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27 lines
1.2 KiB
C
27 lines
1.2 KiB
C
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/* A C macro for declaring that specific arguments must not be NULL.
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Copyright (C) 2009-2020 Free Software Foundation, Inc.
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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
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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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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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 License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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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_MINOR__ >= 3) || __GNUC__ > 3
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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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