@436	2102 }
adamc@436	2103
adamc@436	2104 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436	2105 size_t len;
adamc@436	2106 char *r;
adam@1392	2107 struct tm stm = {};
adam@1392	2108 stm.tm_isdst = -1;
adamc@436	2109
adam@1365	2110 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2111 uw_check(ctx, TIMES_MAX);
adamc@666	2112 r = ctx->page.front;
adamc@436	2113 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2114 ctx->page.front += len;
adamc@436	2115 } else {
adamc@436	2116 uw_check(ctx, 20);
adamc@666	2117 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666	2118 ctx->page.front += 19;
adamc@436	2119 }
adamc@436	2120
adamc@436	2121 return uw_unit_v;
adamc@436	2122 }
adamc@436	2123
adamc@821	2124 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2125 while (n >= 0) {
adam@1388	2126 if (*s == 0)
adam@1388	2127 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adam@1388	2128
adam@1388	2129 if (n == 0)
adam@1388	2130 return *s;
adam@1388	2131
adam@1388	2132 --n;
adam@1388	2133 ++s;
adam@1388	2134 }
adam@1388	2135
adam@1388	2136 uw_error(ctx, FATAL, "Negative strsub bound");
adamc@821	2137 }
adamc@821	2138
adamc@821	2139 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2140 while (n >= 0) {
adam@1388	2141 if (*s == 0 \|\| n == 0)
adam@1388	2142 return s;
adam@1388	2143
adam@1388	2144 --n;
adam@1388	2145 ++s;
adam@1388	2146 }
adam@1388	2147
adam@1388	2148 uw_error(ctx, FATAL, "Negative strsuffix bound");
adamc@821	2149 }
adamc@821	2150
adamc@828	2151 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828	2152 return strlen(s);
adamc@828	2153 }
adamc@828	2154
adam@1388	2155 uw_Basis_bool uw_Basis_strlenGe(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adam@1388	2156 while (n > 0) {
adam@1388	2157 if (*s == 0)
adam@1388	2158 return uw_Basis_False;
adam@1388	2159
adam@1388	2160 --n;
adam@1388	2161 ++s;
adam@1388	2162 }
adam@1388	2163
adam@1388	2164 return uw_Basis_True;
adam@1388	2165 }
adam@1388	2166
adamc@829	2167 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2168 return strchr(s, ch);
adamc@829	2169 }
adamc@829	2170
adamc@831	2171 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831	2172 return strcspn(s, chs);
adamc@831	2173 }
adamc@831	2174
adamc@829	2175 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	2176 uw_Basis_string r = strchr(s, ch);
adamc@829	2177 if (r == NULL)
adamc@829	2178 return NULL;
adamc@829	2179 else {
adamc@829	2180 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829	2181 *nr = r - s;
adamc@829	2182 return nr;
adamc@829	2183 }
adamc@829	2184 }
adamc@829	2185
adam@1390	2186 uw_Basis_int uw_Basis_strsindex(uw_context ctx, const char haystack, const char *needle) {
adam@1390	2187 uw_Basis_string r = strstr(haystack, needle);
adam@1390	2188 if (r == NULL)
adam@1390	2189 return NULL;
adam@1390	2190 else {
adam@1390	2191 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adam@1390	2192 *nr = r - haystack;
adam@1390	2193 return nr;
adam@1390	2194 }
adam@1390	2195 }
adam@1390	2196
adamc@311	2197 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828	2198 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180	2199 char *s;
adamc@180	2200
adamc@311	2201 uw_check_heap(ctx, len);
adamc@180	2202
adamc@666	2203 s = ctx->heap.front;
adamc@180	2204
adamc@180	2205 strcpy(s, s1);
adamc@180	2206 strcat(s, s2);
adamc@666	2207 ctx->heap.front += len;
adamc@180	2208
adamc@180	2209 return s;
adamc@180	2210 }
adamc@278	2211
adamc@829	2212 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829	2213 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829	2214
adamc@829	2215 if (start < 0)
adamc@829	2216 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829	2217 if (len < 0)
adamc@829	2218 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829	2219 if (start + len > full_len)
adamc@829	2220 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829	2221
adamc@829	2222 if (start + len == full_len)
adamc@829	2223 return &s[start];
adamc@829	2224 else {
adamc@829	2225 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959	2226 memcpy(r, s+start, len);
adamc@829	2227 r[len] = 0;
adamc@829	2228 return r;
adamc@829	2229 }
adamc@829	2230
adamc@829	2231 }
adamc@829	2232
adamc@1023	2233 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023	2234 char *r;
adamc@1023	2235
adamc@1023	2236 uw_check_heap(ctx, 2);
adamc@1023	2237 r = ctx->heap.front;
adamc@1023	2238 r[0] = ch;
adamc@1023	2239 r[1] = 0;
adamc@1023	2240
adamc@1023	2241 ctx->heap.front += 2;
adamc@1023	2242
adamc@1023	2243 return r;
adamc@1023	2244 }
adamc@1023	2245
adamc@737	2246 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828	2247 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278	2248 char *s;
adamc@278	2249
adamc@311	2250 uw_check_heap(ctx, len);
adamc@278	2251
adamc@666	2252 s = ctx->heap.front;
adamc@278	2253
adamc@278	2254 strcpy(s, s1);
adamc@666	2255 ctx->heap.front += len;
adamc@278	2256
adamc@278	2257 return s;
adamc@278	2258 }
adamc@280	2259
adam@1295	2260 uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
adam@1295	2261 if (ctx->error_message[0]) {
adam@1295	2262 char *s = uw_strdup(ctx, ctx->error_message);
adam@1295	2263 ctx->error_message[0] = 0;
adam@1295	2264 return s;
adam@1295	2265 } else
adam@1295	2266 return NULL;
adam@1295	2267 }
adam@1295	2268
adamc@737	2269 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493	2270 if (s1)
adamc@737	2271 return uw_strdup(ctx, s1);
adamc@493	2272 else
adamc@493	2273 return NULL;
adamc@493	2274 }
adamc@493	2275
adamc@742	2276 char uw_memdup(uw_context ctx, const char p, size_t len) {
adamc@742	2277 char *r = uw_malloc(ctx, len);
adamc@742	2278 memcpy(r, p, len);
adamc@742	2279 return r;
adamc@742	2280 }
adamc@280	2281
adamc@879	2282 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879	2283
adamc@311	2284 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281	2285 int len;
adamc@281	2286 char *r;
adamc@281	2287
adamc@311	2288 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666	2289 r = ctx->heap.front;
adamc@879	2290 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666	2291 ctx->heap.front += len+1;
adamc@281	2292 return r;
adamc@281	2293 }
adamc@281	2294
adamc@467	2295 char uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int n) {
adamc@467	2296 if (n == NULL)
adamc@467	2297 return "NULL";
adamc@467	2298 else
adamc@467	2299 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467	2300 }
adamc@467	2301
adamc@879	2302 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879	2303
adamc@311	2304 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281	2305 int len;
adamc@281	2306 char *r;
adamc@281	2307
adamc@311	2308 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666	2309 r = ctx->heap.front;
adamc@879	2310 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666	2311 ctx->heap.front += len+1;
adamc@281	2312 return r;
adamc@281	2313 }
adamc@281	2314
adamc@467	2315 char uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float n) {
adamc@467	2316 if (n == NULL)
adamc@467	2317 return "NULL";
adamc@467	2318 else
adamc@467	2319 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467	2320 }
adamc@467	2321
adamc@879	2322 int uw_Estrings = 1;
adamc@879	2323 char *uw_sqlsuffixString = "::text";
adamc@1011	2324 char *uw_sqlsuffixChar = "::char";
adamc@281	2325
adamc@311	2326 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280	2327 char r, s2;
adamc@280	2328
adamc@879	2329 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280	2330
adamc@666	2331 r = s2 = ctx->heap.front;
adamc@879	2332 if (uw_Estrings)
adamc@879	2333 *s2++ = 'E';
adamc@280	2334 *s2++ = '\'';
adamc@280	2335
adamc@280	2336 for (; *s; s++) {
adamc@280	2337 char c = *s;
adamc@280	2338
adamc@280	2339 switch (c) {
adamc@280	2340 case '\'':
adamc@885	2341 if (uw_Estrings)
adamc@885	2342 strcpy(s2, "\\'");
adamc@885	2343 else
adamc@885	2344 strcpy(s2, "''");
adamc@280	2345 s2 += 2;
adamc@280	2346 break;
adamc@280	2347 case '\\':
adamc@885	2348 if (uw_Estrings) {
adamc@885	2349 strcpy(s2, "\\\\");
adamc@885	2350 s2 += 2;
adamc@885	2351 } else
adamc@885	2352 *s2++ = '\\';
adamc@280	2353 break;
adamc@280	2354 default:
adamc@1150	2355 if (isprint((int)c))
adamc@280	2356 *s2++ = c;
adamc@879	2357 else if (uw_Estrings) {
adamc@737	2358 sprintf(s2, "\\%03o", c);
adamc@280	2359 s2 += 4;
adamc@280	2360 }
adamc@879	2361 else
adamc@879	2362 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280	2363 }
adamc@280	2364 }
adamc@280	2365
adamc@879	2366 *s2++ = '\'';
adamc@879	2367 strcpy(s2, uw_sqlsuffixString);
adamc@879	2368 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280	2369 return r;
adamc@280	2370 }
adamc@281	2371
adamc@1011	2372 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	2373 char r, s2;
adamc@1011	2374
adamc@1011	2375 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011	2376
adamc@1011	2377 r = s2 = ctx->heap.front;
adamc@1011	2378 if (uw_Estrings)
adamc@1011	2379 *s2++ = 'E';
adamc@1011	2380 *s2++ = '\'';
adamc@1011	2381
adamc@1011	2382 switch (c) {
adamc@1011	2383 case '\'':
adamc@1011	2384 if (uw_Estrings)
adamc@1011	2385 strcpy(s2, "\\'");
adamc@1011	2386 else
adamc@1011	2387 strcpy(s2, "''");
adamc@1011	2388 s2 += 2;
adamc@1011	2389 break;
adamc@1011	2390 case '\\':
adamc@1011	2391 if (uw_Estrings) {
adamc@1011	2392 strcpy(s2, "\\\\");
adamc@1011	2393 s2 += 2;
adamc@1011	2394 } else
adamc@1011	2395 *s2++ = '\\';
adamc@1011	2396 break;
adamc@1011	2397 default:
adamc@1150	2398 if (isprint((int)c))
adamc@1011	2399 *s2++ = c;
adamc@1011	2400 else if (uw_Estrings) {
adamc@1011	2401 sprintf(s2, "\\%03o", c);
adamc@1011	2402 s2 += 4;
adamc@1011	2403 }
adamc@1011	2404 else
adamc@1011	2405 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011	2406 }
adamc@1011	2407
adamc@1011	2408 *s2++ = '\'';
adamc@1011	2409 strcpy(s2, uw_sqlsuffixChar);
adamc@1011	2410 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011	2411 return r;
adamc@1011	2412 }
adamc@1011	2413
adamc@879	2414 char *uw_sqlsuffixBlob = "::bytea";
adamc@879	2415
adamc@737	2416 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737	2417 char r, s2;
adamc@737	2418 size_t i;
adamc@737	2419
adamc@879	2420 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737	2421
adamc@737	2422 r = s2 = ctx->heap.front;
adamc@879	2423 if (uw_Estrings)
adamc@879	2424 *s2++ = 'E';
adamc@737	2425 *s2++ = '\'';
adamc@737	2426
adamc@737	2427 for (i = 0; i < b.size; ++i) {
adamc@737	2428 char c = b.data[i];
adamc@737	2429
adamc@737	2430 switch (c) {
adamc@737	2431 case '\'':
adamc@885	2432 if (uw_Estrings)
adamc@885	2433 strcpy(s2, "\\'");
adamc@885	2434 else
adamc@885	2435 strcpy(s2, "''");
adamc@737	2436 s2 += 2;
adamc@737	2437 break;
adamc@737	2438 case '\\':
adamc@885	2439 if (uw_Estrings) {
adamc@885	2440 strcpy(s2, "\\\\\\\\");
adamc@885	2441 s2 += 4;
adamc@885	2442 } else
adamc@885	2443 *s2++ = '\\';
adamc@737	2444 break;
adamc@737	2445 default:
adamc@1150	2446 if (isprint((int)c))
adamc@737	2447 *s2++ = c;
adamc@879	2448 else if (uw_Estrings) {
adamc@737	2449 sprintf(s2, "\\\\%03o", c);
adamc@737	2450 s2 += 5;
adamc@737	2451 }
adamc@879	2452 else
adamc@879	2453 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737	2454 }
adamc@737	2455 }
adamc@737	2456
adamc@879	2457 *s2++ = '\'';
adamc@879	2458 strcpy(s2, uw_sqlsuffixBlob);
adamc@879	2459 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737	2460 return r;
adamc@737	2461 }
adamc@737	2462
adamc@682	2463 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2464 int len;
adamc@682	2465 char *r;
adamc@682	2466 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2467
adamc@682	2468 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2469 r = ctx->heap.front;
adamc@879	2470 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682	2471 ctx->heap.front += len+1;
adamc@682	2472 return r;
adamc@682	2473 }
adamc@682	2474
adamc@682	2475 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2476 int len;
adamc@682	2477 char *r;
adamc@682	2478 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2479
adamc@682	2480 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2481 r = ctx->heap.front;
adamc@682	2482 sprintf(r, "%lld%n", combo, &len);
adamc@682	2483 ctx->heap.front += len+1;
adamc@682	2484 return r;
adamc@682	2485 }
adamc@682	2486
adamc@879	2487 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879	2488
adamc@682	2489 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2490 int len;
adamc@682	2491 char *r;
adamc@682	2492
adamc@682	2493 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2494 r = ctx->heap.front;
adamc@879	2495 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682	2496 ctx->heap.front += len+1;
adamc@682	2497 return r;
adamc@682	2498 }
adamc@682	2499
adamc@682	2500 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2501 int len;
adamc@682	2502 char *r;
adamc@682	2503
adamc@682	2504 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2505 r = ctx->heap.front;
adamc@682	2506 sprintf(r, "%u%n", cli, &len);
adamc@682	2507 ctx->heap.front += len+1;
adamc@682	2508 return r;
adamc@682	2509 }
adamc@682	2510
adamc@467	2511 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467	2512 if (s == NULL)
adamc@467	2513 return "NULL";
adamc@467	2514 else
adamc@467	2515 return uw_Basis_sqlifyString(ctx, s);
adamc@467	2516 }
adamc@467	2517
adamc@311	2518 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2519 if (b == uw_Basis_False)
adamc@281	2520 return "FALSE";
adamc@281	2521 else
adamc@281	2522 return "TRUE";
adamc@281	2523 }
adamc@282	2524
adamc@467	2525 char uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool b) {
adamc@467	2526 if (b == NULL)
adamc@467	2527 return "NULL";
adamc@467	2528 else
adamc@467	2529 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467	2530 }
adamc@467	2531
adamc@439	2532 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439	2533 size_t len;
adamc@682	2534 char r, s;
adam@1392	2535 struct tm stm = {};
adam@1392	2536 stm.tm_isdst = -1;
adamc@682	2537
adam@1365	2538 if (localtime_r(&t.seconds, &stm)) {
adamc@682	2539 s = uw_malloc(ctx, TIMES_MAX);
adam@1364	2540 len = strftime(s, TIMES_MAX, TIME_FMT_PG, &stm);
adam@1367	2541 if (t.microseconds) {
adam@1367	2542 r = uw_malloc(ctx, len + 21);
adam@1367	2543 sprintf(r, "'%s.%06u'::timestamp", s, t.microseconds);
adam@1367	2544 } else {
adam@1367	2545 r = uw_malloc(ctx, len + 14);
adam@1367	2546 sprintf(r, "'%s'::timestamp", s);
adam@1367	2547 }
adamc@682	2548 return r;
adamc@682	2549 } else
adamc@682	2550 return "<Invalid time>";
adamc@682	2551 }
adamc@682	2552
adamc@682	2553 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682	2554 size_t len;
adamc@439	2555 char *r;
adam@1392	2556 struct tm stm = {};
adam@1392	2557 stm.tm_isdst = -1;
adamc@439	2558
adam@1365	2559 if (localtime_r(&t.seconds, &stm)) {
adamc@439	2560 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2561 r = ctx->heap.front;
adamc@439	2562 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2563 ctx->heap.front += len+1;
adamc@439	2564 return r;
adamc@439	2565 } else
adamc@439	2566 return "<Invalid time>";
adamc@439	2567 }
adamc@439	2568
adam@1364	2569 char *uw_Basis_ensqlTime(uw_context ctx, uw_Basis_time t) {
adam@1364	2570 size_t len;
adam@1364	2571 char *r;
adam@1392	2572 struct tm stm = {};
adam@1392	2573 stm.tm_isdst = -1;
adam@1364	2574
adam@1365	2575 if (localtime_r(&t.seconds, &stm)) {
adam@1364	2576 uw_check_heap(ctx, TIMES_MAX);
adam@1364	2577 r = ctx->heap.front;
adam@1365	2578 len = strftime(r, TIMES_MAX-7, TIME_FMT_PG, &stm);
adam@1365	2579 ctx->heap.front += len;
adam@1365	2580 sprintf(ctx->heap.front, ".%06u", t.microseconds);
adam@1365	2581 ctx->heap.front += 8;
adam@1364	2582 return r;
adam@1364	2583 } else
adam@1364	2584 return "<Invalid time>";
adam@1364	2585 }
adam@1364	2586
adamc@467	2587 char uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time t) {
adamc@467	2588 if (t == NULL)
adamc@467	2589 return "NULL";
adamc@467	2590 else
adamc@467	2591 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467	2592 }
adamc@467	2593
adamc@311	2594 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311	2595 static uw_Basis_int true = 1;
adamc@311	2596 static uw_Basis_int false = 0;
adamc@282	2597
adamc@311	2598 if (b == uw_Basis_False)
adamc@282	2599 return (char *)&false;
adamc@282	2600 else
adamc@282	2601 return (char *)&true;
adamc@282	2602 }
adamc@284	2603
adamc@311	2604 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284	2605 int len;
adamc@284	2606 char *r;
adamc@284	2607
adamc@311	2608 uw_check_heap(ctx, INTS_MAX);
adamc@666	2609 r = ctx->heap.front;
adamc@284	2610 sprintf(r, "%lld%n", n, &len);
adamc@666	2611 ctx->heap.front += len+1;
adamc@284	2612 return r;
adamc@284	2613 }
adamc@285	2614
adamc@311	2615 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285	2616 int len;
adamc@285	2617 char *r;
adamc@285	2618
adamc@311	2619 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2620 r = ctx->heap.front;
adamc@285	2621 sprintf(r, "%g%n", n, &len);
adamc@666	2622 ctx->heap.front += len+1;
adamc@285	2623 return r;
adamc@285	2624 }
adamc@285	2625
adamc@821	2626 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821	2627 char *r = uw_malloc(ctx, 2);
adamc@821	2628 r[0] = ch;
adamc@821	2629 r[1] = 0;
adamc@821	2630 return r;
adamc@821	2631 }
adamc@821	2632
adamc@311	2633 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311	2634 if (b == uw_Basis_False)
adamc@285	2635 return "False";
adamc@285	2636 else
adamc@285	2637 return "True";
adamc@285	2638 }
adamc@288	2639
adamc@436	2640 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436	2641 size_t len;
adamc@436	2642 char *r;
adam@1392	2643 struct tm stm = {};
adam@1392	2644 stm.tm_isdst = -1;
adamc@436	2645
adam@1365	2646 if (localtime_r(&t.seconds, &stm)) {
adamc@436	2647 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2648 r = ctx->heap.front;
adamc@436	2649 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2650 ctx->heap.front += len+1;
adamc@436	2651 return r;
adamc@436	2652 } else
adamc@436	2653 return "<Invalid time>";
adamc@436	2654 }
adamc@288	2655
adam@1359	2656 uw_Basis_string uw_Basis_timef(uw_context ctx, const char *fmt, uw_Basis_time t) {
adam@1352	2657 size_t len;
adam@1352	2658 char *r;
adam@1392	2659 struct tm stm = {};
adam@1392	2660 stm.tm_isdst = -1;
adam@1352	2661
adam@1365	2662 if (localtime_r(&t.seconds, &stm)) {
adam@1352	2663 uw_check_heap(ctx, TIMES_MAX);
adam@1352	2664 r = ctx->heap.front;
adam@1352	2665 len = strftime(r, TIMES_MAX, fmt, &stm);
adam@1352	2666 ctx->heap.front += len+1;
adam@1352	2667 return r;
adam@1352	2668 } else
adam@1352	2669 return "<Invalid time>";
adam@1352	2670 }
adam@1352	2671
adamc@311	2672 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288	2673 char *endptr;
adamc@311	2674 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288	2675
adamc@288	2676 if (s != '\0' && endptr == '\0') {
adamc@311	2677 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288	2678 *r = n;
adamc@288	2679 return r;
adamc@288	2680 } else
adamc@288	2681 return NULL;
adamc@288	2682 }
adamc@289	2683
adamc@311	2684 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289	2685 char *endptr;
adamc@311	2686 uw_Basis_float n = strtod(s, &endptr);
adamc@289	2687
adamc@289	2688 if (s != '\0' && endptr == '\0') {
adamc@311	2689 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289	2690 *r = n;
adamc@289	2691 return r;
adamc@289	2692 } else
adamc@289	2693 return NULL;
adamc@289	2694 }
adamc@289	2695
adamc@821	2696 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821	2697 if (s[0] == 0) {
adamc@821	2698 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2699 r[0] = 0;
adamc@821	2700 return r;
adamc@821	2701 } else if (s[1] != 0)
adamc@821	2702 return NULL;
adamc@821	2703 else {
adamc@821	2704 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2705 r[0] = s[0];
adamc@821	2706 return r;
adamc@821	2707 }
adamc@821	2708 }
adamc@821	2709
adamc@311	2710 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311	2711 static uw_Basis_bool true = uw_Basis_True;
adamc@311	2712 static uw_Basis_bool false = uw_Basis_False;
adamc@289	2713
adamc@289	2714 if (!strcasecmp (s, "True"))
adamc@289	2715 return &true;
adamc@289	2716 else if (!strcasecmp (s, "False"))
adamc@289	2717 return &false;
adamc@289	2718 else
adamc@289	2719 return NULL;
adamc@289	2720 }
adamc@292	2721
adamc@436	2722 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438	2723 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1374	2724 struct tm stm = {};
adam@1392	2725 stm.tm_isdst = -1;
adamc@436	2726
adamc@439	2727 if (dot) {
adamc@439	2728 *dot = 0;
adamc@439	2729 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2730 *dot = '.';
adamc@439	2731 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2732 r->seconds = mktime(&stm);
adam@1365	2733 r->microseconds = 0;
adamc@439	2734 return r;
adamc@439	2735 }
adamc@439	2736 else {
adamc@439	2737 *dot = '.';
adamc@439	2738 return NULL;
adamc@439	2739 }
adamc@436	2740 }
adamc@439	2741 else {
adamc@439	2742 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2743 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2744 r->seconds = mktime(&stm);
adam@1365	2745 r->microseconds = 0;
adamc@439	2746 return r;
adamc@439	2747 }
adamc@439	2748 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439	2749 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2750 r->seconds = mktime(&stm);
adam@1365	2751 r->microseconds = 0;
adamc@439	2752 return r;
adamc@439	2753 }
adamc@439	2754 else
adamc@439	2755 return NULL;
adamc@439	2756 }
adamc@436	2757 }
adamc@436	2758
adam@1352	2759 uw_Basis_time uw_Basis_stringToTimef(uw_context ctx, const char fmt, uw_Basis_string s) {
adam@1352	2760 char *end = strchr(s, 0);
adam@1374	2761 struct tm stm = {};
adam@1392	2762 stm.tm_isdst = -1;
adam@1352	2763
adam@1352	2764 if (strptime(s, fmt, &stm) == end) {
adam@1352	2765 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1365	2766 r->seconds = mktime(&stm);
adam@1365	2767 r->microseconds = 0;
adam@1352	2768 return r;
adam@1352	2769 }
adam@1352	2770 else
adam@1352	2771 return NULL;
adam@1352	2772 }
adam@1352	2773
adamc@311	2774 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292	2775 char *endptr;
adamc@311	2776 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292	2777
adamc@292	2778 if (s != '\0' && endptr == '\0')
adamc@292	2779 return n;
adamc@292	2780 else
adamc@311	2781 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292	2782 }
adamc@293	2783
adamc@682	2784 #include <errno.h>
adamc@682	2785
adamc@678	2786 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682	2787 unsigned long long n;
adamc@682	2788
adamc@682	2789 if (sscanf(s, "%llu", &n) < 1)
adamc@682	2790 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682	2791 else {
adamc@682	2792 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682	2793 return ch;
adamc@682	2794 }
adamc@682	2795 }
adamc@682	2796
adamc@682	2797 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678	2798 char *endptr;
adamc@682	2799 unsigned long n = strtoul(s, &endptr, 10);
adamc@678	2800
adamc@678	2801 if (s != '\0' && endptr == '\0')
adamc@678	2802 return n;
adamc@678	2803 else
adamc@682	2804 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678	2805 }
adamc@678	2806
adamc@311	2807 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293	2808 char *endptr;
adamc@311	2809 uw_Basis_float n = strtod(s, &endptr);
adamc@293	2810
adamc@293	2811 if (s != '\0' && endptr == '\0')
adamc@293	2812 return n;
adamc@293	2813 else
adamc@311	2814 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293	2815 }
adamc@293	2816
adamc@821	2817 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821	2818 if (s[0] == 0)
adamc@821	2819 return 0;
adamc@821	2820 else if (s[1] != 0)
adamc@821	2821 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821	2822 else
adamc@821	2823 return s[0];
adamc@821	2824 }
adamc@821	2825
adamc@311	2826 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296	2827 if (!strcasecmp(s, "T") \|\| !strcasecmp (s, "True"))
adamc@311	2828 return uw_Basis_True;
adamc@296	2829 else if (!strcasecmp(s, "F") \|\| !strcasecmp (s, "False"))
adamc@311	2830 return uw_Basis_False;
adamc@293	2831 else
adamc@311	2832 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293	2833 }
adamc@436	2834
adam@1352	2835 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adam@1352	2836 char dot = strchr(s, '.'), end = strchr(s, 0);
adam@1352	2837 struct tm stm = {};
adam@1392	2838 stm.tm_isdst = -1;
adam@1352	2839
adam@1352	2840 if (dot) {
adam@1352	2841 *dot = 0;
adam@1352	2842 if (strptime(s, TIME_FMT_PG, &stm)) {
adam@1352	2843 *dot = '.';
adam@1365	2844 uw_Basis_time r = { mktime(&stm), atoi(dot+1) };
adam@1365	2845 return r;
adam@1352	2846 }
adam@1352	2847 else {
adam@1352	2848 *dot = '.';
adam@1352	2849 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352	2850 }
adam@1352	2851 }
adam@1352	2852 else {
adam@1352	2853 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	2854 uw_Basis_time r = { mktime(&stm) };
adam@1365	2855 return r;
adam@1352	2856 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	2857 uw_Basis_time r = { mktime(&stm) };
adam@1365	2858 return r;
adam@1352	2859 } else
adam@1352	2860 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adam@1352	2861 }
adam@1352	2862 }
adam@1352	2863
adamc@436	2864 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438	2865 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	2866 struct tm stm = {};
adam@1392	2867 stm.tm_isdst = -1;
adamc@436	2868
adamc@438	2869 if (dot) {
adamc@438	2870 *dot = 0;
adamc@438	2871 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438	2872 *dot = '.';
adam@1365	2873 {
adam@1365	2874 uw_Basis_time r = { mktime(&stm) };
adam@1365	2875 return r;
adam@1365	2876 }
adamc@438	2877 }
adamc@438	2878 else {
adamc@438	2879 *dot = '.';
adamc@438	2880 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2881 }
adamc@438	2882 }
adamc@438	2883 else {
adam@1365	2884 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adam@1365	2885 uw_Basis_time r = { mktime(&stm) };
adam@1365	2886 return r;
adam@1365	2887 } else if (strptime(s, TIME_FMT, &stm) == end) {
adam@1365	2888 uw_Basis_time r = { mktime(&stm) };
adam@1365	2889 return r;
adam@1365	2890 } else
adamc@438	2891 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2892 }
adamc@436	2893 }
adamc@457	2894
adam@1352	2895 uw_Basis_time uw_Basis_stringToTimef_error(uw_context ctx, const char *fmt, uw_Basis_string s) {
adam@1352	2896 char *end = strchr(s, 0);
adamc@939	2897 struct tm stm = {};
adam@1392	2898 stm.tm_isdst = -1;
adamc@939	2899
adam@1365	2900 if (strptime(s, fmt, &stm) == end) {
adam@1365	2901 uw_Basis_time r = { mktime(&stm) };
adam@1365	2902 return r;
adam@1365	2903 } else
adam@1352	2904 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939	2905 }
adamc@939	2906
adamc@742	2907 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742	2908 char *r = ctx->heap.front;
adamc@742	2909 uw_Basis_blob b = {len, r};
adamc@742	2910
adamc@742	2911 uw_check_heap(ctx, len);
adamc@742	2912
adamc@742	2913 while (*s) {
adamc@742	2914 if (s[0] == '\\') {
adamc@742	2915 if (s[1] == '\\') {
adamc@742	2916 *r++ = '\\';
adamc@742	2917 s += 2;
adamc@1153	2918 } else if (isdigit((int)s[1]) && isdigit((int)s[2]) && isdigit((int)s[3])) {
adamc@742	2919 r++ = (s[1] - '0') 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742	2920 s += 4;
adamc@742	2921 }
adamc@742	2922 else {
adamc@742	2923 *r++ = '\\';
adamc@742	2924 ++s;
adamc@742	2925 }
adamc@742	2926 } else {
adamc@742	2927 *r++ = s[0];
adamc@742	2928 ++s;
adamc@742	2929 }
adamc@742	2930 }
adamc@742	2931
adamc@742	2932 b.size = r - ctx->heap.front;
adamc@742	2933 ctx->heap.front = r;
adamc@742	2934 return b;
adamc@742	2935 }
adamc@742	2936
adam@1402	2937 #define THE_PAST "expires=Sat, 01-Jan-2011 00:00:00 GMT"
adamc@1052	2938
adamc@463	2939 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463	2940 int len = strlen(c);
adamc@854	2941 char *p = ctx->outHeaders.start;
adamc@474	2942
adamc@1134	2943 while ((p = strstr(p, "\nSet-Cookie: "))) {
adamc@474	2944 char *p2;
adamc@474	2945 p += 13;
adamc@474	2946 p2 = strchr(p, '=');
adamc@474	2947
adamc@474	2948 if (p2) {
adamc@474	2949 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474	2950
adamc@474	2951 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052	2952 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052	2953 return NULL;
adamc@1052	2954 else {
adamc@1052	2955 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052	2956 memcpy(ret, p2+1, sz);
adamc@1052	2957 ret[sz] = 0;
adamc@1052	2958 return ret;
adamc@1052	2959 }
adamc@474	2960 }
adamc@474	2961 }
adamc@474	2962 }
adamc@463	2963
adamc@1134	2964 if ((p = uw_Basis_requestHeader(ctx, "Cookie"))) {
adamc@1051	2965 char *p2;
adamc@1051	2966
adamc@854	2967 while (1) {
adamc@1051	2968 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1134	2969 if ((p2 = strchr(p, ';'))) {
adamc@1051	2970 size_t n = p2 - (p + len);
adamc@1051	2971 char *r = uw_malloc(ctx, n);
adamc@1051	2972 memcpy(r, p + 1 + len, n-1);
adamc@1051	2973 r[n-1] = 0;
adamc@1051	2974 return r;
adamc@1051	2975 } else
adamc@1051	2976 return p + 1 + len;
adamc@1134	2977 } else if ((p = strchr(p, ';')))
adamc@854	2978 p += 2;
adamc@463	2979 else
adamc@463	2980 return NULL;
adamc@463	2981 }
adamc@463	2982 }
adamc@792	2983
adamc@792	2984 return NULL;
adamc@457	2985 }
adamc@462	2986
adamc@1050	2987 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	2988 uw_write_header(ctx, "Set-Cookie: ");
adamc@462	2989 uw_write_header(ctx, c);
adamc@462	2990 uw_write_header(ctx, "=");
adamc@462	2991 uw_write_header(ctx, v);
adamc@466	2992 uw_write_header(ctx, "; path=");
adamc@466	2993 uw_write_header(ctx, prefix);
adamc@1050	2994 if (expires) {
adamc@1050	2995 char formatted[30];
adam@1392	2996 struct tm tm = {};
adam@1392	2997 tm.tm_isdst = -1;
adamc@1050	2998
adam@1365	2999 gmtime_r(&expires->seconds, &tm);
adamc@1050	3000
adamc@1050	3001 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050	3002
adamc@1050	3003 uw_write_header(ctx, "; expires=");
adamc@1050	3004 uw_write_header(ctx, formatted);
adamc@1050	3005 }
adamc@1050	3006 if (secure)
adamc@1050	3007 uw_write_header(ctx, "; secure");
adamc@462	3008 uw_write_header(ctx, "\r\n");
adamc@462	3009
adamc@462	3010 return uw_unit_v;
adamc@462	3011 }
adamc@667	3012
adamc@1050	3013 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050	3014 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050	3015 uw_write_header(ctx, c);
adamc@1050	3016 uw_write_header(ctx, "=; path=");
adamc@1050	3017 uw_write_header(ctx, prefix);
adamc@1052	3018 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050	3019
adamc@1050	3020 return uw_unit_v;
adamc@1050	3021 }
adamc@1050	3022
adamc@1113	3023 size_t uw_deltas_max = SIZE_MAX;
adamc@1113	3024
adamc@682	3025 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682	3026 unsigned i;
adamc@682	3027 delta *d;
adamc@671	3028
adamc@682	3029 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682	3030 if (ctx->deltas[i].client == client)
adamc@682	3031 return &ctx->deltas[i];
adamc@671	3032
adamc@682	3033 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@1113	3034 if (ctx->n_deltas + 1 > uw_deltas_max)
adamc@1113	3035 uw_error(ctx, FATAL, "Exceeded limit on number of deltas");
adamc@1113	3036
adamc@682	3037 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adam@1369	3038 uw_buffer_init(uw_messages_max, &ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682	3039 }
adamc@671	3040
adamc@682	3041 d = &ctx->deltas[ctx->used_deltas++];
adamc@682	3042 d->client = client;
adam@1369	3043 uw_buffer_reset(&d->msgs);
adamc@682	3044 return d;
adamc@671	3045 }
adamc@671	3046
adamc@668	3047 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682	3048 if (ctx->client == NULL)
adamc@682	3049 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671	3050
adamc@682	3051 return new_channel(ctx->client);
adamc@668	3052 }
adamc@668	3053
adamc@668	3054 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682	3055 delta *d = allocate_delta(ctx, chn.cli);
adamc@682	3056 size_t len;
adamc@682	3057 int preLen;
adamc@682	3058 char pre[INTS_MAX + 2];
adamc@668	3059
adamc@682	3060 len = strlen(msg);
adamc@682	3061
adamc@682	3062 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682	3063
adam@1369	3064 ctx_uw_buffer_append(ctx, "messages", &d->msgs, pre, preLen);
adam@1369	3065 ctx_uw_buffer_append(ctx, "messages", &d->msgs, msg, len);
adam@1369	3066 ctx_uw_buffer_append(ctx, "messages", &d->msgs, "\n", 1);
adamc@671	3067
adamc@671	3068 return uw_unit_v;
adamc@668	3069 }
adamc@671	3070
adam@1327	3071 int uw_rollback(uw_context ctx, int will_retry) {
adamc@1131	3072 int i;
adamc@1131	3073 cleanup *cl;
adamc@1131	3074
adamc@1131	3075 if (ctx->client)
adamc@1131	3076 release_client(ctx->client);
adamc@1131	3077
adamc@1131	3078 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1131	3079 cl->func(cl->arg);
adamc@1131	3080
adamc@1131	3081 ctx->cleanup_front = ctx->cleanup;
adamc@1131	3082
adamc@1131	3083 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3084 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3085 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@1131	3086
adamc@1131	3087 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1131	3088 if (ctx->transactionals[i].free)
adam@1327	3089 ctx->transactionals[i].free(ctx->transactionals[i].data, will_retry);
adamc@1131	3090
adamc@1144	3091 return ctx->app ? ctx->app->db_rollback(ctx) : 0;
adamc@1131	3092 }
adamc@1131	3093
adamc@671	3094 void uw_commit(uw_context ctx) {
adamc@1104	3095 int i;
adamc@1104	3096
adamc@1131	3097 if (uw_has_error(ctx)) {
adam@1327	3098 uw_rollback(ctx, 0);
adamc@1131	3099 return;
adamc@1131	3100 }
adamc@1131	3101
adamc@1104	3102 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3103 if (ctx->transactionals[i].rollback != NULL)
adamc@1131	3104 if (ctx->transactionals[i].commit) {
adamc@1083	3105 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3106 if (uw_has_error(ctx)) {
adam@1327	3107 uw_rollback(ctx, 0);
adamc@1131	3108 return;
adamc@1131	3109 }
adamc@1131	3110 }
adamc@771	3111
adamc@1104	3112 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	3113 if (ctx->transactionals[i].rollback == NULL)
adamc@1131	3114 if (ctx->transactionals[i].commit) {
adamc@1083	3115 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@1131	3116 if (uw_has_error(ctx)) {
adam@1327	3117 uw_rollback(ctx, 0);
adamc@1131	3118 return;
adamc@1131	3119 }
adamc@1131	3120 }
adamc@1131	3121
adamc@1131	3122 if (ctx->app->db_commit(ctx)) {
adamc@1131	3123 uw_set_error_message(ctx, "Error running SQL COMMIT");
adamc@1131	3124 return;
adamc@1131	3125 }
adamc@682	3126
adamc@682	3127 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682	3128 delta *d = &ctx->deltas[i];
adamc@682	3129 client *c = find_client(d->client);
adamc@682	3130
adamc@682	3131 assert (c != NULL && c->mode == USED);
adamc@682	3132
adamc@685	3133 client_send(c, &d->msgs);
adamc@682	3134 }
adamc@682	3135
adamc@682	3136 if (ctx->client)
adamc@685	3137 release_client(ctx->client);
adamc@771	3138
adamc@1104	3139 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083	3140 if (ctx->transactionals[i].free)
adam@1327	3141 ctx->transactionals[i].free(ctx->transactionals[i].data, 0);
adamc@916	3142
adamc@916	3143 // Splice script data into appropriate part of page
adamc@1065	3144 if (ctx->returning_indirectly \|\| ctx->script_header[0] == 0) {
adamc@995	3145 char *start = strstr(ctx->page.start, "<sc>");
adamc@995	3146 if (start) {
adam@1369	3147 memmove(start, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995	3148 ctx->page.front -= 4;
adamc@995	3149 }
adam@1369	3150 } else if (uw_buffer_used(&ctx->script) == 0) {
adamc@916	3151 size_t len = strlen(ctx->script_header);
adamc@916	3152 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	3153 if (start) {
adam@1369	3154 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + len);
adamc@917	3155 start = strstr(ctx->page.start, "<sc>");
adam@1369	3156 memmove(start + len, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	3157 ctx->page.front += len - 4;
adamc@916	3158 memcpy(start, ctx->script_header, len);
adamc@916	3159 }
adamc@916	3160 } else {
adam@1369	3161 size_t lenH = strlen(ctx->script_header), len = uw_buffer_used(&ctx->script);
adamc@916	3162 size_t lenP = lenH + 40 + len;
adamc@916	3163 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	3164 if (start) {
adam@1369	3165 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->page) - 4 + lenP);
adamc@917	3166 start = strstr(ctx->page.start, "<sc>");
adam@1369	3167 memmove(start + lenP, start + 4, uw_buffer_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	3168 ctx->page.front += lenP - 4;
adamc@916	3169 memcpy(start, ctx->script_header, lenH);
adamc@916	3170 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916	3171 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916	3172 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916	3173 }
adamc@916	3174 }
adamc@671	3175 }
adamc@671	3176
adamc@683	3177
adamc@1113	3178 size_t uw_transactionals_max = SIZE_MAX;
adamc@1113	3179
adamc@771	3180 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adam@1327	3181 uw_callback_with_retry free) {
adamc@771	3182 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1113	3183 if (ctx->used_transactionals+1 > uw_transactionals_max)
adamc@1113	3184 uw_error(ctx, FATAL, "Exceeded limit on number of transactionals");
adamc@1084	3185 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771	3186 ++ctx->n_transactionals;
adamc@771	3187 }
adamc@771	3188
adamc@771	3189 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771	3190 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771	3191 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771	3192 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771	3193 }
adamc@771	3194
adamc@683	3195
adamc@683	3196 // "Garbage collection"
adamc@683	3197
adamc@1121	3198 void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data);
adamc@1121	3199 void uw_post_expunge(uw_context ctx, void *data);
adamc@1121	3200
adamc@1121	3201 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
adamc@683	3202 int r = setjmp(ctx->jmp_buf);
adamc@683	3203
adamc@1121	3204 if (r == 0)
adamc@1121	3205 uw_do_expunge(ctx, cli, data);
adamc@1121	3206 else
adamc@1121	3207 ctx->app->db_rollback(ctx);
adamc@1121	3208
adamc@1121	3209 uw_post_expunge(ctx, data);
adamc@683	3210
adamc@683	3211 return r;
adamc@683	3212 }
adamc@683	3213
adamc@683	3214 void uw_prune_clients(uw_context ctx) {
adamc@683	3215 client c, next, *prev = NULL;
adamc@683	3216 time_t cutoff;
adamc@683	3217
adamc@1094	3218 cutoff = time(NULL) - ctx->app->timeout;
adamc@683	3219
adamc@683	3220 pthread_mutex_lock(&clients_mutex);
adamc@683	3221
adamc@683	3222 for (c = clients_used; c; c = next) {
adamc@683	3223 next = c->next;
adamc@683	3224 pthread_mutex_lock(&c->lock);
adamc@685	3225 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683	3226 failure_kind fk = UNLIMITED_RETRY;
adamc@683	3227 if (prev)
adamc@683	3228 prev->next = next;
adamc@683	3229 else
adamc@683	3230 clients_used = next;
adamc@684	3231 uw_reset(ctx);
adamc@683	3232 while (fk == UNLIMITED_RETRY) {
adamc@1121	3233 fk = uw_expunge(ctx, c->id, c->data);
adamc@1121	3234 if (fk == UNLIMITED_RETRY)
adamc@684	3235 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683	3236 }
adamc@684	3237 if (fk == SUCCESS)
adamc@684	3238 free_client(c);
adamc@1121	3239 else
adamc@856	3240 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@683	3241 }
adamc@683	3242 else
adamc@683	3243 prev = c;
adamc@683	3244 pthread_mutex_unlock(&c->lock);
adamc@683	3245 }
adamc@683	3246
adamc@683	3247 pthread_mutex_unlock(&clients_mutex);
adamc@683	3248 }
adamc@687	3249
adamc@687	3250 failure_kind uw_initialize(uw_context ctx) {
adamc@687	3251 int r = setjmp(ctx->jmp_buf);
adamc@687	3252
adamc@687	3253 if (r == 0) {
adamc@1094	3254 if (ctx->app->db_begin(ctx))
adamc@687	3255 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094	3256 ctx->app->initializer(ctx);
adamc@1094	3257 if (ctx->app->db_commit(ctx))
adamc@687	3258 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687	3259 }
adamc@687	3260
adamc@687	3261 return r;
adamc@687	3262 }
adamc@717	3263
adamc@1065	3264 static int url_bad(uw_Basis_string s) {
adamc@1065	3265 for (; *s; ++s)
adamc@1153	3266 if (!isgraph((int)*s))
adamc@1065	3267 return 1;
adamc@1065	3268
adamc@1065	3269 return 0;
adamc@1065	3270 }
adamc@1065	3271
adamc@717	3272 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065	3273 if (url_bad(s))
adamc@1065	3274 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094	3275 if (ctx->app->check_url(s))
adamc@770	3276 return s;
adamc@770	3277 else
adamc@770	3278 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717	3279 }
adamc@734	3280
adamc@770	3281 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065	3282 if (url_bad(s))
adamc@1065	3283 return NULL;
adamc@1094	3284 if (ctx->app->check_url(s))
adamc@770	3285 return s;
adamc@770	3286 else
adamc@770	3287 return NULL;
adamc@770	3288 }
adamc@770	3289
adamc@770	3290 int mime_format(const char *s) {
adamc@770	3291 for (; *s; ++s)
adamc@1153	3292 if (!isalnum((int)s) && s != '/' && s != '-' && s != '.')
adamc@770	3293 return 0;
adamc@770	3294
adamc@770	3295 return 1;
adamc@770	3296 }
adamc@770	3297
adamc@741	3298 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3299 if (!mime_format(s))
adamc@770	3300 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770	3301
adamc@1094	3302 if (ctx->app->check_mime(s))
adamc@770	3303 return s;
adamc@770	3304 else
adamc@770	3305 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770	3306 }
adamc@770	3307
adamc@770	3308 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770	3309 if (!mime_format(s))
adamc@770	3310 return NULL;
adamc@770	3311
adamc@1094	3312 if (ctx->app->check_mime(s))
adamc@770	3313 return s;
adamc@770	3314 else
adamc@770	3315 return NULL;
adamc@741	3316 }
adamc@741	3317
adamc@734	3318 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734	3319 return s ? s : "";
adamc@734	3320 }
adamc@734	3321
adamc@734	3322 extern int uw_hash_blocksize;
adamc@734	3323
adamc@734	3324 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734	3325 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734	3326 int i;
adamc@734	3327
adamc@734	3328 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734	3329 sprintf(&r[2i], "%.02X", ((unsigned char )sig)[i]);
adamc@734	3330
adamc@734	3331 return r;
adamc@734	3332 }
adamc@734	3333
adamc@734	3334 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094	3335 return ctx->app->cookie_sig(ctx);
adamc@734	3336 }
adamc@737	3337
adamc@737	3338 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737	3339 return f.name;
adamc@737	3340 }
adamc@737	3341
adamc@740	3342 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740	3343 return f.type;
adamc@740	3344 }
adamc@740	3345
adamc@745	3346 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745	3347 return b.size;
adamc@745	3348 }
adamc@745	3349
adamc@1119	3350 uw_Basis_blob uw_Basis_textBlob(uw_context ctx, uw_Basis_string s) {
adamc@1119	3351 uw_Basis_blob b = {strlen(s), s};
adamc@1119	3352
adamc@1119	3353 return b;
adamc@1119	3354 }
adamc@1119	3355
adamc@737	3356 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737	3357 return f.data;
adamc@737	3358 }
adamc@741	3359
adam@1347	3360 uw_Basis_string uw_Basis_postType(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3361 return pb.type;
adam@1347	3362 }
adam@1347	3363
adam@1347	3364 uw_Basis_string uw_Basis_postData(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3365 return pb.data;
adam@1347	3366 }
adam@1347	3367
adamc@741	3368 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741	3369 cleanup *cl;
adamc@741	3370 int len;
adamc@741	3371
adamc@1065	3372 ctx->returning_indirectly = 1;
adam@1369	3373 uw_buffer_reset(&ctx->outHeaders);
adam@1369	3374 uw_buffer_reset(&ctx->page);
adamc@741	3375
adamc@856	3376 uw_write_header(ctx, on_success);
adamc@856	3377 uw_write_header(ctx, "Content-Type: ");
adamc@741	3378 uw_write_header(ctx, mimeType);
adamc@741	3379 uw_write_header(ctx, "\r\nContent-Length: ");
adam@1369	3380 ctx_uw_buffer_check(ctx, "headers", &ctx->outHeaders, INTS_MAX);
adamc@1134	3381 sprintf(ctx->outHeaders.front, "%lu%n", (unsigned long)b.size, &len);
adamc@741	3382 ctx->outHeaders.front += len;
adamc@1066	3383 uw_write_header(ctx, "\r\n");
adamc@741	3384
adam@1369	3385 ctx_uw_buffer_append(ctx, "page", &ctx->page, b.data, b.size);
adamc@741	3386
adamc@741	3387 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741	3388 cl->func(cl->arg);
adamc@741	3389
adamc@741	3390 ctx->cleanup_front = ctx->cleanup;
adamc@741	3391
adamc@1065	3392 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065	3393 }
adamc@1065	3394
adamc@1065	3395 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065	3396 cleanup *cl;
adamc@1066	3397 char *s;
adamc@1065	3398
adamc@1065	3399 ctx->returning_indirectly = 1;
adam@1369	3400 uw_buffer_reset(&ctx->page);
adam@1369	3401 ctx_uw_buffer_check(ctx, "page", &ctx->page, uw_buffer_used(&ctx->outHeaders)+1);
adam@1369	3402 memcpy(ctx->page.start, ctx->outHeaders.start, uw_buffer_used(&ctx->outHeaders));
adam@1369	3403 ctx->page.start[uw_buffer_used(&ctx->outHeaders)] = 0;
adam@1369	3404 uw_buffer_reset(&ctx->outHeaders);
adamc@1065	3405
adam@1408	3406 uw_write_header(ctx, on_success);
adamc@1066	3407
adamc@1066	3408 s = strchr(ctx->page.start, '\n');
adamc@1066	3409 if (s) {
adamc@1066	3410 char *s2;
adamc@1134	3411 for (++s; (s2 = strchr(s, '\n')); s = s2+1) {
adamc@1066	3412 *s2 = 0;
adamc@1066	3413 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066	3414 uw_write_header(ctx, s);
adamc@1066	3415 uw_write_header(ctx, "\n");
adamc@1066	3416 }
adamc@1066	3417 }
adamc@1066	3418 }
adamc@1066	3419
adamc@1065	3420 uw_write_header(ctx, "Location: ");
adamc@1065	3421 uw_write_header(ctx, url);
adamc@1065	3422 uw_write_header(ctx, "\r\n\r\n");
adamc@1065	3423
adamc@1065	3424 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065	3425 cl->func(cl->arg);
adamc@1065	3426
adamc@1065	3427 ctx->cleanup_front = ctx->cleanup;
adamc@1065	3428
adamc@1065	3429 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741	3430 }
adamc@874	3431
adamc@874	3432 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874	3433 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874	3434
adamc@874	3435 for (; *s; ++s) {
adamc@874	3436 if (s[0] == '\'') {
adamc@874	3437 *r++ = '\'';
adamc@874	3438 for (++s; *s; ++s) {
adamc@874	3439 if (s[0] == '\'') {
adamc@874	3440 *r++ = '\'';
adamc@874	3441 break;
adamc@874	3442 } else if (s[0] == '\\') {
adamc@874	3443 if (s[1] == '\\') {
adamc@874	3444 *r++ = '\\';
adamc@874	3445 *r++ = '\\';
adamc@874	3446 ++s;
adamc@874	3447 } else if (s[1] == '\'') {
adamc@874	3448 *r++ = '\\';
adamc@874	3449 *r++ = '\'';
adamc@874	3450 ++s;
adamc@874	3451 } else
adamc@874	3452 *r++ = '\'';
adamc@874	3453 } else
adamc@874	3454 *r++ = s[0];
adamc@874	3455 }
adamc@874	3456 if (*s == 0) break;
adamc@874	3457 } else if (s[0] == 'T' && s[1] == '.')
adamc@874	3458 ++s;
adamc@874	3459 else
adamc@874	3460 *r++ = s[0];
adamc@874	3461 }
adamc@874	3462
adamc@874	3463 return r;
adamc@874	3464 }
adamc@874	3465
adamc@922	3466 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922	3467 va_list ap;
adamc@922	3468 size_t len = 1;
adamc@922	3469 char s, r, *s2;
adamc@922	3470
adamc@922	3471 va_start(ap, ctx);
adamc@922	3472 for (s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3473 len += strlen(s);
adamc@922	3474 va_end(ap);
adamc@922	3475
adamc@922	3476 r = uw_malloc(ctx, len);
adamc@922	3477 va_start(ap, ctx);
adamc@922	3478 for (s2 = r, s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3479 while (*s)
adamc@922	3480 s2++ = s++;
adamc@922	3481 va_end(ap);
adamc@922	3482 *s2 = 0;
adamc@922	3483
adamc@922	3484 return r;
adamc@922	3485 }
adamc@1006	3486
adam@1365	3487 const uw_Basis_time uw_Basis_minTime = {};
adamc@1050	3488
adamc@1006	3489 uw_Basis_time uw_Basis_now(uw_context ctx) {
adam@1365	3490 uw_Basis_time r = { time(NULL) };
adam@1365	3491 return r;
adamc@1006	3492 }
adamc@1061	3493
adam@1369	3494 uw_Basis_time uw_Basis_addSeconds(uw_context ctx, uw_Basis_time tm, uw_Basis_int n) {
adam@1369	3495 tm.seconds += n;
adam@1365	3496 return tm;
adamc@1138	3497 }
adamc@1138	3498
adamc@1061	3499 void uw_get_global(uw_context ctx, char name) {
adamc@1061	3500 int i;
adamc@1061	3501
adamc@1061	3502 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	3503 if (!strcmp(name, ctx->globals[i].name))
adamc@1061	3504 return ctx->globals[i].data;
adamc@1061	3505
adamc@1061	3506 return NULL;
adamc@1061	3507 }
adamc@1061	3508
adamc@1113	3509 size_t uw_globals_max = SIZE_MAX;
adamc@1113	3510
adamc@1061	3511 void uw_set_global(uw_context ctx, char name, void data, void (free)(void)) {
adamc@1061	3512 int i;
adamc@1061	3513
adamc@1061	3514 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	3515 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089	3516 if (ctx->globals[i].free)
adamc@1061	3517 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061	3518 ctx->globals[i].data = data;
adamc@1061	3519 ctx->globals[i].free = free;
adamc@1061	3520 return;
adamc@1061	3521 }
adamc@1089	3522
adamc@1113	3523 if (ctx->n_globals+1 > uw_globals_max)
adamc@1113	3524 uw_error(ctx, FATAL, "Exceeded limit on number of globals");
adamc@1113	3525
adamc@1061	3526 ++ctx->n_globals;
adamc@1061	3527 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061	3528 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061	3529 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061	3530 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061	3531 }
adamc@1061	3532
adamc@1061	3533 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1153	3534 return !!isalnum((int)c);
adamc@1061	3535 }
adamc@1061	3536
adamc@1061	3537 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1153	3538 return !!isalpha((int)c);
adamc@1061	3539 }
adamc@1061	3540
adamc@1061	3541 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1153	3542 return !!isblank((int)c);
adamc@1061	3543 }
adamc@1061	3544
adamc@1061	3545 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1153	3546 return !!iscntrl((int)c);
adamc@1061	3547 }
adamc@1061	3548
adamc@1061	3549 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	3550 return !!isdigit((int)c);
adamc@1061	3551 }
adamc@1061	3552
adamc@1061	3553 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1153	3554 return !!isgraph((int)c);
adamc@1061	3555 }
adamc@1061	3556
adamc@1061	3557 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1153	3558 return !!islower((int)c);
adamc@1061	3559 }
adamc@1061	3560
adamc@1061	3561 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1153	3562 return !!isprint((int)c);
adamc@1061	3563 }
adamc@1061	3564
adamc@1061	3565 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1153	3566 return !!ispunct((int)c);
adamc@1061	3567 }
adamc@1061	3568
adamc@1061	3569 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1153	3570 return !!isspace((int)c);
adamc@1061	3571 }
adamc@1063	3572
adamc@1061	3573 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	3574 return !!isupper((int)c);
adamc@1061	3575 }
adamc@1061	3576
adamc@1061	3577 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1153	3578 return !!isxdigit((int)c);
adamc@1061	3579 }
adamc@1061	3580
adamc@1061	3581 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1153	3582 return tolower((int)c);
adamc@1061	3583 }
adamc@1061	3584
adamc@1061	3585 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1153	3586 return toupper((int)c);
adamc@1061	3587 }
adamc@1066	3588
adamc@1128	3589 uw_Basis_int uw_Basis_ord(uw_context ctx, uw_Basis_char c) {
adamc@1128	3590 return (unsigned char)c;
adamc@1128	3591 }
adamc@1128	3592
adamc@1128	3593 uw_Basis_char uw_Basis_chr(uw_context ctx, uw_Basis_int n) {
adamc@1128	3594 return n;
adamc@1128	3595 }
adamc@1128	3596
adamc@1066	3597 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066	3598 return ctx->current_url;
adamc@1066	3599 }
adamc@1066	3600
adamc@1066	3601 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066	3602 ctx->current_url = s;
adamc@1066	3603 }
adamc@1114	3604
adamc@1114	3605 void uw_set_deadline(uw_context ctx, int n) {
adamc@1114	3606 ctx->deadline = n;
adamc@1114	3607 }
adamc@1114	3608
adamc@1114	3609 void uw_check_deadline(uw_context ctx) {
adamc@1114	3610 if (uw_time > ctx->deadline)
adamc@1114	3611 uw_error(ctx, FATAL, "Maximum running time exceeded");
adamc@1114	3612 }
adamc@1115	3613
adamc@1115	3614 size_t uw_database_max = SIZE_MAX;
adamc@1120	3615
adam@1389	3616 uw_Basis_int uw_Basis_naughtyDebug(uw_context ctx, uw_Basis_string s) {
adam@1389	3617 fprintf(stderr, "%s\n", s);
adam@1389	3618 return 0;
adam@1389	3619 }
adam@1389	3620
adamc@1120	3621 uw_Basis_unit uw_Basis_debug(uw_context ctx, uw_Basis_string s) {
adam@1334	3622 if (ctx->log_debug)
adam@1334	3623 ctx->log_debug(ctx->logger_data, "%s\n", s);
adam@1334	3624 else
adam@1334	3625 fprintf(stderr, "%s\n", s);
adamc@1120	3626 return uw_unit_v;
adamc@1120	3627 }
adamc@1250	3628
adamc@1250	3629 uw_Basis_int uw_Basis_rand(uw_context ctx) {
adamc@1250	3630 uw_Basis_int n = abs(rand());
adamc@1250	3631 return n;
adamc@1250	3632 }
adam@1347	3633
adam@1347	3634 void uw_noPostBody(uw_context ctx) {
adam@1347	3635 ctx->hasPostBody = 0;
adam@1347	3636 }
adam@1347	3637
adam@1347	3638 void uw_postBody(uw_context ctx, uw_Basis_postBody pb) {
adam@1347	3639 ctx->hasPostBody = 1;
adam@1347	3640 ctx->postBody = pb;
adam@1347	3641 }
adam@1347	3642
adam@1347	3643 int uw_hasPostBody(uw_context ctx) {
adam@1347	3644 return ctx->hasPostBody;
adam@1347	3645 }
adam@1347	3646
adam@1386	3647 void uw_isPost(uw_context ctx) {
adam@1386	3648 ctx->isPost = 1;
adam@1386	3649 }
adam@1386	3650
adam@1386	3651 uw_Basis_bool uw_Basis_currentUrlHasPost(uw_context ctx) {
adam@1386	3652 return ctx->isPost;
adam@1386	3653 }
adam@1386	3654
adam@1370	3655 void uw_setQueryString(uw_context ctx, uw_Basis_string s) {
adam@1370	3656 ctx->queryString = s;
adam@1370	3657 }
adam@1370	3658
adam@1370	3659 uw_Basis_string uw_queryString(uw_context ctx) {
adam@1370	3660 return ctx->queryString;
adam@1370	3661 }
adam@1370	3662
adam@1347	3663 uw_Basis_postBody uw_getPostBody(uw_context ctx) {
adam@1347	3664 if (ctx->hasPostBody)
adam@1347	3665 return ctx->postBody;
adam@1347	3666 else
adam@1347	3667 uw_error(ctx, FATAL, "Asked for POST body when none exists");
adam@1347	3668 }
adam@1349	3669
adam@1349	3670 failure_kind uw_runCallback(uw_context ctx, void (*callback)(uw_context)) {
adam@1349	3671 int r = setjmp(ctx->jmp_buf);
adam@1349	3672
adam@1349	3673 if (ctx->app->db_begin(ctx))
adam@1349	3674 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1349	3675
adam@1349	3676 if (r == 0) {
adam@1349	3677 callback(ctx);
adam@1349	3678 uw_commit(ctx);
adam@1349	3679 }
adam@1349	3680 else
adam@1349	3681 uw_rollback(ctx, 0);
adam@1349	3682
adam@1349	3683 return r;
adam@1349	3684 }
adam@1360	3685
adam@1360	3686 uw_Basis_string uw_Basis_crypt(uw_context ctx, uw_Basis_string key, uw_Basis_string salt) {
adam@1397	3687 char buf[14];
adam@1397	3688 return uw_strdup(ctx, DES_fcrypt(key, salt, buf));
adam@1360	3689 }
adam@1365	3690
adam@1365	3691 uw_Basis_bool uw_Basis_eq_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3692 return !!(t1.seconds == t2.seconds && t1.microseconds == t2.microseconds);
adam@1365	3693 }
adam@1365	3694
adam@1365	3695 uw_Basis_bool uw_Basis_lt_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3696 return !!(t1.seconds < t2.seconds \|\| t1.microseconds < t2.microseconds);
adam@1365	3697 }
adam@1365	3698
adam@1365	3699 uw_Basis_bool uw_Basis_le_time(uw_context ctx, uw_Basis_time t1, uw_Basis_time t2) {
adam@1365	3700 return !!(uw_Basis_eq_time(ctx, t1, t2) \|\| uw_Basis_lt_time(ctx, t1, t2));
adam@1365	3701 }
adam@1365	3702
adam@1374	3703 /uw_Basis_time uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374	3704 uw_Basis_time *r = uw_Basis_stringToTime(ctx, s);
adam@1374	3705
adam@1374	3706 printf("timezone = %ld\n", timezone);
adam@1374	3707
adam@1374	3708 if (r)
adam@1374	3709 r->seconds -= timezone;
adam@1374	3710
adam@1374	3711 return r;
adam@1374	3712 }*/
adam@1374	3713
adam@1372	3714 uw_Basis_time *uw_Basis_readUtc(uw_context ctx, uw_Basis_string s) {
adam@1374	3715 struct tm stm = {};
adam@1375	3716 char *end = strchr(s, 0);
adam@1392	3717 stm.tm_isdst = -1;
adam@1375	3718
adam@1375	3719 if (strptime(s, TIME_FMT_PG, &stm) == end \|\| strptime(s, TIME_FMT, &stm) == end) {
adam@1373	3720 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adam@1375	3721
adam@1375	3722 tzset();
adam@1374	3723 stm.tm_hour -= timezone / (60 * 60);
adam@1375	3724
adam@1374	3725 r->seconds = mktime(&stm);
adam@1373	3726 r->microseconds = 0;
adam@1373	3727
adam@1373	3728 return r;
adam@1374	3729 }
adam@1374	3730 else
adam@1373	3731 return NULL;
adam@1372	3732 }
adam@1407	3733
adam@1407	3734 static const char begin_xhtml[] = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">";
adam@1407	3735
adam@1407	3736 failure_kind uw_begin_onError(uw_context ctx, char *msg) {
adam@1407	3737 int r = setjmp(ctx->jmp_buf);
adam@1407	3738
adam@1407	3739 if (ctx->app->on_error) {
adam@1407	3740 if (r == 0) {
adam@1407	3741 if (ctx->app->db_begin(ctx))
adam@1407	3742 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adam@1407	3743
adam@1408	3744 uw_write_header(ctx, "Status: 500 Internal Server Error\r\n");
adam@1407	3745 uw_write_header(ctx, "Content-type: text/html\r\n\r\n");
adam@1407	3746 uw_write(ctx, begin_xhtml);
adam@1407	3747 ctx->app->on_error(ctx, msg);
adam@1407	3748 uw_write(ctx, "</html>");
adam@1407	3749 }
adam@1407	3750
adam@1407	3751 return r;
adam@1407	3752 } else
adam@1407	3753 uw_error(ctx, FATAL, "Tried to run nonexistent onError handler");
adam@1407	3754 }

Mercurial > urweb

annotate src/c/urweb.c @ 1408:56ba9c442a2d