mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-11 09:20:51 +00:00
68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/* getopt (basic, portable features) gnulib wrapper header.
|
|
Copyright (C) 1989-2021 Free Software Foundation, Inc.
|
|
This file is part of gnulib.
|
|
Unlike most of the getopt implementation, it is NOT shared
|
|
with the GNU C Library.
|
|
|
|
This file 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 3 of
|
|
the License, or (at your option) any later version.
|
|
|
|
This file 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 gnulib; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _GETOPT_PFX_CORE_H
|
|
#define _GETOPT_PFX_CORE_H 1
|
|
|
|
/* This header should not be used directly; include getopt.h or
|
|
unistd.h instead. It does not have a protective #error, because
|
|
the guard macro for getopt.h in gnulib is not fixed. */
|
|
|
|
/* Standalone applications should #define __GETOPT_PREFIX to an
|
|
identifier that prefixes the external functions and variables
|
|
defined in getopt-core.h and getopt-ext.h. Systematically
|
|
rename identifiers so that they do not collide with the system
|
|
functions and variables. Renaming avoids problems with some
|
|
compilers and linkers. */
|
|
#ifdef __GETOPT_PREFIX
|
|
# ifndef __GETOPT_ID
|
|
# define __GETOPT_CONCAT(x, y) x ## y
|
|
# define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y)
|
|
# define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y)
|
|
# endif
|
|
# undef getopt
|
|
# undef optarg
|
|
# undef opterr
|
|
# undef optind
|
|
# undef optopt
|
|
# define getopt __GETOPT_ID (getopt)
|
|
# define optarg __GETOPT_ID (optarg)
|
|
# define opterr __GETOPT_ID (opterr)
|
|
# define optind __GETOPT_ID (optind)
|
|
# define optopt __GETOPT_ID (optopt)
|
|
|
|
/* Work around a a problem on macOS, which declares getopt with a
|
|
trailing __DARWIN_ALIAS(getopt) that would expand to something like
|
|
__asm("_" "rpl_getopt" "$UNIX2003") were it not for the following
|
|
hack to suppress the macOS declaration <https://bugs.gnu.org/40205>. */
|
|
# ifdef __APPLE__
|
|
# define _GETOPT
|
|
# endif
|
|
|
|
/* The system's getopt.h may have already included getopt-core.h to
|
|
declare the unprefixed identifiers. Undef _GETOPT_CORE_H so that
|
|
getopt-core.h declares them with prefixes. */
|
|
# undef _GETOPT_CORE_H
|
|
#endif
|
|
|
|
#include <getopt-core.h>
|
|
|
|
#endif /* _GETOPT_PFX_CORE_H */
|