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

annotate src/c/urweb.c @ 1064:b89e3d8731ed

Make oneRowE1 more general

author	Adam Chlipala <adamc@hcoop.net>
date	Thu, 10 Dec 2009 12:06:03 -0500
parents	e3f6620afd51
children	217eb87dde31

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

Mercurial > urweb

annotate src/c/urweb.c @ 1064:b89e3d8731ed