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XZ Utils is free general-purpose data compression software with a high compression ratio
https://tukaani.org/xz/
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60 lines
2.2 KiB
60 lines
2.2 KiB
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/* Declarations for getopt.
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Copyright (C) 1989-2023 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, which supplies a different version of
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this file.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file 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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _GETOPT_H
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#define _GETOPT_H 1
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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 this header. When this happens, include the
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headers that might declare getopt so that they will not cause
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confusion if included after this file. Then systematically rename
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identifiers so that they do not collide with the system functions
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and variables. Renaming avoids problems with some compilers and
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linkers. */
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#if defined __GETOPT_PREFIX
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# include <stdlib.h>
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# include <stdio.h>
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# ifndef _MSC_VER
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# include <unistd.h>
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# endif
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#endif
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/* From Gnulib's lib/arg-nonnull.h: */
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/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
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that the values passed as arguments n, ..., m must be non-NULL pointers.
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n = 1 stands for the first argument, n = 2 for the second argument etc. */
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#ifndef _GL_ARG_NONNULL
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# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || defined __clang__
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# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
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# else
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# define _GL_ARG_NONNULL(params)
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# endif
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#endif
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#include <getopt-cdefs.h>
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#include <getopt-pfx-core.h>
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#include <getopt-pfx-ext.h>
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#endif /* _GETOPT_H */
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