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/* stdckdint.h -- checked integer arithmetic
Copyright 2022-2025 Free Software Foundation, Inc.
This program 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 program 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/>. */
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@
#ifndef _@GUARD_PREFIX@_STDCKDINT_H
/* The include_next requires a split double-inclusion guard. */
#if defined __cplusplus ? @HAVE_CXX_STDCKDINT_H@ : @HAVE_C_STDCKDINT_H@
# @INCLUDE_NEXT@ @NEXT_STDCKDINT_H@
#endif
#ifndef _@GUARD_PREFIX@_STDCKDINT_H
#define _@GUARD_PREFIX@_STDCKDINT_H
/* Do nothing but include the system header if it works properly. */
# if defined __cplusplus ? !@HAVE_WORKING_CXX_STDCKDINT_H@ : !@HAVE_WORKING_C_STDCKDINT_H@
/* Avoid redefining macros. */
# undef ckd_add
# undef ckd_sub
# undef ckd_mul
# include "intprops-internal.h"
/* Store into *R the low-order bits of A + B, A - B, A * B, respectively.
Return 1 if the result overflows, 0 otherwise.
A, B, and *R can have any integer type other than char, bool, a
bit-precise integer type, or an enumeration type.
These are like the standard macros introduced in C23, except that
arguments should not have side effects. The C++26 standard is
expected to add this header and it's macros. */
# define ckd_add(r, a, b) ((bool) _GL_INT_ADD_WRAPV (a, b, r))
# define ckd_sub(r, a, b) ((bool) _GL_INT_SUBTRACT_WRAPV (a, b, r))
# define ckd_mul(r, a, b) ((bool) _GL_INT_MULTIPLY_WRAPV (a, b, r))
# endif /* defined __cplusplus ? @HAVE_WORKING_CXX_STDCKDINT_H@ : @HAVE_WORKING_C_STDCKDINT_H@ */
#endif /* _@GUARD_PREFIX@_STDCKDINT_H */
#endif /* _@GUARD_PREFIX@_STDCKDINT_H */
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