support/xposix_memalign.c

   1 /* Error-checking wrapper for posix_memalign.
   2    Copyright (C) 2019-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <support/support.h>
  20 #include <stdlib.h>
  21 #include <errno.h>
  22
  23 void *
  24 xposix_memalign (size_t alignment, size_t n)
  25 {
  26   void *p = NULL;
  27
  28   int ret = posix_memalign (&p, alignment, n);
  29   if (ret)
  30     {
  31       errno = ret;
  32       oom_error ("posix_memalign", n);
  33     }
  34   return p;
  35 }