db/malloc.c

   1 /*
   2  * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19 #include <xfs/libxfs.h>
  20 #include "init.h"
  21 #include "malloc.h"
  22 #include "output.h"
  23
  24 static void
  25 badmalloc(void)
  26 {
  27         dbprintf(_("%s: out of memory\n"), progname);
  28         exit(4);
  29 }
  30
  31 void *
  32 xcalloc(
  33         size_t  nelem,
  34         size_t  elsize)
  35 {
  36         void    *ptr;
  37
  38         ptr = calloc(nelem, elsize);
  39         if (ptr)
  40                 return ptr;
  41         badmalloc();
  42         /* NOTREACHED */
  43         return NULL;
  44 }
  45
  46 void
  47 xfree(
  48         void    *ptr)
  49 {
  50         free(ptr);
  51 }
  52
  53 void *
  54 xmalloc(
  55         size_t  size)
  56 {
  57         void    *ptr;
  58
  59         ptr = valloc(size);
  60         if (ptr)
  61                 return ptr;
  62         badmalloc();
  63         /* NOTREACHED */
  64         return NULL;
  65 }
  66
  67 void *
  68 xrealloc(
  69         void    *ptr,
  70         size_t  size)
  71 {
  72         ptr = realloc(ptr, size);
  73         if (ptr || !size)
  74                 return ptr;
  75         badmalloc();
  76         /* NOTREACHED */
  77         return NULL;
  78 }
  79
  80 char *
  81 xstrdup(
  82         const char      *s1)
  83 {
  84         char            *s;
  85
  86         s = strdup(s1);
  87         if (s)
  88                 return s;
  89         badmalloc();
  90         /* NOTREACHED */
  91         return NULL;
  92 }