Changeset 1622 for branches/FREEBSD/src
- Timestamp:
- Nov 8, 2004, 1:35:00 AM (21 years ago)
- File:
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- 1 edited
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branches/FREEBSD/src/emx/src/lib/bsd/stdlib/getopt_long.c
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Property cvs2svn:cvs-rev
changed from
1.1
to1.1.1.2
r1621 r1622 1 /* $OpenBSD: getopt_long.c,v 1.17 2004/06/03 18:46:52 millert Exp $ */ 1 2 /* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */ 2 /* $FreeBSD: src/lib/libc/stdlib/getopt_long.c,v 1.2 2002/10/16 22:18:42 alfred Exp $ */ 3 3 4 /* 5 * Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan.com> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 * 19 * Sponsored in part by the Defense Advanced Research Projects 20 * Agency (DARPA) and Air Force Research Laboratory, Air Force 21 * Materiel Command, USAF, under agreement number F39502-99-1-0512. 22 */ 4 23 /*- 5 24 * Copyright (c) 2000 The NetBSD Foundation, Inc. … … 38 57 */ 39 58 59 #if 0 60 #if defined(LIBC_SCCS) && !defined(lint) 61 static char *rcsid = "$OpenBSD: getopt_long.c,v 1.16 2004/02/04 18:17:25 millert Exp $"; 62 #endif /* LIBC_SCCS and not lint */ 63 #endif 40 64 #include <sys/cdefs.h> 41 #if defined(LIBC_SCCS) && !defined(lint) 42 __RCSID("$NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $"); 43 #endif /* LIBC_SCCS and not lint */ 44 45 #include "namespace.h" 46 47 #include <assert.h> 65 __FBSDID("$FreeBSD: src/lib/libc/stdlib/getopt_long.c,v 1.12 2004/07/06 13:58:45 ache Exp $"); 66 48 67 #include <err.h> 49 68 #include <errno.h> … … 52 71 #include <string.h> 53 72 54 /* not part of the original file */ 55 #ifndef _DIAGASSERT 56 #define _DIAGASSERT(X) 57 #endif 58 59 #if HAVE_CONFIG_H && !HAVE_GETOPT_LONG && !HAVE_DECL_OPTIND 60 #define REPLACE_GETOPT 73 #define GNU_COMPATIBLE /* Be more compatible, configure's use us! */ 74 75 #ifndef GNU_COMPATIBLE 76 #define REPLACE_GETOPT /* use this getopt as the system getopt(3) */ 61 77 #endif 62 78 63 79 #ifdef REPLACE_GETOPT 64 #ifdef __weak_alias65 __weak_alias(getopt,_getopt)66 #endif67 80 int opterr = 1; /* if error message should be printed */ 68 81 int optind = 1; /* index into parent argv vector */ … … 70 83 int optreset; /* reset getopt */ 71 84 char *optarg; /* argument associated with option */ 72 #elif HAVE_CONFIG_H && !HAVE_DECL_OPTRESET 73 static int optreset; 74 #endif 75 76 #ifdef __weak_alias 77 __weak_alias(getopt_long,_getopt_long) 78 #endif 79 80 #if !HAVE_GETOPT_LONG 81 #define IGNORE_FIRST (*options == '-' || *options == '+') 82 #define PRINT_ERROR ((opterr) && ((*options != ':') \ 83 || (IGNORE_FIRST && options[1] != ':'))) 84 #define IS_POSIXLY_CORRECT (getenv("POSIXLY_CORRECT") != NULL) 85 #define PERMUTE (!IS_POSIXLY_CORRECT && !IGNORE_FIRST) 86 /* XXX: GNU ignores PC if *options == '-' */ 87 #define IN_ORDER (!IS_POSIXLY_CORRECT && *options == '-') 85 #endif 86 87 #define PRINT_ERROR ((opterr) && (*options != ':')) 88 89 #define FLAG_PERMUTE 0x01 /* permute non-options to the end of argv */ 90 #define FLAG_ALLARGS 0x02 /* treat non-options as args to option "-1" */ 91 #define FLAG_LONGONLY 0x04 /* operate as getopt_long_only */ 88 92 89 93 /* return values */ 90 #define BADCH (int)'?' 91 #define BADARG ((IGNORE_FIRST && options[1] == ':') \ 92 || (*options == ':') ? (int)':' : (int)'?') 93 #define INORDER (int)1 94 95 #define EMSG "" 96 97 static int getopt_internal(int, char * const *, const char *); 94 #define BADCH (int)'?' 95 #define BADARG ((*options == ':') ? (int)':' : (int)'?') 96 #define INORDER (int)1 97 98 #define EMSG "" 99 100 #ifdef GNU_COMPATIBLE 101 #define NO_PREFIX (-1) 102 #define D_PREFIX 0 103 #define DD_PREFIX 1 104 #define W_PREFIX 2 105 #endif 106 107 static int getopt_internal(int, char * const *, const char *, 108 const struct option *, int *, int); 109 static int parse_long_options(char * const *, const char *, 110 const struct option *, int *, int, int); 98 111 static int gcd(int, int); 99 112 static void permute_args(int, int, int, char * const *); … … 107 120 /* Error messages */ 108 121 static const char recargchar[] = "option requires an argument -- %c"; 122 static const char illoptchar[] = "illegal option -- %c"; /* From P1003.2 */ 123 #ifdef GNU_COMPATIBLE 124 static int dash_prefix = NO_PREFIX; 125 static const char gnuoptchar[] = "invalid option -- %c"; 126 127 static const char recargstring[] = "option `%s%s' requires an argument"; 128 static const char ambig[] = "option `%s%.*s' is ambiguous"; 129 static const char noarg[] = "option `%s%.*s' doesn't allow an argument"; 130 static const char illoptstring[] = "unrecognized option `%s%s'"; 131 #else 109 132 static const char recargstring[] = "option requires an argument -- %s"; 110 133 static const char ambig[] = "ambiguous option -- %.*s"; 111 134 static const char noarg[] = "option doesn't take an argument -- %.*s"; 112 static const char illoptchar[] = "unknown option -- %c";113 135 static const char illoptstring[] = "unknown option -- %s"; 114 136 #endif 115 137 116 138 /* … … 118 140 */ 119 141 static int 120 gcd(a, b) 121 int a; 122 int b; 142 gcd(int a, int b) 123 143 { 124 144 int c; … … 130 150 c = a % b; 131 151 } 132 133 return b;152 153 return (b); 134 154 } 135 155 … … 140 160 */ 141 161 static void 142 permute_args(panonopt_start, panonopt_end, opt_end, nargv) 143 int panonopt_start; 144 int panonopt_end; 145 int opt_end; 146 char * const *nargv; 162 permute_args(int panonopt_start, int panonopt_end, int opt_end, 163 char * const *nargv) 147 164 { 148 165 int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos; 149 166 char *swap; 150 151 _DIAGASSERT(nargv != NULL);152 167 153 168 /* … … 177 192 178 193 /* 194 * parse_long_options -- 195 * Parse long options in argc/argv argument vector. 196 * Returns -1 if short_too is set and the option does not match long_options. 197 */ 198 static int 199 parse_long_options(char * const *nargv, const char *options, 200 const struct option *long_options, int *idx, int short_too, int flags) 201 { 202 char *current_argv, *has_equal; 203 #ifdef GNU_COMPATIBLE 204 char *current_dash; 205 #endif 206 size_t current_argv_len; 207 int i, match, exact_match, second_partial_match; 208 209 current_argv = place; 210 #ifdef GNU_COMPATIBLE 211 switch (dash_prefix) { 212 case D_PREFIX: 213 current_dash = "-"; 214 break; 215 case DD_PREFIX: 216 current_dash = "--"; 217 break; 218 case W_PREFIX: 219 current_dash = "-W "; 220 break; 221 default: 222 current_dash = ""; 223 break; 224 } 225 #endif 226 match = -1; 227 exact_match = 0; 228 second_partial_match = 0; 229 230 optind++; 231 232 if ((has_equal = strchr(current_argv, '=')) != NULL) { 233 /* argument found (--option=arg) */ 234 current_argv_len = has_equal - current_argv; 235 has_equal++; 236 } else 237 current_argv_len = strlen(current_argv); 238 239 for (i = 0; long_options[i].name; i++) { 240 /* find matching long option */ 241 if (strncmp(current_argv, long_options[i].name, 242 current_argv_len)) 243 continue; 244 245 if (strlen(long_options[i].name) == current_argv_len) { 246 /* exact match */ 247 match = i; 248 exact_match = 1; 249 break; 250 } 251 /* 252 * If this is a known short option, don't allow 253 * a partial match of a single character. 254 */ 255 if (short_too && current_argv_len == 1) 256 continue; 257 258 if (match == -1) /* first partial match */ 259 match = i; 260 else if ((flags & FLAG_LONGONLY) || 261 long_options[i].has_arg != 262 long_options[match].has_arg || 263 long_options[i].flag != long_options[match].flag || 264 long_options[i].val != long_options[match].val) 265 second_partial_match = 1; 266 } 267 if (!exact_match && second_partial_match) { 268 /* ambiguous abbreviation */ 269 if (PRINT_ERROR) 270 warnx(ambig, 271 #ifdef GNU_COMPATIBLE 272 current_dash, 273 #endif 274 (int)current_argv_len, 275 current_argv); 276 optopt = 0; 277 return (BADCH); 278 } 279 if (match != -1) { /* option found */ 280 if (long_options[match].has_arg == no_argument 281 && has_equal) { 282 if (PRINT_ERROR) 283 warnx(noarg, 284 #ifdef GNU_COMPATIBLE 285 current_dash, 286 #endif 287 (int)current_argv_len, 288 current_argv); 289 /* 290 * XXX: GNU sets optopt to val regardless of flag 291 */ 292 if (long_options[match].flag == NULL) 293 optopt = long_options[match].val; 294 else 295 optopt = 0; 296 #ifdef GNU_COMPATIBLE 297 return (BADCH); 298 #else 299 return (BADARG); 300 #endif 301 } 302 if (long_options[match].has_arg == required_argument || 303 long_options[match].has_arg == optional_argument) { 304 if (has_equal) 305 optarg = has_equal; 306 else if (long_options[match].has_arg == 307 required_argument) { 308 /* 309 * optional argument doesn't use next nargv 310 */ 311 optarg = nargv[optind++]; 312 } 313 } 314 if ((long_options[match].has_arg == required_argument) 315 && (optarg == NULL)) { 316 /* 317 * Missing argument; leading ':' indicates no error 318 * should be generated. 319 */ 320 if (PRINT_ERROR) 321 warnx(recargstring, 322 #ifdef GNU_COMPATIBLE 323 current_dash, 324 #endif 325 current_argv); 326 /* 327 * XXX: GNU sets optopt to val regardless of flag 328 */ 329 if (long_options[match].flag == NULL) 330 optopt = long_options[match].val; 331 else 332 optopt = 0; 333 --optind; 334 return (BADARG); 335 } 336 } else { /* unknown option */ 337 if (short_too) { 338 --optind; 339 return (-1); 340 } 341 if (PRINT_ERROR) 342 warnx(illoptstring, 343 #ifdef GNU_COMPATIBLE 344 current_dash, 345 #endif 346 current_argv); 347 optopt = 0; 348 return (BADCH); 349 } 350 if (idx) 351 *idx = match; 352 if (long_options[match].flag) { 353 *long_options[match].flag = long_options[match].val; 354 return (0); 355 } else 356 return (long_options[match].val); 357 } 358 359 /* 179 360 * getopt_internal -- 180 361 * Parse argc/argv argument vector. Called by user level routines. 181 * Returns -2 if -- is found (can be long option or end of options marker).182 362 */ 183 363 static int 184 getopt_internal(nargc, nargv, options) 185 int nargc; 186 char * const *nargv; 187 const char *options; 364 getopt_internal(int nargc, char * const *nargv, const char *options, 365 const struct option *long_options, int *idx, int flags) 188 366 { 189 367 char *oli; /* option letter list index */ 190 int optchar; 191 192 _DIAGASSERT(nargv != NULL); 193 _DIAGASSERT(options != NULL); 194 195 optarg = NULL; 368 int optchar, short_too; 369 int posixly_correct; 370 371 if (options == NULL) 372 return (-1); 196 373 197 374 /* 198 * XXX Some programs (like rsyncd) expect to be able to 199 * XXX re-initialize optind to 0 and have getopt_long(3) 200 * XXX properly function again. Work around this braindamage. 375 * Disable GNU extensions if POSIXLY_CORRECT is set or options 376 * string begins with a '+'. 377 */ 378 posixly_correct = (getenv("POSIXLY_CORRECT") != NULL); 379 #ifdef GNU_COMPATIBLE 380 if (*options == '-') 381 flags |= FLAG_ALLARGS; 382 else if (posixly_correct || *options == '+') 383 flags &= ~FLAG_PERMUTE; 384 #else 385 if (posixly_correct || *options == '+') 386 flags &= ~FLAG_PERMUTE; 387 else if (*options == '-') 388 flags |= FLAG_ALLARGS; 389 #endif 390 if (*options == '+' || *options == '-') 391 options++; 392 393 /* 394 * XXX Some GNU programs (like cvs) set optind to 0 instead of 395 * XXX using optreset. Work around this braindamage. 201 396 */ 202 397 if (optind == 0) 203 optind = 1; 204 398 optind = optreset = 1; 399 400 optarg = NULL; 205 401 if (optreset) 206 402 nonopt_start = nonopt_end = -1; … … 224 420 } 225 421 nonopt_start = nonopt_end = -1; 226 return -1; 227 } 228 if ((*(place = nargv[optind]) != '-') 229 || (place[1] == '\0')) { /* found non-option */ 230 place = EMSG; 231 if (IN_ORDER) { 422 return (-1); 423 } 424 if (*(place = nargv[optind]) != '-' || 425 #ifdef GNU_COMPATIBLE 426 place[1] == '\0') { 427 #else 428 (place[1] == '\0' && strchr(options, '-') == NULL)) { 429 #endif 430 place = EMSG; /* found non-option */ 431 if (flags & FLAG_ALLARGS) { 232 432 /* 233 * GNU extension: 433 * GNU extension: 234 434 * return non-option as argument to option 1 235 435 */ 236 436 optarg = nargv[optind++]; 237 return INORDER;437 return (INORDER); 238 438 } 239 if (! PERMUTE) {439 if (!(flags & FLAG_PERMUTE)) { 240 440 /* 241 * if no permutation wanted, stop parsing242 * at first non-option 441 * If no permutation wanted, stop parsing 442 * at first non-option. 243 443 */ 244 return -1;444 return (-1); 245 445 } 246 446 /* do permutation */ … … 260 460 if (nonopt_start != -1 && nonopt_end == -1) 261 461 nonopt_end = optind; 262 if (place[1] && *++place == '-') { /* found "--" */ 263 place++; 264 return -2; 265 } 266 } 462 463 /* 464 * If we have "-" do nothing, if "--" we are done. 465 */ 466 if (place[1] != '\0' && *++place == '-' && place[1] == '\0') { 467 optind++; 468 place = EMSG; 469 /* 470 * We found an option (--), so if we skipped 471 * non-options, we have to permute. 472 */ 473 if (nonopt_end != -1) { 474 permute_args(nonopt_start, nonopt_end, 475 optind, nargv); 476 optind -= nonopt_end - nonopt_start; 477 } 478 nonopt_start = nonopt_end = -1; 479 return (-1); 480 } 481 } 482 483 /* 484 * Check long options if: 485 * 1) we were passed some 486 * 2) the arg is not just "-" 487 * 3) either the arg starts with -- we are getopt_long_only() 488 */ 489 if (long_options != NULL && place != nargv[optind] && 490 (*place == '-' || (flags & FLAG_LONGONLY))) { 491 short_too = 0; 492 #ifdef GNU_COMPATIBLE 493 dash_prefix = D_PREFIX; 494 #endif 495 if (*place == '-') { 496 place++; /* --foo long option */ 497 #ifdef GNU_COMPATIBLE 498 dash_prefix = DD_PREFIX; 499 #endif 500 } else if (*place != ':' && strchr(options, *place) != NULL) 501 short_too = 1; /* could be short option too */ 502 503 optchar = parse_long_options(nargv, options, long_options, 504 idx, short_too, flags); 505 if (optchar != -1) { 506 place = EMSG; 507 return (optchar); 508 } 509 } 510 267 511 if ((optchar = (int)*place++) == (int)':' || 268 (oli = strchr(options + (IGNORE_FIRST ? 1 : 0), optchar)) == NULL) { 269 /* option letter unknown or ':' */ 512 (optchar == (int)'-' && *place != '\0') || 513 (oli = strchr(options, optchar)) == NULL) { 514 /* 515 * If the user specified "-" and '-' isn't listed in 516 * options, return -1 (non-option) as per POSIX. 517 * Otherwise, it is an unknown option character (or ':'). 518 */ 519 if (optchar == (int)'-' && *place == '\0') 520 return (-1); 270 521 if (!*place) 271 522 ++optind; 523 #ifdef GNU_COMPATIBLE 524 if (PRINT_ERROR) 525 warnx(posixly_correct ? illoptchar : gnuoptchar, 526 optchar); 527 #else 272 528 if (PRINT_ERROR) 273 529 warnx(illoptchar, optchar); 530 #endif 274 531 optopt = optchar; 275 return BADCH; 276 } 277 if (optchar == 'W' && oli[1] == ';') { /* -W long-option */ 278 /* XXX: what if no long options provided (called by getopt)? */ 279 if (*place) 280 return -2; 281 282 if (++optind >= nargc) { /* no arg */ 532 return (BADCH); 533 } 534 if (long_options != NULL && optchar == 'W' && oli[1] == ';') { 535 /* -W long-option */ 536 if (*place) /* no space */ 537 /* NOTHING */; 538 else if (++optind >= nargc) { /* no arg */ 283 539 place = EMSG; 284 540 if (PRINT_ERROR) 285 541 warnx(recargchar, optchar); 286 542 optopt = optchar; 287 return BADARG;543 return (BADARG); 288 544 } else /* white space */ 289 545 place = nargv[optind]; 290 /* 291 * Handle -W arg the same as --arg (which causes getopt to 292 * stop parsing). 293 */ 294 return -2; 546 #ifdef GNU_COMPATIBLE 547 dash_prefix = W_PREFIX; 548 #endif 549 optchar = parse_long_options(nargv, options, long_options, 550 idx, 0, flags); 551 place = EMSG; 552 return (optchar); 295 553 } 296 554 if (*++oli != ':') { /* doesn't take argument */ … … 308 566 warnx(recargchar, optchar); 309 567 optopt = optchar; 310 return BADARG;568 return (BADARG); 311 569 } else 312 570 optarg = nargv[optind]; 571 } else if (!(flags & FLAG_PERMUTE)) { 572 /* 573 * If permutation is disabled, we can accept an 574 * optional arg separated by whitespace so long 575 * as it does not start with a dash (-). 576 */ 577 if (optind + 1 < nargc && *nargv[optind + 1] != '-') 578 optarg = nargv[++optind]; 313 579 } 314 580 place = EMSG; … … 316 582 } 317 583 /* dump back option letter */ 318 return optchar;584 return (optchar); 319 585 } 320 586 … … 324 590 * Parse argc/argv argument vector. 325 591 * 326 * [eventually this will replace the realgetopt]592 * [eventually this will replace the BSD getopt] 327 593 */ 328 594 int 329 getopt(nargc, nargv, options) 330 int nargc; 331 char * const *nargv; 332 const char *options; 595 getopt(int nargc, char * const *nargv, const char *options) 333 596 { 334 int retval; 335 336 _DIAGASSERT(nargv != NULL); 337 _DIAGASSERT(options != NULL); 338 339 if ((retval = getopt_internal(nargc, nargv, options)) == -2) { 340 ++optind; 341 /* 342 * We found an option (--), so if we skipped non-options, 343 * we have to permute. 344 */ 345 if (nonopt_end != -1) { 346 permute_args(nonopt_start, nonopt_end, optind, 347 nargv); 348 optind -= nonopt_end - nonopt_start; 349 } 350 nonopt_start = nonopt_end = -1; 351 retval = -1; 352 } 353 return retval; 597 598 /* 599 * We don't pass FLAG_PERMUTE to getopt_internal() since 600 * the BSD getopt(3) (unlike GNU) has never done this. 601 * 602 * Furthermore, since many privileged programs call getopt() 603 * before dropping privileges it makes sense to keep things 604 * as simple (and bug-free) as possible. 605 */ 606 return (getopt_internal(nargc, nargv, options, NULL, NULL, 0)); 354 607 } 355 #endif 608 #endif /* REPLACE_GETOPT */ 356 609 357 610 /* … … 367 620 int *idx; 368 621 { 369 int retval; 370 371 _DIAGASSERT(nargv != NULL); 372 _DIAGASSERT(options != NULL); 373 _DIAGASSERT(long_options != NULL); 374 /* idx may be NULL */ 375 376 if ((retval = getopt_internal(nargc, nargv, options)) == -2) { 377 char *current_argv, *has_equal; 378 size_t current_argv_len; 379 int i, match; 380 381 current_argv = place; 382 match = -1; 383 384 optind++; 385 place = EMSG; 386 387 if (*current_argv == '\0') { /* found "--" */ 388 /* 389 * We found an option (--), so if we skipped 390 * non-options, we have to permute. 391 */ 392 if (nonopt_end != -1) { 393 permute_args(nonopt_start, nonopt_end, 394 optind, nargv); 395 optind -= nonopt_end - nonopt_start; 396 } 397 nonopt_start = nonopt_end = -1; 398 return -1; 399 } 400 if ((has_equal = strchr(current_argv, '=')) != NULL) { 401 /* argument found (--option=arg) */ 402 current_argv_len = has_equal - current_argv; 403 has_equal++; 404 } else 405 current_argv_len = strlen(current_argv); 406 407 for (i = 0; long_options[i].name; i++) { 408 /* find matching long option */ 409 if (strncmp(current_argv, long_options[i].name, 410 current_argv_len)) 411 continue; 412 413 if (strlen(long_options[i].name) == 414 (unsigned)current_argv_len) { 415 /* exact match */ 416 match = i; 417 break; 418 } 419 if (match == -1) /* partial match */ 420 match = i; 421 else { 422 /* ambiguous abbreviation */ 423 if (PRINT_ERROR) 424 warnx(ambig, (int)current_argv_len, 425 current_argv); 426 optopt = 0; 427 return BADCH; 428 } 429 } 430 if (match != -1) { /* option found */ 431 if (long_options[match].has_arg == no_argument 432 && has_equal) { 433 if (PRINT_ERROR) 434 warnx(noarg, (int)current_argv_len, 435 current_argv); 436 /* 437 * XXX: GNU sets optopt to val regardless of 438 * flag 439 */ 440 if (long_options[match].flag == NULL) 441 optopt = long_options[match].val; 442 else 443 optopt = 0; 444 return BADARG; 445 } 446 if (long_options[match].has_arg == required_argument || 447 long_options[match].has_arg == optional_argument) { 448 if (has_equal) 449 optarg = has_equal; 450 else if (long_options[match].has_arg == 451 required_argument) { 452 /* 453 * optional argument doesn't use 454 * next nargv 455 */ 456 optarg = nargv[optind++]; 457 } 458 } 459 if ((long_options[match].has_arg == required_argument) 460 && (optarg == NULL)) { 461 /* 462 * Missing argument; leading ':' 463 * indicates no error should be generated 464 */ 465 if (PRINT_ERROR) 466 warnx(recargstring, current_argv); 467 /* 468 * XXX: GNU sets optopt to val regardless 469 * of flag 470 */ 471 if (long_options[match].flag == NULL) 472 optopt = long_options[match].val; 473 else 474 optopt = 0; 475 --optind; 476 return BADARG; 477 } 478 } else { /* unknown option */ 479 if (PRINT_ERROR) 480 warnx(illoptstring, current_argv); 481 optopt = 0; 482 return BADCH; 483 } 484 if (long_options[match].flag) { 485 *long_options[match].flag = long_options[match].val; 486 retval = 0; 487 } else 488 retval = long_options[match].val; 489 if (idx) 490 *idx = match; 491 } 492 return retval; 622 623 return (getopt_internal(nargc, nargv, options, long_options, idx, 624 FLAG_PERMUTE)); 493 625 } 494 #endif /* !GETOPT_LONG */ 626 627 /* 628 * getopt_long_only -- 629 * Parse argc/argv argument vector. 630 */ 631 int 632 getopt_long_only(nargc, nargv, options, long_options, idx) 633 int nargc; 634 char * const *nargv; 635 const char *options; 636 const struct option *long_options; 637 int *idx; 638 { 639 640 return (getopt_internal(nargc, nargv, options, long_options, idx, 641 FLAG_PERMUTE|FLAG_LONGONLY)); 642 } -
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