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| 1 | | /* $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 | | |
| 4 | | /*- |
| 5 | | * Copyright (c) 2000 The NetBSD Foundation, Inc. |
| 6 | | * All rights reserved. |
| 7 | | * |
| 8 | | * This code is derived from software contributed to The NetBSD Foundation |
| 9 | | * by Dieter Baron and Thomas Klausner. |
| 10 | | * |
| 11 | | * Redistribution and use in source and binary forms, with or without |
| 12 | | * modification, are permitted provided that the following conditions |
| 13 | | * are met: |
| 14 | | * 1. Redistributions of source code must retain the above copyright |
| 15 | | * notice, this list of conditions and the following disclaimer. |
| 16 | | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | | * notice, this list of conditions and the following disclaimer in the |
| 18 | | * documentation and/or other materials provided with the distribution. |
| 19 | | * 3. All advertising materials mentioning features or use of this software |
| 20 | | * must display the following acknowledgement: |
| 21 | | * This product includes software developed by the NetBSD |
| 22 | | * Foundation, Inc. and its contributors. |
| 23 | | * 4. Neither the name of The NetBSD Foundation nor the names of its |
| 24 | | * contributors may be used to endorse or promote products derived |
| 25 | | * from this software without specific prior written permission. |
| 26 | | * |
| 27 | | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 28 | | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 29 | | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 30 | | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 31 | | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 32 | | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 33 | | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 34 | | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 35 | | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 36 | | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 37 | | * POSSIBILITY OF SUCH DAMAGE. |
| 38 | | */ |
| 39 | | |
| 40 | | |
| 41 | | #define _CRT_SECURE_NO_WARNINGS 1 |
| 42 | | #include <stdlib.h> |
| 43 | | #include <string.h> |
| 44 | | |
| 45 | | #ifdef _WIN32 |
| 46 | | |
| 47 | | /* Windows needs warnx(). We change the definition though: |
| 48 | | * 1. (another) global is defined, opterrmsg, which holds the error message |
| 49 | | * 2. errors are always printed out on stderr w/o the program name |
| 50 | | * Note that opterrmsg always gets set no matter what opterr is set to. The |
| 51 | | * error message will not be printed if opterr is 0 as usual. |
| 52 | | */ |
| 53 | | |
| 54 | | #include <getopt.h> |
| 55 | | #include <stdio.h> |
| 56 | | #include <stdarg.h> |
| 57 | | |
| 58 | | GETOPT_API extern char opterrmsg[128]; |
| 59 | | char opterrmsg[128]; /* last error message is stored here */ |
| 60 | | |
| 61 | | static void warnx(int print_error, const char *fmt, ...) |
| 62 | | { |
| 63 | | va_list ap; |
| 64 | | va_start(ap, fmt); |
| 65 | | if (fmt != NULL) |
| 66 | | _vsnprintf(opterrmsg, 128, fmt, ap); |
| 67 | | else |
| 68 | | opterrmsg[0]='\0'; |
| 69 | | va_end(ap); |
| 70 | | if (print_error) { |
| 71 | | fprintf(stderr, opterrmsg); |
| 72 | | fprintf(stderr, "\n"); |
| 73 | | } |
| 74 | | } |
| 75 | | |
| 76 | | #endif /*_WIN32*/ |
| 77 | | |
| 78 | | /* not part of the original file */ |
| 79 | | #ifndef _DIAGASSERT |
| 80 | | #define _DIAGASSERT(X) |
| 81 | | #endif |
| 82 | | |
| 83 | | #if HAVE_CONFIG_H && !HAVE_GETOPT_LONG && !HAVE_DECL_OPTIND |
| 84 | | #define REPLACE_GETOPT |
| 85 | | #endif |
| 86 | | |
| 87 | | #ifdef REPLACE_GETOPT |
| 88 | | #ifdef __weak_alias |
| 89 | | __weak_alias(getopt,_getopt) |
| 90 | | #endif |
| 91 | | int opterr = 1; /* if error message should be printed */ |
| 92 | | int optind = 1; /* index into parent argv vector */ |
| 93 | | int optopt = '?'; /* character checked for validity */ |
| 94 | | int optreset; /* reset getopt */ |
| 95 | | char *optarg; /* argument associated with option */ |
| 96 | | #elif HAVE_CONFIG_H && !HAVE_DECL_OPTRESET |
| 97 | | static int optreset; |
| 98 | | #endif |
| 99 | | |
| 100 | | #ifdef __weak_alias |
| 101 | | __weak_alias(getopt_long,_getopt_long) |
| 102 | | #endif |
| 103 | | |
| 104 | | #if !HAVE_GETOPT_LONG |
| 105 | | #define IGNORE_FIRST (*options == '-' || *options == '+') |
| 106 | | #define PRINT_ERROR ((opterr) && ((*options != ':') \ |
| 107 | | || (IGNORE_FIRST && options[1] != ':'))) |
| 108 | | #define IS_POSIXLY_CORRECT (getenv("POSIXLY_CORRECT") != NULL) |
| 109 | | #define PERMUTE (!IS_POSIXLY_CORRECT && !IGNORE_FIRST) |
| 110 | | /* XXX: GNU ignores PC if *options == '-' */ |
| 111 | | #define IN_ORDER (!IS_POSIXLY_CORRECT && *options == '-') |
| 112 | | |
| 113 | | /* return values */ |
| 114 | | #define BADCH (int)'?' |
| 115 | | #define BADARG ((IGNORE_FIRST && options[1] == ':') \ |
| 116 | | || (*options == ':') ? (int)':' : (int)'?') |
| 117 | | #define INORDER (int)1 |
| 118 | | |
| 119 | | #define EMSG "" |
| 120 | | |
| 121 | | static int getopt_internal(int, char * const *, const char *); |
| 122 | | static int gcd(int, int); |
| 123 | | static void permute_args(int, int, int, char * const *); |
| 124 | | |
| 125 | | static char *place = EMSG; /* option letter processing */ |
| 126 | | |
| 127 | | /* XXX: set optreset to 1 rather than these two */ |
| 128 | | static int nonopt_start = -1; /* first non option argument (for permute) */ |
| 129 | | static int nonopt_end = -1; /* first option after non options (for permute) */ |
| 130 | | |
| 131 | | /* Error messages */ |
| 132 | | static const char recargchar[] = "option requires an argument -- %c"; |
| 133 | | static const char recargstring[] = "option requires an argument -- %s"; |
| 134 | | static const char ambig[] = "ambiguous option -- %.*s"; |
| 135 | | static const char noarg[] = "option doesn't take an argument -- %.*s"; |
| 136 | | static const char illoptchar[] = "unknown option -- %c"; |
| 137 | | static const char illoptstring[] = "unknown option -- %s"; |
| 138 | | |
| 139 | | |
| 140 | | /* |
| 141 | | * Compute the greatest common divisor of a and b. |
| 142 | | */ |
| 143 | | static int |
| 144 | | gcd(a, b) |
| 145 | | int a; |
| 146 | | int b; |
| 147 | | { |
| 148 | | int c; |
| 149 | | |
| 150 | | c = a % b; |
| 151 | | while (c != 0) { |
| 152 | | a = b; |
| 153 | | b = c; |
| 154 | | c = a % b; |
| 155 | | } |
| 156 | | |
| 157 | | return b; |
| 158 | | } |
| 159 | | |
| 160 | | /* |
| 161 | | * Exchange the block from nonopt_start to nonopt_end with the block |
| 162 | | * from nonopt_end to opt_end (keeping the same order of arguments |
| 163 | | * in each block). |
| 164 | | */ |
| 165 | | static void |
| 166 | | permute_args(panonopt_start, panonopt_end, opt_end, nargv) |
| 167 | | int panonopt_start; |
| 168 | | int panonopt_end; |
| 169 | | int opt_end; |
| 170 | | char * const *nargv; |
| 171 | | { |
| 172 | | int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos; |
| 173 | | char *swap; |
| 174 | | |
| 175 | | _DIAGASSERT(nargv != NULL); |
| 176 | | |
| 177 | | /* |
| 178 | | * compute lengths of blocks and number and size of cycles |
| 179 | | */ |
| 180 | | nnonopts = panonopt_end - panonopt_start; |
| 181 | | nopts = opt_end - panonopt_end; |
| 182 | | ncycle = gcd(nnonopts, nopts); |
| 183 | | cyclelen = (opt_end - panonopt_start) / ncycle; |
| 184 | | |
| 185 | | for (i = 0; i < ncycle; i++) { |
| 186 | | cstart = panonopt_end+i; |
| 187 | | pos = cstart; |
| 188 | | for (j = 0; j < cyclelen; j++) { |
| 189 | | if (pos >= panonopt_end) |
| 190 | | pos -= nnonopts; |
| 191 | | else |
| 192 | | pos += nopts; |
| 193 | | swap = nargv[pos]; |
| 194 | | /* LINTED const cast */ |
| 195 | | ((char **) nargv)[pos] = nargv[cstart]; |
| 196 | | /* LINTED const cast */ |
| 197 | | ((char **)nargv)[cstart] = swap; |
| 198 | | } |
| 199 | | } |
| 200 | | } |
| 201 | | |
| 202 | | /* |
| 203 | | * getopt_internal -- |
| 204 | | * Parse argc/argv argument vector. Called by user level routines. |
| 205 | | * Returns -2 if -- is found (can be long option or end of options marker). |
| 206 | | */ |
| 207 | | static int |
| 208 | | getopt_internal(nargc, nargv, options) |
| 209 | | int nargc; |
| 210 | | char * const *nargv; |
| 211 | | const char *options; |
| 212 | | { |
| 213 | | char *oli; /* option letter list index */ |
| 214 | | int optchar; |
| 215 | | |
| 216 | | _DIAGASSERT(nargv != NULL); |
| 217 | | _DIAGASSERT(options != NULL); |
| 218 | | |
| 219 | | optarg = NULL; |
| 220 | | |
| 221 | | /* |
| 222 | | * XXX Some programs (like rsyncd) expect to be able to |
| 223 | | * XXX re-initialize optind to 0 and have getopt_long(3) |
| 224 | | * XXX properly function again. Work around this braindamage. |
| 225 | | */ |
| 226 | | if (optind == 0) |
| 227 | | optind = 1; |
| 228 | | |
| 229 | | if (optreset) |
| 230 | | nonopt_start = nonopt_end = -1; |
| 231 | | start: |
| 232 | | if (optreset || !*place) { /* update scanning pointer */ |
| 233 | | optreset = 0; |
| 234 | | if (optind >= nargc) { /* end of argument vector */ |
| 235 | | place = EMSG; |
| 236 | | if (nonopt_end != -1) { |
| 237 | | /* do permutation, if we have to */ |
| 238 | | permute_args(nonopt_start, nonopt_end, |
| 239 | | optind, nargv); |
| 240 | | optind -= nonopt_end - nonopt_start; |
| 241 | | } |
| 242 | | else if (nonopt_start != -1) { |
| 243 | | /* |
| 244 | | * If we skipped non-options, set optind |
| 245 | | * to the first of them. |
| 246 | | */ |
| 247 | | optind = nonopt_start; |
| 248 | | } |
| 249 | | nonopt_start = nonopt_end = -1; |
| 250 | | return -1; |
| 251 | | } |
| 252 | | if ((*(place = nargv[optind]) != '-') |
| 253 | | || (place[1] == '\0')) { /* found non-option */ |
| 254 | | place = EMSG; |
| 255 | | if (IN_ORDER) { |
| 256 | | /* |
| 257 | | * GNU extension: |
| 258 | | * return non-option as argument to option 1 |
| 259 | | */ |
| 260 | | optarg = nargv[optind++]; |
| 261 | | return INORDER; |
| 262 | | } |
| 263 | | if (!PERMUTE) { |
| 264 | | /* |
| 265 | | * if no permutation wanted, stop parsing |
| 266 | | * at first non-option |
| 267 | | */ |
| 268 | | return -1; |
| 269 | | } |
| 270 | | /* do permutation */ |
| 271 | | if (nonopt_start == -1) |
| 272 | | nonopt_start = optind; |
| 273 | | else if (nonopt_end != -1) { |
| 274 | | permute_args(nonopt_start, nonopt_end, |
| 275 | | optind, nargv); |
| 276 | | nonopt_start = optind - |
| 277 | | (nonopt_end - nonopt_start); |
| 278 | | nonopt_end = -1; |
| 279 | | } |
| 280 | | optind++; |
| 281 | | /* process next argument */ |
| 282 | | goto start; |
| 283 | | } |
| 284 | | if (nonopt_start != -1 && nonopt_end == -1) |
| 285 | | nonopt_end = optind; |
| 286 | | if (place[1] && *++place == '-') { /* found "--" */ |
| 287 | | place++; |
| 288 | | return -2; |
| 289 | | } |
| 290 | | } |
| 291 | | if ((optchar = (int)*place++) == (int)':' || |
| 292 | | (oli = strchr(options + (IGNORE_FIRST ? 1 : 0), optchar)) == NULL) { |
| 293 | | /* option letter unknown or ':' */ |
| 294 | | if (!*place) |
| 295 | | ++optind; |
| 296 | | #ifndef _WIN32 |
| 297 | | if (PRINT_ERROR) |
| 298 | | warnx(illoptchar, optchar); |
| 299 | | #else |
| 300 | | warnx(PRINT_ERROR, illoptchar, optchar); |
| 301 | | #endif |
| 302 | | optopt = optchar; |
| 303 | | return BADCH; |
| 304 | | } |
| 305 | | if (optchar == 'W' && oli[1] == ';') { /* -W long-option */ |
| 306 | | /* XXX: what if no long options provided (called by getopt)? */ |
| 307 | | if (*place) |
| 308 | | return -2; |
| 309 | | |
| 310 | | if (++optind >= nargc) { /* no arg */ |
| 311 | | place = EMSG; |
| 312 | | #ifndef _WIN32 |
| 313 | | if (PRINT_ERROR) |
| 314 | | warnx(recargchar, optchar); |
| 315 | | #else |
| 316 | | warnx(PRINT_ERROR, recargchar, optchar); |
| 317 | | #endif |
| 318 | | optopt = optchar; |
| 319 | | return BADARG; |
| 320 | | } else /* white space */ |
| 321 | | place = nargv[optind]; |
| 322 | | /* |
| 323 | | * Handle -W arg the same as --arg (which causes getopt to |
| 324 | | * stop parsing). |
| 325 | | */ |
| 326 | | return -2; |
| 327 | | } |
| 328 | | if (*++oli != ':') { /* doesn't take argument */ |
| 329 | | if (!*place) |
| 330 | | ++optind; |
| 331 | | } else { /* takes (optional) argument */ |
| 332 | | optarg = NULL; |
| 333 | | if (*place) /* no white space */ |
| 334 | | optarg = place; |
| 335 | | /* XXX: disable test for :: if PC? (GNU doesn't) */ |
| 336 | | else if (oli[1] != ':') { /* arg not optional */ |
| 337 | | if (++optind >= nargc) { /* no arg */ |
| 338 | | place = EMSG; |
| 339 | | #ifndef _WIN32 |
| 340 | | if (PRINT_ERROR) |
| 341 | | warnx(recargchar, optchar); |
| 342 | | #else |
| 343 | | warnx(PRINT_ERROR, recargchar, optchar); |
| 344 | | #endif |
| 345 | | optopt = optchar; |
| 346 | | return BADARG; |
| 347 | | } else |
| 348 | | optarg = nargv[optind]; |
| 349 | | } |
| 350 | | place = EMSG; |
| 351 | | ++optind; |
| 352 | | } |
| 353 | | /* dump back option letter */ |
| 354 | | return optchar; |
| 355 | | } |
| 356 | | |
| 357 | | #ifdef REPLACE_GETOPT |
| 358 | | /* |
| 359 | | * getopt -- |
| 360 | | * Parse argc/argv argument vector. |
| 361 | | * |
| 362 | | * [eventually this will replace the real getopt] |
| 363 | | */ |
| 364 | | int |
| 365 | | getopt(nargc, nargv, options) |
| 366 | | int nargc; |
| 367 | | char * const *nargv; |
| 368 | | const char *options; |
| 369 | | { |
| 370 | | int retval; |
| 371 | | |
| 372 | | _DIAGASSERT(nargv != NULL); |
| 373 | | _DIAGASSERT(options != NULL); |
| 374 | | |
| 375 | | if ((retval = getopt_internal(nargc, nargv, options)) == -2) { |
| 376 | | ++optind; |
| 377 | | /* |
| 378 | | * We found an option (--), so if we skipped non-options, |
| 379 | | * we have to permute. |
| 380 | | */ |
| 381 | | if (nonopt_end != -1) { |
| 382 | | permute_args(nonopt_start, nonopt_end, optind, |
| 383 | | nargv); |
| 384 | | optind -= nonopt_end - nonopt_start; |
| 385 | | } |
| 386 | | nonopt_start = nonopt_end = -1; |
| 387 | | retval = -1; |
| 388 | | } |
| 389 | | return retval; |
| 390 | | } |
| 391 | | #endif |
| 392 | | |
| 393 | | /* |
| 394 | | * getopt_long -- |
| 395 | | * Parse argc/argv argument vector. |
| 396 | | */ |
| 397 | | int |
| 398 | | getopt_long(nargc, nargv, options, long_options, idx) |
| 399 | | int nargc; |
| 400 | | char * const *nargv; |
| 401 | | const char *options; |
| 402 | | const struct option *long_options; |
| 403 | | int *idx; |
| 404 | | { |
| 405 | | int retval; |
| 406 | | |
| 407 | | _DIAGASSERT(nargv != NULL); |
| 408 | | _DIAGASSERT(options != NULL); |
| 409 | | _DIAGASSERT(long_options != NULL); |
| 410 | | /* idx may be NULL */ |
| 411 | | |
| 412 | | if ((retval = getopt_internal(nargc, nargv, options)) == -2) { |
| 413 | | char *current_argv, *has_equal; |
| 414 | | size_t current_argv_len; |
| 415 | | int i, match; |
| 416 | | |
| 417 | | current_argv = place; |
| 418 | | match = -1; |
| 419 | | |
| 420 | | optind++; |
| 421 | | place = EMSG; |
| 422 | | |
| 423 | | if (*current_argv == '\0') { /* found "--" */ |
| 424 | | /* |
| 425 | | * We found an option (--), so if we skipped |
| 426 | | * non-options, we have to permute. |
| 427 | | */ |
| 428 | | if (nonopt_end != -1) { |
| 429 | | permute_args(nonopt_start, nonopt_end, |
| 430 | | optind, nargv); |
| 431 | | optind -= nonopt_end - nonopt_start; |
| 432 | | } |
| 433 | | nonopt_start = nonopt_end = -1; |
| 434 | | return -1; |
| 435 | | } |
| 436 | | if ((has_equal = strchr(current_argv, '=')) != NULL) { |
| 437 | | /* argument found (--option=arg) */ |
| 438 | | current_argv_len = has_equal - current_argv; |
| 439 | | has_equal++; |
| 440 | | } else |
| 441 | | current_argv_len = strlen(current_argv); |
| 442 | | |
| 443 | | for (i = 0; long_options[i].name; i++) { |
| 444 | | /* find matching long option */ |
| 445 | | if (strncmp(current_argv, long_options[i].name, |
| 446 | | current_argv_len)) |
| 447 | | continue; |
| 448 | | |
| 449 | | if (strlen(long_options[i].name) == |
| 450 | | (unsigned)current_argv_len) { |
| 451 | | /* exact match */ |
| 452 | | match = i; |
| 453 | | break; |
| 454 | | } |
| 455 | | if (match == -1) /* partial match */ |
| 456 | | match = i; |
| 457 | | else { |
| 458 | | /* ambiguous abbreviation */ |
| 459 | | #ifndef _WIN32 |
| 460 | | if (PRINT_ERROR) |
| 461 | | warnx(ambig, (int)current_argv_len, |
| 462 | | current_argv); |
| 463 | | #else |
| 464 | | warnx(PRINT_ERROR, ambig, (int)current_argv_len, |
| 465 | | current_argv); |
| 466 | | #endif |
| 467 | | optopt = 0; |
| 468 | | return BADCH; |
| 469 | | } |
| 470 | | } |
| 471 | | if (match != -1) { /* option found */ |
| 472 | | if (long_options[match].has_arg == no_argument |
| 473 | | && has_equal) { |
| 474 | | #ifndef _WIN32 |
| 475 | | if (PRINT_ERROR) |
| 476 | | warnx(noarg, (int)current_argv_len, |
| 477 | | current_argv); |
| 478 | | #else |
| 479 | | warnx(PRINT_ERROR, noarg, (int)current_argv_len, |
| 480 | | current_argv); |
| 481 | | #endif |
| 482 | | /* |
| 483 | | * XXX: GNU sets optopt to val regardless of |
| 484 | | * flag |
| 485 | | */ |
| 486 | | if (long_options[match].flag == NULL) |
| 487 | | optopt = long_options[match].val; |
| 488 | | else |
| 489 | | optopt = 0; |
| 490 | | return BADARG; |
| 491 | | } |
| 492 | | if (long_options[match].has_arg == required_argument || |
| 493 | | long_options[match].has_arg == optional_argument) { |
| 494 | | if (has_equal) |
| 495 | | optarg = has_equal; |
| 496 | | else if (long_options[match].has_arg == |
| 497 | | required_argument) { |
| 498 | | /* |
| 499 | | * optional argument doesn't use |
| 500 | | * next nargv |
| 501 | | */ |
| 502 | | optarg = nargv[optind++]; |
| 503 | | } |
| 504 | | } |
| 505 | | if ((long_options[match].has_arg == required_argument) |
| 506 | | && (optarg == NULL)) { |
| 507 | | /* |
| 508 | | * Missing argument; leading ':' |
| 509 | | * indicates no error should be generated |
| 510 | | */ |
| 511 | | #ifndef _WIN32 |
| 512 | | if (PRINT_ERROR) |
| 513 | | warnx(recargstring, current_argv); |
| 514 | | #else |
| 515 | | warnx(PRINT_ERROR, recargstring, current_argv); |
| 516 | | #endif |
| 517 | | /* |
| 518 | | * XXX: GNU sets optopt to val regardless |
| 519 | | * of flag |
| 520 | | */ |
| 521 | | if (long_options[match].flag == NULL) |
| 522 | | optopt = long_options[match].val; |
| 523 | | else |
| 524 | | optopt = 0; |
| 525 | | --optind; |
| 526 | | return BADARG; |
| 527 | | } |
| 528 | | } else { /* unknown option */ |
| 529 | | #ifndef _WIN32 |
| 530 | | if (PRINT_ERROR) |
| 531 | | warnx(illoptstring, current_argv); |
| 532 | | #else |
| 533 | | warnx(PRINT_ERROR, illoptstring, current_argv); |
| 534 | | #endif |
| 535 | | optopt = 0; |
| 536 | | return BADCH; |
| 537 | | } |
| 538 | | if (long_options[match].flag) { |
| 539 | | *long_options[match].flag = long_options[match].val; |
| 540 | | retval = 0; |
| 541 | | } else |
| 542 | | retval = long_options[match].val; |
| 543 | | if (idx) |
| 544 | | *idx = match; |
| 545 | | } |
| 546 | | return retval; |
| 547 | | } |
| 548 | | #endif /* !GETOPT_LONG */ |