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         int n;
  39         if (rv)
  40                 return rv;
  41         msg = ": memory allocation failure - aborting\n";
  42         n = write(2, Name, strlen(Name));
  43         n += write(2, msg, strlen(msg));
  44         exit(4+!!n);
  45 }
  46
  47 void *xrealloc(void *ptr, size_t len)
  48 {
  49         void *rv = realloc(ptr, len);
  50         char *msg;
  51         int n;
  52         if (rv)
  53                 return rv;
  54         msg =  ": memory allocation failure - aborting\n";
  55         n = write(2, Name, strlen(Name));
  56         n += write(2, msg, strlen(msg));
  57         exit(4+!!n);
  58 }
  59
  60 void *xcalloc(size_t num, size_t size)
  61 {
  62         void *rv = calloc(num, size);
  63         char *msg;
  64         int n;
  65         if (rv)
  66                 return rv;
  67         msg =  ": memory allocation failure - aborting\n";
  68         n = write(2, Name, strlen(Name));
  69         n += write(2, msg, strlen(msg));
  70         exit(4+!!n);
  71 }
  72
  73 char *xstrdup(const char *str)
  74 {
  75         char *rv = strdup(str);
  76         char *msg;
  77         int n;
  78         if (rv)
  79                 return rv;
  80         msg =  ": memory allocation failure - aborting\n";
  81         n = write(2, Name, strlen(Name));
  82         n += write(2, msg, strlen(msg));
  83         exit(4+!!n);
  84 }