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

annotate src/c/urweb.c @ 1369:1a78ca089bd0

Expose buffer type for other C libraries; replace minusSeconds with addSeconds

author	Adam Chlipala <adam@chlipala.net>
date	Sun, 26 Dec 2010 15:52:56 -0500
parents	8301ee4ab58c
children	44a12a321150

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

Mercurial > urweb

annotate src/c/urweb.c @ 1369:1a78ca089bd0