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41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/* Copyright (C) 2023-2025 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC 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 General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* ISO C23: 7.20 Checked Integer Arithmetic <stdckdint.h>. */
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#ifndef _STDCKDINT_H
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#define _STDCKDINT_H
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#define __STDC_VERSION_STDCKDINT_H__ 202311L
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#define ckd_add(r, a, b) ((_Bool) __builtin_add_overflow (a, b, r))
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#define ckd_sub(r, a, b) ((_Bool) __builtin_sub_overflow (a, b, r))
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#define ckd_mul(r, a, b) ((_Bool) __builtin_mul_overflow (a, b, r))
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/* Allow for the C library to add its part to the header. */
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#if !defined (_LIBC_STDCKDINT_H) && __has_include_next (<stdckdint.h>)
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# include_next <stdckdint.h>
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#endif
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#endif /* stdckdint.h */
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