annotate src/c/urweb.c @ 1045:36efaf119b85

Refactor compile functions; allow empty tag contents
author Adam Chlipala <adamc@hcoop.net>
date Wed, 25 Nov 2009 08:52:32 -0500
parents a8a825861397
children 93315ac00394 b06a2a65e670
rev   line source
adamc@741 1 #define _XOPEN_SOURCE 500
adamc@436 2
adamc@117 3 #include <stdlib.h>
adamc@102 4 #include <stdio.h>
adamc@117 5 #include <string.h>
adamc@457 6 #include <strings.h>
adamc@106 7 #include <ctype.h>
adamc@167 8 #include <setjmp.h>
adamc@167 9 #include <stdarg.h>
adamc@682 10 #include <assert.h>
adamc@741 11 #include <ctype.h>
adamc@102 12
adamc@667 13 #include <pthread.h>
adamc@667 14
adamc@102 15 #include "types.h"
adamc@102 16
adamc@311 17 uw_unit uw_unit_v = {};
adamc@102 18
adamc@667 19
adamc@667 20 // Socket extras
adamc@667 21
adamc@863 22 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667 23 while (len > 0) {
adamc@856 24 ssize_t n = send(sock, buf, len, 0);
adamc@856 25
adamc@856 26 if (n < 0)
adamc@856 27 return n;
adamc@856 28
adamc@856 29 buf += n;
adamc@856 30 len -= n;
adamc@856 31 }
adamc@856 32
adamc@856 33 return 0;
adamc@856 34 }
adamc@856 35
adamc@856 36 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856 37 while (len > 0) {
adamc@856 38 ssize_t n = write(fd, buf, len);
adamc@667 39
adamc@667 40 if (n < 0)
adamc@667 41 return n;
adamc@667 42
adamc@667 43 buf += n;
adamc@667 44 len -= n;
adamc@667 45 }
adamc@667 46
adamc@667 47 return 0;
adamc@667 48 }
adamc@667 49
adamc@667 50
adamc@667 51 // Buffers
adamc@667 52
adamc@667 53 typedef struct {
adamc@667 54 char *start, *front, *back;
adamc@667 55 } buf;
adamc@667 56
adamc@667 57 static void buf_init(buf *b, size_t s) {
adamc@667 58 b->front = b->start = malloc(s);
adamc@667 59 b->back = b->front + s;
adamc@667 60 }
adamc@667 61
adamc@667 62 static void buf_free(buf *b) {
adamc@667 63 free(b->start);
adamc@667 64 }
adamc@667 65
adamc@667 66 static void buf_reset(buf *b) {
adamc@667 67 b->front = b->start;
adamc@667 68 }
adamc@667 69
adamc@667 70 static void buf_check(buf *b, size_t extra) {
adamc@667 71 if (b->back - b->front < extra) {
adamc@667 72 size_t desired = b->front - b->start + extra, next;
adamc@667 73 char *new_heap;
adamc@667 74
adamc@667 75 next = b->back - b->start;
adamc@667 76 if (next == 0)
adamc@667 77 next = 1;
adamc@667 78 for (; next < desired; next *= 2);
adamc@667 79
adamc@667 80 new_heap = realloc(b->start, next);
adamc@667 81 b->front = new_heap + (b->front - b->start);
adamc@667 82 b->back = new_heap + next;
adamc@667 83 b->start = new_heap;
adamc@667 84 }
adamc@667 85 }
adamc@667 86
adamc@667 87 static size_t buf_used(buf *b) {
adamc@667 88 return b->front - b->start;
adamc@667 89 }
adamc@667 90
adamc@667 91 static size_t buf_avail(buf *b) {
adamc@667 92 return b->back - b->start;
adamc@667 93 }
adamc@667 94
adamc@668 95 static void buf_append(buf *b, const char *s, size_t len) {
adamc@672 96 buf_check(b, len+1);
adamc@668 97 memcpy(b->front, s, len);
adamc@668 98 b->front += len;
adamc@672 99 *b->front = 0;
adamc@668 100 }
adamc@667 101
adamc@668 102
adamc@672 103 // Persistent state types
adamc@667 104
adamc@667 105 typedef enum { UNUSED, USED } usage;
adamc@667 106
adamc@667 107 typedef struct client {
adamc@682 108 unsigned id;
adamc@667 109 usage mode;
adamc@682 110 int pass;
adamc@682 111 struct client *next;
adamc@689 112 pthread_mutex_t lock, pull_lock;
adamc@682 113 buf msgs;
adamc@682 114 int sock;
adamc@863 115 int (*send)(int sockfd, const void *buf, ssize_t len);
adamc@863 116 int (*close)(int fd);
adamc@682 117 time_t last_contact;
adamc@682 118 unsigned n_channels;
adamc@685 119 unsigned refcount;
adamc@667 120 } client;
adamc@667 121
adamc@672 122
adamc@672 123 // Persistent client state
adamc@672 124
adamc@682 125 static client **clients, *clients_free, *clients_used;
adamc@682 126 static unsigned n_clients;
adamc@667 127
adamc@667 128 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667 129
adamc@682 130 static client *new_client() {
adamc@667 131 client *c;
adamc@667 132
adamc@667 133 pthread_mutex_lock(&clients_mutex);
adamc@667 134
adamc@667 135 if (clients_free) {
adamc@667 136 c = clients_free;
adamc@682 137 clients_free = clients_free->next;
adamc@667 138 }
adamc@667 139 else {
adamc@667 140 ++n_clients;
adamc@667 141 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667 142 c = malloc(sizeof(client));
adamc@667 143 c->id = n_clients-1;
adamc@682 144 pthread_mutex_init(&c->lock, NULL);
adamc@689 145 pthread_mutex_init(&c->pull_lock, NULL);
adamc@682 146 buf_init(&c->msgs, 0);
adamc@667 147 clients[n_clients-1] = c;
adamc@667 148 }
adamc@667 149
adamc@682 150 pthread_mutex_lock(&c->lock);
adamc@667 151 c->mode = USED;
adamc@682 152 c->pass = rand();
adamc@682 153 c->sock = -1;
adamc@682 154 c->last_contact = time(NULL);
adamc@682 155 buf_reset(&c->msgs);
adamc@682 156 c->n_channels = 0;
adamc@685 157 c->refcount = 0;
adamc@682 158 pthread_mutex_unlock(&c->lock);
adamc@682 159
adamc@682 160 c->next = clients_used;
adamc@682 161 clients_used = c;
adamc@667 162
adamc@667 163 pthread_mutex_unlock(&clients_mutex);
adamc@667 164
adamc@667 165 return c;
adamc@667 166 }
adamc@667 167
adamc@685 168 static void use_client(client *c) {
adamc@685 169 pthread_mutex_lock(&c->lock);
adamc@685 170 ++c->refcount;
adamc@685 171 pthread_mutex_unlock(&c->lock);
adamc@689 172 pthread_mutex_lock(&c->pull_lock);
adamc@685 173 }
adamc@685 174
adamc@685 175 static void release_client(client *c) {
adamc@689 176 pthread_mutex_unlock(&c->pull_lock);
adamc@685 177 pthread_mutex_lock(&c->lock);
adamc@685 178 --c->refcount;
adamc@685 179 pthread_mutex_unlock(&c->lock);
adamc@689 180
adamc@685 181 }
adamc@685 182
adamc@856 183 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667 184
adamc@682 185 static client *find_client(unsigned id) {
adamc@667 186 client *c;
adamc@667 187
adamc@667 188 pthread_mutex_lock(&clients_mutex);
adamc@667 189
adamc@667 190 if (id >= n_clients) {
adamc@667 191 pthread_mutex_unlock(&clients_mutex);
adamc@668 192 return NULL;
adamc@667 193 }
adamc@667 194
adamc@667 195 c = clients[id];
adamc@667 196
adamc@668 197 pthread_mutex_unlock(&clients_mutex);
adamc@668 198 return c;
adamc@668 199 }
adamc@668 200
adamc@856 201 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@856 202
adamc@856 203 void uw_set_on_success(char *s) {
adamc@856 204 on_success = s;
adamc@856 205 }
adamc@856 206
adamc@863 207 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863 208 int (*send)(int sockfd, const void *buf, ssize_t len),
adamc@864 209 int (*close)(int fd),
adamc@864 210 void *logger_data, uw_logger log_error) {
adamc@682 211 client *c = find_client(id);
adamc@668 212
adamc@668 213 if (c == NULL) {
adamc@667 214 close(sock);
adamc@864 215 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667 216 return;
adamc@667 217 }
adamc@667 218
adamc@682 219 pthread_mutex_lock(&c->lock);
adamc@671 220
adamc@682 221 if (c->mode != USED) {
adamc@682 222 pthread_mutex_unlock(&c->lock);
adamc@667 223 close(sock);
adamc@864 224 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667 225 return;
adamc@667 226 }
adamc@667 227
adamc@682 228 if (pass != c->pass) {
adamc@682 229 pthread_mutex_unlock(&c->lock);
adamc@682 230 close(sock);
adamc@864 231 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682 232 return;
adamc@667 233 }
adamc@667 234
adamc@682 235 if (c->sock != -1) {
adamc@863 236 c->close(c->sock);
adamc@682 237 c->sock = -1;
adamc@682 238 }
adamc@667 239
adamc@682 240 c->last_contact = time(NULL);
adamc@682 241
adamc@682 242 if (buf_used(&c->msgs) > 0) {
adamc@863 243 send(sock, on_success, strlen(on_success));
adamc@863 244 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 245 send(sock, c->msgs.start, buf_used(&c->msgs));
adamc@682 246 buf_reset(&c->msgs);
adamc@667 247 close(sock);
adamc@667 248 }
adamc@863 249 else {
adamc@682 250 c->sock = sock;
adamc@863 251 c->send = send;
adamc@863 252 c->close = close;
adamc@863 253 }
adamc@667 254
adamc@682 255 pthread_mutex_unlock(&c->lock);
adamc@667 256 }
adamc@667 257
adamc@682 258 static void free_client(client *c) {
adamc@682 259 c->mode = UNUSED;
adamc@682 260 c->pass = -1;
adamc@667 261
adamc@682 262 c->next = clients_free;
adamc@682 263 clients_free = c;
adamc@667 264 }
adamc@667 265
adamc@682 266 static uw_Basis_channel new_channel(client *c) {
adamc@682 267 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668 268 return ch;
adamc@668 269 }
adamc@668 270
adamc@685 271 static void client_send(client *c, buf *msg) {
adamc@685 272 pthread_mutex_lock(&c->lock);
adamc@671 273
adamc@682 274 if (c->sock != -1) {
adamc@863 275 c->send(c->sock, on_success, strlen(on_success));
adamc@863 276 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863 277 c->send(c->sock, msg->start, buf_used(msg));
adamc@863 278 c->close(c->sock);
adamc@682 279 c->sock = -1;
adamc@682 280 } else
adamc@682 281 buf_append(&c->msgs, msg->start, buf_used(msg));
adamc@671 282
adamc@685 283 pthread_mutex_unlock(&c->lock);
adamc@668 284 }
adamc@668 285
adamc@668 286
adamc@668 287 // Global entry points
adamc@668 288
adamc@866 289 extern void uw_client_init();
adamc@866 290
adamc@668 291 void uw_global_init() {
adamc@668 292 srand(time(NULL) ^ getpid());
adamc@668 293
adamc@668 294 clients = malloc(0);
adamc@866 295
adamc@866 296 uw_client_init();
adamc@668 297 }
adamc@668 298
adamc@668 299
adamc@667 300 // Single-request state
adamc@667 301
adamc@167 302 #define ERROR_BUF_LEN 1024
adamc@167 303
adamc@323 304 typedef struct regions {
adamc@323 305 struct regions *next;
adamc@323 306 } regions;
adamc@323 307
adamc@425 308 typedef struct {
adamc@425 309 void (*func)(void*);
adamc@425 310 void *arg;
adamc@425 311 } cleanup;
adamc@425 312
adamc@671 313 typedef struct {
adamc@682 314 unsigned client;
adamc@671 315 buf msgs;
adamc@682 316 } delta;
adamc@671 317
adamc@737 318 typedef enum {
adamc@759 319 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737 320 } input_kind;
adamc@737 321
adamc@756 322 typedef struct input {
adamc@737 323 input_kind kind;
adamc@737 324 union {
adamc@737 325 char *normal;
adamc@739 326 uw_Basis_file file;
adamc@756 327 struct {
adamc@759 328 struct input *fields, *parent;
adamc@756 329 } subform;
adamc@759 330 struct {
adamc@759 331 struct input *entries, *parent;
adamc@759 332 } subforms;
adamc@759 333 struct {
adamc@759 334 struct input *fields, *next, *parent;
adamc@759 335 } entry;
adamc@737 336 } data;
adamc@737 337 } input;
adamc@737 338
adamc@771 339 typedef struct {
adamc@771 340 void *data;
adamc@771 341 uw_callback commit, rollback, free;
adamc@771 342 } transactional;
adamc@771 343
adamc@311 344 struct uw_context {
adamc@854 345 char *(*get_header)(void *, const char *);
adamc@854 346 void *get_header_data;
adamc@457 347
adamc@666 348 buf outHeaders, page, heap, script;
adamc@921 349 int returning_blob;
adamc@759 350 input *inputs, *subinputs, *cur_container;
adamc@756 351 size_t n_subinputs, used_subinputs;
adamc@167 352
adamc@565 353 int source_count;
adamc@562 354
adamc@272 355 void *db;
adamc@272 356
adamc@167 357 jmp_buf jmp_buf;
adamc@167 358
adamc@323 359 regions *regions;
adamc@323 360
adamc@425 361 cleanup *cleanup, *cleanup_front, *cleanup_back;
adamc@425 362
adamc@667 363 const char *script_header, *url_prefix;
adamc@643 364
adamc@736 365 int needs_push, needs_sig;
adamc@693 366
adamc@682 367 size_t n_deltas, used_deltas;
adamc@682 368 delta *deltas;
adamc@671 369
adamc@673 370 int timeout;
adamc@673 371
adamc@682 372 client *client;
adamc@682 373
adamc@771 374 transactional *transactionals;
adamc@771 375 size_t n_transactionals, used_transactionals;
adamc@771 376
adamc@167 377 char error_message[ERROR_BUF_LEN];
adamc@117 378 };
adamc@117 379
adamc@683 380 extern int uw_inputs_len, uw_timeout;
adamc@144 381
adamc@687 382 uw_context uw_init() {
adamc@311 383 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136 384
adamc@854 385 ctx->get_header = NULL;
adamc@854 386 ctx->get_header_data = NULL;
adamc@457 387
adamc@687 388 buf_init(&ctx->outHeaders, 0);
adamc@687 389 buf_init(&ctx->page, 0);
adamc@921 390 ctx->returning_blob = 0;
adamc@687 391 buf_init(&ctx->heap, 0);
adamc@698 392 buf_init(&ctx->script, 1);
adamc@667 393 ctx->script.start[0] = 0;
adamc@136 394
adamc@737 395 ctx->inputs = calloc(uw_inputs_len, sizeof(input));
adamc@759 396 ctx->cur_container = NULL;
adamc@756 397 ctx->subinputs = malloc(0);
adamc@756 398 ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144 399
adamc@272 400 ctx->db = NULL;
adamc@272 401
adamc@323 402 ctx->regions = NULL;
adamc@323 403
adamc@425 404 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425 405
adamc@643 406 ctx->script_header = "";
adamc@667 407 ctx->url_prefix = "/";
adamc@693 408 ctx->needs_push = 0;
adamc@736 409 ctx->needs_sig = 0;
adamc@643 410
adamc@167 411 ctx->error_message[0] = 0;
adamc@167 412
adamc@565 413 ctx->source_count = 0;
adamc@562 414
adamc@682 415 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671 416 ctx->deltas = malloc(0);
adamc@671 417
adamc@673 418 ctx->timeout = uw_timeout;
adamc@673 419
adamc@700 420 ctx->client = NULL;
adamc@700 421
adamc@700 422 ctx->error_message[0] = 0;
adamc@700 423
adamc@771 424 ctx->transactionals = malloc(0);
adamc@771 425 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771 426
adamc@117 427 return ctx;
adamc@106 428 }
adamc@106 429
adamc@311 430 void uw_set_db(uw_context ctx, void *db) {
adamc@272 431 ctx->db = db;
adamc@272 432 }
adamc@272 433
adamc@311 434 void *uw_get_db(uw_context ctx) {
adamc@272 435 return ctx->db;
adamc@272 436 }
adamc@272 437
adamc@311 438 void uw_free(uw_context ctx) {
adamc@671 439 size_t i;
adamc@671 440
adamc@666 441 buf_free(&ctx->outHeaders);
adamc@666 442 buf_free(&ctx->script);
adamc@666 443 buf_free(&ctx->page);
adamc@666 444 buf_free(&ctx->heap);
adamc@144 445 free(ctx->inputs);
adamc@756 446 free(ctx->subinputs);
adamc@425 447 free(ctx->cleanup);
adamc@771 448 free(ctx->transactionals);
adamc@671 449
adamc@682 450 for (i = 0; i < ctx->n_deltas; ++i)
adamc@671 451 buf_free(&ctx->deltas[i].msgs);
adamc@671 452
adamc@136 453 free(ctx);
adamc@136 454 }
adamc@136 455
adamc@562 456 void uw_reset_keep_error_message(uw_context ctx) {
adamc@756 457 size_t i;
adamc@756 458
adamc@666 459 buf_reset(&ctx->outHeaders);
adamc@666 460 buf_reset(&ctx->script);
adamc@667 461 ctx->script.start[0] = 0;
adamc@666 462 buf_reset(&ctx->page);
adamc@921 463 ctx->returning_blob = 0;
adamc@666 464 buf_reset(&ctx->heap);
adamc@323 465 ctx->regions = NULL;
adamc@425 466 ctx->cleanup_front = ctx->cleanup;
adamc@565 467 ctx->source_count = 0;
adamc@682 468 ctx->used_deltas = 0;
adamc@682 469 ctx->client = NULL;
adamc@759 470 ctx->cur_container = NULL;
adamc@771 471 ctx->used_transactionals = 0;
adamc@167 472 }
adamc@167 473
adamc@562 474 void uw_reset_keep_request(uw_context ctx) {
adamc@562 475 uw_reset_keep_error_message(ctx);
adamc@562 476 ctx->error_message[0] = 0;
adamc@167 477 }
adamc@167 478
adamc@311 479 void uw_reset(uw_context ctx) {
adamc@311 480 uw_reset_keep_request(ctx);
adamc@737 481 memset(ctx->inputs, 0, uw_inputs_len * sizeof(input));
adamc@756 482 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756 483 ctx->used_subinputs = 0;
adamc@144 484 }
adamc@144 485
adamc@311 486 void uw_db_init(uw_context);
adamc@311 487 void uw_handle(uw_context, char *);
adamc@167 488
adamc@311 489 failure_kind uw_begin_init(uw_context ctx) {
adamc@272 490 int r = setjmp(ctx->jmp_buf);
adamc@272 491
adamc@272 492 if (r == 0)
adamc@311 493 uw_db_init(ctx);
adamc@272 494
adamc@272 495 return r;
adamc@272 496 }
adamc@272 497
adamc@854 498 void uw_set_headers(uw_context ctx, char *(*get_header)(void *, const char *), void *get_header_data) {
adamc@854 499 ctx->get_header = get_header;
adamc@854 500 ctx->get_header_data = get_header_data;
adamc@742 501 }
adamc@742 502
adamc@671 503 int uw_db_begin(uw_context);
adamc@167 504
adamc@801 505 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801 506 va_list ap;
adamc@801 507 va_start(ap, fmt);
adamc@801 508
adamc@801 509 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801 510 }
adamc@801 511
adamc@311 512 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425 513 cleanup *cl;
adamc@425 514
adamc@167 515 va_list ap;
adamc@167 516 va_start(ap, fmt);
adamc@167 517
adamc@167 518 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167 519
adamc@425 520 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425 521 cl->func(cl->arg);
adamc@425 522
adamc@425 523 ctx->cleanup_front = ctx->cleanup;
adamc@425 524
adamc@190 525 longjmp(ctx->jmp_buf, fk);
adamc@167 526 }
adamc@167 527
adamc@425 528 void uw_push_cleanup(uw_context ctx, void (*func)(void *), void *arg) {
adamc@425 529 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425 530 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425 531 if (len == 0)
adamc@425 532 newLen = 1;
adamc@425 533 else
adamc@428 534 newLen = len * 2;
adamc@470 535 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425 536 ctx->cleanup_front = ctx->cleanup + len;
adamc@425 537 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425 538 }
adamc@425 539
adamc@425 540 ctx->cleanup_front->func = func;
adamc@425 541 ctx->cleanup_front->arg = arg;
adamc@425 542 ++ctx->cleanup_front;
adamc@425 543 }
adamc@425 544
adamc@682 545 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854 546 return ctx->get_header(ctx->get_header_data, h);
adamc@682 547 }
adamc@682 548
adamc@682 549 void uw_login(uw_context ctx) {
adamc@693 550 if (ctx->needs_push) {
adamc@682 551 char *id_s, *pass_s;
adamc@682 552
adamc@682 553 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682 554 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682 555 unsigned id = atoi(id_s);
adamc@682 556 int pass = atoi(pass_s);
adamc@682 557 client *c = find_client(id);
adamc@682 558
adamc@682 559 if (c == NULL)
adamc@682 560 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682 561 else {
adamc@685 562 use_client(c);
adamc@682 563 ctx->client = c;
adamc@682 564
adamc@682 565 if (c->mode != USED)
adamc@682 566 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682 567 if (c->pass != pass)
adamc@682 568 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682 569 }
adamc@682 570 } else {
adamc@682 571 client *c = new_client();
adamc@685 572 use_client(c);
adamc@682 573 ctx->client = c;
adamc@864 574 }
adamc@682 575 }
adamc@682 576 }
adamc@682 577
adamc@671 578 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671 579 int r = setjmp(ctx->jmp_buf);
adamc@671 580
adamc@671 581 if (r == 0) {
adamc@671 582 if (uw_db_begin(ctx))
adamc@671 583 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682 584
adamc@671 585 uw_handle(ctx, path);
adamc@671 586 }
adamc@671 587
adamc@671 588 return r;
adamc@671 589 }
adamc@671 590
adamc@772 591 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682 592 if (ctx->client == NULL)
adamc@682 593 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682 594
adamc@682 595 return ctx->client->id;
adamc@682 596 }
adamc@682 597
adamc@425 598 void uw_pop_cleanup(uw_context ctx) {
adamc@425 599 if (ctx->cleanup_front == ctx->cleanup)
adamc@425 600 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425 601
adamc@425 602 --ctx->cleanup_front;
adamc@425 603 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425 604 }
adamc@425 605
adamc@311 606 char *uw_error_message(uw_context ctx) {
adamc@167 607 return ctx->error_message;
adamc@167 608 }
adamc@167 609
adamc@737 610 extern int uw_input_num(const char*);
adamc@144 611
adamc@759 612 static input *INP(uw_context ctx) {
adamc@759 613 if (ctx->cur_container == NULL)
adamc@759 614 return ctx->inputs;
adamc@759 615 else if (ctx->cur_container->kind == SUBFORM)
adamc@759 616 return ctx->cur_container->data.subform.fields;
adamc@759 617 else if (ctx->cur_container->kind == ENTRY)
adamc@759 618 return ctx->cur_container->data.entry.fields;
adamc@759 619 else
adamc@760 620 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759 621 }
adamc@759 622
adamc@760 623 static void adjust_pointer(input **ptr, input *old_start, input *new_start, size_t len) {
adamc@760 624 if (*ptr != NULL && *ptr >= old_start && *ptr < old_start + len)
adamc@760 625 *ptr += new_start - old_start;
adamc@760 626 }
adamc@760 627
adamc@760 628 static void adjust_input(input *x, input *old_start, input *new_start, size_t len) {
adamc@759 629 switch (x->kind) {
adamc@759 630 case SUBFORM:
adamc@760 631 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760 632 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759 633 break;
adamc@759 634 case SUBFORMS:
adamc@760 635 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760 636 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759 637 break;
adamc@759 638 case ENTRY:
adamc@760 639 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760 640 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760 641 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@759 642 }
adamc@759 643 }
adamc@759 644
adamc@759 645 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759 646 size_t i;
adamc@759 647 input *r;
adamc@759 648
adamc@759 649 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@759 650 input *new_subinputs = realloc(ctx->subinputs, sizeof(input) * (ctx->used_subinputs + len));
adamc@759 651 size_t offset = new_subinputs - ctx->subinputs;
adamc@759 652
adamc@760 653 if (ctx->subinputs != new_subinputs) {
adamc@760 654 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760 655 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 656 for (i = 0; i < uw_inputs_len; ++i)
adamc@760 657 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 658
adamc@760 659 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760 660
adamc@760 661 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760 662 ctx->subinputs = new_subinputs;
adamc@760 663 }
adamc@759 664 }
adamc@759 665
adamc@759 666 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759 667
adamc@759 668 for (i = 0; i < len; ++i)
adamc@759 669 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759 670
adamc@759 671 return r;
adamc@759 672 }
adamc@756 673
adamc@801 674 int uw_set_input(uw_context ctx, const char *name, char *value) {
adamc@1038 675 printf("Input name %s\n", name);
adamc@1038 676
adamc@756 677 if (!strcasecmp(name, ".b")) {
adamc@756 678 int n = uw_input_num(value);
adamc@756 679 input *inps;
adamc@756 680
adamc@801 681 if (n < 0) {
adamc@801 682 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801 683 return -1;
adamc@801 684 }
adamc@801 685
adamc@801 686 if (n >= uw_inputs_len) {
adamc@801 687 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801 688 return -1;
adamc@801 689 }
adamc@756 690
adamc@759 691 inps = check_input_space(ctx, uw_inputs_len);
adamc@759 692
adamc@759 693 INP(ctx)[n].kind = SUBFORM;
adamc@759 694 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759 695 INP(ctx)[n].data.subform.fields = inps;
adamc@759 696 ctx->cur_container = &INP(ctx)[n];
adamc@756 697 } else if (!strcasecmp(name, ".e")) {
adamc@756 698 input *tmp;
adamc@756 699
adamc@801 700 if (ctx->cur_container == NULL) {
adamc@801 701 uw_set_error(ctx, "Unmatched subform closer");
adamc@801 702 return -1;
adamc@801 703 }
adamc@756 704
adamc@759 705 tmp = ctx->cur_container;
adamc@759 706 switch (tmp->kind) {
adamc@759 707 case SUBFORM:
adamc@759 708 ctx->cur_container = tmp->data.subform.parent;
adamc@759 709 tmp->data.subform.parent = NULL;
adamc@759 710 break;
adamc@759 711 case SUBFORMS:
adamc@759 712 ctx->cur_container = tmp->data.subforms.parent;
adamc@759 713 tmp->data.subforms.parent = NULL;
adamc@759 714 break;
adamc@759 715 case ENTRY:
adamc@759 716 ctx->cur_container = tmp->data.entry.parent;
adamc@759 717 break;
adamc@759 718 default:
adamc@801 719 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801 720 return -1;
adamc@759 721 }
adamc@759 722 } else if (!strcasecmp(name, ".s")) {
adamc@759 723 int n = uw_input_num(value);
adamc@759 724
adamc@801 725 if (n < 0) {
adamc@801 726 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801 727 return -1;
adamc@801 728 }
adamc@801 729
adamc@801 730 if (n >= uw_inputs_len) {
adamc@801 731 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801 732 return -1;
adamc@801 733 }
adamc@759 734
adamc@759 735 INP(ctx)[n].kind = SUBFORMS;
adamc@759 736 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 737 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759 738 ctx->cur_container = &INP(ctx)[n];
adamc@759 739 } else if (!strcasecmp(name, ".i")) {
adamc@759 740 input *inps;
adamc@759 741
adamc@801 742 if (!ctx->cur_container) {
adamc@801 743 uw_set_error(ctx, "New entry without container");
adamc@801 744 return -1;
adamc@801 745 }
adamc@801 746
adamc@801 747 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801 748 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801 749 return -1;
adamc@801 750 }
adamc@759 751
adamc@759 752 inps = check_input_space(ctx, uw_inputs_len + 1);
adamc@759 753
adamc@759 754 inps->kind = ENTRY;
adamc@759 755 inps->data.entry.parent = ctx->cur_container;
adamc@759 756 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759 757 ctx->cur_container->data.subforms.entries = inps;
adamc@759 758
adamc@759 759 inps->data.entry.fields = inps+1;
adamc@759 760 ctx->cur_container = inps;
adamc@756 761 } else {
adamc@756 762 int n = uw_input_num(name);
adamc@756 763
adamc@801 764 if (n < 0) {
adamc@1038 765 if (!strcmp(name, "null"))
adamc@1038 766 return 0;
adamc@801 767 uw_set_error(ctx, "Bad input name %s", name);
adamc@801 768 return -1;
adamc@801 769 }
adamc@801 770
adamc@801 771 if (n >= uw_inputs_len) {
adamc@801 772 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801 773 return -1;
adamc@801 774 }
adamc@756 775
adamc@756 776 INP(ctx)[n].kind = NORMAL;
adamc@756 777 INP(ctx)[n].data.normal = value;
adamc@756 778 }
adamc@801 779
adamc@801 780 return 0;
adamc@144 781 }
adamc@144 782
adamc@311 783 char *uw_get_input(uw_context ctx, int n) {
adamc@169 784 if (n < 0)
adamc@311 785 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311 786 if (n >= uw_inputs_len)
adamc@311 787 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 788
adamc@756 789 switch (INP(ctx)[n].kind) {
adamc@737 790 case UNSET:
adamc@737 791 return NULL;
adamc@739 792 case FIL:
adamc@739 793 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 794 case SUBFORM:
adamc@756 795 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 796 case SUBFORMS:
adamc@759 797 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 798 case ENTRY:
adamc@759 799 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 800 case NORMAL:
adamc@756 801 return INP(ctx)[n].data.normal;
adamc@737 802 default:
adamc@737 803 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 804 }
adamc@138 805 }
adamc@138 806
adamc@311 807 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190 808 if (n < 0)
adamc@311 809 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@311 810 if (n >= uw_inputs_len)
adamc@311 811 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737 812
adamc@756 813 switch (INP(ctx)[n].kind) {
adamc@737 814 case UNSET:
adamc@737 815 return "";
adamc@739 816 case FIL:
adamc@739 817 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756 818 case SUBFORM:
adamc@756 819 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759 820 case SUBFORMS:
adamc@759 821 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759 822 case ENTRY:
adamc@759 823 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737 824 case NORMAL:
adamc@756 825 return INP(ctx)[n].data.normal;
adamc@737 826 default:
adamc@737 827 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 828 }
adamc@737 829 }
adamc@737 830
adamc@801 831 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@737 832 int n = uw_input_num(name);
adamc@737 833
adamc@801 834 if (n < 0) {
adamc@801 835 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801 836 return -1;
adamc@801 837 }
adamc@801 838
adamc@801 839 if (n >= uw_inputs_len) {
adamc@801 840 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801 841 return -1;
adamc@801 842 }
adamc@737 843
adamc@739 844 ctx->inputs[n].kind = FIL;
adamc@739 845 ctx->inputs[n].data.file = f;
adamc@801 846
adamc@801 847 return 0;
adamc@737 848 }
adamc@737 849
adamc@739 850 void *uw_malloc(uw_context ctx, size_t len);
adamc@739 851
adamc@760 852
adamc@760 853 static void parents(input *inp) {
adamc@760 854 printf("Stack: %p\n", inp);
adamc@760 855 while (inp) {
adamc@760 856 switch (inp->kind) {
adamc@760 857 case NORMAL:
adamc@760 858 printf("Normal(%p)\n", inp);
adamc@760 859 break;
adamc@760 860 case FIL:
adamc@760 861 printf("File(%p)\n", inp);
adamc@760 862 break;
adamc@760 863 case SUBFORM:
adamc@760 864 printf("Subform; fields = %p\n", inp->data.subform.fields);
adamc@760 865 inp = inp->data.subform.parent;
adamc@760 866 break;
adamc@760 867 case SUBFORMS:
adamc@760 868 printf("Subforms; entries = %p\n", inp->data.subforms.entries);
adamc@760 869 inp = inp->data.subforms.parent;
adamc@760 870 break;
adamc@760 871 case ENTRY:
adamc@760 872 printf("Entry; fields = %p; next = %p\n", inp->data.entry.fields, inp->data.entry.next);
adamc@760 873 inp = inp->data.entry.parent;
adamc@760 874 break;
adamc@760 875 default:
adamc@760 876 inp = NULL;
adamc@760 877 }
adamc@760 878 }
adamc@760 879 }
adamc@760 880
adamc@739 881 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737 882 if (n < 0)
adamc@737 883 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@737 884 if (n >= uw_inputs_len)
adamc@737 885 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737 886
adamc@756 887 switch (INP(ctx)[n].kind) {
adamc@737 888 case UNSET:
adamc@737 889 {
adamc@739 890 char *data = uw_malloc(ctx, 0);
adamc@740 891 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739 892 return f;
adamc@737 893 }
adamc@739 894 case FIL:
adamc@756 895 return INP(ctx)[n].data.file;
adamc@737 896 case NORMAL:
adamc@737 897 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756 898 case SUBFORM:
adamc@756 899 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759 900 case SUBFORMS:
adamc@759 901 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759 902 case ENTRY:
adamc@759 903 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737 904 default:
adamc@737 905 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737 906 }
adamc@190 907 }
adamc@190 908
adamc@756 909 void uw_enter_subform(uw_context ctx, int n) {
adamc@756 910 if (n < 0)
adamc@756 911 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@756 912 if (n >= uw_inputs_len)
adamc@756 913 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756 914
adamc@756 915 switch (INP(ctx)[n].kind) {
adamc@756 916 case UNSET:
adamc@756 917 uw_error(ctx, FATAL, "Missing subform");
adamc@756 918 case FIL:
adamc@756 919 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756 920 case NORMAL:
adamc@756 921 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759 922 case SUBFORMS:
adamc@759 923 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759 924 case ENTRY:
adamc@759 925 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756 926 case SUBFORM:
adamc@759 927 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760 928 ctx->cur_container = &INP(ctx)[n];
adamc@756 929 return;
adamc@756 930 default:
adamc@756 931 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756 932 }
adamc@756 933 }
adamc@756 934
adamc@756 935 void uw_leave_subform(uw_context ctx) {
adamc@756 936 input *tmp;
adamc@756 937
adamc@759 938 if (ctx->cur_container == NULL)
adamc@756 939 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756 940
adamc@759 941 tmp = ctx->cur_container;
adamc@759 942 ctx->cur_container = tmp->data.subform.parent;
adamc@759 943 tmp->data.subform.parent = NULL;
adamc@759 944 }
adamc@759 945
adamc@759 946 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759 947 input *inps;
adamc@759 948
adamc@759 949 if (n < 0)
adamc@759 950 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@759 951 if (n >= uw_inputs_len)
adamc@759 952 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759 953
adamc@759 954 switch (INP(ctx)[n].kind) {
adamc@759 955 case UNSET:
adamc@759 956 uw_error(ctx, FATAL, "Missing subforms");
adamc@759 957 case FIL:
adamc@759 958 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759 959 case NORMAL:
adamc@759 960 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759 961 case SUBFORM:
adamc@759 962 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759 963 case ENTRY:
adamc@759 964 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759 965 case SUBFORMS:
adamc@759 966 inps = INP(ctx)[n].data.subforms.entries;
adamc@759 967 if (inps) {
adamc@759 968 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759 969 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759 970 return 1;
adamc@759 971 } else
adamc@759 972 return 0;
adamc@759 973 default:
adamc@759 974 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 975 }
adamc@759 976 }
adamc@759 977
adamc@759 978 int uw_next_entry(uw_context ctx) {
adamc@759 979 if (ctx->cur_container == NULL)
adamc@759 980 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759 981
adamc@759 982 switch (ctx->cur_container->kind) {
adamc@759 983 case UNSET:
adamc@759 984 uw_error(ctx, FATAL, "Missing entry");
adamc@759 985 case FIL:
adamc@759 986 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759 987 case NORMAL:
adamc@759 988 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759 989 case SUBFORM:
adamc@759 990 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759 991 case SUBFORMS:
adamc@759 992 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759 993 case ENTRY:
adamc@759 994 if (ctx->cur_container->data.entry.next) {
adamc@759 995 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759 996 return 1;
adamc@759 997 } else {
adamc@759 998 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759 999 return 0;
adamc@759 1000 }
adamc@759 1001 default:
adamc@759 1002 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759 1003 }
adamc@756 1004 }
adamc@756 1005
adamc@643 1006 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643 1007 ctx->script_header = s;
adamc@643 1008 }
adamc@643 1009
adamc@667 1010 void uw_set_url_prefix(uw_context ctx, const char *s) {
adamc@667 1011 ctx->url_prefix = s;
adamc@667 1012 }
adamc@667 1013
adamc@693 1014 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693 1015 ctx->needs_push = n;
adamc@693 1016 }
adamc@693 1017
adamc@736 1018 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736 1019 ctx->needs_sig = n;
adamc@736 1020 }
adamc@736 1021
adamc@667 1022
adamc@667 1023 static void buf_check_ctx(uw_context ctx, buf *b, size_t extra, const char *desc) {
adamc@666 1024 if (b->back - b->front < extra) {
adamc@666 1025 size_t desired = b->front - b->start + extra, next;
adamc@136 1026 char *new_heap;
adamc@136 1027
adamc@666 1028 next = b->back - b->start;
adamc@317 1029 if (next == 0)
adamc@317 1030 next = 1;
adamc@317 1031 for (; next < desired; next *= 2);
adamc@136 1032
adamc@666 1033 new_heap = realloc(b->start, next);
adamc@666 1034 b->front = new_heap + (b->front - b->start);
adamc@666 1035 b->back = new_heap + next;
adamc@136 1036
adamc@667 1037 if (new_heap != b->start) {
adamc@666 1038 b->start = new_heap;
adamc@666 1039 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136 1040 }
adamc@136 1041
adamc@666 1042 b->start = new_heap;
adamc@136 1043 }
adamc@136 1044 }
adamc@136 1045
adamc@832 1046 void uw_check_heap(uw_context ctx, size_t extra) {
adamc@667 1047 buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
adamc@666 1048 }
adamc@666 1049
adamc@832 1050 char *uw_heap_front(uw_context ctx) {
adamc@832 1051 return ctx->heap.front;
adamc@832 1052 }
adamc@832 1053
adamc@832 1054 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832 1055 ctx->heap.front = fr;
adamc@832 1056 }
adamc@832 1057
adamc@311 1058 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136 1059 void *result;
adamc@136 1060
adamc@311 1061 uw_check_heap(ctx, len);
adamc@136 1062
adamc@666 1063 result = ctx->heap.front;
adamc@666 1064 ctx->heap.front += len;
adamc@136 1065 return result;
adamc@117 1066 }
adamc@117 1067
adamc@323 1068 void uw_begin_region(uw_context ctx) {
adamc@666 1069 regions *r = (regions *) ctx->heap.front;
adamc@323 1070
adamc@323 1071 uw_check_heap(ctx, sizeof(regions));
adamc@323 1072
adamc@666 1073 ctx->heap.front += sizeof(regions);
adamc@323 1074
adamc@323 1075 r->next = ctx->regions;
adamc@323 1076 ctx->regions = r;
adamc@323 1077 }
adamc@323 1078
adamc@323 1079 void uw_end_region(uw_context ctx) {
adamc@323 1080 regions *r = ctx->regions;
adamc@323 1081
adamc@323 1082 if (r == NULL)
adamc@323 1083 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323 1084
adamc@666 1085 ctx->heap.front = (char *) r;
adamc@323 1086 ctx->regions = r->next;
adamc@323 1087 }
adamc@323 1088
adamc@324 1089 void uw_memstats(uw_context ctx) {
adamc@666 1090 printf("Headers: %d/%d\n", buf_used(&ctx->outHeaders), buf_avail(&ctx->outHeaders));
adamc@666 1091 printf("Script: %d/%d\n", buf_used(&ctx->script), buf_avail(&ctx->script));
adamc@666 1092 printf("Page: %d/%d\n", buf_used(&ctx->page), buf_avail(&ctx->page));
adamc@666 1093 printf("Heap: %d/%d\n", buf_used(&ctx->heap), buf_avail(&ctx->heap));
adamc@324 1094 }
adamc@324 1095
adamc@311 1096 int uw_send(uw_context ctx, int sock) {
adamc@666 1097 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462 1098
adamc@462 1099 if (n < 0)
adamc@462 1100 return n;
adamc@462 1101
adamc@462 1102 n = uw_really_send(sock, "\r\n", 2);
adamc@462 1103
adamc@462 1104 if (n < 0)
adamc@462 1105 return n;
adamc@462 1106
adamc@666 1107 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462 1108 }
adamc@462 1109
adamc@856 1110 int uw_print(uw_context ctx, int fd) {
adamc@856 1111 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856 1112
adamc@856 1113 if (n < 0)
adamc@856 1114 return n;
adamc@856 1115
adamc@856 1116 n = uw_really_write(fd, "\r\n", 2);
adamc@856 1117
adamc@856 1118 if (n < 0)
adamc@856 1119 return n;
adamc@856 1120
adamc@856 1121 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856 1122 }
adamc@856 1123
adamc@860 1124 int uw_output(uw_context ctx, int (*output)(void *data, char *buf, size_t len), void *data) {
adamc@860 1125 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860 1126
adamc@860 1127 if (n < 0)
adamc@860 1128 return n;
adamc@860 1129
adamc@860 1130 n = output(data, "\r\n", 2);
adamc@860 1131
adamc@860 1132 if (n < 0)
adamc@860 1133 return n;
adamc@860 1134
adamc@860 1135 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860 1136 }
adamc@860 1137
adamc@462 1138 static void uw_check_headers(uw_context ctx, size_t extra) {
adamc@667 1139 buf_check(&ctx->outHeaders, extra);
adamc@462 1140 }
adamc@462 1141
adamc@462 1142 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462 1143 int len = strlen(s);
adamc@462 1144
adamc@462 1145 uw_check_headers(ctx, len + 1);
adamc@666 1146 strcpy(ctx->outHeaders.front, s);
adamc@666 1147 ctx->outHeaders.front += len;
adamc@562 1148 }
adamc@562 1149
adamc@562 1150 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@667 1151 buf_check(&ctx->script, extra);
adamc@562 1152 }
adamc@562 1153
adamc@562 1154 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562 1155 int len = strlen(s);
adamc@562 1156
adamc@562 1157 uw_check_script(ctx, len + 1);
adamc@666 1158 strcpy(ctx->script.front, s);
adamc@666 1159 ctx->script.front += len;
adamc@562 1160 }
adamc@562 1161
adamc@645 1162 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916 1163 return "<sc>";
adamc@565 1164 }
adamc@565 1165
adamc@695 1166 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695 1167 if (s[0] == 0)
adamc@695 1168 return "";
adamc@695 1169 else {
adamc@695 1170 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695 1171 sprintf(r, " onload='%s'", s);
adamc@695 1172 return r;
adamc@695 1173 }
adamc@695 1174 }
adamc@695 1175
adamc@1042 1176 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042 1177 if (ctx->script_header[0] == 0)
adamc@1042 1178 return "";
adamc@1042 1179 else {
adamc@1042 1180 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042 1181 sprintf(r, " onunload='unload();%s'", s);
adamc@1042 1182 return r;
adamc@1042 1183 }
adamc@1042 1184 }
adamc@1042 1185
adamc@736 1186 extern uw_Basis_string uw_cookie_sig(uw_context);
adamc@736 1187
adamc@694 1188 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736 1189 if (ctx->client == NULL) {
adamc@736 1190 if (ctx->needs_sig) {
adamc@736 1191 char *sig = uw_cookie_sig(ctx);
adamc@736 1192 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736 1193 sprintf(r, "sig=\"%s\";", sig);
adamc@736 1194 return r;
adamc@736 1195 }
adamc@736 1196 else
adamc@736 1197 return "";
adamc@736 1198 } else {
adamc@736 1199 char *sig = ctx->needs_sig ? uw_cookie_sig(ctx) : "";
adamc@736 1200 char *r = uw_malloc(ctx, 59 + 3 * INTS_MAX + strlen(ctx->url_prefix)
adamc@736 1201 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736 1202 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682 1203 ctx->client->id,
adamc@682 1204 ctx->client->pass,
adamc@679 1205 ctx->url_prefix,
adamc@736 1206 ctx->timeout,
adamc@736 1207 ctx->needs_sig ? "sig=\"" : "",
adamc@736 1208 sig,
adamc@736 1209 ctx->needs_sig ? "\";" : "");
adamc@679 1210 return r;
adamc@668 1211 }
adamc@667 1212 }
adamc@667 1213
adamc@574 1214 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574 1215 char *r, *s2;
adamc@574 1216
adamc@574 1217 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574 1218
adamc@666 1219 r = s2 = ctx->heap.front;
adamc@574 1220 *s2++ = '"';
adamc@574 1221
adamc@574 1222 for (; *s; s++) {
adamc@574 1223 char c = *s;
adamc@574 1224
adamc@574 1225 switch (c) {
adamc@574 1226 case '"':
adamc@574 1227 strcpy(s2, "\\\"");
adamc@574 1228 s2 += 2;
adamc@574 1229 break;
adamc@1027 1230 case '\'':
adamc@1027 1231 strcpy(s2, "\\047");
adamc@1027 1232 s2 += 4;
adamc@1027 1233 break;
adamc@574 1234 case '\\':
adamc@574 1235 strcpy(s2, "\\\\");
adamc@574 1236 s2 += 2;
adamc@574 1237 break;
adamc@574 1238 default:
adamc@574 1239 if (isprint(c))
adamc@574 1240 *s2++ = c;
adamc@574 1241 else {
adamc@574 1242 sprintf(s2, "\\%3o", c);
adamc@574 1243 s2 += 4;
adamc@574 1244 }
adamc@574 1245 }
adamc@574 1246 }
adamc@574 1247
adamc@574 1248 strcpy(s2, "\"");
adamc@910 1249 ctx->heap.front = s2 + 2;
adamc@574 1250 return r;
adamc@574 1251 }
adamc@574 1252
adamc@1025 1253 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1025 1254 char *r, *s2;
adamc@1025 1255
adamc@1025 1256 uw_check_heap(ctx, 6);
adamc@1025 1257
adamc@1025 1258 r = s2 = ctx->heap.front;
adamc@1025 1259 *s2++ = '"';
adamc@1025 1260
adamc@1025 1261 switch (c) {
adamc@1025 1262 case '"':
adamc@1025 1263 strcpy(s2, "\\\"");
adamc@1025 1264 s2 += 2;
adamc@1025 1265 break;
adamc@1027 1266 case '\'':
adamc@1027 1267 strcpy(s2, "\\047");
adamc@1027 1268 s2 += 4;
adamc@1027 1269 break;
adamc@1025 1270 case '\\':
adamc@1025 1271 strcpy(s2, "\\\\");
adamc@1025 1272 s2 += 2;
adamc@1025 1273 break;
adamc@1025 1274 default:
adamc@1025 1275 if (isprint(c))
adamc@1025 1276 *s2++ = c;
adamc@1025 1277 else {
adamc@1025 1278 sprintf(s2, "\\%3o", c);
adamc@1025 1279 s2 += 4;
adamc@1025 1280 }
adamc@1025 1281 }
adamc@1025 1282
adamc@1025 1283 strcpy(s2, "\"");
adamc@1025 1284 ctx->heap.front = s2 + 2;
adamc@1025 1285 return r;
adamc@1025 1286 }
adamc@1025 1287
adamc@574 1288 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574 1289 char *r, *s2;
adamc@574 1290
adamc@574 1291 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574 1292
adamc@666 1293 r = s2 = ctx->script.front;
adamc@574 1294 *s2++ = '"';
adamc@574 1295
adamc@574 1296 for (; *s; s++) {
adamc@574 1297 char c = *s;
adamc@574 1298
adamc@574 1299 switch (c) {
adamc@577 1300 case '\'':
adamc@1027 1301 strcpy(s2, "\\");
adamc@574 1302 s2 += 2;
adamc@574 1303 break;
adamc@574 1304 case '\\':
adamc@574 1305 strcpy(s2, "\\\\");
adamc@574 1306 s2 += 2;
adamc@574 1307 break;
adamc@574 1308 default:
adamc@574 1309 if (isprint(c))
adamc@574 1310 *s2++ = c;
adamc@574 1311 else {
adamc@574 1312 sprintf(s2, "\\%3o", c);
adamc@574 1313 s2 += 4;
adamc@574 1314 }
adamc@574 1315 }
adamc@574 1316 }
adamc@574 1317
adamc@574 1318 strcpy(s2, "\"");
adamc@666 1319 ctx->script.front = s2 + 1;
adamc@574 1320 return r;
adamc@574 1321 }
adamc@574 1322
adamc@682 1323 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1324 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1325 return "null";
adamc@682 1326 else {
adamc@682 1327 int len;
adamc@682 1328 char *r;
adamc@682 1329
adamc@682 1330 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1331 r = ctx->heap.front;
adamc@682 1332 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1333 ctx->heap.front += len+1;
adamc@682 1334 return r;
adamc@682 1335 }
adamc@682 1336 }
adamc@682 1337
adamc@577 1338 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577 1339 int len;
adamc@577 1340 size_t s_len = strlen(s);
adamc@562 1341
adamc@970 1342 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970 1343 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666 1344 ctx->script.front += len;
adamc@666 1345 strcpy(ctx->script.front, s);
adamc@666 1346 ctx->script.front += s_len;
adamc@970 1347 strcpy(ctx->script.front, "));");
adamc@972 1348 ctx->script.front += 3;
adamc@562 1349
adamc@565 1350 return ctx->source_count++;
adamc@117 1351 }
adamc@117 1352
adamc@577 1353 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577 1354 int len;
adamc@577 1355 size_t s_len = strlen(s);
adamc@577 1356
adamc@970 1357 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970 1358 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &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@577 1364
adamc@577 1365 return uw_unit_v;
adamc@577 1366 }
adamc@577 1367
adamc@311 1368 static void uw_check(uw_context ctx, size_t extra) {
adamc@667 1369 buf_check(&ctx->page, extra);
adamc@117 1370 }
adamc@117 1371
adamc@311 1372 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666 1373 *(ctx->page.front)++ = c;
adamc@117 1374 }
adamc@117 1375
adamc@311 1376 void uw_writec(uw_context ctx, char c) {
adamc@311 1377 uw_check(ctx, 1);
adamc@311 1378 uw_writec_unsafe(ctx, c);
adamc@117 1379 }
adamc@117 1380
adamc@311 1381 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117 1382 int len = strlen(s);
adamc@666 1383 memcpy(ctx->page.front, s, len);
adamc@666 1384 ctx->page.front += len;
adamc@117 1385 }
adamc@117 1386
adamc@311 1387 void uw_write(uw_context ctx, const char* s) {
adamc@311 1388 uw_check(ctx, strlen(s) + 1);
adamc@311 1389 uw_write_unsafe(ctx, s);
adamc@666 1390 *ctx->page.front = 0;
adamc@102 1391 }
adamc@106 1392
adamc@311 1393 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136 1394 char *result;
adamc@136 1395 int len;
adamc@311 1396 uw_check_heap(ctx, INTS_MAX);
adamc@666 1397 result = ctx->heap.front;
adamc@276 1398 sprintf(result, "%lld%n", n, &len);
adamc@666 1399 ctx->heap.front += len+1;
adamc@136 1400 return result;
adamc@106 1401 }
adamc@106 1402
adamc@311 1403 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136 1404 char *result;
adamc@136 1405 int len;
adamc@311 1406 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1407 result = ctx->heap.front;
adamc@136 1408 sprintf(result, "%g%n", n, &len);
adamc@666 1409 ctx->heap.front += len+1;
adamc@136 1410 return result;
adamc@106 1411 }
adamc@106 1412
adamc@311 1413 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136 1414 int len = strlen(s);
adamc@136 1415 char *result, *p;
adamc@311 1416 uw_check_heap(ctx, len * 6 + 1);
adamc@136 1417
adamc@666 1418 result = p = ctx->heap.front;
adamc@136 1419
adamc@136 1420 for (; *s; s++) {
adamc@136 1421 char c = *s;
adamc@136 1422
adamc@136 1423 if (c == '"') {
adamc@136 1424 strcpy(p, "&quot;");
adamc@136 1425 p += 6;
adamc@136 1426 } else if (c == '&') {
adamc@136 1427 strcpy(p, "&amp;");
adamc@136 1428 p += 5;
adamc@136 1429 }
adamc@136 1430 else if (isprint(c))
adamc@136 1431 *p++ = c;
adamc@136 1432 else {
adamc@136 1433 int len2;
adamc@136 1434 sprintf(p, "&#%d;%n", c, &len2);
adamc@136 1435 p += len2;
adamc@136 1436 }
adamc@136 1437 }
adamc@136 1438
adamc@137 1439 *p++ = 0;
adamc@666 1440 ctx->heap.front = p;
adamc@136 1441 return result;
adamc@106 1442 }
adamc@106 1443
adamc@1011 1444 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 1445 char *result, *p;
adamc@1011 1446 uw_check_heap(ctx, 7);
adamc@1011 1447
adamc@1011 1448 result = p = ctx->heap.front;
adamc@1011 1449
adamc@1011 1450 if (c == '"') {
adamc@1011 1451 strcpy(p, "&quot;");
adamc@1011 1452 p += 6;
adamc@1011 1453 } else if (c == '&') {
adamc@1011 1454 strcpy(p, "&amp;");
adamc@1011 1455 p += 5;
adamc@1011 1456 }
adamc@1011 1457 else if (isprint(c))
adamc@1011 1458 *p++ = c;
adamc@1011 1459 else {
adamc@1011 1460 int len2;
adamc@1011 1461 sprintf(p, "&#%d;%n", c, &len2);
adamc@1011 1462 p += len2;
adamc@1011 1463 }
adamc@1011 1464
adamc@1011 1465 *p++ = 0;
adamc@1011 1466 ctx->heap.front = p;
adamc@1011 1467 return result;
adamc@1011 1468 }
adamc@1011 1469
adamc@721 1470 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721 1471 return s;
adamc@721 1472 }
adamc@721 1473
adamc@311 1474 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117 1475 int len;
adamc@117 1476
adamc@666 1477 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1478 ctx->page.front += len;
adamc@106 1479 }
adamc@106 1480
adamc@428 1481 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1482 uw_check(ctx, INTS_MAX);
adamc@311 1483 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428 1484
adamc@428 1485 return uw_unit_v;
adamc@106 1486 }
adamc@106 1487
adamc@428 1488 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117 1489 int len;
adamc@117 1490
adamc@311 1491 uw_check(ctx, FLOATS_MAX);
adamc@666 1492 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1493 ctx->page.front += len;
adamc@428 1494
adamc@428 1495 return uw_unit_v;
adamc@117 1496 }
adamc@117 1497
adamc@428 1498 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311 1499 uw_check(ctx, strlen(s) * 6);
adamc@117 1500
adamc@106 1501 for (; *s; s++) {
adamc@106 1502 char c = *s;
adamc@106 1503
adamc@106 1504 if (c == '"')
adamc@311 1505 uw_write_unsafe(ctx, "&quot;");
adamc@136 1506 else if (c == '&')
adamc@311 1507 uw_write_unsafe(ctx, "&amp;");
adamc@106 1508 else if (isprint(c))
adamc@311 1509 uw_writec_unsafe(ctx, c);
adamc@106 1510 else {
adamc@311 1511 uw_write_unsafe(ctx, "&#");
adamc@311 1512 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311 1513 uw_writec_unsafe(ctx, ';');
adamc@106 1514 }
adamc@106 1515 }
adamc@428 1516
adamc@428 1517 return uw_unit_v;
adamc@106 1518 }
adamc@120 1519
adamc@1011 1520 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011 1521 uw_check(ctx, 6);
adamc@1011 1522
adamc@1011 1523 if (c == '"')
adamc@1011 1524 uw_write_unsafe(ctx, "&quot;");
adamc@1011 1525 else if (c == '&')
adamc@1011 1526 uw_write_unsafe(ctx, "&amp;");
adamc@1011 1527 else if (isprint(c))
adamc@1011 1528 uw_writec_unsafe(ctx, c);
adamc@1011 1529 else {
adamc@1011 1530 uw_write_unsafe(ctx, "&#");
adamc@1011 1531 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@1011 1532 uw_writec_unsafe(ctx, ';');
adamc@1011 1533 }
adamc@1011 1534
adamc@1011 1535 return uw_unit_v;
adamc@1011 1536 }
adamc@1011 1537
adamc@120 1538
adamc@311 1539 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137 1540 int len;
adamc@137 1541 char *r;
adamc@137 1542
adamc@311 1543 uw_check_heap(ctx, INTS_MAX);
adamc@666 1544 r = ctx->heap.front;
adamc@276 1545 sprintf(r, "%lld%n", n, &len);
adamc@666 1546 ctx->heap.front += len+1;
adamc@137 1547 return r;
adamc@120 1548 }
adamc@120 1549
adamc@682 1550 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1551 if (ctx->client == NULL || chn.cli != ctx->client->id)
adamc@682 1552 return "";
adamc@682 1553 else {
adamc@682 1554 int len;
adamc@682 1555 char *r;
adamc@679 1556
adamc@682 1557 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 1558 r = ctx->heap.front;
adamc@682 1559 sprintf(r, "%u%n", chn.chn, &len);
adamc@682 1560 ctx->heap.front += len+1;
adamc@682 1561 return r;
adamc@682 1562 }
adamc@679 1563 }
adamc@679 1564
adamc@311 1565 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137 1566 int len;
adamc@137 1567 char *r;
adamc@137 1568
adamc@311 1569 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1570 r = ctx->heap.front;
adamc@137 1571 sprintf(r, "%g%n", n, &len);
adamc@666 1572 ctx->heap.front += len+1;
adamc@137 1573 return r;
adamc@120 1574 }
adamc@120 1575
adamc@311 1576 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1577 char *r, *p;
adamc@137 1578
adamc@925 1579 if (s[0] == '\0')
adamc@925 1580 return "_";
adamc@925 1581
adamc@925 1582 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925 1583
adamc@925 1584 r = p = ctx->heap.front;
adamc@925 1585 if (s[0] == '_')
adamc@925 1586 *p++ = '_';
adamc@925 1587
adamc@925 1588 for (; *s; s++) {
adamc@137 1589 char c = *s;
adamc@137 1590
adamc@137 1591 if (c == ' ')
adamc@137 1592 *p++ = '+';
adamc@137 1593 else if (isalnum(c))
adamc@137 1594 *p++ = c;
adamc@137 1595 else {
adamc@137 1596 sprintf(p, "%%%02X", c);
adamc@137 1597 p += 3;
adamc@137 1598 }
adamc@137 1599 }
adamc@137 1600
adamc@137 1601 *p++ = 0;
adamc@666 1602 ctx->heap.front = p;
adamc@137 1603 return r;
adamc@120 1604 }
adamc@120 1605
adamc@311 1606 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1607 if (b == uw_Basis_False)
adamc@186 1608 return "0";
adamc@186 1609 else
adamc@186 1610 return "1";
adamc@186 1611 }
adamc@186 1612
adamc@311 1613 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120 1614 int len;
adamc@120 1615
adamc@666 1616 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1617 ctx->page.front += len;
adamc@120 1618 }
adamc@120 1619
adamc@428 1620 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311 1621 uw_check(ctx, INTS_MAX);
adamc@311 1622 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428 1623
adamc@428 1624 return uw_unit_v;
adamc@120 1625 }
adamc@120 1626
adamc@682 1627 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682 1628 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682 1629 int len;
adamc@682 1630
adamc@682 1631 uw_check(ctx, INTS_MAX + 1);
adamc@682 1632 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682 1633 ctx->page.front += len;
adamc@682 1634 }
adamc@682 1635
adamc@679 1636 return uw_unit_v;
adamc@679 1637 }
adamc@679 1638
adamc@428 1639 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120 1640 int len;
adamc@120 1641
adamc@311 1642 uw_check(ctx, FLOATS_MAX);
adamc@666 1643 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1644 ctx->page.front += len;
adamc@428 1645
adamc@428 1646 return uw_unit_v;
adamc@120 1647 }
adamc@120 1648
adamc@488 1649 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488 1650 return uw_Basis_urlifyInt(ctx, t);
adamc@488 1651 }
adamc@488 1652
adamc@428 1653 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925 1654 if (s[0] == '\0') {
adamc@925 1655 uw_check(ctx, 1);
adamc@925 1656 uw_writec_unsafe(ctx, '_');
adamc@925 1657 return uw_unit_v;
adamc@925 1658 }
adamc@925 1659
adamc@925 1660 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925 1661
adamc@925 1662 if (s[0] == '_')
adamc@925 1663 uw_writec_unsafe(ctx, '_');
adamc@120 1664
adamc@120 1665 for (; *s; s++) {
adamc@120 1666 char c = *s;
adamc@120 1667
adamc@120 1668 if (c == ' ')
adamc@311 1669 uw_writec_unsafe(ctx, '+');
adamc@120 1670 else if (isalnum(c))
adamc@311 1671 uw_writec_unsafe(ctx, c);
adamc@120 1672 else {
adamc@666 1673 sprintf(ctx->page.front, "%%%02X", c);
adamc@666 1674 ctx->page.front += 3;
adamc@120 1675 }
adamc@120 1676 }
adamc@428 1677
adamc@428 1678 return uw_unit_v;
adamc@120 1679 }
adamc@120 1680
adamc@428 1681 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1682 if (b == uw_Basis_False)
adamc@311 1683 uw_writec(ctx, '0');
adamc@186 1684 else
adamc@311 1685 uw_writec(ctx, '1');
adamc@428 1686
adamc@428 1687 return uw_unit_v;
adamc@186 1688 }
adamc@186 1689
adamc@120 1690
adamc@311 1691 static char *uw_unurlify_advance(char *s) {
adamc@144 1692 char *new_s = strchr(s, '/');
adamc@120 1693
adamc@120 1694 if (new_s)
adamc@120 1695 *new_s++ = 0;
adamc@120 1696 else
adamc@144 1697 new_s = strchr(s, 0);
adamc@144 1698
adamc@144 1699 return new_s;
adamc@144 1700 }
adamc@144 1701
adamc@311 1702 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311 1703 char *new_s = uw_unurlify_advance(*s);
adamc@311 1704 uw_Basis_int r;
adamc@120 1705
adamc@276 1706 r = atoll(*s);
adamc@120 1707 *s = new_s;
adamc@120 1708 return r;
adamc@120 1709 }
adamc@120 1710
adamc@311 1711 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311 1712 char *new_s = uw_unurlify_advance(*s);
adamc@311 1713 uw_Basis_float r;
adamc@120 1714
adamc@120 1715 r = atof(*s);
adamc@120 1716 *s = new_s;
adamc@120 1717 return r;
adamc@120 1718 }
adamc@120 1719
adamc@488 1720 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488 1721 return uw_Basis_unurlifyInt(ctx, s);
adamc@488 1722 }
adamc@488 1723
adamc@1023 1724 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char *r, char *s) {
adamc@927 1725 char *s1, *s2 = s;
adamc@144 1726 int n;
adamc@136 1727
adamc@1023 1728 if (!fromClient) {
adamc@1023 1729 if (*s2 == '_')
adamc@1023 1730 ++s2;
adamc@1023 1731 else if (s2[0] == '%' && s2[1] == '5' && (s2[2] == 'f' || s2[2] == 'F'))
adamc@1023 1732 s2 += 3;
adamc@1023 1733 }
adamc@925 1734
adamc@927 1735 for (s1 = r; *s2; ++s1, ++s2) {
adamc@136 1736 char c = *s2;
adamc@136 1737
adamc@136 1738 switch (c) {
adamc@136 1739 case '+':
adamc@136 1740 *s1 = ' ';
adamc@136 1741 break;
adamc@136 1742 case '%':
adamc@169 1743 if (s2[1] == 0)
adamc@311 1744 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169 1745 if (s2[2] == 0)
adamc@311 1746 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169 1747 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311 1748 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136 1749 *s1 = n;
adamc@136 1750 s2 += 2;
adamc@136 1751 break;
adamc@136 1752 default:
adamc@136 1753 *s1 = c;
adamc@136 1754 }
adamc@136 1755 }
adamc@136 1756 *s1++ = 0;
adamc@144 1757 return s1;
adamc@144 1758 }
adamc@144 1759
adamc@311 1760 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311 1761 char *new_s = uw_unurlify_advance(*s);
adamc@311 1762 uw_Basis_bool r;
adamc@186 1763
adamc@186 1764 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
adamc@311 1765 r = uw_Basis_False;
adamc@186 1766 else
adamc@311 1767 r = uw_Basis_True;
adamc@186 1768
adamc@186 1769 *s = new_s;
adamc@186 1770 return r;
adamc@186 1771 }
adamc@186 1772
adamc@311 1773 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311 1774 char *new_s = uw_unurlify_advance(*s);
adamc@144 1775 char *r, *s1, *s2;
adamc@144 1776 int len, n;
adamc@144 1777
adamc@200 1778 len = strlen(*s);
adamc@311 1779 uw_check_heap(ctx, len + 1);
adamc@144 1780
adamc@666 1781 r = ctx->heap.front;
adamc@1023 1782 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023 1783 *s = new_s;
adamc@1023 1784 return r;
adamc@1023 1785 }
adamc@1023 1786
adamc@1023 1787 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023 1788 char *new_s = uw_unurlify_advance(*s);
adamc@1023 1789 char *r, *s1, *s2;
adamc@1023 1790 int len, n;
adamc@1023 1791
adamc@1023 1792 len = strlen(*s);
adamc@1023 1793 uw_check_heap(ctx, len + 1);
adamc@1023 1794
adamc@1023 1795 r = ctx->heap.front;
adamc@1023 1796 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136 1797 *s = new_s;
adamc@136 1798 return r;
adamc@120 1799 }
adamc@135 1800
adamc@135 1801
adamc@311 1802 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286 1803 int len;
adamc@286 1804 char *r;
adamc@286 1805
adamc@311 1806 uw_check_heap(ctx, INTS_MAX);
adamc@666 1807 r = ctx->heap.front;
adamc@286 1808 sprintf(r, "%lld%n", n, &len);
adamc@666 1809 ctx->heap.front += len+1;
adamc@286 1810 return r;
adamc@286 1811 }
adamc@286 1812
adamc@428 1813 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286 1814 int len;
adamc@286 1815
adamc@311 1816 uw_check(ctx, INTS_MAX);
adamc@666 1817 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666 1818 ctx->page.front += len;
adamc@428 1819
adamc@428 1820 return uw_unit_v;
adamc@286 1821 }
adamc@286 1822
adamc@311 1823 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286 1824 int len;
adamc@286 1825 char *r;
adamc@286 1826
adamc@311 1827 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 1828 r = ctx->heap.front;
adamc@286 1829 sprintf(r, "%g%n", n, &len);
adamc@666 1830 ctx->heap.front += len+1;
adamc@286 1831 return r;
adamc@286 1832 }
adamc@286 1833
adamc@428 1834 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286 1835 int len;
adamc@286 1836
adamc@311 1837 uw_check(ctx, FLOATS_MAX);
adamc@666 1838 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666 1839 ctx->page.front += len;
adamc@428 1840
adamc@428 1841 return uw_unit_v;
adamc@286 1842 }
adamc@286 1843
adamc@311 1844 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137 1845 char *r, *s2;
adamc@137 1846
adamc@311 1847 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137 1848
adamc@666 1849 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@137 1850 char c = *s;
adamc@137 1851
adamc@137 1852 switch (c) {
adamc@137 1853 case '<':
adamc@137 1854 strcpy(s2, "&lt;");
adamc@137 1855 s2 += 4;
adamc@137 1856 break;
adamc@137 1857 case '&':
adamc@137 1858 strcpy(s2, "&amp;");
adamc@137 1859 s2 += 5;
adamc@137 1860 break;
adamc@137 1861 default:
adamc@137 1862 if (isprint(c))
adamc@137 1863 *s2++ = c;
adamc@137 1864 else {
adamc@137 1865 int len2;
adamc@137 1866 sprintf(s2, "&#%d;%n", c, &len2);
adamc@137 1867 s2 += len2;
adamc@137 1868 }
adamc@137 1869 }
adamc@137 1870 }
adamc@137 1871
adamc@137 1872 *s2++ = 0;
adamc@666 1873 ctx->heap.front = s2;
adamc@137 1874 return r;
adamc@135 1875 }
adamc@135 1876
adamc@428 1877 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321 1878 uw_check(ctx, strlen(s) * 6);
adamc@135 1879
adamc@135 1880 for (; *s; s++) {
adamc@135 1881 char c = *s;
adamc@135 1882
adamc@135 1883 switch (c) {
adamc@135 1884 case '<':
adamc@311 1885 uw_write_unsafe(ctx, "&lt;");
adamc@135 1886 break;
adamc@135 1887 case '&':
adamc@311 1888 uw_write_unsafe(ctx, "&amp;");
adamc@135 1889 break;
adamc@135 1890 default:
adamc@135 1891 if (isprint(c))
adamc@311 1892 uw_writec_unsafe(ctx, c);
adamc@135 1893 else {
adamc@311 1894 uw_write_unsafe(ctx, "&#");
adamc@311 1895 uw_Basis_attrifyInt_w_unsafe(ctx, c);
adamc@311 1896 uw_writec_unsafe(ctx, ';');
adamc@135 1897 }
adamc@135 1898 }
adamc@135 1899 }
adamc@428 1900
adamc@428 1901 return uw_unit_v;
adamc@135 1902 }
adamc@180 1903
adamc@311 1904 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 1905 if (b == uw_Basis_False)
adamc@286 1906 return "False";
adamc@286 1907 else
adamc@286 1908 return "True";
adamc@286 1909 }
adamc@286 1910
adamc@428 1911 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311 1912 if (b == uw_Basis_False) {
adamc@311 1913 uw_check(ctx, 6);
adamc@666 1914 strcpy(ctx->page.front, "False");
adamc@666 1915 ctx->page.front += 5;
adamc@286 1916 } else {
adamc@311 1917 uw_check(ctx, 5);
adamc@666 1918 strcpy(ctx->page.front, "True");
adamc@666 1919 ctx->page.front += 4;
adamc@286 1920 }
adamc@428 1921
adamc@428 1922 return uw_unit_v;
adamc@286 1923 }
adamc@286 1924
adamc@436 1925 #define TIME_FMT "%x %X"
adamc@438 1926 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436 1927
adamc@436 1928 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436 1929 size_t len;
adamc@436 1930 char *r;
adamc@436 1931 struct tm stm;
adamc@436 1932
adamc@436 1933 if (localtime_r(&t, &stm)) {
adamc@436 1934 uw_check_heap(ctx, TIMES_MAX);
adamc@666 1935 r = ctx->heap.front;
adamc@436 1936 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1937 ctx->heap.front += len+1;
adamc@436 1938 return r;
adamc@436 1939 } else
adamc@436 1940 return "<i>Invalid time</i>";
adamc@436 1941 }
adamc@436 1942
adamc@436 1943 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436 1944 size_t len;
adamc@436 1945 char *r;
adamc@436 1946 struct tm stm;
adamc@436 1947
adamc@436 1948 if (localtime_r(&t, &stm)) {
adamc@436 1949 uw_check(ctx, TIMES_MAX);
adamc@666 1950 r = ctx->page.front;
adamc@436 1951 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 1952 ctx->page.front += len;
adamc@436 1953 } else {
adamc@436 1954 uw_check(ctx, 20);
adamc@666 1955 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666 1956 ctx->page.front += 19;
adamc@436 1957 }
adamc@436 1958
adamc@436 1959 return uw_unit_v;
adamc@436 1960 }
adamc@436 1961
adamc@821 1962 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 1963 if (n >= 0 && n < strlen(s))
adamc@821 1964 return s[n];
adamc@821 1965 else
adamc@821 1966 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821 1967 }
adamc@821 1968
adamc@821 1969 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821 1970 if (n >= 0 && n < strlen(s))
adamc@821 1971 return &s[n];
adamc@821 1972 else
adamc@821 1973 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821 1974 }
adamc@821 1975
adamc@828 1976 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828 1977 return strlen(s);
adamc@828 1978 }
adamc@828 1979
adamc@829 1980 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 1981 return strchr(s, ch);
adamc@829 1982 }
adamc@829 1983
adamc@831 1984 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831 1985 return strcspn(s, chs);
adamc@831 1986 }
adamc@831 1987
adamc@829 1988 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829 1989 uw_Basis_string r = strchr(s, ch);
adamc@829 1990 if (r == NULL)
adamc@829 1991 return NULL;
adamc@829 1992 else {
adamc@829 1993 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829 1994 *nr = r - s;
adamc@829 1995 return nr;
adamc@829 1996 }
adamc@829 1997 }
adamc@829 1998
adamc@311 1999 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828 2000 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180 2001 char *s;
adamc@180 2002
adamc@311 2003 uw_check_heap(ctx, len);
adamc@180 2004
adamc@666 2005 s = ctx->heap.front;
adamc@180 2006
adamc@180 2007 strcpy(s, s1);
adamc@180 2008 strcat(s, s2);
adamc@666 2009 ctx->heap.front += len;
adamc@180 2010
adamc@180 2011 return s;
adamc@180 2012 }
adamc@278 2013
adamc@829 2014 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829 2015 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829 2016
adamc@829 2017 if (start < 0)
adamc@829 2018 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829 2019 if (len < 0)
adamc@829 2020 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829 2021 if (start + len > full_len)
adamc@829 2022 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829 2023
adamc@829 2024 if (start + len == full_len)
adamc@829 2025 return &s[start];
adamc@829 2026 else {
adamc@829 2027 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959 2028 memcpy(r, s+start, len);
adamc@829 2029 r[len] = 0;
adamc@829 2030 return r;
adamc@829 2031 }
adamc@829 2032
adamc@829 2033 }
adamc@829 2034
adamc@1023 2035 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023 2036 char *r;
adamc@1023 2037
adamc@1023 2038 uw_check_heap(ctx, 2);
adamc@1023 2039 r = ctx->heap.front;
adamc@1023 2040 r[0] = ch;
adamc@1023 2041 r[1] = 0;
adamc@1023 2042
adamc@1023 2043 ctx->heap.front += 2;
adamc@1023 2044
adamc@1023 2045 return r;
adamc@1023 2046 }
adamc@1023 2047
adamc@737 2048 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828 2049 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278 2050 char *s;
adamc@278 2051
adamc@311 2052 uw_check_heap(ctx, len);
adamc@278 2053
adamc@666 2054 s = ctx->heap.front;
adamc@278 2055
adamc@278 2056 strcpy(s, s1);
adamc@666 2057 ctx->heap.front += len;
adamc@278 2058
adamc@278 2059 return s;
adamc@278 2060 }
adamc@280 2061
adamc@737 2062 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493 2063 if (s1)
adamc@737 2064 return uw_strdup(ctx, s1);
adamc@493 2065 else
adamc@493 2066 return NULL;
adamc@493 2067 }
adamc@493 2068
adamc@742 2069 char *uw_memdup(uw_context ctx, const char *p, size_t len) {
adamc@742 2070 char *r = uw_malloc(ctx, len);
adamc@742 2071 memcpy(r, p, len);
adamc@742 2072 return r;
adamc@742 2073 }
adamc@280 2074
adamc@879 2075 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879 2076
adamc@311 2077 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281 2078 int len;
adamc@281 2079 char *r;
adamc@281 2080
adamc@311 2081 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666 2082 r = ctx->heap.front;
adamc@879 2083 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666 2084 ctx->heap.front += len+1;
adamc@281 2085 return r;
adamc@281 2086 }
adamc@281 2087
adamc@467 2088 char *uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int *n) {
adamc@467 2089 if (n == NULL)
adamc@467 2090 return "NULL";
adamc@467 2091 else
adamc@467 2092 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467 2093 }
adamc@467 2094
adamc@879 2095 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879 2096
adamc@311 2097 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281 2098 int len;
adamc@281 2099 char *r;
adamc@281 2100
adamc@311 2101 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666 2102 r = ctx->heap.front;
adamc@879 2103 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666 2104 ctx->heap.front += len+1;
adamc@281 2105 return r;
adamc@281 2106 }
adamc@281 2107
adamc@467 2108 char *uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float *n) {
adamc@467 2109 if (n == NULL)
adamc@467 2110 return "NULL";
adamc@467 2111 else
adamc@467 2112 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467 2113 }
adamc@467 2114
adamc@879 2115 int uw_Estrings = 1;
adamc@879 2116 char *uw_sqlsuffixString = "::text";
adamc@1011 2117 char *uw_sqlsuffixChar = "::char";
adamc@281 2118
adamc@311 2119 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280 2120 char *r, *s2;
adamc@280 2121
adamc@879 2122 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280 2123
adamc@666 2124 r = s2 = ctx->heap.front;
adamc@879 2125 if (uw_Estrings)
adamc@879 2126 *s2++ = 'E';
adamc@280 2127 *s2++ = '\'';
adamc@280 2128
adamc@280 2129 for (; *s; s++) {
adamc@280 2130 char c = *s;
adamc@280 2131
adamc@280 2132 switch (c) {
adamc@280 2133 case '\'':
adamc@885 2134 if (uw_Estrings)
adamc@885 2135 strcpy(s2, "\\'");
adamc@885 2136 else
adamc@885 2137 strcpy(s2, "''");
adamc@280 2138 s2 += 2;
adamc@280 2139 break;
adamc@280 2140 case '\\':
adamc@885 2141 if (uw_Estrings) {
adamc@885 2142 strcpy(s2, "\\\\");
adamc@885 2143 s2 += 2;
adamc@885 2144 } else
adamc@885 2145 *s2++ = '\\';
adamc@280 2146 break;
adamc@280 2147 default:
adamc@280 2148 if (isprint(c))
adamc@280 2149 *s2++ = c;
adamc@879 2150 else if (uw_Estrings) {
adamc@737 2151 sprintf(s2, "\\%03o", c);
adamc@280 2152 s2 += 4;
adamc@280 2153 }
adamc@879 2154 else
adamc@879 2155 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280 2156 }
adamc@280 2157 }
adamc@280 2158
adamc@879 2159 *s2++ = '\'';
adamc@879 2160 strcpy(s2, uw_sqlsuffixString);
adamc@879 2161 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280 2162 return r;
adamc@280 2163 }
adamc@281 2164
adamc@1011 2165 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011 2166 char *r, *s2;
adamc@1011 2167
adamc@1011 2168 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011 2169
adamc@1011 2170 r = s2 = ctx->heap.front;
adamc@1011 2171 if (uw_Estrings)
adamc@1011 2172 *s2++ = 'E';
adamc@1011 2173 *s2++ = '\'';
adamc@1011 2174
adamc@1011 2175 switch (c) {
adamc@1011 2176 case '\'':
adamc@1011 2177 if (uw_Estrings)
adamc@1011 2178 strcpy(s2, "\\'");
adamc@1011 2179 else
adamc@1011 2180 strcpy(s2, "''");
adamc@1011 2181 s2 += 2;
adamc@1011 2182 break;
adamc@1011 2183 case '\\':
adamc@1011 2184 if (uw_Estrings) {
adamc@1011 2185 strcpy(s2, "\\\\");
adamc@1011 2186 s2 += 2;
adamc@1011 2187 } else
adamc@1011 2188 *s2++ = '\\';
adamc@1011 2189 break;
adamc@1011 2190 default:
adamc@1011 2191 if (isprint(c))
adamc@1011 2192 *s2++ = c;
adamc@1011 2193 else if (uw_Estrings) {
adamc@1011 2194 sprintf(s2, "\\%03o", c);
adamc@1011 2195 s2 += 4;
adamc@1011 2196 }
adamc@1011 2197 else
adamc@1011 2198 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011 2199 }
adamc@1011 2200
adamc@1011 2201 *s2++ = '\'';
adamc@1011 2202 strcpy(s2, uw_sqlsuffixChar);
adamc@1011 2203 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011 2204 return r;
adamc@1011 2205 }
adamc@1011 2206
adamc@879 2207 char *uw_sqlsuffixBlob = "::bytea";
adamc@879 2208
adamc@737 2209 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737 2210 char *r, *s2;
adamc@737 2211 size_t i;
adamc@737 2212
adamc@879 2213 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737 2214
adamc@737 2215 r = s2 = ctx->heap.front;
adamc@879 2216 if (uw_Estrings)
adamc@879 2217 *s2++ = 'E';
adamc@737 2218 *s2++ = '\'';
adamc@737 2219
adamc@737 2220 for (i = 0; i < b.size; ++i) {
adamc@737 2221 char c = b.data[i];
adamc@737 2222
adamc@737 2223 switch (c) {
adamc@737 2224 case '\'':
adamc@885 2225 if (uw_Estrings)
adamc@885 2226 strcpy(s2, "\\'");
adamc@885 2227 else
adamc@885 2228 strcpy(s2, "''");
adamc@737 2229 s2 += 2;
adamc@737 2230 break;
adamc@737 2231 case '\\':
adamc@885 2232 if (uw_Estrings) {
adamc@885 2233 strcpy(s2, "\\\\\\\\");
adamc@885 2234 s2 += 4;
adamc@885 2235 } else
adamc@885 2236 *s2++ = '\\';
adamc@737 2237 break;
adamc@737 2238 default:
adamc@737 2239 if (isprint(c))
adamc@737 2240 *s2++ = c;
adamc@879 2241 else if (uw_Estrings) {
adamc@737 2242 sprintf(s2, "\\\\%03o", c);
adamc@737 2243 s2 += 5;
adamc@737 2244 }
adamc@879 2245 else
adamc@879 2246 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737 2247 }
adamc@737 2248 }
adamc@737 2249
adamc@879 2250 *s2++ = '\'';
adamc@879 2251 strcpy(s2, uw_sqlsuffixBlob);
adamc@879 2252 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737 2253 return r;
adamc@737 2254 }
adamc@737 2255
adamc@682 2256 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2257 int len;
adamc@682 2258 char *r;
adamc@682 2259 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2260
adamc@682 2261 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2262 r = ctx->heap.front;
adamc@879 2263 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682 2264 ctx->heap.front += len+1;
adamc@682 2265 return r;
adamc@682 2266 }
adamc@682 2267
adamc@682 2268 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682 2269 int len;
adamc@682 2270 char *r;
adamc@682 2271 unsigned long long combo = ((unsigned long long)chn.cli << 32) | chn.chn;
adamc@682 2272
adamc@682 2273 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2274 r = ctx->heap.front;
adamc@682 2275 sprintf(r, "%lld%n", combo, &len);
adamc@682 2276 ctx->heap.front += len+1;
adamc@682 2277 return r;
adamc@682 2278 }
adamc@682 2279
adamc@879 2280 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879 2281
adamc@682 2282 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2283 int len;
adamc@682 2284 char *r;
adamc@682 2285
adamc@682 2286 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682 2287 r = ctx->heap.front;
adamc@879 2288 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682 2289 ctx->heap.front += len+1;
adamc@682 2290 return r;
adamc@682 2291 }
adamc@682 2292
adamc@682 2293 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682 2294 int len;
adamc@682 2295 char *r;
adamc@682 2296
adamc@682 2297 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682 2298 r = ctx->heap.front;
adamc@682 2299 sprintf(r, "%u%n", cli, &len);
adamc@682 2300 ctx->heap.front += len+1;
adamc@682 2301 return r;
adamc@682 2302 }
adamc@682 2303
adamc@467 2304 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467 2305 if (s == NULL)
adamc@467 2306 return "NULL";
adamc@467 2307 else
adamc@467 2308 return uw_Basis_sqlifyString(ctx, s);
adamc@467 2309 }
adamc@467 2310
adamc@311 2311 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311 2312 if (b == uw_Basis_False)
adamc@281 2313 return "FALSE";
adamc@281 2314 else
adamc@281 2315 return "TRUE";
adamc@281 2316 }
adamc@282 2317
adamc@467 2318 char *uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool *b) {
adamc@467 2319 if (b == NULL)
adamc@467 2320 return "NULL";
adamc@467 2321 else
adamc@467 2322 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467 2323 }
adamc@467 2324
adamc@439 2325 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439 2326 size_t len;
adamc@682 2327 char *r, *s;
adamc@682 2328 struct tm stm;
adamc@682 2329
adamc@682 2330 if (localtime_r(&t, &stm)) {
adamc@682 2331 s = uw_malloc(ctx, TIMES_MAX);
adamc@995 2332 --stm.tm_hour;
adamc@682 2333 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
adamc@682 2334 r = uw_malloc(ctx, len + 14);
adamc@682 2335 sprintf(r, "'%s'::timestamp", s);
adamc@682 2336 return r;
adamc@682 2337 } else
adamc@682 2338 return "<Invalid time>";
adamc@682 2339 }
adamc@682 2340
adamc@682 2341 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682 2342 size_t len;
adamc@439 2343 char *r;
adamc@439 2344 struct tm stm;
adamc@439 2345
adamc@439 2346 if (localtime_r(&t, &stm)) {
adamc@439 2347 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2348 r = ctx->heap.front;
adamc@439 2349 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2350 ctx->heap.front += len+1;
adamc@439 2351 return r;
adamc@439 2352 } else
adamc@439 2353 return "<Invalid time>";
adamc@439 2354 }
adamc@439 2355
adamc@467 2356 char *uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time *t) {
adamc@467 2357 if (t == NULL)
adamc@467 2358 return "NULL";
adamc@467 2359 else
adamc@467 2360 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467 2361 }
adamc@467 2362
adamc@311 2363 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311 2364 static uw_Basis_int true = 1;
adamc@311 2365 static uw_Basis_int false = 0;
adamc@282 2366
adamc@311 2367 if (b == uw_Basis_False)
adamc@282 2368 return (char *)&false;
adamc@282 2369 else
adamc@282 2370 return (char *)&true;
adamc@282 2371 }
adamc@284 2372
adamc@311 2373 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284 2374 int len;
adamc@284 2375 char *r;
adamc@284 2376
adamc@311 2377 uw_check_heap(ctx, INTS_MAX);
adamc@666 2378 r = ctx->heap.front;
adamc@284 2379 sprintf(r, "%lld%n", n, &len);
adamc@666 2380 ctx->heap.front += len+1;
adamc@284 2381 return r;
adamc@284 2382 }
adamc@285 2383
adamc@311 2384 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285 2385 int len;
adamc@285 2386 char *r;
adamc@285 2387
adamc@311 2388 uw_check_heap(ctx, FLOATS_MAX);
adamc@666 2389 r = ctx->heap.front;
adamc@285 2390 sprintf(r, "%g%n", n, &len);
adamc@666 2391 ctx->heap.front += len+1;
adamc@285 2392 return r;
adamc@285 2393 }
adamc@285 2394
adamc@821 2395 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821 2396 char *r = uw_malloc(ctx, 2);
adamc@821 2397 r[0] = ch;
adamc@821 2398 r[1] = 0;
adamc@821 2399 return r;
adamc@821 2400 }
adamc@821 2401
adamc@311 2402 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311 2403 if (b == uw_Basis_False)
adamc@285 2404 return "False";
adamc@285 2405 else
adamc@285 2406 return "True";
adamc@285 2407 }
adamc@288 2408
adamc@436 2409 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436 2410 size_t len;
adamc@436 2411 char *r;
adamc@436 2412 struct tm stm;
adamc@436 2413
adamc@436 2414 if (localtime_r(&t, &stm)) {
adamc@436 2415 uw_check_heap(ctx, TIMES_MAX);
adamc@666 2416 r = ctx->heap.front;
adamc@436 2417 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666 2418 ctx->heap.front += len+1;
adamc@436 2419 return r;
adamc@436 2420 } else
adamc@436 2421 return "<Invalid time>";
adamc@436 2422 }
adamc@288 2423
adamc@311 2424 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288 2425 char *endptr;
adamc@311 2426 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288 2427
adamc@288 2428 if (*s != '\0' && *endptr == '\0') {
adamc@311 2429 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288 2430 *r = n;
adamc@288 2431 return r;
adamc@288 2432 } else
adamc@288 2433 return NULL;
adamc@288 2434 }
adamc@289 2435
adamc@311 2436 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289 2437 char *endptr;
adamc@311 2438 uw_Basis_float n = strtod(s, &endptr);
adamc@289 2439
adamc@289 2440 if (*s != '\0' && *endptr == '\0') {
adamc@311 2441 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289 2442 *r = n;
adamc@289 2443 return r;
adamc@289 2444 } else
adamc@289 2445 return NULL;
adamc@289 2446 }
adamc@289 2447
adamc@821 2448 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821 2449 if (s[0] == 0) {
adamc@821 2450 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2451 r[0] = 0;
adamc@821 2452 return r;
adamc@821 2453 } else if (s[1] != 0)
adamc@821 2454 return NULL;
adamc@821 2455 else {
adamc@821 2456 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821 2457 r[0] = s[0];
adamc@821 2458 return r;
adamc@821 2459 }
adamc@821 2460 }
adamc@821 2461
adamc@311 2462 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311 2463 static uw_Basis_bool true = uw_Basis_True;
adamc@311 2464 static uw_Basis_bool false = uw_Basis_False;
adamc@289 2465
adamc@289 2466 if (!strcasecmp (s, "True"))
adamc@289 2467 return &true;
adamc@289 2468 else if (!strcasecmp (s, "False"))
adamc@289 2469 return &false;
adamc@289 2470 else
adamc@289 2471 return NULL;
adamc@289 2472 }
adamc@292 2473
adamc@436 2474 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438 2475 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2476 struct tm stm;
adamc@436 2477
adamc@439 2478 if (dot) {
adamc@439 2479 *dot = 0;
adamc@439 2480 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2481 *dot = '.';
adamc@439 2482 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2483 *r = mktime(&stm);
adamc@439 2484 return r;
adamc@439 2485 }
adamc@439 2486 else {
adamc@439 2487 *dot = '.';
adamc@439 2488 return NULL;
adamc@439 2489 }
adamc@436 2490 }
adamc@439 2491 else {
adamc@439 2492 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439 2493 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2494 *r = mktime(&stm);
adamc@439 2495 return r;
adamc@439 2496 }
adamc@439 2497 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439 2498 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439 2499 *r = mktime(&stm);
adamc@439 2500 return r;
adamc@439 2501 }
adamc@439 2502 else
adamc@439 2503 return NULL;
adamc@439 2504 }
adamc@436 2505 }
adamc@436 2506
adamc@311 2507 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292 2508 char *endptr;
adamc@311 2509 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292 2510
adamc@292 2511 if (*s != '\0' && *endptr == '\0')
adamc@292 2512 return n;
adamc@292 2513 else
adamc@311 2514 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292 2515 }
adamc@293 2516
adamc@682 2517 #include <errno.h>
adamc@682 2518
adamc@678 2519 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682 2520 unsigned long long n;
adamc@682 2521
adamc@682 2522 if (sscanf(s, "%llu", &n) < 1)
adamc@682 2523 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682 2524 else {
adamc@682 2525 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682 2526 return ch;
adamc@682 2527 }
adamc@682 2528 }
adamc@682 2529
adamc@682 2530 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678 2531 char *endptr;
adamc@682 2532 unsigned long n = strtoul(s, &endptr, 10);
adamc@678 2533
adamc@678 2534 if (*s != '\0' && *endptr == '\0')
adamc@678 2535 return n;
adamc@678 2536 else
adamc@682 2537 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678 2538 }
adamc@678 2539
adamc@311 2540 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293 2541 char *endptr;
adamc@311 2542 uw_Basis_float n = strtod(s, &endptr);
adamc@293 2543
adamc@293 2544 if (*s != '\0' && *endptr == '\0')
adamc@293 2545 return n;
adamc@293 2546 else
adamc@311 2547 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293 2548 }
adamc@293 2549
adamc@821 2550 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821 2551 if (s[0] == 0)
adamc@821 2552 return 0;
adamc@821 2553 else if (s[1] != 0)
adamc@821 2554 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821 2555 else
adamc@821 2556 return s[0];
adamc@821 2557 }
adamc@821 2558
adamc@311 2559 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296 2560 if (!strcasecmp(s, "T") || !strcasecmp (s, "True"))
adamc@311 2561 return uw_Basis_True;
adamc@296 2562 else if (!strcasecmp(s, "F") || !strcasecmp (s, "False"))
adamc@311 2563 return uw_Basis_False;
adamc@293 2564 else
adamc@311 2565 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293 2566 }
adamc@436 2567
adamc@436 2568 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438 2569 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@436 2570 struct tm stm = {};
adamc@436 2571
adamc@438 2572 if (dot) {
adamc@438 2573 *dot = 0;
adamc@438 2574 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438 2575 *dot = '.';
adamc@438 2576 return mktime(&stm);
adamc@438 2577 }
adamc@438 2578 else {
adamc@438 2579 *dot = '.';
adamc@438 2580 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2581 }
adamc@438 2582 }
adamc@438 2583 else {
adamc@439 2584 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439 2585 return mktime(&stm);
adamc@439 2586 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438 2587 return mktime(&stm);
adamc@438 2588 else
adamc@438 2589 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438 2590 }
adamc@436 2591 }
adamc@457 2592
adamc@939 2593 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adamc@939 2594 char *dot = strchr(s, '.'), *end = strchr(s, 0);
adamc@939 2595 struct tm stm = {};
adamc@939 2596
adamc@939 2597 if (dot) {
adamc@939 2598 *dot = 0;
adamc@939 2599 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@939 2600 *dot = '.';
adamc@939 2601 return mktime(&stm);
adamc@939 2602 }
adamc@939 2603 else {
adamc@939 2604 *dot = '.';
adamc@939 2605 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2606 }
adamc@939 2607 }
adamc@939 2608 else {
adamc@939 2609 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@939 2610 return mktime(&stm);
adamc@939 2611 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@939 2612 return mktime(&stm);
adamc@939 2613 } else
adamc@939 2614 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939 2615 }
adamc@939 2616 }
adamc@939 2617
adamc@742 2618 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742 2619 char *r = ctx->heap.front;
adamc@742 2620 uw_Basis_blob b = {len, r};
adamc@742 2621
adamc@742 2622 uw_check_heap(ctx, len);
adamc@742 2623
adamc@742 2624 while (*s) {
adamc@742 2625 if (s[0] == '\\') {
adamc@742 2626 if (s[1] == '\\') {
adamc@742 2627 *r++ = '\\';
adamc@742 2628 s += 2;
adamc@742 2629 } else if (isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])) {
adamc@742 2630 *r++ = (s[1] - '0') * 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742 2631 s += 4;
adamc@742 2632 }
adamc@742 2633 else {
adamc@742 2634 *r++ = '\\';
adamc@742 2635 ++s;
adamc@742 2636 }
adamc@742 2637 } else {
adamc@742 2638 *r++ = s[0];
adamc@742 2639 ++s;
adamc@742 2640 }
adamc@742 2641 }
adamc@742 2642
adamc@742 2643 b.size = r - ctx->heap.front;
adamc@742 2644 ctx->heap.front = r;
adamc@742 2645 return b;
adamc@742 2646 }
adamc@742 2647
adamc@463 2648 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463 2649 int len = strlen(c);
adamc@854 2650 char *p = ctx->outHeaders.start;
adamc@474 2651
adamc@474 2652 while (p = strstr(p, "\nSet-Cookie: ")) {
adamc@474 2653 char *p2;
adamc@474 2654 p += 13;
adamc@474 2655 p2 = strchr(p, '=');
adamc@474 2656
adamc@474 2657 if (p2) {
adamc@474 2658 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474 2659
adamc@474 2660 if (!strncasecmp(p, c, p2 - p)) {
adamc@474 2661 char *ret = uw_malloc(ctx, sz + 1);
adamc@474 2662 memcpy(ret, p2+1, sz);
adamc@474 2663 ret[sz] = 0;
adamc@474 2664 return ret;
adamc@474 2665 }
adamc@474 2666 }
adamc@474 2667 }
adamc@463 2668
adamc@854 2669 if (p = uw_Basis_requestHeader(ctx, "Cookie")) {
adamc@854 2670 while (1) {
adamc@854 2671 if (!strncmp(p, c, len) && p[len] == '=')
adamc@854 2672 return p + 1 + len;
adamc@854 2673 else if (p = strchr(p, ';'))
adamc@854 2674 p += 2;
adamc@463 2675 else
adamc@463 2676 return NULL;
adamc@463 2677 }
adamc@463 2678 }
adamc@792 2679
adamc@792 2680 return NULL;
adamc@457 2681 }
adamc@462 2682
adamc@466 2683 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v) {
adamc@462 2684 uw_write_header(ctx, "Set-Cookie: ");
adamc@462 2685 uw_write_header(ctx, c);
adamc@462 2686 uw_write_header(ctx, "=");
adamc@462 2687 uw_write_header(ctx, v);
adamc@466 2688 uw_write_header(ctx, "; path=");
adamc@466 2689 uw_write_header(ctx, prefix);
adamc@462 2690 uw_write_header(ctx, "\r\n");
adamc@462 2691
adamc@462 2692 return uw_unit_v;
adamc@462 2693 }
adamc@667 2694
adamc@682 2695 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682 2696 unsigned i;
adamc@682 2697 delta *d;
adamc@671 2698
adamc@682 2699 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682 2700 if (ctx->deltas[i].client == client)
adamc@682 2701 return &ctx->deltas[i];
adamc@671 2702
adamc@682 2703 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@682 2704 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@682 2705 buf_init(&ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682 2706 }
adamc@671 2707
adamc@682 2708 d = &ctx->deltas[ctx->used_deltas++];
adamc@682 2709 d->client = client;
adamc@682 2710 buf_reset(&d->msgs);
adamc@682 2711 return d;
adamc@671 2712 }
adamc@671 2713
adamc@668 2714 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682 2715 if (ctx->client == NULL)
adamc@682 2716 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671 2717
adamc@682 2718 return new_channel(ctx->client);
adamc@668 2719 }
adamc@668 2720
adamc@668 2721 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682 2722 delta *d = allocate_delta(ctx, chn.cli);
adamc@682 2723 size_t len;
adamc@682 2724 int preLen;
adamc@682 2725 char pre[INTS_MAX + 2];
adamc@668 2726
adamc@682 2727 len = strlen(msg);
adamc@682 2728
adamc@682 2729 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682 2730
adamc@682 2731 buf_append(&d->msgs, pre, preLen);
adamc@682 2732 buf_append(&d->msgs, msg, len);
adamc@682 2733 buf_append(&d->msgs, "\n", 1);
adamc@671 2734
adamc@671 2735 return uw_unit_v;
adamc@668 2736 }
adamc@671 2737
adamc@671 2738 int uw_db_commit(uw_context);
adamc@671 2739 int uw_db_rollback(uw_context);
adamc@671 2740
adamc@671 2741 void uw_commit(uw_context ctx) {
adamc@682 2742 unsigned i;
adamc@671 2743
adamc@771 2744 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2745 if (ctx->transactionals[i].rollback != NULL)
adamc@771 2746 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771 2747
adamc@771 2748 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2749 if (ctx->transactionals[i].rollback == NULL)
adamc@771 2750 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771 2751
adamc@771 2752 if (uw_db_commit(ctx))
adamc@671 2753 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@682 2754
adamc@682 2755 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682 2756 delta *d = &ctx->deltas[i];
adamc@682 2757 client *c = find_client(d->client);
adamc@682 2758
adamc@682 2759 assert (c != NULL && c->mode == USED);
adamc@682 2760
adamc@685 2761 client_send(c, &d->msgs);
adamc@682 2762 }
adamc@682 2763
adamc@682 2764 if (ctx->client)
adamc@685 2765 release_client(ctx->client);
adamc@771 2766
adamc@771 2767 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2768 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@916 2769
adamc@916 2770 // Splice script data into appropriate part of page
adamc@995 2771 if (ctx->returning_blob || ctx->script_header[0] == 0) {
adamc@995 2772 char *start = strstr(ctx->page.start, "<sc>");
adamc@995 2773 if (start) {
adamc@995 2774 memmove(start, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995 2775 ctx->page.front -= 4;
adamc@995 2776 }
adamc@995 2777 } else if (buf_used(&ctx->script) == 0) {
adamc@916 2778 size_t len = strlen(ctx->script_header);
adamc@916 2779 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2780 if (start) {
adamc@916 2781 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917 2782 start = strstr(ctx->page.start, "<sc>");
adamc@916 2783 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2784 ctx->page.front += len - 4;
adamc@916 2785 memcpy(start, ctx->script_header, len);
adamc@916 2786 }
adamc@916 2787 } else {
adamc@916 2788 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916 2789 size_t lenP = lenH + 40 + len;
adamc@916 2790 char *start = strstr(ctx->page.start, "<sc>");
adamc@916 2791 if (start) {
adamc@916 2792 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917 2793 start = strstr(ctx->page.start, "<sc>");
adamc@916 2794 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916 2795 ctx->page.front += lenP - 4;
adamc@916 2796 memcpy(start, ctx->script_header, lenH);
adamc@916 2797 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916 2798 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916 2799 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916 2800 }
adamc@916 2801 }
adamc@671 2802 }
adamc@671 2803
adamc@671 2804 int uw_rollback(uw_context ctx) {
adamc@771 2805 size_t i;
adamc@885 2806 cleanup *cl;
adamc@771 2807
adamc@682 2808 if (ctx->client)
adamc@685 2809 release_client(ctx->client);
adamc@671 2810
adamc@885 2811 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@885 2812 cl->func(cl->arg);
adamc@885 2813
adamc@885 2814 ctx->cleanup_front = ctx->cleanup;
adamc@885 2815
adamc@771 2816 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2817 if (ctx->transactionals[i].rollback != NULL)
adamc@771 2818 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@771 2819
adamc@771 2820 for (i = 0; i < ctx->used_transactionals; ++i)
adamc@771 2821 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@771 2822
adamc@671 2823 return uw_db_rollback(ctx);
adamc@671 2824 }
adamc@683 2825
adamc@771 2826 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adamc@771 2827 uw_callback free) {
adamc@771 2828 if (commit == NULL)
adamc@771 2829 uw_error(ctx, FATAL, "uw_register_transactional: NULL commit callback");
adamc@771 2830
adamc@771 2831 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@771 2832 ctx->transactionals = realloc(ctx->transactionals, ctx->used_transactionals+1);
adamc@771 2833 ++ctx->n_transactionals;
adamc@771 2834 }
adamc@771 2835
adamc@771 2836 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771 2837 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771 2838 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771 2839 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771 2840 }
adamc@771 2841
adamc@683 2842
adamc@683 2843 // "Garbage collection"
adamc@683 2844
adamc@683 2845 void uw_expunger(uw_context ctx, uw_Basis_client cli);
adamc@683 2846
adamc@683 2847 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli) {
adamc@683 2848 int r = setjmp(ctx->jmp_buf);
adamc@683 2849
adamc@684 2850 if (r == 0) {
adamc@684 2851 if (uw_db_begin(ctx))
adamc@684 2852 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@683 2853 uw_expunger(ctx, cli);
adamc@684 2854 if (uw_db_commit(ctx))
adamc@684 2855 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@684 2856 }
adamc@683 2857
adamc@683 2858 return r;
adamc@683 2859 }
adamc@683 2860
adamc@683 2861 void uw_prune_clients(uw_context ctx) {
adamc@683 2862 client *c, *next, *prev = NULL;
adamc@683 2863 time_t cutoff;
adamc@683 2864
adamc@683 2865 cutoff = time(NULL) - uw_timeout;
adamc@683 2866
adamc@683 2867 pthread_mutex_lock(&clients_mutex);
adamc@683 2868
adamc@683 2869 for (c = clients_used; c; c = next) {
adamc@683 2870 next = c->next;
adamc@683 2871 pthread_mutex_lock(&c->lock);
adamc@685 2872 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683 2873 failure_kind fk = UNLIMITED_RETRY;
adamc@683 2874 if (prev)
adamc@683 2875 prev->next = next;
adamc@683 2876 else
adamc@683 2877 clients_used = next;
adamc@684 2878 uw_reset(ctx);
adamc@683 2879 while (fk == UNLIMITED_RETRY) {
adamc@683 2880 fk = uw_expunge(ctx, c->id);
adamc@684 2881 if (fk == UNLIMITED_RETRY) {
adamc@684 2882 uw_db_rollback(ctx);
adamc@684 2883 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683 2884 }
adamc@683 2885 }
adamc@684 2886 if (fk == SUCCESS)
adamc@684 2887 free_client(c);
adamc@684 2888 else {
adamc@684 2889 uw_db_rollback(ctx);
adamc@856 2890 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@684 2891 }
adamc@683 2892 }
adamc@683 2893 else
adamc@683 2894 prev = c;
adamc@683 2895 pthread_mutex_unlock(&c->lock);
adamc@683 2896 }
adamc@683 2897
adamc@683 2898 pthread_mutex_unlock(&clients_mutex);
adamc@683 2899 }
adamc@687 2900
adamc@687 2901 void uw_initializer(uw_context ctx);
adamc@687 2902
adamc@687 2903 failure_kind uw_initialize(uw_context ctx) {
adamc@687 2904 int r = setjmp(ctx->jmp_buf);
adamc@687 2905
adamc@687 2906 if (r == 0) {
adamc@687 2907 if (uw_db_begin(ctx))
adamc@687 2908 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@687 2909 uw_initializer(ctx);
adamc@687 2910 if (uw_db_commit(ctx))
adamc@687 2911 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687 2912 }
adamc@687 2913
adamc@687 2914 return r;
adamc@687 2915 }
adamc@717 2916
adamc@770 2917 extern int uw_check_url(const char *);
adamc@770 2918 extern int uw_check_mime(const char *);
adamc@770 2919
adamc@717 2920 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@770 2921 if (uw_check_url(s))
adamc@770 2922 return s;
adamc@770 2923 else
adamc@770 2924 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717 2925 }
adamc@734 2926
adamc@770 2927 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@770 2928 if (uw_check_url(s))
adamc@770 2929 return s;
adamc@770 2930 else
adamc@770 2931 return NULL;
adamc@770 2932 }
adamc@770 2933
adamc@770 2934 int mime_format(const char *s) {
adamc@770 2935 for (; *s; ++s)
adamc@770 2936 if (!isalnum(*s) && *s != '/' && *s != '-' && *s != '.')
adamc@770 2937 return 0;
adamc@770 2938
adamc@770 2939 return 1;
adamc@770 2940 }
adamc@770 2941
adamc@741 2942 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770 2943 if (!mime_format(s))
adamc@770 2944 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770 2945
adamc@770 2946 if (uw_check_mime(s))
adamc@770 2947 return s;
adamc@770 2948 else
adamc@770 2949 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770 2950 }
adamc@770 2951
adamc@770 2952 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770 2953 if (!mime_format(s))
adamc@770 2954 return NULL;
adamc@770 2955
adamc@770 2956 if (uw_check_mime(s))
adamc@770 2957 return s;
adamc@770 2958 else
adamc@770 2959 return NULL;
adamc@741 2960 }
adamc@741 2961
adamc@734 2962 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734 2963 return s ? s : "";
adamc@734 2964 }
adamc@734 2965
adamc@734 2966 extern int uw_hash_blocksize;
adamc@734 2967
adamc@734 2968 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734 2969 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734 2970 int i;
adamc@734 2971
adamc@734 2972 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734 2973 sprintf(&r[2*i], "%.02X", ((unsigned char *)sig)[i]);
adamc@734 2974
adamc@734 2975 return r;
adamc@734 2976 }
adamc@734 2977
adamc@734 2978 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@734 2979 return uw_cookie_sig(ctx);
adamc@734 2980 }
adamc@737 2981
adamc@737 2982 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737 2983 return f.name;
adamc@737 2984 }
adamc@737 2985
adamc@740 2986 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740 2987 return f.type;
adamc@740 2988 }
adamc@740 2989
adamc@745 2990 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745 2991 return b.size;
adamc@745 2992 }
adamc@745 2993
adamc@737 2994 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737 2995 return f.data;
adamc@737 2996 }
adamc@741 2997
adamc@741 2998 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741 2999 cleanup *cl;
adamc@741 3000 int len;
adamc@741 3001
adamc@921 3002 ctx->returning_blob = 1;
adamc@741 3003 buf_reset(&ctx->outHeaders);
adamc@741 3004 buf_reset(&ctx->page);
adamc@741 3005
adamc@856 3006 uw_write_header(ctx, on_success);
adamc@856 3007 uw_write_header(ctx, "Content-Type: ");
adamc@741 3008 uw_write_header(ctx, mimeType);
adamc@741 3009 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@741 3010 buf_check(&ctx->outHeaders, INTS_MAX);
adamc@741 3011 sprintf(ctx->outHeaders.front, "%d%n", b.size, &len);
adamc@741 3012 ctx->outHeaders.front += len;
adamc@741 3013 uw_write_header(ctx, "\r\n");
adamc@741 3014
adamc@741 3015 buf_append(&ctx->page, b.data, b.size);
adamc@741 3016
adamc@741 3017 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741 3018 cl->func(cl->arg);
adamc@741 3019
adamc@741 3020 ctx->cleanup_front = ctx->cleanup;
adamc@741 3021
adamc@741 3022 longjmp(ctx->jmp_buf, RETURN_BLOB);
adamc@741 3023 }
adamc@874 3024
adamc@874 3025 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874 3026 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874 3027
adamc@874 3028 for (; *s; ++s) {
adamc@874 3029 if (s[0] == '\'') {
adamc@874 3030 *r++ = '\'';
adamc@874 3031 for (++s; *s; ++s) {
adamc@874 3032 if (s[0] == '\'') {
adamc@874 3033 *r++ = '\'';
adamc@874 3034 break;
adamc@874 3035 } else if (s[0] == '\\') {
adamc@874 3036 if (s[1] == '\\') {
adamc@874 3037 *r++ = '\\';
adamc@874 3038 *r++ = '\\';
adamc@874 3039 ++s;
adamc@874 3040 } else if (s[1] == '\'') {
adamc@874 3041 *r++ = '\\';
adamc@874 3042 *r++ = '\'';
adamc@874 3043 ++s;
adamc@874 3044 } else
adamc@874 3045 *r++ = '\'';
adamc@874 3046 } else
adamc@874 3047 *r++ = s[0];
adamc@874 3048 }
adamc@874 3049 if (*s == 0) break;
adamc@874 3050 } else if (s[0] == 'T' && s[1] == '.')
adamc@874 3051 ++s;
adamc@874 3052 else
adamc@874 3053 *r++ = s[0];
adamc@874 3054 }
adamc@874 3055
adamc@874 3056 return r;
adamc@874 3057 }
adamc@874 3058
adamc@922 3059 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922 3060 va_list ap;
adamc@922 3061 size_t len = 1;
adamc@922 3062 char *s, *r, *s2;
adamc@922 3063
adamc@922 3064 va_start(ap, ctx);
adamc@922 3065 for (s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3066 len += strlen(s);
adamc@922 3067 va_end(ap);
adamc@922 3068
adamc@922 3069 r = uw_malloc(ctx, len);
adamc@922 3070 va_start(ap, ctx);
adamc@922 3071 for (s2 = r, s = va_arg(ap, char*); s; s = va_arg(ap, char*))
adamc@922 3072 while (*s)
adamc@922 3073 *s2++ = *s++;
adamc@922 3074 va_end(ap);
adamc@922 3075 *s2 = 0;
adamc@922 3076
adamc@922 3077 return r;
adamc@922 3078 }
adamc@1006 3079
adamc@1006 3080 uw_Basis_time uw_Basis_now(uw_context ctx) {
adamc@1006 3081 return time(NULL);
adamc@1006 3082 }