getopt_long.c (ee43cb7a22d6a8d901ea7b69e7d33015b20a3fbd) getopt_long.c (f2fd86b76ea12bb6557e14f9ab52d4197a1cf99b)
1/* $OpenBSD: getopt_long.c,v 1.16 2004/02/04 18:17:25 millert Exp $ */
2/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */
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

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65__FBSDID("$FreeBSD$");
66
67#include <err.h>
68#include <errno.h>
69#include <getopt.h>
70#include <stdlib.h>
71#include <string.h>
72
1/* $OpenBSD: getopt_long.c,v 1.16 2004/02/04 18:17:25 millert Exp $ */
2/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */
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

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65__FBSDID("$FreeBSD$");
66
67#include <err.h>
68#include <errno.h>
69#include <getopt.h>
70#include <stdlib.h>
71#include <string.h>
72
73#ifdef notyet
73#define GNU_COMPATIBLE /* Be more compatible, configure's use us! */
74
75#ifndef GNU_COMPATIBLE
74#define REPLACE_GETOPT /* use this getopt as the system getopt(3) */
75#endif
76
77#ifdef REPLACE_GETOPT
78int opterr = 1; /* if error message should be printed */
79int optind = 1; /* index into parent argv vector */
80int optopt = '?'; /* character checked for validity */
81int optreset; /* reset getopt */

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105static char *place = EMSG; /* option letter processing */
106
107/* XXX: set optreset to 1 rather than these two */
108static int nonopt_start = -1; /* first non option argument (for permute) */
109static int nonopt_end = -1; /* first option after non options (for permute) */
110
111/* Error messages */
112static const char recargchar[] = "option requires an argument -- %c";
76#define REPLACE_GETOPT /* use this getopt as the system getopt(3) */
77#endif
78
79#ifdef REPLACE_GETOPT
80int opterr = 1; /* if error message should be printed */
81int optind = 1; /* index into parent argv vector */
82int optopt = '?'; /* character checked for validity */
83int optreset; /* reset getopt */

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107static char *place = EMSG; /* option letter processing */
108
109/* XXX: set optreset to 1 rather than these two */
110static int nonopt_start = -1; /* first non option argument (for permute) */
111static int nonopt_end = -1; /* first option after non options (for permute) */
112
113/* Error messages */
114static const char recargchar[] = "option requires an argument -- %c";
115/* From P1003.2 */
116static const char illoptchar[] = "illegal option -- %c";
117#ifdef GNU_COMPATIBLE
118static const char gnuoptchar[] = "invalid option -- %c";
119
120static const char recargstring[] = "option `--%s' requires an argument";
121static const char ambig[] = "option `--%.*s' is ambiguous";
122static const char noarg[] = "option `--%.*s' doesn't allow an argument";
123static const char illoptstring[] = "unrecognized option `--%s'";
124#else
113static const char recargstring[] = "option requires an argument -- %s";
114static const char ambig[] = "ambiguous option -- %.*s";
115static const char noarg[] = "option doesn't take an argument -- %.*s";
125static const char recargstring[] = "option requires an argument -- %s";
126static const char ambig[] = "ambiguous option -- %.*s";
127static const char noarg[] = "option doesn't take an argument -- %.*s";
116static const char illoptchar[] = "unknown option -- %c";
117static const char illoptstring[] = "unknown option -- %s";
128static const char illoptstring[] = "unknown option -- %s";
129#endif
118
119/*
120 * Compute the greatest common divisor of a and b.
121 */
122static int
123gcd(int a, int b)
124{
125 int c;

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295 * Parse argc/argv argument vector. Called by user level routines.
296 */
297static int
298getopt_internal(int nargc, char * const *nargv, const char *options,
299 const struct option *long_options, int *idx, int flags)
300{
301 char *oli; /* option letter list index */
302 int optchar, short_too;
130
131/*
132 * Compute the greatest common divisor of a and b.
133 */
134static int
135gcd(int a, int b)
136{
137 int c;

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307 * Parse argc/argv argument vector. Called by user level routines.
308 */
309static int
310getopt_internal(int nargc, char * const *nargv, const char *options,
311 const struct option *long_options, int *idx, int flags)
312{
313 char *oli; /* option letter list index */
314 int optchar, short_too;
303 static int posixly_correct = -1;
315 int posixly_correct;
304
305 if (options == NULL)
306 return (-1);
307
308 /*
309 * Disable GNU extensions if POSIXLY_CORRECT is set or options
310 * string begins with a '+'.
311 */
316
317 if (options == NULL)
318 return (-1);
319
320 /*
321 * Disable GNU extensions if POSIXLY_CORRECT is set or options
322 * string begins with a '+'.
323 */
312 if (posixly_correct == -1)
313 posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
324 posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
325#ifdef GNU_COMPATIBLE
326 if (*options == '-')
327 flags |= FLAG_ALLARGS;
328 else if (posixly_correct || *options == '+')
329 flags &= ~FLAG_PERMUTE;
330#else
314 if (posixly_correct || *options == '+')
315 flags &= ~FLAG_PERMUTE;
331 if (posixly_correct || *options == '+')
332 flags &= ~FLAG_PERMUTE;
316 /*
317 * Code "else if (*options == '-')" was here.
318 * Try to be more GNU compatible, configure's use us!
319 */
320 if (*options == '-')
333 else if (*options == '-')
321 flags |= FLAG_ALLARGS;
334 flags |= FLAG_ALLARGS;
335#endif
322 if (*options == '+' || *options == '-')
323 options++;
324
325 /*
326 * XXX Some GNU programs (like cvs) set optind to 0 instead of
327 * XXX using optreset. Work around this braindamage.
328 */
329 if (optind == 0)

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437 * If the user specified "-" and '-' isn't listed in
438 * options, return -1 (non-option) as per POSIX.
439 * Otherwise, it is an unknown option character (or ':').
440 */
441 if (optchar == (int)'-' && *place == '\0')
442 return (-1);
443 if (!*place)
444 ++optind;
336 if (*options == '+' || *options == '-')
337 options++;
338
339 /*
340 * XXX Some GNU programs (like cvs) set optind to 0 instead of
341 * XXX using optreset. Work around this braindamage.
342 */
343 if (optind == 0)

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451 * If the user specified "-" and '-' isn't listed in
452 * options, return -1 (non-option) as per POSIX.
453 * Otherwise, it is an unknown option character (or ':').
454 */
455 if (optchar == (int)'-' && *place == '\0')
456 return (-1);
457 if (!*place)
458 ++optind;
459#ifdef GNU_COMPATIBLE
445 if (PRINT_ERROR)
460 if (PRINT_ERROR)
461 warnx(posixly_correct ? illoptchar : gnuoptchar,
462 optchar);
463#else
464 if (PRINT_ERROR)
446 warnx(illoptchar, optchar);
465 warnx(illoptchar, optchar);
466#endif
447 optopt = optchar;
448 return (BADCH);
449 }
450 if (long_options != NULL && optchar == 'W' && oli[1] == ';') {
451 /* -W long-option */
452 if (*place) /* no space */
453 /* NOTHING */;
454 else if (++optind >= nargc) { /* no arg */

--- 100 unchanged lines hidden --- 		467 optopt = optchar;
468 return (BADCH);
469 }
470 if (long_options != NULL && optchar == 'W' && oli[1] == ';') {
471 /* -W long-option */
472 if (*place) /* no space */
473 /* NOTHING */;
474 else if (++optind >= nargc) { /* no arg */

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