xmalloc.c

   1 /* mdadm - manage Linux "md" devices aka RAID arrays.
   2  *
   3  * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
   4  *
   5  *
   6  *    This program is free software; you can redistribute it and/or modify
   7  *    it under the terms of the GNU General Public License as published by
   8  *    the Free Software Foundation; either version 2 of the License, or
   9  *    (at your option) any later version.
  10  *
  11  *    This program is distributed in the hope that it will be useful,
  12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *    GNU General Public License for more details.
  15  *
  16  *    You should have received a copy of the GNU General Public License
  17  *    along with this program; if not, write to the Free Software
  18  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *    Author: Neil Brown
  21  *    Email: <neilb@suse.de>
  22  */
  23
  24 #include        "mdadm.h"
  25 /*#include      <sys/socket.h>
  26 #include        <sys/utsname.h>
  27 #include        <sys/wait.h>
  28 #include        <sys/un.h>
  29 #include        <ctype.h>
  30 #include        <dirent.h>
  31 #include        <signal.h>
  32 */
  33
  34 void *xmalloc(size_t len)
  35 {
  36         void *rv = malloc(len);
  37         char *msg;
  38         if (rv)
  39                 return rv;
  40         msg = ": memory allocation failure - aborting\n";
  41         write(2, Name, strlen(Name));
  42         exit(4+!!write(2, msg, strlen(msg)));
  43 }
  44
  45 void *xrealloc(void *ptr, size_t len)
  46 {
  47         void *rv = realloc(ptr, len);
  48         char *msg;
  49         if (rv)
  50                 return rv;
  51         msg =  ": memory allocation failure - aborting\n";
  52         write(2, Name, strlen(Name));
  53         exit(4+!!write(2, msg, strlen(msg)));
  54 }
  55
  56 void *xcalloc(size_t num, size_t size)
  57 {
  58         void *rv = calloc(num, size);
  59         char *msg;
  60         if (rv)
  61                 return rv;
  62         msg =  ": memory allocation failure - aborting\n";
  63         write(2, Name, strlen(Name));
  64         exit(4+!!write(2, msg, strlen(msg)));
  65 }
  66
  67 char *xstrdup(const char *str)
  68 {
  69         char *rv = strdup(str);
  70         char *msg;
  71         if (rv)
  72                 return rv;
  73         msg =  ": memory allocation failure - aborting\n";
  74         write(2, Name, strlen(Name));
  75         exit(4+!!write(2, msg, strlen(msg)));
  76 }