| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| /* getopt (basic, portable features) gnulib wrapper header. |
| Copyright (C) 1989-2023 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 Lesser General Public License as |
| published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this program. 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 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 */ |