diff options
Diffstat (limited to 'gl/getopt.c')
| -rw-r--r-- | gl/getopt.c | 1275 |
1 files changed, 637 insertions, 638 deletions
diff --git a/gl/getopt.c b/gl/getopt.c index f1e6d1f7..aaabc8d1 100644 --- a/gl/getopt.c +++ b/gl/getopt.c @@ -1,9 +1,9 @@ /* Getopt for GNU. - NOTE: getopt is now part of the C library, so if you don't know what + NOTE: getopt is part of the C library, so if you don't know what "Keep this file name-space clean" means, talk to drepper@gnu.org before changing it! - Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002,2003,2004,2006,2008 - Free Software Foundation, Inc. + Copyright (C) 1987-1996, 1998-2004, 2006, 2008-2010 Free Software + Foundation, Inc. This file is part of the GNU C Library. This program is free software: you can redistribute it and/or modify @@ -41,12 +41,9 @@ # include <wchar.h> #endif -#ifndef attribute_hidden -# define attribute_hidden -#endif - -/* Unlike standard Unix `getopt', functions like `getopt_long' - let the user intersperse the options with the other arguments. +/* This version of `getopt' appears to the caller like standard Unix `getopt' + but it behaves differently for the user, since it allows the user + to intersperse the options with the other arguments. As `getopt_long' works, it permutes the elements of ARGV so that, when it is done, all the options precede everything else. Thus @@ -54,7 +51,7 @@ Using `getopt' or setting the environment variable POSIXLY_CORRECT disables permutation. - Then the application's behavior is completely standard. + Then the behavior is completely standard. GNU application programs can use a third alternative mode in which they can distinguish the relative order of options and other arguments. */ @@ -121,18 +118,18 @@ extern char *__getopt_nonoption_flags; # ifdef USE_NONOPTION_FLAGS # define SWAP_FLAGS(ch1, ch2) \ - if (d->__nonoption_flags_len > 0) \ - { \ - char __tmp = __getopt_nonoption_flags[ch1]; \ - __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \ - __getopt_nonoption_flags[ch2] = __tmp; \ + if (d->__nonoption_flags_len > 0) \ + { \ + char __tmp = __getopt_nonoption_flags[ch1]; \ + __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \ + __getopt_nonoption_flags[ch2] = __tmp; \ } # else # define SWAP_FLAGS(ch1, ch2) # endif -#else /* !_LIBC */ +#else /* !_LIBC */ # define SWAP_FLAGS(ch1, ch2) -#endif /* _LIBC */ +#endif /* _LIBC */ /* Exchange two adjacent subsequences of ARGV. One subsequence is elements [first_nonopt,last_nonopt) @@ -163,57 +160,57 @@ exchange (char **argv, struct _getopt_data *d) if (d->__nonoption_flags_len > 0 && top >= d->__nonoption_flags_max_len) { /* We must extend the array. The user plays games with us and - presents new arguments. */ + presents new arguments. */ char *new_str = malloc (top + 1); if (new_str == NULL) - d->__nonoption_flags_len = d->__nonoption_flags_max_len = 0; + d->__nonoption_flags_len = d->__nonoption_flags_max_len = 0; else - { - memset (__mempcpy (new_str, __getopt_nonoption_flags, - d->__nonoption_flags_max_len), - '\0', top + 1 - d->__nonoption_flags_max_len); - d->__nonoption_flags_max_len = top + 1; - __getopt_nonoption_flags = new_str; - } + { + memset (__mempcpy (new_str, __getopt_nonoption_flags, + d->__nonoption_flags_max_len), + '\0', top + 1 - d->__nonoption_flags_max_len); + d->__nonoption_flags_max_len = top + 1; + __getopt_nonoption_flags = new_str; + } } #endif while (top > middle && middle > bottom) { if (top - middle > middle - bottom) - { - /* Bottom segment is the short one. */ - int len = middle - bottom; - register int i; - - /* Swap it with the top part of the top segment. */ - for (i = 0; i < len; i++) - { - tem = argv[bottom + i]; - argv[bottom + i] = argv[top - (middle - bottom) + i]; - argv[top - (middle - bottom) + i] = tem; - SWAP_FLAGS (bottom + i, top - (middle - bottom) + i); - } - /* Exclude the moved bottom segment from further swapping. */ - top -= len; - } + { + /* Bottom segment is the short one. */ + int len = middle - bottom; + register int i; + + /* Swap it with the top part of the top segment. */ + for (i = 0; i < len; i++) + { + tem = argv[bottom + i]; + argv[bottom + i] = argv[top - (middle - bottom) + i]; + argv[top - (middle - bottom) + i] = tem; + SWAP_FLAGS (bottom + i, top - (middle - bottom) + i); + } + /* Exclude the moved bottom segment from further swapping. */ + top -= len; + } else - { - /* Top segment is the short one. */ - int len = top - middle; - register int i; - - /* Swap it with the bottom part of the bottom segment. */ - for (i = 0; i < len; i++) - { - tem = argv[bottom + i]; - argv[bottom + i] = argv[middle + i]; - argv[middle + i] = tem; - SWAP_FLAGS (bottom + i, middle + i); - } - /* Exclude the moved top segment from further swapping. */ - bottom += len; - } + { + /* Top segment is the short one. */ + int len = top - middle; + register int i; + + /* Swap it with the bottom part of the bottom segment. */ + for (i = 0; i < len; i++) + { + tem = argv[bottom + i]; + argv[bottom + i] = argv[middle + i]; + argv[middle + i] = tem; + SWAP_FLAGS (bottom + i, middle + i); + } + /* Exclude the moved top segment from further swapping. */ + bottom += len; + } } /* Update records for the slots the non-options now occupy. */ @@ -225,8 +222,9 @@ exchange (char **argv, struct _getopt_data *d) /* Initialize the internal data when the first call is made. */ static const char * -_getopt_initialize (int argc, char **argv, const char *optstring, - int posixly_correct, struct _getopt_data *d) +_getopt_initialize (int argc _GL_UNUSED, + char **argv _GL_UNUSED, const char *optstring, + struct _getopt_data *d, int posixly_correct) { /* Start processing options with ARGV-element 1 (since ARGV-element 0 is the program name); the sequence of previously skipped @@ -260,25 +258,25 @@ _getopt_initialize (int argc, char **argv, const char *optstring, && argc == __libc_argc && argv == __libc_argv) { if (d->__nonoption_flags_max_len == 0) - { - if (__getopt_nonoption_flags == NULL - || __getopt_nonoption_flags[0] == '\0') - d->__nonoption_flags_max_len = -1; - else - { - const char *orig_str = __getopt_nonoption_flags; - int len = d->__nonoption_flags_max_len = strlen (orig_str); - if (d->__nonoption_flags_max_len < argc) - d->__nonoption_flags_max_len = argc; - __getopt_nonoption_flags = - (char *) malloc (d->__nonoption_flags_max_len); - if (__getopt_nonoption_flags == NULL) - d->__nonoption_flags_max_len = -1; - else - memset (__mempcpy (__getopt_nonoption_flags, orig_str, len), - '\0', d->__nonoption_flags_max_len - len); - } - } + { + if (__getopt_nonoption_flags == NULL + || __getopt_nonoption_flags[0] == '\0') + d->__nonoption_flags_max_len = -1; + else + { + const char *orig_str = __getopt_nonoption_flags; + int len = d->__nonoption_flags_max_len = strlen (orig_str); + if (d->__nonoption_flags_max_len < argc) + d->__nonoption_flags_max_len = argc; + __getopt_nonoption_flags = + (char *) malloc (d->__nonoption_flags_max_len); + if (__getopt_nonoption_flags == NULL) + d->__nonoption_flags_max_len = -1; + else + memset (__mempcpy (__getopt_nonoption_flags, orig_str, len), + '\0', d->__nonoption_flags_max_len - len); + } + } d->__nonoption_flags_len = d->__nonoption_flags_max_len; } else @@ -330,6 +328,10 @@ _getopt_initialize (int argc, char **argv, const char *optstring, `flag' field is nonzero, the value of the option's `val' field if the `flag' field is zero. + The elements of ARGV aren't really const, because we permute them. + But we pretend they're const in the prototype to be compatible + with other systems. + LONGOPTS is a vector of `struct option' terminated by an element containing a name which is zero. @@ -338,15 +340,12 @@ _getopt_initialize (int argc, char **argv, const char *optstring, recent call. If LONG_ONLY is nonzero, '-' as well as '--' can introduce - long-named options. - - If POSIXLY_CORRECT is nonzero, behave as if the POSIXLY_CORRECT - environment variable were set. */ + long-named options. */ int _getopt_internal_r (int argc, char **argv, const char *optstring, - const struct option *longopts, int *longind, - int long_only, int posixly_correct, struct _getopt_data *d) + const struct option *longopts, int *longind, + int long_only, struct _getopt_data *d, int posixly_correct) { int print_errors = d->opterr; if (optstring[0] == ':') @@ -360,9 +359,9 @@ _getopt_internal_r (int argc, char **argv, const char *optstring, if (d->optind == 0 || !d->__initialized) { if (d->optind == 0) - d->optind = 1; /* Don't scan ARGV[0], the program name. */ - optstring = _getopt_initialize (argc, argv, optstring, - posixly_correct, d); + d->optind = 1; /* Don't scan ARGV[0], the program name. */ + optstring = _getopt_initialize (argc, argv, optstring, d, + posixly_correct); d->__initialized = 1; } @@ -372,8 +371,8 @@ _getopt_internal_r (int argc, char **argv, const char *optstring, is only used when the used in the GNU libc. */ #if defined _LIBC && defined USE_NONOPTION_FLAGS # define NONOPTION_P (argv[d->optind][0] != '-' || argv[d->optind][1] == '\0' \ - || (d->optind < d->__nonoption_flags_len \ - && __getopt_nonoption_flags[d->optind] == '1')) + || (d->optind < d->__nonoption_flags_len \ + && __getopt_nonoption_flags[d->optind] == '1')) #else # define NONOPTION_P (argv[d->optind][0] != '-' || argv[d->optind][1] == '\0') #endif @@ -383,78 +382,78 @@ _getopt_internal_r (int argc, char **argv, const char *optstring, /* Advance to the next ARGV-element. */ /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been - moved back by the user (who may also have changed the arguments). */ + moved back by the user (who may also have changed the arguments). */ if (d->__last_nonopt > d->optind) - d->__last_nonopt = d->optind; + d->__last_nonopt = d->optind; if (d->__first_nonopt > d->optind) - d->__first_nonopt = d->optind; + d->__first_nonopt = d->optind; if (d->__ordering == PERMUTE) - { - /* If we have just processed some options following some non-options, - exchange them so that the options come first. */ + { + /* If we have just processed some options following some non-options, + exchange them so that the options come first. */ - if (d->__first_nonopt != d->__last_nonopt - && d->__last_nonopt != d->optind) - exchange ((char **) argv, d); - else if (d->__last_nonopt != d->optind) - d->__first_nonopt = d->optind; + if (d->__first_nonopt != d->__last_nonopt + && d->__last_nonopt != d->optind) + exchange ((char **) argv, d); + else if (d->__last_nonopt != d->optind) + d->__first_nonopt = d->optind; - /* Skip any additional non-options - and extend the range of non-options previously skipped. */ + /* Skip any additional non-options + and extend the range of non-options previously skipped. */ - while (d->optind < argc && NONOPTION_P) - d->optind++; - d->__last_nonopt = d->optind; - } + while (d->optind < argc && NONOPTION_P) + d->optind++; + d->__last_nonopt = d->optind; + } /* The special ARGV-element `--' means premature end of options. - Skip it like a null option, - then exchange with previous non-options as if it were an option, - then skip everything else like a non-option. */ + Skip it like a null option, + then exchange with previous non-options as if it were an option, + then skip everything else like a non-option. */ if (d->optind != argc && !strcmp (argv[d->optind], "--")) - { - d->optind++; + { + d->optind++; - if (d->__first_nonopt != d->__last_nonopt - && d->__last_nonopt != d->optind) - exchange ((char **) argv, d); - else if (d->__first_nonopt == d->__last_nonopt) - d->__first_nonopt = d->optind; - d->__last_nonopt = argc; + if (d->__first_nonopt != d->__last_nonopt + && d->__last_nonopt != d->optind) + exchange ((char **) argv, d); + else if (d->__first_nonopt == d->__last_nonopt) + d->__first_nonopt = d->optind; + d->__last_nonopt = argc; - d->optind = argc; - } + d->optind = argc; + } /* If we have done all the ARGV-elements, stop the scan - and back over any non-options that we skipped and permuted. */ + and back over any non-options that we skipped and permuted. */ if (d->optind == argc) - { - /* Set the next-arg-index to point at the non-options - that we previously skipped, so the caller will digest them. */ - if (d->__first_nonopt != d->__last_nonopt) - d->optind = d->__first_nonopt; - return -1; - } + { + /* Set the next-arg-index to point at the non-options + that we previously skipped, so the caller will digest them. */ + if (d->__first_nonopt != d->__last_nonopt) + d->optind = d->__first_nonopt; + return -1; + } /* If we have come to a non-option and did not permute it, - either stop the scan or describe it to the caller and pass it by. */ + either stop the scan or describe it to the caller and pass it by. */ if (NONOPTION_P) - { - if (d->__ordering == REQUIRE_ORDER) - return -1; - d->optarg = argv[d->optind++]; - return 1; - } + { + if (d->__ordering == REQUIRE_ORDER) + return -1; + d->optarg = argv[d->optind++]; + return 1; + } /* We have found another option-ARGV-element. - Skip the initial punctuation. */ + Skip the initial punctuation. */ d->__nextchar = (argv[d->optind] + 1 - + (longopts != NULL && argv[d->optind][1] == '-')); + + (longopts != NULL && argv[d->optind][1] == '-')); } /* Decode the current option-ARGV-element. */ @@ -474,8 +473,8 @@ _getopt_internal_r (int argc, char **argv, const char *optstring, if (longopts != NULL && (argv[d->optind][1] == '-' - || (long_only && (argv[d->optind][2] - || !strchr (optstring, argv[d->optind][1]))))) + || (long_only && (argv[d->optind][2] + || !strchr (optstring, argv[d->optind][1]))))) { char *nameend; const struct option *p; @@ -486,251 +485,251 @@ _getopt_internal_r (int argc, char **argv, const char *optstring, int option_index; for (nameend = d->__nextchar; *nameend && *nameend != '='; nameend++) - /* Do nothing. */ ; + /* Do nothing. */ ; /* Test all long options for either exact match - or abbreviated matches. */ + or abbreviated matches. */ for (p = longopts, option_index = 0; p->name; p++, option_index++) - if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar)) - { - if ((unsigned int) (nameend - d->__nextchar) - == (unsigned int) strlen (p->name)) - { - /* Exact match found. */ - pfound = p; - indfound = option_index; - exact = 1; - break; - } - else if (pfound == NULL) - { - /* First nonexact match found. */ - pfound = p; - indfound = option_index; - } - else if (long_only - || pfound->has_arg != p->has_arg - || pfound->flag != p->flag - || pfound->val != p->val) - /* Second or later nonexact match found. */ - ambig = 1; - } + if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar)) + { + if ((unsigned int) (nameend - d->__nextchar) + == (unsigned int) strlen (p->name)) + { + /* Exact match found. */ + pfound = p; + indfound = option_index; + exact = 1; + break; + } + else if (pfound == NULL) + { + /* First nonexact match found. */ + pfound = p; + indfound = option_index; + } + else if (long_only + || pfound->has_arg != p->has_arg + || pfound->flag != p->flag + || pfound->val != p->val) + /* Second or later nonexact match found. */ + ambig = 1; + } if (ambig && !exact) - { - if (print_errors) - { + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; + char *buf; - if (__asprintf (&buf, _("%s: option `%s' is ambiguous\n"), - argv[0], argv[d->optind]) >= 0) - { - _IO_flockfile (stderr); + if (__asprintf (&buf, _("%s: option '%s' is ambiguous\n"), + argv[0], argv[d->optind]) >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #else - fprintf (stderr, _("%s: option `%s' is ambiguous\n"), - argv[0], argv[d->optind]); + fprintf (stderr, _("%s: option '%s' is ambiguous\n"), + argv[0], argv[d->optind]); #endif - } - d->__nextchar += strlen (d->__nextchar); - d->optind++; - d->optopt = 0; - return '?'; - } + } + d->__nextchar += strlen (d->__nextchar); + d->optind++; + d->optopt = 0; + return '?'; + } if (pfound != NULL) - { - option_index = indfound; - d->optind++; - if (*nameend) - { - /* Don't test has_arg with >, because some C compilers don't - allow it to be used on enums. */ - if (pfound->has_arg) - d->optarg = nameend + 1; - else - { - if (print_errors) - { + { + option_index = indfound; + d->optind++; + if (*nameend) + { + /* Don't test has_arg with >, because some C compilers don't + allow it to be used on enums. */ + if (pfound->has_arg) + d->optarg = nameend + 1; + else + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; - int n; + char *buf; + int n; #endif - if (argv[d->optind - 1][1] == '-') - { - /* --option */ + if (argv[d->optind - 1][1] == '-') + { + /* --option */ #if defined _LIBC && defined USE_IN_LIBIO - n = __asprintf (&buf, _("\ -%s: option `--%s' doesn't allow an argument\n"), - argv[0], pfound->name); + n = __asprintf (&buf, _("\ +%s: option '--%s' doesn't allow an argument\n"), + argv[0], pfound->name); #else - fprintf (stderr, _("\ -%s: option `--%s' doesn't allow an argument\n"), - argv[0], pfound->name); + fprintf (stderr, _("\ +%s: option '--%s' doesn't allow an argument\n"), + argv[0], pfound->name); #endif - } - else - { - /* +option or -option */ + } + else + { + /* +option or -option */ #if defined _LIBC && defined USE_IN_LIBIO - n = __asprintf (&buf, _("\ -%s: option `%c%s' doesn't allow an argument\n"), - argv[0], argv[d->optind - 1][0], - pfound->name); + n = __asprintf (&buf, _("\ +%s: option '%c%s' doesn't allow an argument\n"), + argv[0], argv[d->optind - 1][0], + pfound->name); #else - fprintf (stderr, _("\ -%s: option `%c%s' doesn't allow an argument\n"), - argv[0], argv[d->optind - 1][0], - pfound->name); + fprintf (stderr, _("\ +%s: option '%c%s' doesn't allow an argument\n"), + argv[0], argv[d->optind - 1][0], + pfound->name); #endif - } + } #if defined _LIBC && defined USE_IN_LIBIO - if (n >= 0) - { - _IO_flockfile (stderr); + if (n >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 - |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 + |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #endif - } - - d->__nextchar += strlen (d->__nextchar); - - d->optopt = pfound->val; - return '?'; - } - } - else if (pfound->has_arg == 1) - { - if (d->optind < argc) - d->optarg = argv[d->optind++]; - else - { - if (print_errors) - { + } + + d->__nextchar += strlen (d->__nextchar); + + d->optopt = pfound->val; + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (d->optind < argc) + d->optarg = argv[d->optind++]; + else + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; + char *buf; - if (__asprintf (&buf, _("\ -%s: option `%s' requires an argument\n"), - argv[0], argv[d->optind - 1]) >= 0) - { - _IO_flockfile (stderr); + if (__asprintf (&buf, _("\ +%s: option '%s' requires an argument\n"), + argv[0], argv[d->optind - 1]) >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 - |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 + |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #else - fprintf (stderr, - _("%s: option `%s' requires an argument\n"), - argv[0], argv[d->optind - 1]); + fprintf (stderr, + _("%s: option '%s' requires an argument\n"), + argv[0], argv[d->optind - 1]); #endif - } - d->__nextchar += strlen (d->__nextchar); - d->optopt = pfound->val; - return optstring[0] == ':' ? ':' : '?'; - } - } - d->__nextchar += strlen (d->__nextchar); - if (longind != NULL) - *longind = option_index; - if (pfound->flag) - { - *(pfound->flag) = pfound->val; - return 0; - } - return pfound->val; - } + } + d->__nextchar += strlen (d->__nextchar); + d->optopt = pfound->val; + return optstring[0] == ':' ? ':' : '?'; + } + } + d->__nextchar += strlen (d->__nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) + { + *(pfound->flag) = pfound->val; + return 0; + } + return pfound->val; + } /* Can't find it as a long option. If this is not getopt_long_only, - or the option starts with '--' or is not a valid short - option, then it's an error. - Otherwise interpret it as a short option. */ + or the option starts with '--' or is not a valid short + option, then it's an error. + Otherwise interpret it as a short option. */ if (!long_only || argv[d->optind][1] == '-' - || strchr (optstring, *d->__nextchar) == NULL) - { - if (print_errors) - { + || strchr (optstring, *d->__nextchar) == NULL) + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; - int n; + char *buf; + int n; #endif - if (argv[d->optind][1] == '-') - { - /* --option */ + if (argv[d->optind][1] == '-') + { + /* --option */ #if defined _LIBC && defined USE_IN_LIBIO - n = __asprintf (&buf, _("%s: unrecognized option `--%s'\n"), - argv[0], d->__nextchar); + n = __asprintf (&buf, _("%s: unrecognized option '--%s'\n"), + argv[0], d->__nextchar); #else - fprintf (stderr, _("%s: unrecognized option `--%s'\n"), - argv[0], d->__nextchar); + fprintf (stderr, _("%s: unrecognized option '--%s'\n"), + argv[0], d->__nextchar); #endif - } - else - { - /* +option or -option */ + } + else + { + /* +option or -option */ #if defined _LIBC && defined USE_IN_LIBIO - n = __asprintf (&buf, _("%s: unrecognized option `%c%s'\n"), - argv[0], argv[d->optind][0], d->__nextchar); + n = __asprintf (&buf, _("%s: unrecognized option '%c%s'\n"), + argv[0], argv[d->optind][0], d->__nextchar); #else - fprintf (stderr, _("%s: unrecognized option `%c%s'\n"), - argv[0], argv[d->optind][0], d->__nextchar); + fprintf (stderr, _("%s: unrecognized option '%c%s'\n"), + argv[0], argv[d->optind][0], d->__nextchar); #endif - } + } #if defined _LIBC && defined USE_IN_LIBIO - if (n >= 0) - { - _IO_flockfile (stderr); + if (n >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #endif - } - d->__nextchar = (char *) ""; - d->optind++; - d->optopt = 0; - return '?'; - } + } + d->__nextchar = (char *) ""; + d->optind++; + d->optopt = 0; + return '?'; + } } /* Look at and handle the next short option-character. */ @@ -745,335 +744,321 @@ _getopt_internal_r (int argc, char **argv, const char *optstring, if (temp == NULL || c == ':') { - if (print_errors) - { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; - int n; + char *buf; + int n; #endif - if (d->__posixly_correct) - { - /* 1003.2 specifies the format of this message. */ -#if defined _LIBC && defined USE_IN_LIBIO - n = __asprintf (&buf, _("%s: illegal option -- %c\n"), - argv[0], c); -#else - fprintf (stderr, _("%s: illegal option -- %c\n"), argv[0], c); -#endif - } - else - { #if defined _LIBC && defined USE_IN_LIBIO - n = __asprintf (&buf, _("%s: invalid option -- %c\n"), - argv[0], c); + n = __asprintf (&buf, _("%s: invalid option -- '%c'\n"), + argv[0], c); #else - fprintf (stderr, _("%s: invalid option -- %c\n"), argv[0], c); + fprintf (stderr, _("%s: invalid option -- '%c'\n"), argv[0], c); #endif - } #if defined _LIBC && defined USE_IN_LIBIO - if (n >= 0) - { - _IO_flockfile (stderr); + if (n >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #endif - } - d->optopt = c; - return '?'; + } + d->optopt = c; + return '?'; } /* Convenience. Treat POSIX -W foo same as long option --foo */ if (temp[0] == 'W' && temp[1] == ';') { - char *nameend; - const struct option *p; - const struct option *pfound = NULL; - int exact = 0; - int ambig = 0; - int indfound = 0; - int option_index; - - /* This is an option that requires an argument. */ - if (*d->__nextchar != '\0') - { - d->optarg = d->__nextchar; - /* If we end this ARGV-element by taking the rest as an arg, - we must advance to the next element now. */ - d->optind++; - } - else if (d->optind == argc) - { - if (print_errors) - { - /* 1003.2 specifies the format of this message. */ + char *nameend; + const struct option *p; + const struct option *pfound = NULL; + int exact = 0; + int ambig = 0; + int indfound = 0; + int option_index; + + /* This is an option that requires an argument. */ + if (*d->__nextchar != '\0') + { + d->optarg = d->__nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + d->optind++; + } + else if (d->optind == argc) + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; + char *buf; - if (__asprintf (&buf, - _("%s: option requires an argument -- %c\n"), - argv[0], c) >= 0) - { - _IO_flockfile (stderr); + if (__asprintf (&buf, + _("%s: option requires an argument -- '%c'\n"), + argv[0], c) >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #else - fprintf (stderr, _("%s: option requires an argument -- %c\n"), - argv[0], c); + fprintf (stderr, + _("%s: option requires an argument -- '%c'\n"), + argv[0], c); #endif - } - d->optopt = c; - if (optstring[0] == ':') - c = ':'; - else - c = '?'; - return c; - } - else - /* We already incremented `d->optind' once; - increment it again when taking next ARGV-elt as argument. */ - d->optarg = argv[d->optind++]; - - /* optarg is now the argument, see if it's in the - table of longopts. */ - - for (d->__nextchar = nameend = d->optarg; *nameend && *nameend != '='; - nameend++) - /* Do nothing. */ ; - - /* Test all long options for either exact match - or abbreviated matches. */ - for (p = longopts, option_index = 0; p->name; p++, option_index++) - if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar)) - { - if ((unsigned int) (nameend - d->__nextchar) == strlen (p->name)) - { - /* Exact match found. */ - pfound = p; - indfound = option_index; - exact = 1; - break; - } - else if (pfound == NULL) - { - /* First nonexact match found. */ - pfound = p; - indfound = option_index; - } - else - /* Second or later nonexact match found. */ - ambig = 1; - } - if (ambig && !exact) - { - if (print_errors) - { + } + d->optopt = c; + if (optstring[0] == ':') + c = ':'; + else + c = '?'; + return c; + } + else + /* We already incremented `d->optind' once; + increment it again when taking next ARGV-elt as argument. */ + d->optarg = argv[d->optind++]; + + /* optarg is now the argument, see if it's in the + table of longopts. */ + + for (d->__nextchar = nameend = d->optarg; *nameend && *nameend != '='; + nameend++) + /* Do nothing. */ ; + + /* Test all long options for either exact match + or abbreviated matches. */ + for (p = longopts, option_index = 0; p->name; p++, option_index++) + if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar)) + { + if ((unsigned int) (nameend - d->__nextchar) == strlen (p->name)) + { + /* Exact match found. */ + pfound = p; + indfound = option_index; + exact = 1; + break; + } + else if (pfound == NULL) + { + /* First nonexact match found. */ + pfound = p; + indfound = option_index; + } + else + /* Second or later nonexact match found. */ + ambig = 1; + } + if (ambig && !exact) + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; + char *buf; - if (__asprintf (&buf, _("%s: option `-W %s' is ambiguous\n"), - argv[0], argv[d->optind]) >= 0) - { - _IO_flockfile (stderr); + if (__asprintf (&buf, _("%s: option '-W %s' is ambiguous\n"), + argv[0], argv[d->optind]) >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #else - fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"), - argv[0], argv[d->optind]); + fprintf (stderr, _("%s: option '-W %s' is ambiguous\n"), + argv[0], argv[d->optind]); #endif - } - d->__nextchar += strlen (d->__nextchar); - d->optind++; - return '?'; - } - if (pfound != NULL) - { - option_index = indfound; - if (*nameend) - { - /* Don't test has_arg with >, because some C compilers don't - allow it to be used on enums. */ - if (pfound->has_arg) - d->optarg = nameend + 1; - else - { - if (print_errors) - { + } + d->__nextchar += strlen (d->__nextchar); + d->optind++; + return '?'; + } + if (pfound != NULL) + { + option_index = indfound; + if (*nameend) + { + /* Don't test has_arg with >, because some C compilers don't + allow it to be used on enums. */ + if (pfound->has_arg) + d->optarg = nameend + 1; + else + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; + char *buf; - if (__asprintf (&buf, _("\ -%s: option `-W %s' doesn't allow an argument\n"), - argv[0], pfound->name) >= 0) - { - _IO_flockfile (stderr); + if (__asprintf (&buf, _("\ +%s: option '-W %s' doesn't allow an argument\n"), + argv[0], pfound->name) >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 - |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 + |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #else - fprintf (stderr, _("\ -%s: option `-W %s' doesn't allow an argument\n"), - argv[0], pfound->name); + fprintf (stderr, _("\ +%s: option '-W %s' doesn't allow an argument\n"), + argv[0], pfound->name); #endif - } - - d->__nextchar += strlen (d->__nextchar); - return '?'; - } - } - else if (pfound->has_arg == 1) - { - if (d->optind < argc) - d->optarg = argv[d->optind++]; - else - { - if (print_errors) - { + } + + d->__nextchar += strlen (d->__nextchar); + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (d->optind < argc) + d->optarg = argv[d->optind++]; + else + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; + char *buf; - if (__asprintf (&buf, _("\ -%s: option `%s' requires an argument\n"), - argv[0], argv[d->optind - 1]) >= 0) - { - _IO_flockfile (stderr); + if (__asprintf (&buf, _("\ +%s: option '%s' requires an argument\n"), + argv[0], argv[d->optind - 1]) >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 - |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 + |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #else - fprintf (stderr, - _("%s: option `%s' requires an argument\n"), - argv[0], argv[d->optind - 1]); + fprintf (stderr, + _("%s: option '%s' requires an argument\n"), + argv[0], argv[d->optind - 1]); #endif - } - d->__nextchar += strlen (d->__nextchar); - return optstring[0] == ':' ? ':' : '?'; - } - } - d->__nextchar += strlen (d->__nextchar); - if (longind != NULL) - *longind = option_index; - if (pfound->flag) - { - *(pfound->flag) = pfound->val; - return 0; - } - return pfound->val; - } - d->__nextchar = NULL; - return 'W'; /* Let the application handle it. */ + } + d->__nextchar += strlen (d->__nextchar); + return optstring[0] == ':' ? ':' : '?'; + } + } + d->__nextchar += strlen (d->__nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) + { + *(pfound->flag) = pfound->val; + return 0; + } + return pfound->val; + } + d->__nextchar = NULL; + return 'W'; /* Let the application handle it. */ } if (temp[1] == ':') { - if (temp[2] == ':') - { - /* This is an option that accepts an argument optionally. */ - if (*d->__nextchar != '\0') - { - d->optarg = d->__nextchar; - d->optind++; - } - else - d->optarg = NULL; - d->__nextchar = NULL; - } - else - { - /* This is an option that requires an argument. */ - if (*d->__nextchar != '\0') - { - d->optarg = d->__nextchar; - /* If we end this ARGV-element by taking the rest as an arg, - we must advance to the next element now. */ - d->optind++; - } - else if (d->optind == argc) - { - if (print_errors) - { - /* 1003.2 specifies the format of this message. */ + if (temp[2] == ':') + { + /* This is an option that accepts an argument optionally. */ + if (*d->__nextchar != '\0') + { + d->optarg = d->__nextchar; + d->optind++; + } + else + d->optarg = NULL; + d->__nextchar = NULL; + } + else + { + /* This is an option that requires an argument. */ + if (*d->__nextchar != '\0') + { + d->optarg = d->__nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + d->optind++; + } + else if (d->optind == argc) + { + if (print_errors) + { #if defined _LIBC && defined USE_IN_LIBIO - char *buf; + char *buf; - if (__asprintf (&buf, _("\ -%s: option requires an argument -- %c\n"), - argv[0], c) >= 0) - { - _IO_flockfile (stderr); + if (__asprintf (&buf, _("\ +%s: option requires an argument -- '%c'\n"), + argv[0], c) >= 0) + { + _IO_flockfile (stderr); - int old_flags2 = ((_IO_FILE *) stderr)->_flags2; - ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; - __fxprintf (NULL, "%s", buf); + __fxprintf (NULL, "%s", buf); - ((_IO_FILE *) stderr)->_flags2 = old_flags2; - _IO_funlockfile (stderr); + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); - free (buf); - } + free (buf); + } #else - fprintf (stderr, - _("%s: option requires an argument -- %c\n"), - argv[0], c); + fprintf (stderr, + _("%s: option requires an argument -- '%c'\n"), + argv[0], c); #endif - } - d->optopt = c; - if (optstring[0] == ':') - c = ':'; - else - c = '?'; - } - else - /* We already incremented `optind' once; - increment it again when taking next ARGV-elt as argument. */ - d->optarg = argv[d->optind++]; - d->__nextchar = NULL; - } + } + d->optopt = c; + if (optstring[0] == ':') + c = ':'; + else + c = '?'; + } + else + /* We already incremented `optind' once; + increment it again when taking next ARGV-elt as argument. */ + d->optarg = argv[d->optind++]; + d->__nextchar = NULL; + } } return c; } @@ -1081,16 +1066,17 @@ _getopt_internal_r (int argc, char **argv, const char *optstring, int _getopt_internal (int argc, char **argv, const char *optstring, - const struct option *longopts, int *longind, - int long_only, int posixly_correct) + const struct option *longopts, int *longind, int long_only, + int posixly_correct) { int result; getopt_data.optind = optind; getopt_data.opterr = opterr; - result = _getopt_internal_r (argc, argv, optstring, longopts, longind, - long_only, posixly_correct, &getopt_data); + result = _getopt_internal_r (argc, argv, optstring, longopts, + longind, long_only, &getopt_data, + posixly_correct); optind = getopt_data.optind; optarg = getopt_data.optarg; @@ -1110,10 +1096,23 @@ enum { POSIXLY_CORRECT = 1 }; int getopt (int argc, char *const *argv, const char *optstring) { - return _getopt_internal (argc, (char **) argv, optstring, NULL, NULL, 0, - POSIXLY_CORRECT); + return _getopt_internal (argc, (char **) argv, optstring, + (const struct option *) 0, + (int *) 0, + 0, POSIXLY_CORRECT); } +#ifdef _LIBC +int +__posix_getopt (int argc, char *const *argv, const char *optstring) +{ + return _getopt_internal (argc, argv, optstring, + (const struct option *) 0, + (int *) 0, + 0, 1); +} +#endif + #ifdef TEST @@ -1132,51 +1131,51 @@ main (int argc, char **argv) c = getopt (argc, argv, "abc:d:0123456789"); if (c == -1) - break; + break; switch (c) - { - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - if (digit_optind != 0 && digit_optind != this_option_optind) - printf ("digits occur in two different argv-elements.\n"); - digit_optind = this_option_optind; - printf ("option %c\n", c); - break; - - case 'a': - printf ("option a\n"); - break; - - case 'b': - printf ("option b\n"); - break; - - case 'c': - printf ("option c with value `%s'\n", optarg); - break; - - case '?': - break; - - default: - printf ("?? getopt returned character code 0%o ??\n", c); - } + { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + if (digit_optind != 0 && digit_optind != this_option_optind) + printf ("digits occur in two different argv-elements.\n"); + digit_optind = this_option_optind; + printf ("option %c\n", c); + break; + + case 'a': + printf ("option a\n"); + break; + + case 'b': + printf ("option b\n"); + break; + + case 'c': + printf ("option c with value '%s'\n", optarg); + break; + + case '?': + break; + + default: + printf ("?? getopt returned character code 0%o ??\n", c); + } } if (optind < argc) { printf ("non-option ARGV-elements: "); while (optind < argc) - printf ("%s ", argv[optind++]); + printf ("%s ", argv[optind++]); printf ("\n"); } |