/* Getopt for GNU.
NOTE: getopt is now part of the C library, so if you don't know what
- "Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu
+ "Keep this file name-space clean" means, talk to drepper@gnu.org
before changing it!
- Copyright (C) 1987, 88, 89, 90, 91, 92, 1993
- Free Software Foundation, Inc.
+ Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
+ Inc.
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any
- later version.
+ This file is part of the GNU C Library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
\f
-#ifdef HAVE_CONFIG_H
-/* We use <config.h> instead of "config.h" so that a compilation
- using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
- (which it would do because getopt.c was found in $srcdir). */
-#include <config.h>
-#endif
-
-#ifndef __STDC__
-/* This is a separate conditional since some stdc systems
- reject `defined (const)'. */
-#ifndef const
-#define const
-#endif
+/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
+ Ditto for AIX 3.2 and <stdlib.h>. */
+#ifndef _NO_PROTO
+# define _NO_PROTO
#endif
-/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>. */
-#ifndef _NO_PROTO
-#define _NO_PROTO
+#ifdef HAVE_CONFIG_H
+# include <config.h>
#endif
#include <stdio.h>
program understand `configure --with-gnu-libc' and omit the object files,
it is simpler to just do this in the source for each such file. */
-#if defined (_LIBC) || !defined (__GNU_LIBRARY__)
+#define GETOPT_INTERFACE_VERSION 2
+#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
+# include <gnu-versions.h>
+# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
+# define ELIDE_CODE
+# endif
+#endif
+
+#ifndef ELIDE_CODE
/* This needs to come after some library #include
#ifdef __GNU_LIBRARY__
/* Don't include stdlib.h for non-GNU C libraries because some of them
contain conflicting prototypes for getopt. */
-#include <stdlib.h>
+# include <stdlib.h>
+# include <unistd.h>
#endif /* GNU C library. */
-/* If GETOPT_COMPAT is defined, `+' as well as `--' can introduce a
- long-named option. Because this is not POSIX.2 compliant, it is
- being phased out. */
-/* #define GETOPT_COMPAT */
+#include <string.h>
+
+#ifdef VMS
+# include <unixlib.h>
+#endif
+
+#ifdef _LIBC
+# include <libintl.h>
+#else
+/* This is for other GNU distributions with internationalized messages. */
+# include "gettext.h"
+#endif
+#define _(msgid) gettext (msgid)
+
+#if defined _LIBC && defined USE_IN_LIBIO
+# include <wchar.h>
+#endif
+
+#ifndef attribute_hidden
+# define attribute_hidden
+#endif
/* This version of `getopt' appears to the caller like standard Unix `getopt'
but it behaves differently for the user, since it allows the user
Also, when `ordering' is RETURN_IN_ORDER,
each non-option ARGV-element is returned here. */
-char *optarg = 0;
+char *optarg;
/* Index in ARGV of the next element to be scanned.
This is used for communication to and from the caller
On entry to `getopt', zero means this is the first call; initialize.
- When `getopt' returns EOF, this is the index of the first of the
+ When `getopt' returns -1, this is the index of the first of the
non-option elements that the caller should itself scan.
Otherwise, `optind' communicates from one call to the next
how much of ARGV has been scanned so far. */
-/* XXX 1003.2 says this must be 1 before any call. */
-int optind = 0;
+/* 1003.2 says this must be 1 before any call. */
+int optind = 1;
+
+/* Formerly, initialization of getopt depended on optind==0, which
+ causes problems with re-calling getopt as programs generally don't
+ know that. */
+
+int __getopt_initialized attribute_hidden;
/* The next char to be scanned in the option-element
in which the last option character we returned was found.
The special argument `--' forces an end of option-scanning regardless
of the value of `ordering'. In the case of RETURN_IN_ORDER, only
- `--' can cause `getopt' to return EOF with `optind' != ARGC. */
+ `--' can cause `getopt' to return -1 with `optind' != ARGC. */
static enum
{
REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
} ordering;
+
+/* Value of POSIXLY_CORRECT environment variable. */
+static char *posixly_correct;
\f
-#ifdef __GNU_LIBRARY__
-/* We want to avoid inclusion of string.h with non-GNU libraries
- because there are many ways it can cause trouble.
- On some systems, it contains special magic macros that don't work
- in GCC. */
-#include <string.h>
-#define my_index strchr
-#else
+#ifndef __GNU_LIBRARY__
/* Avoid depending on library functions or files
whose names are inconsistent. */
-char *getenv ();
-
-static char *
-my_index (str, chr)
- const char *str;
- int chr;
-{
- while (*str)
- {
- if (*str == chr)
- return (char *) str;
- str++;
- }
- return 0;
-}
-
-/* If using GCC, we can safely declare strlen this way.
- If not using GCC, it is ok not to declare it.
- (Supposedly there are some machines where it might get a warning,
- but changing this conditional to __STDC__ is too risky.) */
-#ifdef __GNUC__
-#ifdef IN_GCC
-#include "gstddef.h"
-#else
-#include <stddef.h>
-#endif
-extern size_t strlen (const char *);
+#ifndef getenv
+extern char *getenv ();
#endif
-#endif /* GNU C library. */
+#endif /* not __GNU_LIBRARY__ */
\f
/* Handle permutation of arguments. */
static int first_nonopt;
static int last_nonopt;
+#ifdef _LIBC
+/* Stored original parameters.
+ XXX This is no good solution. We should rather copy the args so
+ that we can compare them later. But we must not use malloc(3). */
+extern int __libc_argc;
+extern char **__libc_argv;
+
+/* Bash 2.0 gives us an environment variable containing flags
+ indicating ARGV elements that should not be considered arguments. */
+
+# ifdef USE_NONOPTION_FLAGS
+/* Defined in getopt_init.c */
+extern char *__getopt_nonoption_flags;
+
+static int nonoption_flags_max_len;
+static int nonoption_flags_len;
+# endif
+
+# ifdef USE_NONOPTION_FLAGS
+# define SWAP_FLAGS(ch1, ch2) \
+ if (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 */
+# define SWAP_FLAGS(ch1, ch2)
+#endif /* _LIBC */
+
/* Exchange two adjacent subsequences of ARGV.
One subsequence is elements [first_nonopt,last_nonopt)
which contains all the non-options that have been skipped so far.
the new indices of the non-options in ARGV after they are moved. */
static void
-exchange (argv)
- char **argv;
+exchange (char **argv)
{
int bottom = first_nonopt;
int middle = last_nonopt;
It leaves the longer segment in the right place overall,
but it consists of two parts that need to be swapped next. */
+#if defined _LIBC && defined USE_NONOPTION_FLAGS
+ /* First make sure the handling of the `__getopt_nonoption_flags'
+ string can work normally. Our top argument must be in the range
+ of the string. */
+ if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
+ {
+ /* We must extend the array. The user plays games with us and
+ presents new arguments. */
+ char *new_str = malloc (top + 1);
+ if (new_str == NULL)
+ nonoption_flags_len = nonoption_flags_max_len = 0;
+ else
+ {
+ memset (__mempcpy (new_str, __getopt_nonoption_flags,
+ nonoption_flags_max_len),
+ '\0', top + 1 - nonoption_flags_max_len);
+ nonoption_flags_max_len = top + 1;
+ __getopt_nonoption_flags = new_str;
+ }
+ }
+#endif
+
while (top > middle && middle > bottom)
{
if (top - middle > middle - bottom)
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;
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;
first_nonopt += (optind - last_nonopt);
last_nonopt = optind;
}
+
+/* Initialize the internal data when the first call is made. */
+
+static const char *
+_getopt_initialize (int argc, char *const *argv, const char *optstring)
+{
+ /* Start processing options with ARGV-element 1 (since ARGV-element 0
+ is the program name); the sequence of previously skipped
+ non-option ARGV-elements is empty. */
+
+ first_nonopt = last_nonopt = optind;
+
+ nextchar = NULL;
+
+ posixly_correct = getenv ("POSIXLY_CORRECT");
+
+ /* Determine how to handle the ordering of options and nonoptions. */
+
+ if (optstring[0] == '-')
+ {
+ ordering = RETURN_IN_ORDER;
+ ++optstring;
+ }
+ else if (optstring[0] == '+')
+ {
+ ordering = REQUIRE_ORDER;
+ ++optstring;
+ }
+ else if (posixly_correct != NULL)
+ ordering = REQUIRE_ORDER;
+ else
+ ordering = PERMUTE;
+
+#if defined _LIBC && defined USE_NONOPTION_FLAGS
+ if (posixly_correct == NULL
+ && argc == __libc_argc && argv == __libc_argv)
+ {
+ if (nonoption_flags_max_len == 0)
+ {
+ if (__getopt_nonoption_flags == NULL
+ || __getopt_nonoption_flags[0] == '\0')
+ nonoption_flags_max_len = -1;
+ else
+ {
+ const char *orig_str = __getopt_nonoption_flags;
+ int len = nonoption_flags_max_len = strlen (orig_str);
+ if (nonoption_flags_max_len < argc)
+ nonoption_flags_max_len = argc;
+ __getopt_nonoption_flags =
+ (char *) malloc (nonoption_flags_max_len);
+ if (__getopt_nonoption_flags == NULL)
+ nonoption_flags_max_len = -1;
+ else
+ memset (__mempcpy (__getopt_nonoption_flags, orig_str, len),
+ '\0', nonoption_flags_max_len - len);
+ }
+ }
+ nonoption_flags_len = nonoption_flags_max_len;
+ }
+ else
+ nonoption_flags_len = 0;
+#endif
+
+ return optstring;
+}
\f
/* Scan elements of ARGV (whose length is ARGC) for option characters
given in OPTSTRING.
updating `optind' and `nextchar' so that the next call to `getopt' can
resume the scan with the following option character or ARGV-element.
- If there are no more option characters, `getopt' returns `EOF'.
+ If there are no more option characters, `getopt' returns -1.
Then `optind' is the index in ARGV of the first ARGV-element
that is not an option. (The ARGV-elements have been permuted
so that those that are not options now come last.)
long-named options. */
int
-_getopt_internal (argc, argv, optstring, longopts, longind, long_only)
- int argc;
- char *const *argv;
- const char *optstring;
- const struct option *longopts;
- int *longind;
- int long_only;
+_getopt_internal (int argc, char *const *argv,
+ const char *optstring, const struct option *longopts,
+ int *longind, int long_only)
{
- int option_index;
+ int print_errors = opterr;
+ if (optstring[0] == ':')
+ print_errors = 0;
- optarg = 0;
+ if (argc < 1)
+ return -1;
- /* Initialize the internal data when the first call is made.
- Start processing options with ARGV-element 1 (since ARGV-element 0
- is the program name); the sequence of previously skipped
- non-option ARGV-elements is empty. */
+ optarg = NULL;
- if (optind == 0)
+ if (optind == 0 || !__getopt_initialized)
{
- first_nonopt = last_nonopt = optind = 1;
-
- nextchar = NULL;
-
- /* Determine how to handle the ordering of options and nonoptions. */
-
- if (optstring[0] == '-')
- {
- ordering = RETURN_IN_ORDER;
- ++optstring;
- }
- else if (optstring[0] == '+')
- {
- ordering = REQUIRE_ORDER;
- ++optstring;
- }
- else if (getenv ("POSIXLY_CORRECT") != NULL)
- ordering = REQUIRE_ORDER;
- else
- ordering = PERMUTE;
+ if (optind == 0)
+ optind = 1; /* Don't scan ARGV[0], the program name. */
+ optstring = _getopt_initialize (argc, argv, optstring);
+ __getopt_initialized = 1;
}
+ /* Test whether ARGV[optind] points to a non-option argument.
+ Either it does not have option syntax, or there is an environment flag
+ from the shell indicating it is not an option. The later information
+ is only used when the used in the GNU libc. */
+#if defined _LIBC && defined USE_NONOPTION_FLAGS
+# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \
+ || (optind < nonoption_flags_len \
+ && __getopt_nonoption_flags[optind] == '1'))
+#else
+# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
+#endif
+
if (nextchar == NULL || *nextchar == '\0')
{
+ /* 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). */
+ if (last_nonopt > optind)
+ last_nonopt = optind;
+ if (first_nonopt > optind)
+ first_nonopt = optind;
+
if (ordering == PERMUTE)
{
/* If we have just processed some options following some non-options,
else if (last_nonopt != optind)
first_nonopt = optind;
- /* Now skip any additional non-options
+ /* Skip any additional non-options
and extend the range of non-options previously skipped. */
- while (optind < argc
- && (argv[optind][0] != '-' || argv[optind][1] == '\0')
-#ifdef GETOPT_COMPAT
- && (longopts == NULL
- || argv[optind][0] != '+' || argv[optind][1] == '\0')
-#endif /* GETOPT_COMPAT */
- )
+ while (optind < argc && NONOPTION_P)
optind++;
last_nonopt = optind;
}
- /* Special ARGV-element `--' means premature end of options.
+ /* 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. */
that we previously skipped, so the caller will digest them. */
if (first_nonopt != last_nonopt)
optind = first_nonopt;
- return EOF;
+ 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. */
- if ((argv[optind][0] != '-' || argv[optind][1] == '\0')
-#ifdef GETOPT_COMPAT
- && (longopts == NULL
- || argv[optind][0] != '+' || argv[optind][1] == '\0')
-#endif /* GETOPT_COMPAT */
- )
+ if (NONOPTION_P)
{
if (ordering == REQUIRE_ORDER)
- return EOF;
+ return -1;
optarg = argv[optind++];
return 1;
}
/* We have found another option-ARGV-element.
- Start decoding its characters. */
+ Skip the initial punctuation. */
nextchar = (argv[optind] + 1
+ (longopts != NULL && argv[optind][1] == '-'));
}
+ /* Decode the current option-ARGV-element. */
+
+ /* Check whether the ARGV-element is a long option.
+
+ If long_only and the ARGV-element has the form "-f", where f is
+ a valid short option, don't consider it an abbreviated form of
+ a long option that starts with f. Otherwise there would be no
+ way to give the -f short option.
+
+ On the other hand, if there's a long option "fubar" and
+ the ARGV-element is "-fu", do consider that an abbreviation of
+ the long option, just like "--fu", and not "-f" with arg "u".
+
+ This distinction seems to be the most useful approach. */
+
if (longopts != NULL
- && ((argv[optind][0] == '-'
- && (argv[optind][1] == '-' || long_only))
-#ifdef GETOPT_COMPAT
- || argv[optind][0] == '+'
-#endif /* GETOPT_COMPAT */
- ))
+ && (argv[optind][1] == '-'
+ || (long_only
+ && (argv[optind][2] || !strchr (optstring, argv[optind][1])))))
{
+ char *nameend;
const struct option *p;
- char *s = nextchar;
+ const struct option *pfound = NULL;
int exact = 0;
int ambig = 0;
- const struct option *pfound = NULL;
- int indfound;
+ int indfound = -1;
+ int option_index;
- while (*s && *s != '=')
- s++;
+ for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
+ /* Do nothing. */ ;
- /* Test all options for either exact match or abbreviated matches. */
- for (p = longopts, option_index = 0; p->name;
- p++, option_index++)
- if (!strncmp (p->name, nextchar, s - nextchar))
+ /* 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, nextchar, nameend - nextchar))
{
- if (s - nextchar == strlen (p->name))
+ if ((unsigned int) (nameend - nextchar)
+ == (unsigned int) strlen (p->name))
{
/* Exact match found. */
pfound = p;
pfound = p;
indfound = option_index;
}
- else
- /* Second nonexact match found. */
+ 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 (opterr)
- fprintf (stderr, "%s: option `%s' is ambiguous\n",
- argv[0], argv[optind]);
+ if (print_errors)
+ {
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+
+ if (__asprintf (&buf, _("%s: option `%s' is ambiguous\n"),
+ argv[0], argv[optind]) >= 0)
+ {
+
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#else
+ fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
+ argv[0], argv[optind]);
+#endif
+ }
nextchar += strlen (nextchar);
optind++;
+ optopt = 0;
return '?';
}
{
option_index = indfound;
optind++;
- if (*s)
+ 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)
- optarg = s + 1;
+ optarg = nameend + 1;
else
{
- if (opterr)
+ if (print_errors)
{
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+ int n;
+#endif
+
if (argv[optind - 1][1] == '-')
- /* --option */
- fprintf (stderr,
- "%s: option `--%s' doesn't allow an argument\n",
- argv[0], pfound->name);
+ {
+ /* --option */
+#if defined _LIBC && defined USE_IN_LIBIO
+ 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);
+#endif
+ }
else
- /* +option or -option */
- fprintf (stderr,
- "%s: option `%c%s' doesn't allow an argument\n",
- argv[0], argv[optind - 1][0], pfound->name);
+ {
+ /* +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[optind - 1][0],
+ pfound->name);
+#else
+ fprintf (stderr, _("\
+%s: option `%c%s' doesn't allow an argument\n"),
+ argv[0], argv[optind - 1][0], pfound->name);
+#endif
+ }
+
+#if defined _LIBC && defined USE_IN_LIBIO
+ if (n >= 0)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#endif
}
+
nextchar += strlen (nextchar);
+
+ optopt = pfound->val;
return '?';
}
}
optarg = argv[optind++];
else
{
- if (opterr)
- fprintf (stderr, "%s: option `%s' requires an argument\n",
- argv[0], argv[optind - 1]);
+ if (print_errors)
+ {
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+
+ if (__asprintf (&buf, _("\
+%s: option `%s' requires an argument\n"),
+ argv[0], argv[optind - 1]) >= 0)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#else
+ fprintf (stderr,
+ _("%s: option `%s' requires an argument\n"),
+ argv[0], argv[optind - 1]);
+#endif
+ }
nextchar += strlen (nextchar);
+ optopt = pfound->val;
return optstring[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. */
if (!long_only || argv[optind][1] == '-'
-#ifdef GETOPT_COMPAT
- || argv[optind][0] == '+'
-#endif /* GETOPT_COMPAT */
- || my_index (optstring, *nextchar) == NULL)
+ || strchr (optstring, *nextchar) == NULL)
{
- if (opterr)
+ if (print_errors)
{
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+ int n;
+#endif
+
if (argv[optind][1] == '-')
- /* --option */
- fprintf (stderr, "%s: unrecognized option `--%s'\n",
- argv[0], nextchar);
+ {
+ /* --option */
+#if defined _LIBC && defined USE_IN_LIBIO
+ n = __asprintf (&buf, _("%s: unrecognized option `--%s'\n"),
+ argv[0], nextchar);
+#else
+ fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
+ argv[0], nextchar);
+#endif
+ }
else
- /* +option or -option */
- fprintf (stderr, "%s: unrecognized option `%c%s'\n",
- argv[0], argv[optind][0], nextchar);
+ {
+ /* +option or -option */
+#if defined _LIBC && defined USE_IN_LIBIO
+ n = __asprintf (&buf, _("%s: unrecognized option `%c%s'\n"),
+ argv[0], argv[optind][0], nextchar);
+#else
+ fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
+ argv[0], argv[optind][0], nextchar);
+#endif
+ }
+
+#if defined _LIBC && defined USE_IN_LIBIO
+ if (n >= 0)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#endif
}
nextchar = (char *) "";
optind++;
+ optopt = 0;
return '?';
}
}
- /* Look at and handle the next option-character. */
+ /* Look at and handle the next short option-character. */
{
char c = *nextchar++;
- char *temp = my_index (optstring, c);
+ char *temp = strchr (optstring, c);
/* Increment `optind' when we start to process its last character. */
if (*nextchar == '\0')
if (temp == NULL || c == ':')
{
- if (opterr)
+ if (print_errors)
{
-#if 0
- if (c < 040 || c >= 0177)
- fprintf (stderr, "%s: unrecognized option, character code 0%o\n",
- argv[0], c);
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+ int n;
+#endif
+
+ if (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
- fprintf (stderr, "%s: unrecognized option `-%c'\n", argv[0], c);
+ {
+#if defined _LIBC && defined USE_IN_LIBIO
+ n = __asprintf (&buf, _("%s: invalid option -- %c\n"),
+ argv[0], c);
#else
- /* 1003.2 specifies the format of this message. */
- fprintf (stderr, "%s: illegal 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)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
#endif
}
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 (*nextchar != '\0')
+ {
+ optarg = nextchar;
+ /* If we end this ARGV-element by taking the rest as an arg,
+ we must advance to the next element now. */
+ optind++;
+ }
+ else if (optind == argc)
+ {
+ if (print_errors)
+ {
+ /* 1003.2 specifies the format of this message. */
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+
+ if (__asprintf (&buf,
+ _("%s: option requires an argument -- %c\n"),
+ argv[0], c) >= 0)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#else
+ fprintf (stderr, _("%s: option requires an argument -- %c\n"),
+ argv[0], c);
+#endif
+ }
+ optopt = c;
+ if (optstring[0] == ':')
+ c = ':';
+ else
+ c = '?';
+ return c;
+ }
+ else
+ /* We already incremented `optind' once;
+ increment it again when taking next ARGV-elt as argument. */
+ optarg = argv[optind++];
+
+ /* optarg is now the argument, see if it's in the
+ table of longopts. */
+
+ for (nextchar = nameend = 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, nextchar, nameend - nextchar))
+ {
+ if ((unsigned int) (nameend - 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;
+
+ if (__asprintf (&buf, _("%s: option `-W %s' is ambiguous\n"),
+ argv[0], argv[optind]) >= 0)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#else
+ fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
+ argv[0], argv[optind]);
+#endif
+ }
+ nextchar += strlen (nextchar);
+ 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)
+ optarg = nameend + 1;
+ else
+ {
+ if (print_errors)
+ {
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+
+ if (__asprintf (&buf, _("\
+%s: option `-W %s' doesn't allow an argument\n"),
+ argv[0], pfound->name) >= 0)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#else
+ fprintf (stderr, _("\
+%s: option `-W %s' doesn't allow an argument\n"),
+ argv[0], pfound->name);
+#endif
+ }
+
+ nextchar += strlen (nextchar);
+ return '?';
+ }
+ }
+ else if (pfound->has_arg == 1)
+ {
+ if (optind < argc)
+ optarg = argv[optind++];
+ else
+ {
+ if (print_errors)
+ {
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+
+ if (__asprintf (&buf, _("\
+%s: option `%s' requires an argument\n"),
+ argv[0], argv[optind - 1]) >= 0)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#else
+ fprintf (stderr,
+ _("%s: option `%s' requires an argument\n"),
+ argv[0], argv[optind - 1]);
+#endif
+ }
+ nextchar += strlen (nextchar);
+ return optstring[0] == ':' ? ':' : '?';
+ }
+ }
+ nextchar += strlen (nextchar);
+ if (longind != NULL)
+ *longind = option_index;
+ if (pfound->flag)
+ {
+ *(pfound->flag) = pfound->val;
+ return 0;
+ }
+ return pfound->val;
+ }
+ nextchar = NULL;
+ return 'W'; /* Let the application handle it. */
+ }
if (temp[1] == ':')
{
if (temp[2] == ':')
optind++;
}
else
- optarg = 0;
+ optarg = NULL;
nextchar = NULL;
}
else
}
else if (optind == argc)
{
- if (opterr)
+ if (print_errors)
{
-#if 0
- fprintf (stderr, "%s: option `-%c' requires an argument\n",
- argv[0], c);
-#else
/* 1003.2 specifies the format of this message. */
- fprintf (stderr, "%s: option requires an argument -- %c\n",
+#if defined _LIBC && defined USE_IN_LIBIO
+ char *buf;
+
+ if (__asprintf (&buf, _("\
+%s: option requires an argument -- %c\n"),
+ argv[0], c) >= 0)
+ {
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s", buf);
+ else
+ fputs (buf, stderr);
+
+ free (buf);
+ }
+#else
+ fprintf (stderr,
+ _("%s: option requires an argument -- %c\n"),
argv[0], c);
#endif
}
}
int
-getopt (argc, argv, optstring)
- int argc;
- char *const *argv;
- const char *optstring;
+getopt (int argc, char *const *argv, const char *optstring)
{
return _getopt_internal (argc, argv, optstring,
(const struct option *) 0,
0);
}
-#endif /* _LIBC or not __GNU_LIBRARY__. */
+#endif /* Not ELIDE_CODE. */
\f
#ifdef TEST
the above definition of `getopt'. */
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
int c;
int digit_optind = 0;
int this_option_optind = optind ? optind : 1;
c = getopt (argc, argv, "abc:d:0123456789");
- if (c == EOF)
+ if (c == -1)
break;
switch (c)
projects / gnulib.git / blobdiff