/* Getopt for GNU.
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/* Getopt for GNU.
|
NOTE: getopt is now part of the C library, so if you don't know what
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NOTE: getopt is now part of the C library, so if you don't know what
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"Keep this file name-space clean" means, talk to drepper@gnu.org
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"Keep this file name-space clean" means, talk to drepper@gnu.org
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before changing it!
|
before changing it!
|
|
|
Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
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Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
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1996, 1997, 1998, 2005 Free Software Foundation, Inc.
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1996, 1997, 1998, 2005 Free Software Foundation, Inc.
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|
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NOTE: This source is derived from an old version taken from the GNU C
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NOTE: This source is derived from an old version taken from the GNU C
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Library (glibc).
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Library (glibc).
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|
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This program is free software; you can redistribute it and/or modify it
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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Free Software Foundation; either version 2, or (at your option) any
|
later version.
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later version.
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|
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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|
|
You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
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USA. */
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USA. */
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|
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/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
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/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
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Ditto for AIX 3.2 and <stdlib.h>. */
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Ditto for AIX 3.2 and <stdlib.h>. */
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#ifndef _NO_PROTO
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#ifndef _NO_PROTO
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# define _NO_PROTO
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# define _NO_PROTO
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#endif
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#endif
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|
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#ifdef HAVE_CONFIG_H
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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# include <config.h>
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#endif
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#endif
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|
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#if !defined __STDC__ || !__STDC__
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#if !defined __STDC__ || !__STDC__
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/* This is a separate conditional since some stdc systems
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/* This is a separate conditional since some stdc systems
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reject `defined (const)'. */
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reject `defined (const)'. */
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# ifndef const
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# ifndef const
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# define const
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# define const
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# endif
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# endif
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#endif
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#endif
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|
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#include "ansidecl.h"
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#include "ansidecl.h"
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#include <stdio.h>
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#include <stdio.h>
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|
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/* Comment out all this code if we are using the GNU C Library, and are not
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/* Comment out all this code if we are using the GNU C Library, and are not
|
actually compiling the library itself. This code is part of the GNU C
|
actually compiling the library itself. This code is part of the GNU C
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Library, but also included in many other GNU distributions. Compiling
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Library, but also included in many other GNU distributions. Compiling
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and linking in this code is a waste when using the GNU C library
|
and linking in this code is a waste when using the GNU C library
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(especially if it is a shared library). Rather than having every GNU
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(especially if it is a shared library). Rather than having every GNU
|
program understand `configure --with-gnu-libc' and omit the object files,
|
program understand `configure --with-gnu-libc' and omit the object files,
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it is simpler to just do this in the source for each such file. */
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it is simpler to just do this in the source for each such file. */
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|
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#define GETOPT_INTERFACE_VERSION 2
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#define GETOPT_INTERFACE_VERSION 2
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#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
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#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
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# include <gnu-versions.h>
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# include <gnu-versions.h>
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# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
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# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
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# define ELIDE_CODE
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# define ELIDE_CODE
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# endif
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# endif
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#endif
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#endif
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#ifndef ELIDE_CODE
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#ifndef ELIDE_CODE
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|
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/* This needs to come after some library #include
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/* This needs to come after some library #include
|
to get __GNU_LIBRARY__ defined. */
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to get __GNU_LIBRARY__ defined. */
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#ifdef __GNU_LIBRARY__
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#ifdef __GNU_LIBRARY__
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/* Don't include stdlib.h for non-GNU C libraries because some of them
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/* Don't include stdlib.h for non-GNU C libraries because some of them
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contain conflicting prototypes for getopt. */
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contain conflicting prototypes for getopt. */
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# include <stdlib.h>
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# include <stdlib.h>
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# include <unistd.h>
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# include <unistd.h>
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#endif /* GNU C library. */
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#endif /* GNU C library. */
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|
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#ifdef VMS
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#ifdef VMS
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# include <unixlib.h>
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# include <unixlib.h>
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# if HAVE_STRING_H - 0
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# if HAVE_STRING_H - 0
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# include <string.h>
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# include <string.h>
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# endif
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# endif
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#endif
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#endif
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#ifndef _
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#ifndef _
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/* This is for other GNU distributions with internationalized messages.
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/* This is for other GNU distributions with internationalized messages.
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When compiling libc, the _ macro is predefined. */
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When compiling libc, the _ macro is predefined. */
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# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
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# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
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# include <libintl.h>
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# include <libintl.h>
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# define _(msgid) gettext (msgid)
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# define _(msgid) gettext (msgid)
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# else
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# else
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# define _(msgid) (msgid)
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# define _(msgid) (msgid)
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# endif
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# endif
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#endif
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#endif
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|
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/* This version of `getopt' appears to the caller like standard Unix `getopt'
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/* This version of `getopt' appears to the caller like standard Unix `getopt'
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but it behaves differently for the user, since it allows the user
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but it behaves differently for the user, since it allows the user
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to intersperse the options with the other arguments.
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to intersperse the options with the other arguments.
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|
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As `getopt' works, it permutes the elements of ARGV so that,
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As `getopt' works, it permutes the elements of ARGV so that,
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when it is done, all the options precede everything else. Thus
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when it is done, all the options precede everything else. Thus
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all application programs are extended to handle flexible argument order.
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all application programs are extended to handle flexible argument order.
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|
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Setting the environment variable POSIXLY_CORRECT disables permutation.
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Setting the environment variable POSIXLY_CORRECT disables permutation.
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Then the behavior is completely standard.
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Then the behavior is completely standard.
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|
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GNU application programs can use a third alternative mode in which
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GNU application programs can use a third alternative mode in which
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they can distinguish the relative order of options and other arguments. */
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they can distinguish the relative order of options and other arguments. */
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|
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#include "getopt.h"
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#include "getopt.h"
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|
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/* For communication from `getopt' to the caller.
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/* For communication from `getopt' to the caller.
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When `getopt' finds an option that takes an argument,
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When `getopt' finds an option that takes an argument,
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the argument value is returned here.
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the argument value is returned here.
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Also, when `ordering' is RETURN_IN_ORDER,
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Also, when `ordering' is RETURN_IN_ORDER,
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each non-option ARGV-element is returned here. */
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each non-option ARGV-element is returned here. */
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char *optarg = NULL;
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char *optarg = NULL;
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|
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/* Index in ARGV of the next element to be scanned.
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/* Index in ARGV of the next element to be scanned.
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This is used for communication to and from the caller
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This is used for communication to and from the caller
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and for communication between successive calls to `getopt'.
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and for communication between successive calls to `getopt'.
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|
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On entry to `getopt', zero means this is the first call; initialize.
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On entry to `getopt', zero means this is the first call; initialize.
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|
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When `getopt' returns -1, this is the index of the first of the
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When `getopt' returns -1, this is the index of the first of the
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non-option elements that the caller should itself scan.
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non-option elements that the caller should itself scan.
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|
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Otherwise, `optind' communicates from one call to the next
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Otherwise, `optind' communicates from one call to the next
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how much of ARGV has been scanned so far. */
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how much of ARGV has been scanned so far. */
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|
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/* 1003.2 says this must be 1 before any call. */
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/* 1003.2 says this must be 1 before any call. */
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int optind = 1;
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int optind = 1;
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|
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/* Formerly, initialization of getopt depended on optind==0, which
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/* Formerly, initialization of getopt depended on optind==0, which
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causes problems with re-calling getopt as programs generally don't
|
causes problems with re-calling getopt as programs generally don't
|
know that. */
|
know that. */
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|
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int __getopt_initialized = 0;
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int __getopt_initialized = 0;
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|
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/* The next char to be scanned in the option-element
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/* The next char to be scanned in the option-element
|
in which the last option character we returned was found.
|
in which the last option character we returned was found.
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This allows us to pick up the scan where we left off.
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This allows us to pick up the scan where we left off.
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|
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If this is zero, or a null string, it means resume the scan
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If this is zero, or a null string, it means resume the scan
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by advancing to the next ARGV-element. */
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by advancing to the next ARGV-element. */
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|
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static char *nextchar;
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static char *nextchar;
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|
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/* Callers store zero here to inhibit the error message
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/* Callers store zero here to inhibit the error message
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for unrecognized options. */
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for unrecognized options. */
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|
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int opterr = 1;
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int opterr = 1;
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|
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/* Set to an option character which was unrecognized.
|
/* Set to an option character which was unrecognized.
|
This must be initialized on some systems to avoid linking in the
|
This must be initialized on some systems to avoid linking in the
|
system's own getopt implementation. */
|
system's own getopt implementation. */
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|
|
int optopt = '?';
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int optopt = '?';
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|
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/* Describe how to deal with options that follow non-option ARGV-elements.
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/* Describe how to deal with options that follow non-option ARGV-elements.
|
|
|
If the caller did not specify anything,
|
If the caller did not specify anything,
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the default is REQUIRE_ORDER if the environment variable
|
the default is REQUIRE_ORDER if the environment variable
|
POSIXLY_CORRECT is defined, PERMUTE otherwise.
|
POSIXLY_CORRECT is defined, PERMUTE otherwise.
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|
|
REQUIRE_ORDER means don't recognize them as options;
|
REQUIRE_ORDER means don't recognize them as options;
|
stop option processing when the first non-option is seen.
|
stop option processing when the first non-option is seen.
|
This is what Unix does.
|
This is what Unix does.
|
This mode of operation is selected by either setting the environment
|
This mode of operation is selected by either setting the environment
|
variable POSIXLY_CORRECT, or using `+' as the first character
|
variable POSIXLY_CORRECT, or using `+' as the first character
|
of the list of option characters.
|
of the list of option characters.
|
|
|
PERMUTE is the default. We permute the contents of ARGV as we scan,
|
PERMUTE is the default. We permute the contents of ARGV as we scan,
|
so that eventually all the non-options are at the end. This allows options
|
so that eventually all the non-options are at the end. This allows options
|
to be given in any order, even with programs that were not written to
|
to be given in any order, even with programs that were not written to
|
expect this.
|
expect this.
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|
|
RETURN_IN_ORDER is an option available to programs that were written
|
RETURN_IN_ORDER is an option available to programs that were written
|
to expect options and other ARGV-elements in any order and that care about
|
to expect options and other ARGV-elements in any order and that care about
|
the ordering of the two. We describe each non-option ARGV-element
|
the ordering of the two. We describe each non-option ARGV-element
|
as if it were the argument of an option with character code 1.
|
as if it were the argument of an option with character code 1.
|
Using `-' as the first character of the list of option characters
|
Using `-' as the first character of the list of option characters
|
selects this mode of operation.
|
selects this mode of operation.
|
|
|
The special argument `--' forces an end of option-scanning regardless
|
The special argument `--' forces an end of option-scanning regardless
|
of the value of `ordering'. In the case of RETURN_IN_ORDER, only
|
of the value of `ordering'. In the case of RETURN_IN_ORDER, only
|
`--' can cause `getopt' to return -1 with `optind' != ARGC. */
|
`--' can cause `getopt' to return -1 with `optind' != ARGC. */
|
|
|
static enum
|
static enum
|
{
|
{
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REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
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REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
|
} ordering;
|
} ordering;
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|
|
/* Value of POSIXLY_CORRECT environment variable. */
|
/* Value of POSIXLY_CORRECT environment variable. */
|
static char *posixly_correct;
|
static char *posixly_correct;
|
|
|
#ifdef __GNU_LIBRARY__
|
#ifdef __GNU_LIBRARY__
|
/* We want to avoid inclusion of string.h with non-GNU libraries
|
/* We want to avoid inclusion of string.h with non-GNU libraries
|
because there are many ways it can cause trouble.
|
because there are many ways it can cause trouble.
|
On some systems, it contains special magic macros that don't work
|
On some systems, it contains special magic macros that don't work
|
in GCC. */
|
in GCC. */
|
# include <string.h>
|
# include <string.h>
|
# define my_index strchr
|
# define my_index strchr
|
#else
|
#else
|
|
|
# if HAVE_STRING_H
|
# if HAVE_STRING_H
|
# include <string.h>
|
# include <string.h>
|
# else
|
# else
|
# if HAVE_STRINGS_H
|
# if HAVE_STRINGS_H
|
# include <strings.h>
|
# include <strings.h>
|
# endif
|
# endif
|
# endif
|
# endif
|
|
|
/* Avoid depending on library functions or files
|
/* Avoid depending on library functions or files
|
whose names are inconsistent. */
|
whose names are inconsistent. */
|
|
|
#if HAVE_STDLIB_H && HAVE_DECL_GETENV
|
#if HAVE_STDLIB_H && HAVE_DECL_GETENV
|
# include <stdlib.h>
|
# include <stdlib.h>
|
#elif !defined(getenv)
|
#elif !defined(getenv)
|
# ifdef __cplusplus
|
# ifdef __cplusplus
|
extern "C" {
|
extern "C" {
|
# endif /* __cplusplus */
|
# endif /* __cplusplus */
|
extern char *getenv (const char *);
|
extern char *getenv (const char *);
|
# ifdef __cplusplus
|
# ifdef __cplusplus
|
}
|
}
|
# endif /* __cplusplus */
|
# endif /* __cplusplus */
|
#endif
|
#endif
|
|
|
static char *
|
static char *
|
my_index (const char *str, int chr)
|
my_index (const char *str, int chr)
|
{
|
{
|
while (*str)
|
while (*str)
|
{
|
{
|
if (*str == chr)
|
if (*str == chr)
|
return (char *) str;
|
return (char *) str;
|
str++;
|
str++;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* If using GCC, we can safely declare strlen this way.
|
/* If using GCC, we can safely declare strlen this way.
|
If not using GCC, it is ok not to declare it. */
|
If not using GCC, it is ok not to declare it. */
|
#ifdef __GNUC__
|
#ifdef __GNUC__
|
/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
|
/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
|
That was relevant to code that was here before. */
|
That was relevant to code that was here before. */
|
# if (!defined __STDC__ || !__STDC__) && !defined strlen
|
# if (!defined __STDC__ || !__STDC__) && !defined strlen
|
/* gcc with -traditional declares the built-in strlen to return int,
|
/* gcc with -traditional declares the built-in strlen to return int,
|
and has done so at least since version 2.4.5. -- rms. */
|
and has done so at least since version 2.4.5. -- rms. */
|
extern int strlen (const char *);
|
extern int strlen (const char *);
|
# endif /* not __STDC__ */
|
# endif /* not __STDC__ */
|
#endif /* __GNUC__ */
|
#endif /* __GNUC__ */
|
|
|
#endif /* not __GNU_LIBRARY__ */
|
#endif /* not __GNU_LIBRARY__ */
|
|
|
/* Handle permutation of arguments. */
|
/* Handle permutation of arguments. */
|
|
|
/* Describe the part of ARGV that contains non-options that have
|
/* Describe the part of ARGV that contains non-options that have
|
been skipped. `first_nonopt' is the index in ARGV of the first of them;
|
been skipped. `first_nonopt' is the index in ARGV of the first of them;
|
`last_nonopt' is the index after the last of them. */
|
`last_nonopt' is the index after the last of them. */
|
|
|
static int first_nonopt;
|
static int first_nonopt;
|
static int last_nonopt;
|
static int last_nonopt;
|
|
|
#ifdef _LIBC
|
#ifdef _LIBC
|
/* Bash 2.0 gives us an environment variable containing flags
|
/* Bash 2.0 gives us an environment variable containing flags
|
indicating ARGV elements that should not be considered arguments. */
|
indicating ARGV elements that should not be considered arguments. */
|
|
|
/* Defined in getopt_init.c */
|
/* Defined in getopt_init.c */
|
extern char *__getopt_nonoption_flags;
|
extern char *__getopt_nonoption_flags;
|
|
|
static int nonoption_flags_max_len;
|
static int nonoption_flags_max_len;
|
static int nonoption_flags_len;
|
static int nonoption_flags_len;
|
|
|
static int original_argc;
|
static int original_argc;
|
static char *const *original_argv;
|
static char *const *original_argv;
|
|
|
/* Make sure the environment variable bash 2.0 puts in the environment
|
/* Make sure the environment variable bash 2.0 puts in the environment
|
is valid for the getopt call we must make sure that the ARGV passed
|
is valid for the getopt call we must make sure that the ARGV passed
|
to getopt is that one passed to the process. */
|
to getopt is that one passed to the process. */
|
static void
|
static void
|
__attribute__ ((unused))
|
__attribute__ ((unused))
|
store_args_and_env (int argc, char *const *argv)
|
store_args_and_env (int argc, char *const *argv)
|
{
|
{
|
/* XXX This is no good solution. We should rather copy the args so
|
/* 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). */
|
that we can compare them later. But we must not use malloc(3). */
|
original_argc = argc;
|
original_argc = argc;
|
original_argv = argv;
|
original_argv = argv;
|
}
|
}
|
# ifdef text_set_element
|
# ifdef text_set_element
|
text_set_element (__libc_subinit, store_args_and_env);
|
text_set_element (__libc_subinit, store_args_and_env);
|
# endif /* text_set_element */
|
# endif /* text_set_element */
|
|
|
# define SWAP_FLAGS(ch1, ch2) \
|
# define SWAP_FLAGS(ch1, ch2) \
|
if (nonoption_flags_len > 0) \
|
if (nonoption_flags_len > 0) \
|
{ \
|
{ \
|
char __tmp = __getopt_nonoption_flags[ch1]; \
|
char __tmp = __getopt_nonoption_flags[ch1]; \
|
__getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \
|
__getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \
|
__getopt_nonoption_flags[ch2] = __tmp; \
|
__getopt_nonoption_flags[ch2] = __tmp; \
|
}
|
}
|
#else /* !_LIBC */
|
#else /* !_LIBC */
|
# define SWAP_FLAGS(ch1, ch2)
|
# define SWAP_FLAGS(ch1, ch2)
|
#endif /* _LIBC */
|
#endif /* _LIBC */
|
|
|
/* Exchange two adjacent subsequences of ARGV.
|
/* Exchange two adjacent subsequences of ARGV.
|
One subsequence is elements [first_nonopt,last_nonopt)
|
One subsequence is elements [first_nonopt,last_nonopt)
|
which contains all the non-options that have been skipped so far.
|
which contains all the non-options that have been skipped so far.
|
The other is elements [last_nonopt,optind), which contains all
|
The other is elements [last_nonopt,optind), which contains all
|
the options processed since those non-options were skipped.
|
the options processed since those non-options were skipped.
|
|
|
`first_nonopt' and `last_nonopt' are relocated so that they describe
|
`first_nonopt' and `last_nonopt' are relocated so that they describe
|
the new indices of the non-options in ARGV after they are moved. */
|
the new indices of the non-options in ARGV after they are moved. */
|
|
|
#if defined __STDC__ && __STDC__
|
#if defined __STDC__ && __STDC__
|
static void exchange (char **);
|
static void exchange (char **);
|
#endif
|
#endif
|
|
|
static void
|
static void
|
exchange (char **argv)
|
exchange (char **argv)
|
{
|
{
|
int bottom = first_nonopt;
|
int bottom = first_nonopt;
|
int middle = last_nonopt;
|
int middle = last_nonopt;
|
int top = optind;
|
int top = optind;
|
char *tem;
|
char *tem;
|
|
|
/* Exchange the shorter segment with the far end of the longer segment.
|
/* Exchange the shorter segment with the far end of the longer segment.
|
That puts the shorter segment into the right place.
|
That puts the shorter segment into the right place.
|
It leaves the longer segment in the right place overall,
|
It leaves the longer segment in the right place overall,
|
but it consists of two parts that need to be swapped next. */
|
but it consists of two parts that need to be swapped next. */
|
|
|
#ifdef _LIBC
|
#ifdef _LIBC
|
/* First make sure the handling of the `__getopt_nonoption_flags'
|
/* First make sure the handling of the `__getopt_nonoption_flags'
|
string can work normally. Our top argument must be in the range
|
string can work normally. Our top argument must be in the range
|
of the string. */
|
of the string. */
|
if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
|
if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
|
{
|
{
|
/* We must extend the array. The user plays games with us and
|
/* We must extend the array. The user plays games with us and
|
presents new arguments. */
|
presents new arguments. */
|
char *new_str = (char *) malloc (top + 1);
|
char *new_str = (char *) malloc (top + 1);
|
if (new_str == NULL)
|
if (new_str == NULL)
|
nonoption_flags_len = nonoption_flags_max_len = 0;
|
nonoption_flags_len = nonoption_flags_max_len = 0;
|
else
|
else
|
{
|
{
|
memset (mempcpy (new_str, __getopt_nonoption_flags,
|
memset (mempcpy (new_str, __getopt_nonoption_flags,
|
nonoption_flags_max_len),
|
nonoption_flags_max_len),
|
'\0', top + 1 - nonoption_flags_max_len);
|
'\0', top + 1 - nonoption_flags_max_len);
|
nonoption_flags_max_len = top + 1;
|
nonoption_flags_max_len = top + 1;
|
__getopt_nonoption_flags = new_str;
|
__getopt_nonoption_flags = new_str;
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
while (top > middle && middle > bottom)
|
while (top > middle && middle > bottom)
|
{
|
{
|
if (top - middle > middle - bottom)
|
if (top - middle > middle - bottom)
|
{
|
{
|
/* Bottom segment is the short one. */
|
/* Bottom segment is the short one. */
|
int len = middle - bottom;
|
int len = middle - bottom;
|
register int i;
|
register int i;
|
|
|
/* Swap it with the top part of the top segment. */
|
/* Swap it with the top part of the top segment. */
|
for (i = 0; i < len; i++)
|
for (i = 0; i < len; i++)
|
{
|
{
|
tem = argv[bottom + i];
|
tem = argv[bottom + i];
|
argv[bottom + i] = argv[top - (middle - bottom) + i];
|
argv[bottom + i] = argv[top - (middle - bottom) + i];
|
argv[top - (middle - bottom) + i] = tem;
|
argv[top - (middle - bottom) + i] = tem;
|
SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
|
SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
|
}
|
}
|
/* Exclude the moved bottom segment from further swapping. */
|
/* Exclude the moved bottom segment from further swapping. */
|
top -= len;
|
top -= len;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Top segment is the short one. */
|
/* Top segment is the short one. */
|
int len = top - middle;
|
int len = top - middle;
|
register int i;
|
register int i;
|
|
|
/* Swap it with the bottom part of the bottom segment. */
|
/* Swap it with the bottom part of the bottom segment. */
|
for (i = 0; i < len; i++)
|
for (i = 0; i < len; i++)
|
{
|
{
|
tem = argv[bottom + i];
|
tem = argv[bottom + i];
|
argv[bottom + i] = argv[middle + i];
|
argv[bottom + i] = argv[middle + i];
|
argv[middle + i] = tem;
|
argv[middle + i] = tem;
|
SWAP_FLAGS (bottom + i, middle + i);
|
SWAP_FLAGS (bottom + i, middle + i);
|
}
|
}
|
/* Exclude the moved top segment from further swapping. */
|
/* Exclude the moved top segment from further swapping. */
|
bottom += len;
|
bottom += len;
|
}
|
}
|
}
|
}
|
|
|
/* Update records for the slots the non-options now occupy. */
|
/* Update records for the slots the non-options now occupy. */
|
|
|
first_nonopt += (optind - last_nonopt);
|
first_nonopt += (optind - last_nonopt);
|
last_nonopt = optind;
|
last_nonopt = optind;
|
}
|
}
|
|
|
/* Initialize the internal data when the first call is made. */
|
/* Initialize the internal data when the first call is made. */
|
|
|
#if defined __STDC__ && __STDC__
|
#if defined __STDC__ && __STDC__
|
static const char *_getopt_initialize (int, char *const *, const char *);
|
static const char *_getopt_initialize (int, char *const *, const char *);
|
#endif
|
#endif
|
static const char *
|
static const char *
|
_getopt_initialize (int argc ATTRIBUTE_UNUSED,
|
_getopt_initialize (int argc ATTRIBUTE_UNUSED,
|
char *const *argv ATTRIBUTE_UNUSED,
|
char *const *argv ATTRIBUTE_UNUSED,
|
const char *optstring)
|
const char *optstring)
|
{
|
{
|
/* Start processing options with ARGV-element 1 (since ARGV-element 0
|
/* Start processing options with ARGV-element 1 (since ARGV-element 0
|
is the program name); the sequence of previously skipped
|
is the program name); the sequence of previously skipped
|
non-option ARGV-elements is empty. */
|
non-option ARGV-elements is empty. */
|
|
|
first_nonopt = last_nonopt = optind;
|
first_nonopt = last_nonopt = optind;
|
|
|
nextchar = NULL;
|
nextchar = NULL;
|
|
|
posixly_correct = getenv ("POSIXLY_CORRECT");
|
posixly_correct = getenv ("POSIXLY_CORRECT");
|
|
|
/* Determine how to handle the ordering of options and nonoptions. */
|
/* Determine how to handle the ordering of options and nonoptions. */
|
|
|
if (optstring[0] == '-')
|
if (optstring[0] == '-')
|
{
|
{
|
ordering = RETURN_IN_ORDER;
|
ordering = RETURN_IN_ORDER;
|
++optstring;
|
++optstring;
|
}
|
}
|
else if (optstring[0] == '+')
|
else if (optstring[0] == '+')
|
{
|
{
|
ordering = REQUIRE_ORDER;
|
ordering = REQUIRE_ORDER;
|
++optstring;
|
++optstring;
|
}
|
}
|
else if (posixly_correct != NULL)
|
else if (posixly_correct != NULL)
|
ordering = REQUIRE_ORDER;
|
ordering = REQUIRE_ORDER;
|
else
|
else
|
ordering = PERMUTE;
|
ordering = PERMUTE;
|
|
|
#ifdef _LIBC
|
#ifdef _LIBC
|
if (posixly_correct == NULL
|
if (posixly_correct == NULL
|
&& argc == original_argc && argv == original_argv)
|
&& argc == original_argc && argv == original_argv)
|
{
|
{
|
if (nonoption_flags_max_len == 0)
|
if (nonoption_flags_max_len == 0)
|
{
|
{
|
if (__getopt_nonoption_flags == NULL
|
if (__getopt_nonoption_flags == NULL
|
|| __getopt_nonoption_flags[0] == '\0')
|
|| __getopt_nonoption_flags[0] == '\0')
|
nonoption_flags_max_len = -1;
|
nonoption_flags_max_len = -1;
|
else
|
else
|
{
|
{
|
const char *orig_str = __getopt_nonoption_flags;
|
const char *orig_str = __getopt_nonoption_flags;
|
int len = nonoption_flags_max_len = strlen (orig_str);
|
int len = nonoption_flags_max_len = strlen (orig_str);
|
if (nonoption_flags_max_len < argc)
|
if (nonoption_flags_max_len < argc)
|
nonoption_flags_max_len = argc;
|
nonoption_flags_max_len = argc;
|
__getopt_nonoption_flags =
|
__getopt_nonoption_flags =
|
(char *) malloc (nonoption_flags_max_len);
|
(char *) malloc (nonoption_flags_max_len);
|
if (__getopt_nonoption_flags == NULL)
|
if (__getopt_nonoption_flags == NULL)
|
nonoption_flags_max_len = -1;
|
nonoption_flags_max_len = -1;
|
else
|
else
|
memset (mempcpy (__getopt_nonoption_flags, orig_str, len),
|
memset (mempcpy (__getopt_nonoption_flags, orig_str, len),
|
'\0', nonoption_flags_max_len - len);
|
'\0', nonoption_flags_max_len - len);
|
}
|
}
|
}
|
}
|
nonoption_flags_len = nonoption_flags_max_len;
|
nonoption_flags_len = nonoption_flags_max_len;
|
}
|
}
|
else
|
else
|
nonoption_flags_len = 0;
|
nonoption_flags_len = 0;
|
#endif
|
#endif
|
|
|
return optstring;
|
return optstring;
|
}
|
}
|
|
|
/* Scan elements of ARGV (whose length is ARGC) for option characters
|
/* Scan elements of ARGV (whose length is ARGC) for option characters
|
given in OPTSTRING.
|
given in OPTSTRING.
|
|
|
If an element of ARGV starts with '-', and is not exactly "-" or "--",
|
If an element of ARGV starts with '-', and is not exactly "-" or "--",
|
then it is an option element. The characters of this element
|
then it is an option element. The characters of this element
|
(aside from the initial '-') are option characters. If `getopt'
|
(aside from the initial '-') are option characters. If `getopt'
|
is called repeatedly, it returns successively each of the option characters
|
is called repeatedly, it returns successively each of the option characters
|
from each of the option elements.
|
from each of the option elements.
|
|
|
If `getopt' finds another option character, it returns that character,
|
If `getopt' finds another option character, it returns that character,
|
updating `optind' and `nextchar' so that the next call to `getopt' can
|
updating `optind' and `nextchar' so that the next call to `getopt' can
|
resume the scan with the following option character or ARGV-element.
|
resume the scan with the following option character or ARGV-element.
|
|
|
If there are no more option characters, `getopt' returns -1.
|
If there are no more option characters, `getopt' returns -1.
|
Then `optind' is the index in ARGV of the first ARGV-element
|
Then `optind' is the index in ARGV of the first ARGV-element
|
that is not an option. (The ARGV-elements have been permuted
|
that is not an option. (The ARGV-elements have been permuted
|
so that those that are not options now come last.)
|
so that those that are not options now come last.)
|
|
|
OPTSTRING is a string containing the legitimate option characters.
|
OPTSTRING is a string containing the legitimate option characters.
|
If an option character is seen that is not listed in OPTSTRING,
|
If an option character is seen that is not listed in OPTSTRING,
|
return '?' after printing an error message. If you set `opterr' to
|
return '?' after printing an error message. If you set `opterr' to
|
zero, the error message is suppressed but we still return '?'.
|
zero, the error message is suppressed but we still return '?'.
|
|
|
If a char in OPTSTRING is followed by a colon, that means it wants an arg,
|
If a char in OPTSTRING is followed by a colon, that means it wants an arg,
|
so the following text in the same ARGV-element, or the text of the following
|
so the following text in the same ARGV-element, or the text of the following
|
ARGV-element, is returned in `optarg'. Two colons mean an option that
|
ARGV-element, is returned in `optarg'. Two colons mean an option that
|
wants an optional arg; if there is text in the current ARGV-element,
|
wants an optional arg; if there is text in the current ARGV-element,
|
it is returned in `optarg', otherwise `optarg' is set to zero.
|
it is returned in `optarg', otherwise `optarg' is set to zero.
|
|
|
If OPTSTRING starts with `-' or `+', it requests different methods of
|
If OPTSTRING starts with `-' or `+', it requests different methods of
|
handling the non-option ARGV-elements.
|
handling the non-option ARGV-elements.
|
See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
|
See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
|
|
|
Long-named options begin with `--' instead of `-'.
|
Long-named options begin with `--' instead of `-'.
|
Their names may be abbreviated as long as the abbreviation is unique
|
Their names may be abbreviated as long as the abbreviation is unique
|
or is an exact match for some defined option. If they have an
|
or is an exact match for some defined option. If they have an
|
argument, it follows the option name in the same ARGV-element, separated
|
argument, it follows the option name in the same ARGV-element, separated
|
from the option name by a `=', or else the in next ARGV-element.
|
from the option name by a `=', or else the in next ARGV-element.
|
When `getopt' finds a long-named option, it returns 0 if that option's
|
When `getopt' finds a long-named option, it returns 0 if that option's
|
`flag' field is nonzero, the value of the option's `val' field
|
`flag' field is nonzero, the value of the option's `val' field
|
if the `flag' field is zero.
|
if the `flag' field is zero.
|
|
|
The elements of ARGV aren't really const, because we permute them.
|
The elements of ARGV aren't really const, because we permute them.
|
But we pretend they're const in the prototype to be compatible
|
But we pretend they're const in the prototype to be compatible
|
with other systems.
|
with other systems.
|
|
|
LONGOPTS is a vector of `struct option' terminated by an
|
LONGOPTS is a vector of `struct option' terminated by an
|
element containing a name which is zero.
|
element containing a name which is zero.
|
|
|
LONGIND returns the index in LONGOPT of the long-named option found.
|
LONGIND returns the index in LONGOPT of the long-named option found.
|
It is only valid when a long-named option has been found by the most
|
It is only valid when a long-named option has been found by the most
|
recent call.
|
recent call.
|
|
|
If LONG_ONLY is nonzero, '-' as well as '--' can introduce
|
If LONG_ONLY is nonzero, '-' as well as '--' can introduce
|
long-named options. */
|
long-named options. */
|
|
|
int
|
int
|
_getopt_internal (int argc, char *const *argv, const char *optstring,
|
_getopt_internal (int argc, char *const *argv, const char *optstring,
|
const struct option *longopts,
|
const struct option *longopts,
|
int *longind, int long_only)
|
int *longind, int long_only)
|
{
|
{
|
optarg = NULL;
|
optarg = NULL;
|
|
|
if (optind == 0 || !__getopt_initialized)
|
if (optind == 0 || !__getopt_initialized)
|
{
|
{
|
if (optind == 0)
|
if (optind == 0)
|
optind = 1; /* Don't scan ARGV[0], the program name. */
|
optind = 1; /* Don't scan ARGV[0], the program name. */
|
optstring = _getopt_initialize (argc, argv, optstring);
|
optstring = _getopt_initialize (argc, argv, optstring);
|
__getopt_initialized = 1;
|
__getopt_initialized = 1;
|
}
|
}
|
|
|
/* Test whether ARGV[optind] points to a non-option argument.
|
/* Test whether ARGV[optind] points to a non-option argument.
|
Either it does not have option syntax, or there is an environment flag
|
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
|
from the shell indicating it is not an option. The later information
|
is only used when the used in the GNU libc. */
|
is only used when the used in the GNU libc. */
|
#ifdef _LIBC
|
#ifdef _LIBC
|
# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \
|
# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \
|
|| (optind < nonoption_flags_len \
|
|| (optind < nonoption_flags_len \
|
&& __getopt_nonoption_flags[optind] == '1'))
|
&& __getopt_nonoption_flags[optind] == '1'))
|
#else
|
#else
|
# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
|
# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
|
#endif
|
#endif
|
|
|
if (nextchar == NULL || *nextchar == '\0')
|
if (nextchar == NULL || *nextchar == '\0')
|
{
|
{
|
/* Advance to the next ARGV-element. */
|
/* Advance to the next ARGV-element. */
|
|
|
/* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been
|
/* 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 (last_nonopt > optind)
|
if (last_nonopt > optind)
|
last_nonopt = optind;
|
last_nonopt = optind;
|
if (first_nonopt > optind)
|
if (first_nonopt > optind)
|
first_nonopt = optind;
|
first_nonopt = optind;
|
|
|
if (ordering == PERMUTE)
|
if (ordering == PERMUTE)
|
{
|
{
|
/* If we have just processed some options following some non-options,
|
/* If we have just processed some options following some non-options,
|
exchange them so that the options come first. */
|
exchange them so that the options come first. */
|
|
|
if (first_nonopt != last_nonopt && last_nonopt != optind)
|
if (first_nonopt != last_nonopt && last_nonopt != optind)
|
exchange ((char **) argv);
|
exchange ((char **) argv);
|
else if (last_nonopt != optind)
|
else if (last_nonopt != optind)
|
first_nonopt = optind;
|
first_nonopt = optind;
|
|
|
/* Skip any additional non-options
|
/* Skip any additional non-options
|
and extend the range of non-options previously skipped. */
|
and extend the range of non-options previously skipped. */
|
|
|
while (optind < argc && NONOPTION_P)
|
while (optind < argc && NONOPTION_P)
|
optind++;
|
optind++;
|
last_nonopt = optind;
|
last_nonopt = optind;
|
}
|
}
|
|
|
/* The special ARGV-element `--' means premature end of options.
|
/* The special ARGV-element `--' means premature end of options.
|
Skip it like a null option,
|
Skip it like a null option,
|
then exchange with previous non-options as if it were an option,
|
then exchange with previous non-options as if it were an option,
|
then skip everything else like a non-option. */
|
then skip everything else like a non-option. */
|
|
|
if (optind != argc && !strcmp (argv[optind], "--"))
|
if (optind != argc && !strcmp (argv[optind], "--"))
|
{
|
{
|
optind++;
|
optind++;
|
|
|
if (first_nonopt != last_nonopt && last_nonopt != optind)
|
if (first_nonopt != last_nonopt && last_nonopt != optind)
|
exchange ((char **) argv);
|
exchange ((char **) argv);
|
else if (first_nonopt == last_nonopt)
|
else if (first_nonopt == last_nonopt)
|
first_nonopt = optind;
|
first_nonopt = optind;
|
last_nonopt = argc;
|
last_nonopt = argc;
|
|
|
optind = argc;
|
optind = argc;
|
}
|
}
|
|
|
/* If we have done all the ARGV-elements, stop the scan
|
/* 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 (optind == argc)
|
if (optind == argc)
|
{
|
{
|
/* Set the next-arg-index to point at the non-options
|
/* Set the next-arg-index to point at the non-options
|
that we previously skipped, so the caller will digest them. */
|
that we previously skipped, so the caller will digest them. */
|
if (first_nonopt != last_nonopt)
|
if (first_nonopt != last_nonopt)
|
optind = first_nonopt;
|
optind = first_nonopt;
|
return -1;
|
return -1;
|
}
|
}
|
|
|
/* If we have come to a non-option and did not permute it,
|
/* 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 (NONOPTION_P)
|
{
|
{
|
if (ordering == REQUIRE_ORDER)
|
if (ordering == REQUIRE_ORDER)
|
return -1;
|
return -1;
|
optarg = argv[optind++];
|
optarg = argv[optind++];
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* We have found another option-ARGV-element.
|
/* We have found another option-ARGV-element.
|
Skip the initial punctuation. */
|
Skip the initial punctuation. */
|
|
|
nextchar = (argv[optind] + 1
|
nextchar = (argv[optind] + 1
|
+ (longopts != NULL && argv[optind][1] == '-'));
|
+ (longopts != NULL && argv[optind][1] == '-'));
|
}
|
}
|
|
|
/* Decode the current option-ARGV-element. */
|
/* Decode the current option-ARGV-element. */
|
|
|
/* Check whether the ARGV-element is a long option.
|
/* Check whether the ARGV-element is a long option.
|
|
|
If long_only and the ARGV-element has the form "-f", where f is
|
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 valid short option, don't consider it an abbreviated form of
|
a long option that starts with f. Otherwise there would be no
|
a long option that starts with f. Otherwise there would be no
|
way to give the -f short option.
|
way to give the -f short option.
|
|
|
On the other hand, if there's a long option "fubar" and
|
On the other hand, if there's a long option "fubar" and
|
the ARGV-element is "-fu", do consider that an abbreviation of
|
the ARGV-element is "-fu", do consider that an abbreviation of
|
the long option, just like "--fu", and not "-f" with arg "u".
|
the long option, just like "--fu", and not "-f" with arg "u".
|
|
|
This distinction seems to be the most useful approach. */
|
This distinction seems to be the most useful approach. */
|
|
|
if (longopts != NULL
|
if (longopts != NULL
|
&& (argv[optind][1] == '-'
|
&& (argv[optind][1] == '-'
|
|| (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
|
|| (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
|
{
|
{
|
char *nameend;
|
char *nameend;
|
const struct option *p;
|
const struct option *p;
|
const struct option *pfound = NULL;
|
const struct option *pfound = NULL;
|
int exact = 0;
|
int exact = 0;
|
int ambig = 0;
|
int ambig = 0;
|
int indfound = -1;
|
int indfound = -1;
|
int option_index;
|
int option_index;
|
|
|
for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
|
for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
|
/* Do nothing. */ ;
|
/* Do nothing. */ ;
|
|
|
/* Test all long options for either exact match
|
/* 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++)
|
for (p = longopts, option_index = 0; p->name; p++, option_index++)
|
if (!strncmp (p->name, nextchar, nameend - nextchar))
|
if (!strncmp (p->name, nextchar, nameend - nextchar))
|
{
|
{
|
if ((unsigned int) (nameend - nextchar)
|
if ((unsigned int) (nameend - nextchar)
|
== (unsigned int) strlen (p->name))
|
== (unsigned int) strlen (p->name))
|
{
|
{
|
/* Exact match found. */
|
/* Exact match found. */
|
pfound = p;
|
pfound = p;
|
indfound = option_index;
|
indfound = option_index;
|
exact = 1;
|
exact = 1;
|
break;
|
break;
|
}
|
}
|
else if (pfound == NULL)
|
else if (pfound == NULL)
|
{
|
{
|
/* First nonexact match found. */
|
/* First nonexact match found. */
|
pfound = p;
|
pfound = p;
|
indfound = option_index;
|
indfound = option_index;
|
}
|
}
|
else
|
else
|
/* Second or later nonexact match found. */
|
/* Second or later nonexact match found. */
|
ambig = 1;
|
ambig = 1;
|
}
|
}
|
|
|
if (ambig && !exact)
|
if (ambig && !exact)
|
{
|
{
|
if (opterr)
|
if (opterr)
|
fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
|
fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
|
argv[0], argv[optind]);
|
argv[0], argv[optind]);
|
nextchar += strlen (nextchar);
|
nextchar += strlen (nextchar);
|
optind++;
|
optind++;
|
optopt = 0;
|
optopt = 0;
|
return '?';
|
return '?';
|
}
|
}
|
|
|
if (pfound != NULL)
|
if (pfound != NULL)
|
{
|
{
|
option_index = indfound;
|
option_index = indfound;
|
optind++;
|
optind++;
|
if (*nameend)
|
if (*nameend)
|
{
|
{
|
/* Don't test has_arg with >, because some C compilers don't
|
/* Don't test has_arg with >, because some C compilers don't
|
allow it to be used on enums. */
|
allow it to be used on enums. */
|
if (pfound->has_arg)
|
if (pfound->has_arg)
|
optarg = nameend + 1;
|
optarg = nameend + 1;
|
else
|
else
|
{
|
{
|
if (opterr)
|
if (opterr)
|
{
|
{
|
if (argv[optind - 1][1] == '-')
|
if (argv[optind - 1][1] == '-')
|
/* --option */
|
/* --option */
|
fprintf (stderr,
|
fprintf (stderr,
|
_("%s: option `--%s' doesn't allow an argument\n"),
|
_("%s: option `--%s' doesn't allow an argument\n"),
|
argv[0], pfound->name);
|
argv[0], pfound->name);
|
else
|
else
|
/* +option or -option */
|
/* +option or -option */
|
fprintf (stderr,
|
fprintf (stderr,
|
_("%s: option `%c%s' doesn't allow an argument\n"),
|
_("%s: option `%c%s' doesn't allow an argument\n"),
|
argv[0], argv[optind - 1][0], pfound->name);
|
argv[0], argv[optind - 1][0], pfound->name);
|
|
|
nextchar += strlen (nextchar);
|
nextchar += strlen (nextchar);
|
|
|
optopt = pfound->val;
|
optopt = pfound->val;
|
return '?';
|
return '?';
|
}
|
}
|
}
|
}
|
}
|
}
|
else if (pfound->has_arg == 1)
|
else if (pfound->has_arg == 1)
|
{
|
{
|
if (optind < argc)
|
if (optind < argc)
|
optarg = argv[optind++];
|
optarg = argv[optind++];
|
else
|
else
|
{
|
{
|
if (opterr)
|
if (opterr)
|
fprintf (stderr,
|
fprintf (stderr,
|
_("%s: option `%s' requires an argument\n"),
|
_("%s: option `%s' requires an argument\n"),
|
argv[0], argv[optind - 1]);
|
argv[0], argv[optind - 1]);
|
nextchar += strlen (nextchar);
|
nextchar += strlen (nextchar);
|
optopt = pfound->val;
|
optopt = pfound->val;
|
return optstring[0] == ':' ? ':' : '?';
|
return optstring[0] == ':' ? ':' : '?';
|
}
|
}
|
}
|
}
|
nextchar += strlen (nextchar);
|
nextchar += strlen (nextchar);
|
if (longind != NULL)
|
if (longind != NULL)
|
*longind = option_index;
|
*longind = option_index;
|
if (pfound->flag)
|
if (pfound->flag)
|
{
|
{
|
*(pfound->flag) = pfound->val;
|
*(pfound->flag) = pfound->val;
|
return 0;
|
return 0;
|
}
|
}
|
return pfound->val;
|
return pfound->val;
|
}
|
}
|
|
|
/* Can't find it as a long option. If this is not getopt_long_only,
|
/* 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
|
or the option starts with '--' or is not a valid short
|
option, then it's an error.
|
option, then it's an error.
|
Otherwise interpret it as a short option. */
|
Otherwise interpret it as a short option. */
|
if (!long_only || argv[optind][1] == '-'
|
if (!long_only || argv[optind][1] == '-'
|
|| my_index (optstring, *nextchar) == NULL)
|
|| my_index (optstring, *nextchar) == NULL)
|
{
|
{
|
if (opterr)
|
if (opterr)
|
{
|
{
|
if (argv[optind][1] == '-')
|
if (argv[optind][1] == '-')
|
/* --option */
|
/* --option */
|
fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
|
fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
|
argv[0], nextchar);
|
argv[0], nextchar);
|
else
|
else
|
/* +option or -option */
|
/* +option or -option */
|
fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
|
fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
|
argv[0], argv[optind][0], nextchar);
|
argv[0], argv[optind][0], nextchar);
|
}
|
}
|
nextchar = (char *) "";
|
nextchar = (char *) "";
|
optind++;
|
optind++;
|
optopt = 0;
|
optopt = 0;
|
return '?';
|
return '?';
|
}
|
}
|
}
|
}
|
|
|
/* Look at and handle the next short option-character. */
|
/* Look at and handle the next short option-character. */
|
|
|
{
|
{
|
char c = *nextchar++;
|
char c = *nextchar++;
|
char *temp = my_index (optstring, c);
|
char *temp = my_index (optstring, c);
|
|
|
/* Increment `optind' when we start to process its last character. */
|
/* Increment `optind' when we start to process its last character. */
|
if (*nextchar == '\0')
|
if (*nextchar == '\0')
|
++optind;
|
++optind;
|
|
|
if (temp == NULL || c == ':')
|
if (temp == NULL || c == ':')
|
{
|
{
|
if (opterr)
|
if (opterr)
|
{
|
{
|
if (posixly_correct)
|
if (posixly_correct)
|
/* 1003.2 specifies the format of this message. */
|
/* 1003.2 specifies the format of this message. */
|
fprintf (stderr, _("%s: illegal option -- %c\n"),
|
fprintf (stderr, _("%s: illegal option -- %c\n"),
|
argv[0], c);
|
argv[0], c);
|
else
|
else
|
fprintf (stderr, _("%s: invalid option -- %c\n"),
|
fprintf (stderr, _("%s: invalid option -- %c\n"),
|
argv[0], c);
|
argv[0], c);
|
}
|
}
|
optopt = c;
|
optopt = c;
|
return '?';
|
return '?';
|
}
|
}
|
/* Convenience. Treat POSIX -W foo same as long option --foo */
|
/* Convenience. Treat POSIX -W foo same as long option --foo */
|
if (temp[0] == 'W' && temp[1] == ';')
|
if (temp[0] == 'W' && temp[1] == ';')
|
{
|
{
|
char *nameend;
|
char *nameend;
|
const struct option *p;
|
const struct option *p;
|
const struct option *pfound = NULL;
|
const struct option *pfound = NULL;
|
int exact = 0;
|
int exact = 0;
|
int ambig = 0;
|
int ambig = 0;
|
int indfound = 0;
|
int indfound = 0;
|
int option_index;
|
int option_index;
|
|
|
/* This is an option that requires an argument. */
|
/* This is an option that requires an argument. */
|
if (*nextchar != '\0')
|
if (*nextchar != '\0')
|
{
|
{
|
optarg = nextchar;
|
optarg = nextchar;
|
/* If we end this ARGV-element by taking the rest as an arg,
|
/* If we end this ARGV-element by taking the rest as an arg,
|
we must advance to the next element now. */
|
we must advance to the next element now. */
|
optind++;
|
optind++;
|
}
|
}
|
else if (optind == argc)
|
else if (optind == argc)
|
{
|
{
|
if (opterr)
|
if (opterr)
|
{
|
{
|
/* 1003.2 specifies the format of this message. */
|
/* 1003.2 specifies the format of this message. */
|
fprintf (stderr, _("%s: option requires an argument -- %c\n"),
|
fprintf (stderr, _("%s: option requires an argument -- %c\n"),
|
argv[0], c);
|
argv[0], c);
|
}
|
}
|
optopt = c;
|
optopt = c;
|
if (optstring[0] == ':')
|
if (optstring[0] == ':')
|
c = ':';
|
c = ':';
|
else
|
else
|
c = '?';
|
c = '?';
|
return c;
|
return c;
|
}
|
}
|
else
|
else
|
/* We already incremented `optind' once;
|
/* We already incremented `optind' once;
|
increment it again when taking next ARGV-elt as argument. */
|
increment it again when taking next ARGV-elt as argument. */
|
optarg = argv[optind++];
|
optarg = argv[optind++];
|
|
|
/* optarg is now the argument, see if it's in the
|
/* optarg is now the argument, see if it's in the
|
table of longopts. */
|
table of longopts. */
|
|
|
for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++)
|
for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++)
|
/* Do nothing. */ ;
|
/* Do nothing. */ ;
|
|
|
/* Test all long options for either exact match
|
/* 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++)
|
for (p = longopts, option_index = 0; p->name; p++, option_index++)
|
if (!strncmp (p->name, nextchar, nameend - nextchar))
|
if (!strncmp (p->name, nextchar, nameend - nextchar))
|
{
|
{
|
if ((unsigned int) (nameend - nextchar) == strlen (p->name))
|
if ((unsigned int) (nameend - nextchar) == strlen (p->name))
|
{
|
{
|
/* Exact match found. */
|
/* Exact match found. */
|
pfound = p;
|
pfound = p;
|
indfound = option_index;
|
indfound = option_index;
|
exact = 1;
|
exact = 1;
|
break;
|
break;
|
}
|
}
|
else if (pfound == NULL)
|
else if (pfound == NULL)
|
{
|
{
|
/* First nonexact match found. */
|
/* First nonexact match found. */
|
pfound = p;
|
pfound = p;
|
indfound = option_index;
|
indfound = option_index;
|
}
|
}
|
else
|
else
|
/* Second or later nonexact match found. */
|
/* Second or later nonexact match found. */
|
ambig = 1;
|
ambig = 1;
|
}
|
}
|
if (ambig && !exact)
|
if (ambig && !exact)
|
{
|
{
|
if (opterr)
|
if (opterr)
|
fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
|
fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
|
argv[0], argv[optind]);
|
argv[0], argv[optind]);
|
nextchar += strlen (nextchar);
|
nextchar += strlen (nextchar);
|
optind++;
|
optind++;
|
return '?';
|
return '?';
|
}
|
}
|
if (pfound != NULL)
|
if (pfound != NULL)
|
{
|
{
|
option_index = indfound;
|
option_index = indfound;
|
if (*nameend)
|
if (*nameend)
|
{
|
{
|
/* Don't test has_arg with >, because some C compilers don't
|
/* Don't test has_arg with >, because some C compilers don't
|
allow it to be used on enums. */
|
allow it to be used on enums. */
|
if (pfound->has_arg)
|
if (pfound->has_arg)
|
optarg = nameend + 1;
|
optarg = nameend + 1;
|
else
|
else
|
{
|
{
|
if (opterr)
|
if (opterr)
|
fprintf (stderr, _("\
|
fprintf (stderr, _("\
|
%s: option `-W %s' doesn't allow an argument\n"),
|
%s: option `-W %s' doesn't allow an argument\n"),
|
argv[0], pfound->name);
|
argv[0], pfound->name);
|
|
|
nextchar += strlen (nextchar);
|
nextchar += strlen (nextchar);
|
return '?';
|
return '?';
|
}
|
}
|
}
|
}
|
else if (pfound->has_arg == 1)
|
else if (pfound->has_arg == 1)
|
{
|
{
|
if (optind < argc)
|
if (optind < argc)
|
optarg = argv[optind++];
|
optarg = argv[optind++];
|
else
|
else
|
{
|
{
|
if (opterr)
|
if (opterr)
|
fprintf (stderr,
|
fprintf (stderr,
|
_("%s: option `%s' requires an argument\n"),
|
_("%s: option `%s' requires an argument\n"),
|
argv[0], argv[optind - 1]);
|
argv[0], argv[optind - 1]);
|
nextchar += strlen (nextchar);
|
nextchar += strlen (nextchar);
|
return optstring[0] == ':' ? ':' : '?';
|
return optstring[0] == ':' ? ':' : '?';
|
}
|
}
|
}
|
}
|
nextchar += strlen (nextchar);
|
nextchar += strlen (nextchar);
|
if (longind != NULL)
|
if (longind != NULL)
|
*longind = option_index;
|
*longind = option_index;
|
if (pfound->flag)
|
if (pfound->flag)
|
{
|
{
|
*(pfound->flag) = pfound->val;
|
*(pfound->flag) = pfound->val;
|
return 0;
|
return 0;
|
}
|
}
|
return pfound->val;
|
return pfound->val;
|
}
|
}
|
nextchar = NULL;
|
nextchar = NULL;
|
return 'W'; /* Let the application handle it. */
|
return 'W'; /* Let the application handle it. */
|
}
|
}
|
if (temp[1] == ':')
|
if (temp[1] == ':')
|
{
|
{
|
if (temp[2] == ':')
|
if (temp[2] == ':')
|
{
|
{
|
/* This is an option that accepts an argument optionally. */
|
/* This is an option that accepts an argument optionally. */
|
if (*nextchar != '\0')
|
if (*nextchar != '\0')
|
{
|
{
|
optarg = nextchar;
|
optarg = nextchar;
|
optind++;
|
optind++;
|
}
|
}
|
else
|
else
|
optarg = NULL;
|
optarg = NULL;
|
nextchar = NULL;
|
nextchar = NULL;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* This is an option that requires an argument. */
|
/* This is an option that requires an argument. */
|
if (*nextchar != '\0')
|
if (*nextchar != '\0')
|
{
|
{
|
optarg = nextchar;
|
optarg = nextchar;
|
/* If we end this ARGV-element by taking the rest as an arg,
|
/* If we end this ARGV-element by taking the rest as an arg,
|
we must advance to the next element now. */
|
we must advance to the next element now. */
|
optind++;
|
optind++;
|
}
|
}
|
else if (optind == argc)
|
else if (optind == argc)
|
{
|
{
|
if (opterr)
|
if (opterr)
|
{
|
{
|
/* 1003.2 specifies the format of this message. */
|
/* 1003.2 specifies the format of this message. */
|
fprintf (stderr,
|
fprintf (stderr,
|
_("%s: option requires an argument -- %c\n"),
|
_("%s: option requires an argument -- %c\n"),
|
argv[0], c);
|
argv[0], c);
|
}
|
}
|
optopt = c;
|
optopt = c;
|
if (optstring[0] == ':')
|
if (optstring[0] == ':')
|
c = ':';
|
c = ':';
|
else
|
else
|
c = '?';
|
c = '?';
|
}
|
}
|
else
|
else
|
/* We already incremented `optind' once;
|
/* We already incremented `optind' once;
|
increment it again when taking next ARGV-elt as argument. */
|
increment it again when taking next ARGV-elt as argument. */
|
optarg = argv[optind++];
|
optarg = argv[optind++];
|
nextchar = NULL;
|
nextchar = NULL;
|
}
|
}
|
}
|
}
|
return c;
|
return c;
|
}
|
}
|
}
|
}
|
|
|
int
|
int
|
getopt (int argc, char *const *argv, const char *optstring)
|
getopt (int argc, char *const *argv, const char *optstring)
|
{
|
{
|
return _getopt_internal (argc, argv, optstring,
|
return _getopt_internal (argc, argv, optstring,
|
(const struct option *) 0,
|
(const struct option *) 0,
|
(int *) 0,
|
(int *) 0,
|
0);
|
0);
|
}
|
}
|
|
|
#endif /* Not ELIDE_CODE. */
|
#endif /* Not ELIDE_CODE. */
|
|
|
#ifdef TEST
|
#ifdef TEST
|
|
|
/* Compile with -DTEST to make an executable for use in testing
|
/* Compile with -DTEST to make an executable for use in testing
|
the above definition of `getopt'. */
|
the above definition of `getopt'. */
|
|
|
int
|
int
|
main (int argc, char **argv)
|
main (int argc, char **argv)
|
{
|
{
|
int c;
|
int c;
|
int digit_optind = 0;
|
int digit_optind = 0;
|
|
|
while (1)
|
while (1)
|
{
|
{
|
int this_option_optind = optind ? optind : 1;
|
int this_option_optind = optind ? optind : 1;
|
|
|
c = getopt (argc, argv, "abc:d:0123456789");
|
c = getopt (argc, argv, "abc:d:0123456789");
|
if (c == -1)
|
if (c == -1)
|
break;
|
break;
|
|
|
switch (c)
|
switch (c)
|
{
|
{
|
case '0':
|
case '0':
|
case '1':
|
case '1':
|
case '2':
|
case '2':
|
case '3':
|
case '3':
|
case '4':
|
case '4':
|
case '5':
|
case '5':
|
case '6':
|
case '6':
|
case '7':
|
case '7':
|
case '8':
|
case '8':
|
case '9':
|
case '9':
|
if (digit_optind != 0 && digit_optind != this_option_optind)
|
if (digit_optind != 0 && digit_optind != this_option_optind)
|
printf ("digits occur in two different argv-elements.\n");
|
printf ("digits occur in two different argv-elements.\n");
|
digit_optind = this_option_optind;
|
digit_optind = this_option_optind;
|
printf ("option %c\n", c);
|
printf ("option %c\n", c);
|
break;
|
break;
|
|
|
case 'a':
|
case 'a':
|
printf ("option a\n");
|
printf ("option a\n");
|
break;
|
break;
|
|
|
case 'b':
|
case 'b':
|
printf ("option b\n");
|
printf ("option b\n");
|
break;
|
break;
|
|
|
case 'c':
|
case 'c':
|
printf ("option c with value `%s'\n", optarg);
|
printf ("option c with value `%s'\n", optarg);
|
break;
|
break;
|
|
|
case '?':
|
case '?':
|
break;
|
break;
|
|
|
default:
|
default:
|
printf ("?? getopt returned character code 0%o ??\n", c);
|
printf ("?? getopt returned character code 0%o ??\n", c);
|
}
|
}
|
}
|
}
|
|
|
if (optind < argc)
|
if (optind < argc)
|
{
|
{
|
printf ("non-option ARGV-elements: ");
|
printf ("non-option ARGV-elements: ");
|
while (optind < argc)
|
while (optind < argc)
|
printf ("%s ", argv[optind++]);
|
printf ("%s ", argv[optind++]);
|
printf ("\n");
|
printf ("\n");
|
}
|
}
|
|
|
exit (0);
|
exit (0);
|
}
|
}
|
|
|
#endif /* TEST */
|
#endif /* TEST */
|
|
|
