support/xrealloc.c

   1 /* Error-checking wrapper for realloc.
   2    Copyright (C) 2016-2020 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
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24
  25 void *
  26 xrealloc (void *p, size_t n)
  27 {
  28   void *result = realloc (p, n);
  29   if (result == NULL && (n > 0 || p == NULL))
  30     oom_error ("realloc", n);
  31   return result;
  32 }