diff options
Diffstat (limited to 'getopt.c')
| -rw-r--r-- | getopt.c | 72 |
1 files changed, 47 insertions, 25 deletions
@@ -2,7 +2,8 @@ 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) 1987-1996,1998-2004,2008 Free Software Foundation, Inc. + Copyright (C) 1987-1996,1998-2004,2008,2009,2010 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -17,8 +18,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA. */ /* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>. Ditto for AIX 3.2 and <stdlib.h>. */ @@ -270,7 +271,7 @@ exchange (char **argv, struct _getopt_data *d) static const char * _getopt_initialize (int argc, char *const *argv, const char *optstring, - struct _getopt_data *d) + 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 @@ -280,7 +281,7 @@ _getopt_initialize (int argc, char *const *argv, const char *optstring, d->__nextchar = NULL; - d->__posixly_correct = !!getenv ("POSIXLY_CORRECT"); + d->__posixly_correct = posixly_correct | !!getenv ("POSIXLY_CORRECT"); /* Determine how to handle the ordering of options and nonoptions. */ @@ -391,11 +392,9 @@ _getopt_initialize (int argc, char *const *argv, const char *optstring, int _getopt_internal_r (int argc, char *const *argv, const char *optstring, const struct option *longopts, int *longind, - int long_only, struct _getopt_data *d) + int long_only, struct _getopt_data *d, int posixly_correct) { int print_errors = d->opterr; - if (optstring[0] == ':') - print_errors = 0; if (argc < 1) return -1; @@ -406,9 +405,14 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, { if (d->optind == 0) d->optind = 1; /* Don't scan ARGV[0], the program name. */ - optstring = _getopt_initialize (argc, argv, optstring, d); + optstring = _getopt_initialize (argc, argv, optstring, d, + posixly_correct); d->__initialized = 1; } + else if (optstring[0] == '-' || optstring[0] == '+') + optstring++; + if (optstring[0] == ':') + print_errors = 0; /* Test whether ARGV[optind] points to a non-option argument. Either it does not have option syntax, or there is an environment flag @@ -678,8 +682,8 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, char *buf; if (__asprintf (&buf, _("\ -%s: option '%s' requires an argument\n"), - argv[0], argv[d->optind - 1]) >= 0) +%s: option '--%s' requires an argument\n"), + argv[0], pfound->name) >= 0) { _IO_flockfile (stderr); @@ -696,8 +700,8 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, } #else fprintf (stderr, - _("%s: option '%s' requires an argument\n"), - argv[0], argv[d->optind - 1]); + _("%s: option '--%s' requires an argument\n"), + argv[0], pfound->name); #endif } d->__nextchar += strlen (d->__nextchar); @@ -787,7 +791,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, if (*d->__nextchar == '\0') ++d->optind; - if (temp == NULL || c == ':') + if (temp == NULL || c == ':' || c == ';') { if (print_errors) { @@ -909,7 +913,10 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, pfound = p; indfound = option_index; } - else + 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; } @@ -921,7 +928,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, char *buf; if (__asprintf (&buf, _("%s: option '-W %s' is ambiguous\n"), - argv[0], argv[d->optind]) >= 0) + argv[0], d->optarg) >= 0) { _IO_flockfile (stderr); @@ -937,7 +944,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, } #else fprintf (stderr, _("%s: option '-W %s' is ambiguous\n"), - argv[0], argv[d->optind]); + argv[0], d->optarg); #endif } d->__nextchar += strlen (d->__nextchar); @@ -1000,8 +1007,8 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, char *buf; if (__asprintf (&buf, _("\ -%s: option '%s' requires an argument\n"), - argv[0], argv[d->optind - 1]) >= 0) +%s: option '-W %s' requires an argument\n"), + argv[0], pfound->name) >= 0) { _IO_flockfile (stderr); @@ -1017,15 +1024,17 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, free (buf); } #else - fprintf (stderr, - _("%s: option '%s' requires an argument\n"), - argv[0], argv[d->optind - 1]); + fprintf (stderr, _("\ +%s: option '-W %s' requires an argument\n"), + argv[0], pfound->name); #endif } d->__nextchar += strlen (d->__nextchar); return optstring[0] == ':' ? ':' : '?'; } } + else + d->optarg = NULL; d->__nextchar += strlen (d->__nextchar); if (longind != NULL) *longind = option_index; @@ -1111,7 +1120,8 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, int _getopt_internal (int argc, char *const *argv, const char *optstring, - const struct option *longopts, int *longind, int long_only) + const struct option *longopts, int *longind, int long_only, + int posixly_correct) { int result; @@ -1119,7 +1129,8 @@ _getopt_internal (int argc, char *const *argv, const char *optstring, getopt_data.opterr = opterr; result = _getopt_internal_r (argc, argv, optstring, longopts, - longind, long_only, &getopt_data); + longind, long_only, &getopt_data, + posixly_correct); optind = getopt_data.optind; optarg = getopt_data.optarg; @@ -1134,9 +1145,20 @@ getopt (int argc, char *const *argv, const char *optstring) return _getopt_internal (argc, argv, optstring, (const struct option *) 0, (int *) 0, - 0); + 0, 0); } +#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 + #endif /* Not ELIDE_CODE. */ #ifdef TEST |