Commit | Line | Data |
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903a5b8a SM |
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 | ||
7ac57709 SM |
23 | #include <assert.h> |
24 | #include <stdarg.h> | |
903a5b8a | 25 | #include <stdbool.h> |
7ac57709 | 26 | #include <stdio.h> |
903a5b8a SM |
27 | #include <stdlib.h> |
28 | #include <string.h> | |
903a5b8a SM |
29 | |
30 | #include "argpar.h" | |
31 | ||
7ac57709 SM |
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 | ||
1ae22b5e SM |
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))) | |
7ac57709 SM |
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: | |
92ecd98e | 69 | va_end(args2); |
7ac57709 SM |
70 | return str; |
71 | } | |
72 | ||
73 | ||
1ae22b5e | 74 | static __attribute__((format(ARGPAR_PRINTF_FORMAT, 1, 2))) |
7ac57709 SM |
75 | char *argpar_asprintf(const char *fmt, ...) |
76 | { | |
77 | va_list args; | |
78 | char *str; | |
f46b5106 | 79 | |
7ac57709 SM |
80 | va_start(args, fmt); |
81 | str = argpar_vasprintf(fmt, args); | |
82 | va_end(args); | |
83 | ||
84 | return str; | |
85 | } | |
86 | ||
1ae22b5e | 87 | static __attribute__((format(ARGPAR_PRINTF_FORMAT, 2, 3))) |
7ac57709 SM |
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 | } | |
f46b5106 | 111 | |
7ac57709 SM |
112 | free(*str); |
113 | *str = new_str; | |
114 | ||
115 | success = true; | |
116 | ||
117 | end: | |
118 | free(addendum); | |
119 | ||
120 | return success; | |
121 | } | |
122 | ||
903a5b8a | 123 | static |
1c9a6bde | 124 | void destroy_item(struct argpar_item * const item) |
903a5b8a SM |
125 | { |
126 | if (!item) { | |
127 | goto end; | |
128 | } | |
129 | ||
1c9a6bde SM |
130 | if (item->type == ARGPAR_ITEM_TYPE_OPT) { |
131 | struct argpar_item_opt * const opt_item = (void *) item; | |
903a5b8a | 132 | |
7ac57709 | 133 | free((void *) opt_item->arg); |
903a5b8a SM |
134 | } |
135 | ||
7ac57709 | 136 | free(item); |
903a5b8a SM |
137 | |
138 | end: | |
139 | return; | |
140 | } | |
141 | ||
7ac57709 | 142 | static |
1c9a6bde SM |
143 | bool push_item(struct argpar_item_array * const array, |
144 | struct argpar_item * const item) | |
7ac57709 SM |
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; | |
1c9a6bde | 153 | struct argpar_item **new_items; |
7ac57709 | 154 | |
f46b5106 | 155 | new_items = argpar_realloc(array->items, |
1c9a6bde | 156 | struct argpar_item *, new_n_alloc); |
7ac57709 SM |
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 | |
1c9a6bde | 176 | void destroy_item_array(struct argpar_item_array * const array) |
7ac57709 SM |
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 | |
1c9a6bde | 191 | struct argpar_item_array *new_item_array(void) |
7ac57709 | 192 | { |
1c9a6bde | 193 | struct argpar_item_array *ret; |
7ac57709 SM |
194 | const int initial_size = 10; |
195 | ||
1c9a6bde | 196 | ret = argpar_zalloc(struct argpar_item_array); |
7ac57709 SM |
197 | if (!ret) { |
198 | goto end; | |
199 | } | |
200 | ||
1c9a6bde | 201 | ret->items = argpar_calloc(struct argpar_item *, initial_size); |
7ac57709 SM |
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 | ||
903a5b8a | 218 | static |
1c9a6bde SM |
219 | struct argpar_item_opt *create_opt_item( |
220 | const struct argpar_opt_descr * const descr, | |
903a5b8a SM |
221 | const char * const arg) |
222 | { | |
1c9a6bde SM |
223 | struct argpar_item_opt *opt_item = |
224 | argpar_zalloc(struct argpar_item_opt); | |
903a5b8a SM |
225 | |
226 | if (!opt_item) { | |
227 | goto end; | |
228 | } | |
229 | ||
1c9a6bde | 230 | opt_item->base.type = ARGPAR_ITEM_TYPE_OPT; |
903a5b8a SM |
231 | opt_item->descr = descr; |
232 | ||
233 | if (arg) { | |
7ac57709 | 234 | opt_item->arg = strdup(arg); |
903a5b8a SM |
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 | |
1c9a6bde | 251 | struct argpar_item_non_opt *create_non_opt_item(const char * const arg, |
903a5b8a SM |
252 | const unsigned int orig_index, |
253 | const unsigned int non_opt_index) | |
254 | { | |
1c9a6bde SM |
255 | struct argpar_item_non_opt * const non_opt_item = |
256 | argpar_zalloc(struct argpar_item_non_opt); | |
903a5b8a SM |
257 | |
258 | if (!non_opt_item) { | |
259 | goto end; | |
260 | } | |
261 | ||
1c9a6bde | 262 | non_opt_item->base.type = ARGPAR_ITEM_TYPE_NON_OPT; |
903a5b8a SM |
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 | |
1c9a6bde SM |
272 | const struct argpar_opt_descr *find_descr( |
273 | const struct argpar_opt_descr * const descrs, | |
903a5b8a SM |
274 | const char short_name, const char * const long_name) |
275 | { | |
1c9a6bde | 276 | const struct argpar_opt_descr *descr; |
903a5b8a SM |
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, | |
1c9a6bde SM |
303 | const struct argpar_opt_descr * const descrs, |
304 | struct argpar_parse_ret * const parse_ret, | |
903a5b8a SM |
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) { | |
7ac57709 | 311 | argpar_string_append_printf(&parse_ret->error, "Invalid argument"); |
903a5b8a SM |
312 | goto error; |
313 | } | |
314 | ||
315 | while (*short_opt_ch) { | |
316 | const char *opt_arg = NULL; | |
1c9a6bde SM |
317 | const struct argpar_opt_descr *descr; |
318 | struct argpar_item_opt *opt_item; | |
903a5b8a SM |
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; | |
7ac57709 | 324 | argpar_string_append_printf(&parse_ret->error, |
903a5b8a SM |
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)) { | |
7ac57709 | 345 | argpar_string_append_printf(&parse_ret->error, |
903a5b8a SM |
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 | ||
7ac57709 SM |
359 | if (!push_item(parse_ret->items, &opt_item->base)) { |
360 | goto error; | |
361 | } | |
903a5b8a SM |
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, | |
1c9a6bde SM |
386 | const struct argpar_opt_descr * const descrs, |
387 | struct argpar_parse_ret * const parse_ret, | |
903a5b8a SM |
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; | |
1c9a6bde SM |
392 | const struct argpar_opt_descr *descr; |
393 | struct argpar_item_opt *opt_item; | |
903a5b8a SM |
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) { | |
7ac57709 SM |
408 | argpar_string_append_printf(&parse_ret->error, |
409 | "Invalid argument"); | |
903a5b8a SM |
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) { | |
7ac57709 | 420 | argpar_string_append_printf(&parse_ret->error, |
903a5b8a SM |
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) { | |
7ac57709 | 433 | argpar_string_append_printf(&parse_ret->error, |
903a5b8a SM |
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) { | |
7ac57709 | 447 | argpar_string_append_printf(&parse_ret->error, |
903a5b8a SM |
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 | } | |
430fe886 SM |
456 | } else if (eq_pos) { |
457 | /* | |
458 | * Unexpected `--opt=arg` style for a long option which | |
459 | * doesn't accept an argument. | |
460 | */ | |
461 | argpar_string_append_printf(&parse_ret->error, | |
462 | "Unexpected argument for option `--%s`", | |
463 | long_opt_name); | |
464 | goto error; | |
903a5b8a SM |
465 | } |
466 | ||
467 | /* Create and append option argument */ | |
468 | opt_item = create_opt_item(descr, opt_arg); | |
469 | if (!opt_item) { | |
470 | goto error; | |
471 | } | |
472 | ||
7ac57709 SM |
473 | if (!push_item(parse_ret->items, &opt_item->base)) { |
474 | goto error; | |
475 | } | |
476 | ||
903a5b8a SM |
477 | goto end; |
478 | ||
479 | error: | |
480 | if (ret == PARSE_ORIG_ARG_OPT_RET_OK) { | |
481 | ret = PARSE_ORIG_ARG_OPT_RET_ERROR; | |
482 | } | |
483 | ||
484 | end: | |
485 | return ret; | |
486 | } | |
487 | ||
488 | static | |
489 | enum parse_orig_arg_opt_ret parse_orig_arg_opt(const char * const orig_arg, | |
490 | const char * const next_orig_arg, | |
1c9a6bde SM |
491 | const struct argpar_opt_descr * const descrs, |
492 | struct argpar_parse_ret * const parse_ret, | |
903a5b8a SM |
493 | bool * const used_next_orig_arg) |
494 | { | |
495 | enum parse_orig_arg_opt_ret ret = PARSE_ORIG_ARG_OPT_RET_OK; | |
496 | ||
7ac57709 | 497 | ARGPAR_ASSERT(orig_arg[0] == '-'); |
903a5b8a SM |
498 | |
499 | if (orig_arg[1] == '-') { | |
500 | /* Long option */ | |
501 | ret = parse_long_opt(&orig_arg[2], | |
502 | next_orig_arg, descrs, parse_ret, | |
503 | used_next_orig_arg); | |
504 | } else { | |
505 | /* Short option */ | |
506 | ret = parse_short_opts(&orig_arg[1], | |
507 | next_orig_arg, descrs, parse_ret, | |
508 | used_next_orig_arg); | |
509 | } | |
510 | ||
511 | return ret; | |
512 | } | |
513 | ||
514 | static | |
7ac57709 | 515 | bool prepend_while_parsing_arg_to_error(char **error, |
903a5b8a SM |
516 | const unsigned int i, const char * const arg) |
517 | { | |
7ac57709 SM |
518 | char *new_error; |
519 | bool success; | |
903a5b8a | 520 | |
7ac57709 SM |
521 | ARGPAR_ASSERT(error); |
522 | ARGPAR_ASSERT(*error); | |
903a5b8a | 523 | |
7ac57709 SM |
524 | new_error = argpar_asprintf("While parsing argument #%u (`%s`): %s", |
525 | i + 1, arg, *error); | |
526 | if (!new_error) { | |
527 | success = false; | |
903a5b8a SM |
528 | goto end; |
529 | } | |
530 | ||
7ac57709 SM |
531 | free(*error); |
532 | *error = new_error; | |
533 | success = true; | |
903a5b8a SM |
534 | |
535 | end: | |
7ac57709 | 536 | return success; |
903a5b8a SM |
537 | } |
538 | ||
7ac57709 | 539 | ARGPAR_HIDDEN |
1c9a6bde | 540 | struct argpar_parse_ret argpar_parse(unsigned int argc, |
903a5b8a | 541 | const char * const *argv, |
1c9a6bde | 542 | const struct argpar_opt_descr * const descrs, |
903a5b8a SM |
543 | bool fail_on_unknown_opt) |
544 | { | |
1c9a6bde | 545 | struct argpar_parse_ret parse_ret = { 0 }; |
903a5b8a SM |
546 | unsigned int i; |
547 | unsigned int non_opt_index = 0; | |
548 | ||
7ac57709 | 549 | parse_ret.items = new_item_array(); |
903a5b8a SM |
550 | if (!parse_ret.items) { |
551 | goto error; | |
552 | } | |
553 | ||
554 | for (i = 0; i < argc; i++) { | |
555 | enum parse_orig_arg_opt_ret parse_orig_arg_opt_ret; | |
556 | bool used_next_orig_arg = false; | |
557 | const char * const orig_arg = argv[i]; | |
558 | const char * const next_orig_arg = | |
559 | i < argc - 1 ? argv[i + 1] : NULL; | |
560 | ||
561 | if (orig_arg[0] != '-') { | |
562 | /* Non-option argument */ | |
1c9a6bde | 563 | struct argpar_item_non_opt *non_opt_item = |
903a5b8a SM |
564 | create_non_opt_item(orig_arg, i, non_opt_index); |
565 | ||
566 | if (!non_opt_item) { | |
567 | goto error; | |
568 | } | |
569 | ||
570 | non_opt_index++; | |
7ac57709 SM |
571 | |
572 | if (!push_item(parse_ret.items, &non_opt_item->base)) { | |
573 | goto error; | |
574 | } | |
575 | ||
903a5b8a SM |
576 | continue; |
577 | } | |
578 | ||
579 | /* Option argument */ | |
580 | parse_orig_arg_opt_ret = parse_orig_arg_opt(orig_arg, | |
581 | next_orig_arg, descrs, &parse_ret, &used_next_orig_arg); | |
582 | switch (parse_orig_arg_opt_ret) { | |
583 | case PARSE_ORIG_ARG_OPT_RET_OK: | |
584 | break; | |
585 | case PARSE_ORIG_ARG_OPT_RET_ERROR_UNKNOWN_OPT: | |
7ac57709 | 586 | ARGPAR_ASSERT(!used_next_orig_arg); |
903a5b8a SM |
587 | |
588 | if (fail_on_unknown_opt) { | |
589 | prepend_while_parsing_arg_to_error( | |
7ac57709 | 590 | &parse_ret.error, i, orig_arg); |
903a5b8a SM |
591 | goto error; |
592 | } | |
593 | ||
594 | /* | |
595 | * The current original argument is not | |
596 | * considered ingested because it triggered an | |
597 | * unknown option. | |
598 | */ | |
599 | parse_ret.ingested_orig_args = i; | |
7ac57709 | 600 | free(parse_ret.error); |
903a5b8a SM |
601 | parse_ret.error = NULL; |
602 | goto end; | |
603 | case PARSE_ORIG_ARG_OPT_RET_ERROR: | |
604 | prepend_while_parsing_arg_to_error( | |
7ac57709 | 605 | &parse_ret.error, i, orig_arg); |
903a5b8a SM |
606 | goto error; |
607 | default: | |
7ac57709 | 608 | abort(); |
903a5b8a SM |
609 | } |
610 | ||
611 | if (used_next_orig_arg) { | |
612 | i++; | |
613 | } | |
614 | } | |
615 | ||
616 | parse_ret.ingested_orig_args = argc; | |
7ac57709 | 617 | free(parse_ret.error); |
903a5b8a SM |
618 | parse_ret.error = NULL; |
619 | goto end; | |
620 | ||
621 | error: | |
7ac57709 SM |
622 | /* That's how we indicate that an error occured */ |
623 | destroy_item_array(parse_ret.items); | |
624 | parse_ret.items = NULL; | |
903a5b8a SM |
625 | |
626 | end: | |
627 | return parse_ret; | |
628 | } | |
629 | ||
7ac57709 | 630 | ARGPAR_HIDDEN |
1c9a6bde | 631 | void argpar_parse_ret_fini(struct argpar_parse_ret *ret) |
903a5b8a | 632 | { |
7ac57709 | 633 | ARGPAR_ASSERT(ret); |
903a5b8a | 634 | |
7ac57709 SM |
635 | destroy_item_array(ret->items); |
636 | ret->items = NULL; | |
903a5b8a | 637 | |
7ac57709 SM |
638 | free(ret->error); |
639 | ret->error = NULL; | |
903a5b8a | 640 | } |