1  /* malloc() function that is glibc compatible.
       2  
       3     Copyright (C) 1997-1998, 2006-2007, 2009-2023 Free Software Foundation, Inc.
       4  
       5     This file is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU Lesser General Public License as
       7     published by the Free Software Foundation; either version 2.1 of the
       8     License, or (at your option) any later version.
       9  
      10     This file 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
      13     GNU Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  /* written by Jim Meyering and Bruno Haible */
      19  
      20  #define _GL_USE_STDLIB_ALLOC 1
      21  #include <config.h>
      22  
      23  #include <stdlib.h>
      24  
      25  #include <errno.h>
      26  
      27  #include "xalloc-oversized.h"
      28  
      29  /* Allocate an N-byte block of memory from the heap, even if N is 0.  */
      30  
      31  void *
      32  rpl_malloc (size_t n)
      33  {
      34    if (n == 0)
      35      n = 1;
      36  
      37    if (xalloc_oversized (n, 1))
      38      {
      39        errno = ENOMEM;
      40        return NULL;
      41      }
      42  
      43    void *result = malloc (n);
      44  
      45  #if !HAVE_MALLOC_POSIX
      46    if (result == NULL)
      47      errno = ENOMEM;
      48  #endif
      49  
      50    return result;
      51  }