db/malloc.c

   1 /*
   2  * Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of version 2 of the GNU General Public License as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it would be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11  *
  12  * Further, this software is distributed without any warranty that it is
  13  * free of the rightful claim of any third person regarding infringement
  14  * or the like.  Any license provided herein, whether implied or
  15  * otherwise, applies only to this software file.  Patent licenses, if
  16  * any, provided herein do not apply to combinations of this program with
  17  * other software, or any other product whatsoever.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write the Free Software Foundation, Inc., 59
  21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
  22  *
  23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  24  * Mountain View, CA  94043, or:
  25  *
  26  * http://www.sgi.com
  27  *
  28  * For further information regarding this notice, see:
  29  *
  30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  31  */
  32
  33 #include <xfs/libxfs.h>
  34 #include "init.h"
  35 #include "malloc.h"
  36 #include "output.h"
  37
  38 static void
  39 badmalloc(void)
  40 {
  41         dbprintf("%s: out of memory\n", progname);
  42         exit(4);
  43 }
  44
  45 void *
  46 xcalloc(
  47         size_t  nelem,
  48         size_t  elsize)
  49 {
  50         void    *ptr;
  51
  52         ptr = calloc(nelem, elsize);
  53         if (ptr)
  54                 return ptr;
  55         badmalloc();
  56         /* NOTREACHED */
  57         return NULL;
  58 }
  59
  60 void
  61 xfree(
  62         void    *ptr)
  63 {
  64         free(ptr);
  65 }
  66
  67 void *
  68 xmalloc(
  69         size_t  size)
  70 {
  71         void    *ptr;
  72
  73         ptr = valloc(size);
  74         if (ptr)
  75                 return ptr;
  76         badmalloc();
  77         /* NOTREACHED */
  78         return NULL;
  79 }
  80
  81 void *
  82 xrealloc(
  83         void    *ptr,
  84         size_t  size)
  85 {
  86         ptr = realloc(ptr, size);
  87         if (ptr || !size)
  88                 return ptr;
  89         badmalloc();
  90         /* NOTREACHED */
  91         return NULL;
  92 }
  93
  94 char *
  95 xstrdup(
  96         const char      *s1)
  97 {
  98         char            *s;
  99
 100         s = strdup(s1);
 101         if (s)
 102                 return s;
 103         badmalloc();
 104         /* NOTREACHED */
 105         return NULL;
 106 }