| 1 | /* |
| 2 | * Copyright 2019 Philippe Proulx <pproulx@efficios.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 20 | * SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <assert.h> |
| 24 | #include <stdarg.h> |
| 25 | #include <stdbool.h> |
| 26 | #include <stdio.h> |
| 27 | #include <stdlib.h> |
| 28 | #include <string.h> |
| 29 | |
| 30 | #include "argpar.h" |
| 31 | |
| 32 | #define argpar_realloc(_ptr, _type, _nmemb) ((_type *) realloc(_ptr, (_nmemb) * sizeof(_type))) |
| 33 | #define argpar_calloc(_type, _nmemb) ((_type *) calloc((_nmemb), sizeof(_type))) |
| 34 | #define argpar_zalloc(_type) argpar_calloc(_type, 1) |
| 35 | |
| 36 | #define ARGPAR_ASSERT(_cond) assert(_cond) |
| 37 | |
| 38 | #ifdef __MINGW_PRINTF_FORMAT |
| 39 | # define ARGPAR_PRINTF_FORMAT __MINGW_PRINTF_FORMAT |
| 40 | #else |
| 41 | # define ARGPAR_PRINTF_FORMAT printf |
| 42 | #endif |
| 43 | |
| 44 | static __attribute__((format(ARGPAR_PRINTF_FORMAT, 1, 0))) |
| 45 | char *argpar_vasprintf(const char *fmt, va_list args) |
| 46 | { |
| 47 | int len1, len2; |
| 48 | char *str; |
| 49 | va_list args2; |
| 50 | |
| 51 | va_copy(args2, args); |
| 52 | |
| 53 | len1 = vsnprintf(NULL, 0, fmt, args); |
| 54 | if (len1 < 0) { |
| 55 | str = NULL; |
| 56 | goto end; |
| 57 | } |
| 58 | |
| 59 | str = malloc(len1 + 1); |
| 60 | if (!str) { |
| 61 | goto end; |
| 62 | } |
| 63 | |
| 64 | len2 = vsnprintf(str, len1 + 1, fmt, args2); |
| 65 | |
| 66 | ARGPAR_ASSERT(len1 == len2); |
| 67 | |
| 68 | end: |
| 69 | va_end(args2); |
| 70 | return str; |
| 71 | } |
| 72 | |
| 73 | |
| 74 | static __attribute__((format(ARGPAR_PRINTF_FORMAT, 1, 2))) |
| 75 | char *argpar_asprintf(const char *fmt, ...) |
| 76 | { |
| 77 | va_list args; |
| 78 | char *str; |
| 79 | |
| 80 | va_start(args, fmt); |
| 81 | str = argpar_vasprintf(fmt, args); |
| 82 | va_end(args); |
| 83 | |
| 84 | return str; |
| 85 | } |
| 86 | |
| 87 | static __attribute__((format(ARGPAR_PRINTF_FORMAT, 2, 3))) |
| 88 | bool argpar_string_append_printf(char **str, const char *fmt, ...) |
| 89 | { |
| 90 | char *new_str = NULL; |
| 91 | char *addendum; |
| 92 | bool success; |
| 93 | va_list args; |
| 94 | |
| 95 | ARGPAR_ASSERT(str); |
| 96 | |
| 97 | va_start(args, fmt); |
| 98 | addendum = argpar_vasprintf(fmt, args); |
| 99 | va_end(args); |
| 100 | |
| 101 | if (!addendum) { |
| 102 | success = false; |
| 103 | goto end; |
| 104 | } |
| 105 | |
| 106 | new_str = argpar_asprintf("%s%s", *str ? *str : "", addendum); |
| 107 | if (!new_str) { |
| 108 | success = false; |
| 109 | goto end; |
| 110 | } |
| 111 | |
| 112 | free(*str); |
| 113 | *str = new_str; |
| 114 | |
| 115 | success = true; |
| 116 | |
| 117 | end: |
| 118 | free(addendum); |
| 119 | |
| 120 | return success; |
| 121 | } |
| 122 | |
| 123 | static |
| 124 | void destroy_item(struct argpar_item * const item) |
| 125 | { |
| 126 | if (!item) { |
| 127 | goto end; |
| 128 | } |
| 129 | |
| 130 | if (item->type == ARGPAR_ITEM_TYPE_OPT) { |
| 131 | struct argpar_item_opt * const opt_item = (void *) item; |
| 132 | |
| 133 | free((void *) opt_item->arg); |
| 134 | } |
| 135 | |
| 136 | free(item); |
| 137 | |
| 138 | end: |
| 139 | return; |
| 140 | } |
| 141 | |
| 142 | static |
| 143 | bool push_item(struct argpar_item_array * const array, |
| 144 | struct argpar_item * const item) |
| 145 | { |
| 146 | bool success; |
| 147 | |
| 148 | ARGPAR_ASSERT(array); |
| 149 | ARGPAR_ASSERT(item); |
| 150 | |
| 151 | if (array->n_items == array->n_alloc) { |
| 152 | unsigned int new_n_alloc = array->n_alloc * 2; |
| 153 | struct argpar_item **new_items; |
| 154 | |
| 155 | new_items = argpar_realloc(array->items, |
| 156 | struct argpar_item *, new_n_alloc); |
| 157 | if (!new_items) { |
| 158 | success = false; |
| 159 | goto end; |
| 160 | } |
| 161 | |
| 162 | array->n_alloc = new_n_alloc; |
| 163 | array->items = new_items; |
| 164 | } |
| 165 | |
| 166 | array->items[array->n_items] = item; |
| 167 | array->n_items++; |
| 168 | |
| 169 | success = true; |
| 170 | |
| 171 | end: |
| 172 | return success; |
| 173 | } |
| 174 | |
| 175 | static |
| 176 | void destroy_item_array(struct argpar_item_array * const array) |
| 177 | { |
| 178 | if (array) { |
| 179 | unsigned int i; |
| 180 | |
| 181 | for (i = 0; i < array->n_items; i++) { |
| 182 | destroy_item(array->items[i]); |
| 183 | } |
| 184 | |
| 185 | free(array->items); |
| 186 | free(array); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | static |
| 191 | struct argpar_item_array *new_item_array(void) |
| 192 | { |
| 193 | struct argpar_item_array *ret; |
| 194 | const int initial_size = 10; |
| 195 | |
| 196 | ret = argpar_zalloc(struct argpar_item_array); |
| 197 | if (!ret) { |
| 198 | goto end; |
| 199 | } |
| 200 | |
| 201 | ret->items = argpar_calloc(struct argpar_item *, initial_size); |
| 202 | if (!ret->items) { |
| 203 | goto error; |
| 204 | } |
| 205 | |
| 206 | ret->n_alloc = initial_size; |
| 207 | |
| 208 | goto end; |
| 209 | |
| 210 | error: |
| 211 | destroy_item_array(ret); |
| 212 | ret = NULL; |
| 213 | |
| 214 | end: |
| 215 | return ret; |
| 216 | } |
| 217 | |
| 218 | static |
| 219 | struct argpar_item_opt *create_opt_item( |
| 220 | const struct argpar_opt_descr * const descr, |
| 221 | const char * const arg) |
| 222 | { |
| 223 | struct argpar_item_opt *opt_item = |
| 224 | argpar_zalloc(struct argpar_item_opt); |
| 225 | |
| 226 | if (!opt_item) { |
| 227 | goto end; |
| 228 | } |
| 229 | |
| 230 | opt_item->base.type = ARGPAR_ITEM_TYPE_OPT; |
| 231 | opt_item->descr = descr; |
| 232 | |
| 233 | if (arg) { |
| 234 | opt_item->arg = strdup(arg); |
| 235 | if (!opt_item->arg) { |
| 236 | goto error; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | goto end; |
| 241 | |
| 242 | error: |
| 243 | destroy_item(&opt_item->base); |
| 244 | opt_item = NULL; |
| 245 | |
| 246 | end: |
| 247 | return opt_item; |
| 248 | } |
| 249 | |
| 250 | static |
| 251 | struct argpar_item_non_opt *create_non_opt_item(const char * const arg, |
| 252 | const unsigned int orig_index, |
| 253 | const unsigned int non_opt_index) |
| 254 | { |
| 255 | struct argpar_item_non_opt * const non_opt_item = |
| 256 | argpar_zalloc(struct argpar_item_non_opt); |
| 257 | |
| 258 | if (!non_opt_item) { |
| 259 | goto end; |
| 260 | } |
| 261 | |
| 262 | non_opt_item->base.type = ARGPAR_ITEM_TYPE_NON_OPT; |
| 263 | non_opt_item->arg = arg; |
| 264 | non_opt_item->orig_index = orig_index; |
| 265 | non_opt_item->non_opt_index = non_opt_index; |
| 266 | |
| 267 | end: |
| 268 | return non_opt_item; |
| 269 | } |
| 270 | |
| 271 | static |
| 272 | const struct argpar_opt_descr *find_descr( |
| 273 | const struct argpar_opt_descr * const descrs, |
| 274 | const char short_name, const char * const long_name) |
| 275 | { |
| 276 | const struct argpar_opt_descr *descr; |
| 277 | |
| 278 | for (descr = descrs; descr->short_name || descr->long_name; descr++) { |
| 279 | if (short_name && descr->short_name && |
| 280 | short_name == descr->short_name) { |
| 281 | goto end; |
| 282 | } |
| 283 | |
| 284 | if (long_name && descr->long_name && |
| 285 | strcmp(long_name, descr->long_name) == 0) { |
| 286 | goto end; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | end: |
| 291 | return !descr->short_name && !descr->long_name ? NULL : descr; |
| 292 | } |
| 293 | |
| 294 | enum parse_orig_arg_opt_ret { |
| 295 | PARSE_ORIG_ARG_OPT_RET_OK, |
| 296 | PARSE_ORIG_ARG_OPT_RET_ERROR_UNKNOWN_OPT = -2, |
| 297 | PARSE_ORIG_ARG_OPT_RET_ERROR = -1, |
| 298 | }; |
| 299 | |
| 300 | static |
| 301 | enum parse_orig_arg_opt_ret parse_short_opts(const char * const short_opts, |
| 302 | const char * const next_orig_arg, |
| 303 | const struct argpar_opt_descr * const descrs, |
| 304 | struct argpar_parse_ret * const parse_ret, |
| 305 | bool * const used_next_orig_arg) |
| 306 | { |
| 307 | enum parse_orig_arg_opt_ret ret = PARSE_ORIG_ARG_OPT_RET_OK; |
| 308 | const char *short_opt_ch = short_opts; |
| 309 | |
| 310 | if (strlen(short_opts) == 0) { |
| 311 | argpar_string_append_printf(&parse_ret->error, "Invalid argument"); |
| 312 | goto error; |
| 313 | } |
| 314 | |
| 315 | while (*short_opt_ch) { |
| 316 | const char *opt_arg = NULL; |
| 317 | const struct argpar_opt_descr *descr; |
| 318 | struct argpar_item_opt *opt_item; |
| 319 | |
| 320 | /* Find corresponding option descriptor */ |
| 321 | descr = find_descr(descrs, *short_opt_ch, NULL); |
| 322 | if (!descr) { |
| 323 | ret = PARSE_ORIG_ARG_OPT_RET_ERROR_UNKNOWN_OPT; |
| 324 | argpar_string_append_printf(&parse_ret->error, |
| 325 | "Unknown option `-%c`", *short_opt_ch); |
| 326 | goto error; |
| 327 | } |
| 328 | |
| 329 | if (descr->with_arg) { |
| 330 | if (short_opt_ch[1]) { |
| 331 | /* `-oarg` form */ |
| 332 | opt_arg = &short_opt_ch[1]; |
| 333 | } else { |
| 334 | /* `-o arg` form */ |
| 335 | opt_arg = next_orig_arg; |
| 336 | *used_next_orig_arg = true; |
| 337 | } |
| 338 | |
| 339 | /* |
| 340 | * We accept `-o ''` (empty option's argument), |
| 341 | * but not `-o` alone if an option's argument is |
| 342 | * expected. |
| 343 | */ |
| 344 | if (!opt_arg || (short_opt_ch[1] && strlen(opt_arg) == 0)) { |
| 345 | argpar_string_append_printf(&parse_ret->error, |
| 346 | "Missing required argument for option `-%c`", |
| 347 | *short_opt_ch); |
| 348 | *used_next_orig_arg = false; |
| 349 | goto error; |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | /* Create and append option argument */ |
| 354 | opt_item = create_opt_item(descr, opt_arg); |
| 355 | if (!opt_item) { |
| 356 | goto error; |
| 357 | } |
| 358 | |
| 359 | if (!push_item(parse_ret->items, &opt_item->base)) { |
| 360 | goto error; |
| 361 | } |
| 362 | |
| 363 | if (descr->with_arg) { |
| 364 | /* Option has an argument: no more options */ |
| 365 | break; |
| 366 | } |
| 367 | |
| 368 | /* Go to next short option */ |
| 369 | short_opt_ch++; |
| 370 | } |
| 371 | |
| 372 | goto end; |
| 373 | |
| 374 | error: |
| 375 | if (ret == PARSE_ORIG_ARG_OPT_RET_OK) { |
| 376 | ret = PARSE_ORIG_ARG_OPT_RET_ERROR; |
| 377 | } |
| 378 | |
| 379 | end: |
| 380 | return ret; |
| 381 | } |
| 382 | |
| 383 | static |
| 384 | enum parse_orig_arg_opt_ret parse_long_opt(const char * const long_opt_arg, |
| 385 | const char * const next_orig_arg, |
| 386 | const struct argpar_opt_descr * const descrs, |
| 387 | struct argpar_parse_ret * const parse_ret, |
| 388 | bool * const used_next_orig_arg) |
| 389 | { |
| 390 | const size_t max_len = 127; |
| 391 | enum parse_orig_arg_opt_ret ret = PARSE_ORIG_ARG_OPT_RET_OK; |
| 392 | const struct argpar_opt_descr *descr; |
| 393 | struct argpar_item_opt *opt_item; |
| 394 | |
| 395 | /* Option's argument, if any */ |
| 396 | const char *opt_arg = NULL; |
| 397 | |
| 398 | /* Position of first `=`, if any */ |
| 399 | const char *eq_pos; |
| 400 | |
| 401 | /* Buffer holding option name when `long_opt_arg` contains `=` */ |
| 402 | char buf[max_len + 1]; |
| 403 | |
| 404 | /* Option name */ |
| 405 | const char *long_opt_name = long_opt_arg; |
| 406 | |
| 407 | if (strlen(long_opt_arg) == 0) { |
| 408 | argpar_string_append_printf(&parse_ret->error, |
| 409 | "Invalid argument"); |
| 410 | goto error; |
| 411 | } |
| 412 | |
| 413 | /* Find the first `=` in original argument */ |
| 414 | eq_pos = strchr(long_opt_arg, '='); |
| 415 | if (eq_pos) { |
| 416 | const size_t long_opt_name_size = eq_pos - long_opt_arg; |
| 417 | |
| 418 | /* Isolate the option name */ |
| 419 | if (long_opt_name_size > max_len) { |
| 420 | argpar_string_append_printf(&parse_ret->error, |
| 421 | "Invalid argument `--%s`", long_opt_arg); |
| 422 | goto error; |
| 423 | } |
| 424 | |
| 425 | memcpy(buf, long_opt_arg, long_opt_name_size); |
| 426 | buf[long_opt_name_size] = '\0'; |
| 427 | long_opt_name = buf; |
| 428 | } |
| 429 | |
| 430 | /* Find corresponding option descriptor */ |
| 431 | descr = find_descr(descrs, '\0', long_opt_name); |
| 432 | if (!descr) { |
| 433 | argpar_string_append_printf(&parse_ret->error, |
| 434 | "Unknown option `--%s`", long_opt_name); |
| 435 | ret = PARSE_ORIG_ARG_OPT_RET_ERROR_UNKNOWN_OPT; |
| 436 | goto error; |
| 437 | } |
| 438 | |
| 439 | /* Find option's argument if any */ |
| 440 | if (descr->with_arg) { |
| 441 | if (eq_pos) { |
| 442 | /* `--long-opt=arg` style */ |
| 443 | opt_arg = eq_pos + 1; |
| 444 | } else { |
| 445 | /* `--long-opt arg` style */ |
| 446 | if (!next_orig_arg) { |
| 447 | argpar_string_append_printf(&parse_ret->error, |
| 448 | "Missing required argument for option `--%s`", |
| 449 | long_opt_name); |
| 450 | goto error; |
| 451 | } |
| 452 | |
| 453 | opt_arg = next_orig_arg; |
| 454 | *used_next_orig_arg = true; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | /* Create and append option argument */ |
| 459 | opt_item = create_opt_item(descr, opt_arg); |
| 460 | if (!opt_item) { |
| 461 | goto error; |
| 462 | } |
| 463 | |
| 464 | if (!push_item(parse_ret->items, &opt_item->base)) { |
| 465 | goto error; |
| 466 | } |
| 467 | |
| 468 | goto end; |
| 469 | |
| 470 | error: |
| 471 | if (ret == PARSE_ORIG_ARG_OPT_RET_OK) { |
| 472 | ret = PARSE_ORIG_ARG_OPT_RET_ERROR; |
| 473 | } |
| 474 | |
| 475 | end: |
| 476 | return ret; |
| 477 | } |
| 478 | |
| 479 | static |
| 480 | enum parse_orig_arg_opt_ret parse_orig_arg_opt(const char * const orig_arg, |
| 481 | const char * const next_orig_arg, |
| 482 | const struct argpar_opt_descr * const descrs, |
| 483 | struct argpar_parse_ret * const parse_ret, |
| 484 | bool * const used_next_orig_arg) |
| 485 | { |
| 486 | enum parse_orig_arg_opt_ret ret = PARSE_ORIG_ARG_OPT_RET_OK; |
| 487 | |
| 488 | ARGPAR_ASSERT(orig_arg[0] == '-'); |
| 489 | |
| 490 | if (orig_arg[1] == '-') { |
| 491 | /* Long option */ |
| 492 | ret = parse_long_opt(&orig_arg[2], |
| 493 | next_orig_arg, descrs, parse_ret, |
| 494 | used_next_orig_arg); |
| 495 | } else { |
| 496 | /* Short option */ |
| 497 | ret = parse_short_opts(&orig_arg[1], |
| 498 | next_orig_arg, descrs, parse_ret, |
| 499 | used_next_orig_arg); |
| 500 | } |
| 501 | |
| 502 | return ret; |
| 503 | } |
| 504 | |
| 505 | static |
| 506 | bool prepend_while_parsing_arg_to_error(char **error, |
| 507 | const unsigned int i, const char * const arg) |
| 508 | { |
| 509 | char *new_error; |
| 510 | bool success; |
| 511 | |
| 512 | ARGPAR_ASSERT(error); |
| 513 | ARGPAR_ASSERT(*error); |
| 514 | |
| 515 | new_error = argpar_asprintf("While parsing argument #%u (`%s`): %s", |
| 516 | i + 1, arg, *error); |
| 517 | if (!new_error) { |
| 518 | success = false; |
| 519 | goto end; |
| 520 | } |
| 521 | |
| 522 | free(*error); |
| 523 | *error = new_error; |
| 524 | success = true; |
| 525 | |
| 526 | end: |
| 527 | return success; |
| 528 | } |
| 529 | |
| 530 | ARGPAR_HIDDEN |
| 531 | struct argpar_parse_ret argpar_parse(unsigned int argc, |
| 532 | const char * const *argv, |
| 533 | const struct argpar_opt_descr * const descrs, |
| 534 | bool fail_on_unknown_opt) |
| 535 | { |
| 536 | struct argpar_parse_ret parse_ret = { 0 }; |
| 537 | unsigned int i; |
| 538 | unsigned int non_opt_index = 0; |
| 539 | |
| 540 | parse_ret.items = new_item_array(); |
| 541 | if (!parse_ret.items) { |
| 542 | goto error; |
| 543 | } |
| 544 | |
| 545 | for (i = 0; i < argc; i++) { |
| 546 | enum parse_orig_arg_opt_ret parse_orig_arg_opt_ret; |
| 547 | bool used_next_orig_arg = false; |
| 548 | const char * const orig_arg = argv[i]; |
| 549 | const char * const next_orig_arg = |
| 550 | i < argc - 1 ? argv[i + 1] : NULL; |
| 551 | |
| 552 | if (orig_arg[0] != '-') { |
| 553 | /* Non-option argument */ |
| 554 | struct argpar_item_non_opt *non_opt_item = |
| 555 | create_non_opt_item(orig_arg, i, non_opt_index); |
| 556 | |
| 557 | if (!non_opt_item) { |
| 558 | goto error; |
| 559 | } |
| 560 | |
| 561 | non_opt_index++; |
| 562 | |
| 563 | if (!push_item(parse_ret.items, &non_opt_item->base)) { |
| 564 | goto error; |
| 565 | } |
| 566 | |
| 567 | continue; |
| 568 | } |
| 569 | |
| 570 | /* Option argument */ |
| 571 | parse_orig_arg_opt_ret = parse_orig_arg_opt(orig_arg, |
| 572 | next_orig_arg, descrs, &parse_ret, &used_next_orig_arg); |
| 573 | switch (parse_orig_arg_opt_ret) { |
| 574 | case PARSE_ORIG_ARG_OPT_RET_OK: |
| 575 | break; |
| 576 | case PARSE_ORIG_ARG_OPT_RET_ERROR_UNKNOWN_OPT: |
| 577 | ARGPAR_ASSERT(!used_next_orig_arg); |
| 578 | |
| 579 | if (fail_on_unknown_opt) { |
| 580 | prepend_while_parsing_arg_to_error( |
| 581 | &parse_ret.error, i, orig_arg); |
| 582 | goto error; |
| 583 | } |
| 584 | |
| 585 | /* |
| 586 | * The current original argument is not |
| 587 | * considered ingested because it triggered an |
| 588 | * unknown option. |
| 589 | */ |
| 590 | parse_ret.ingested_orig_args = i; |
| 591 | free(parse_ret.error); |
| 592 | parse_ret.error = NULL; |
| 593 | goto end; |
| 594 | case PARSE_ORIG_ARG_OPT_RET_ERROR: |
| 595 | prepend_while_parsing_arg_to_error( |
| 596 | &parse_ret.error, i, orig_arg); |
| 597 | goto error; |
| 598 | default: |
| 599 | abort(); |
| 600 | } |
| 601 | |
| 602 | if (used_next_orig_arg) { |
| 603 | i++; |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | parse_ret.ingested_orig_args = argc; |
| 608 | free(parse_ret.error); |
| 609 | parse_ret.error = NULL; |
| 610 | goto end; |
| 611 | |
| 612 | error: |
| 613 | /* That's how we indicate that an error occured */ |
| 614 | destroy_item_array(parse_ret.items); |
| 615 | parse_ret.items = NULL; |
| 616 | |
| 617 | end: |
| 618 | return parse_ret; |
| 619 | } |
| 620 | |
| 621 | ARGPAR_HIDDEN |
| 622 | void argpar_parse_ret_fini(struct argpar_parse_ret *ret) |
| 623 | { |
| 624 | ARGPAR_ASSERT(ret); |
| 625 | |
| 626 | destroy_item_array(ret->items); |
| 627 | ret->items = NULL; |
| 628 | |
| 629 | free(ret->error); |
| 630 | ret->error = NULL; |
| 631 | } |