kc3-lang/gnulib/lib/stdckdint.in.h

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• Hash : 32a72f45
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  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• lib/stdckdint.in.h

• /* stdckdint.h -- checked integer arithmetic
  
     Copyright 2022-2023 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/>.  */
  
  #ifndef _GL_STDCKDINT_H
  #define _GL_STDCKDINT_H
  
  #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.  */
  
  #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 /* _GL_STDCKDINT_H */
  

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