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72 lines
2.7 KiB
C
72 lines
2.7 KiB
C
/* getopt (GNU extensions) gnulib wrapper header.
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Copyright (C) 1989-2021 Free Software Foundation, Inc.
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This file is part of gnulib.
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Unlike most of the getopt implementation, it is NOT shared
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with the GNU C Library.
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This file 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
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published by the Free Software Foundation; either version 3 of
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the License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with gnulib; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _GETOPT_PFX_EXT_H
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#define _GETOPT_PFX_EXT_H 1
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/* This header should not be used directly; include getopt.h instead.
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It does not have a protective #error, because the guard macro for
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getopt.h in gnulib is not fixed. */
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/* Standalone applications should #define __GETOPT_PREFIX to an
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identifier that prefixes the external functions and variables
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defined in getopt-core.h and getopt-ext.h. Systematically
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rename identifiers so that they do not collide with the system
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functions and variables. Renaming avoids problems with some
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compilers and linkers. */
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#ifdef __GETOPT_PREFIX
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# ifndef __GETOPT_ID
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# define __GETOPT_CONCAT(x, y) x ## y
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# define __GETOPT_XCONCAT(x, y) __GETOPT_CONCAT (x, y)
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# define __GETOPT_ID(y) __GETOPT_XCONCAT (__GETOPT_PREFIX, y)
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# endif
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# undef getopt_long
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# undef getopt_long_only
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# undef option
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# undef _getopt_internal
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# define getopt_long __GETOPT_ID (getopt_long)
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# define getopt_long_only __GETOPT_ID (getopt_long_only)
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# define option __GETOPT_ID (option)
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# define _getopt_internal __GETOPT_ID (getopt_internal)
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/* The system's getopt.h may have already included getopt-ext.h to
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declare the unprefixed identifiers. Undef _GETOPT_EXT_H so that
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getopt-ext.h declares them with prefixes. */
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# undef _GETOPT_EXT_H
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#endif
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/* Standalone applications get correct prototypes for getopt_long and
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getopt_long_only; they declare "char **argv". For backward
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compatibility with old applications, if __GETOPT_PREFIX is not
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defined, we supply GNU-libc-compatible, but incorrect, prototypes
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using "char *const *argv". (GNU libc is stuck with the incorrect
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prototypes, as they are baked into older versions of LSB.) */
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#ifndef __getopt_argv_const
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# if defined __GETOPT_PREFIX
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# define __getopt_argv_const /* empty */
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# else
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# define __getopt_argv_const const
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# endif
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#endif
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#include <getopt-ext.h>
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#endif /* _GETOPT_PFX_EXT_H */
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