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      1 /* malloc() function that is glibc compatible.
      2 
      3    Copyright (C) 1997-1998, 2006-2007, 2009-2022 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 }
     52