Move xmalloc et al into their own file

This avoid code duplication for utilities that do not link to
util.c and everything that comes with it, such as test_restripe and
raid6check

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 72 insertions, 0 deletions

diff --git a/xmalloc.c b/xmalloc.c
new file mode 100644
index 0000000..8d42a7c
--- /dev/null
+++ b/xmalloc.c
@@ -0,0 +1,72 @@
+/* mdadm - manage Linux "md" devices aka RAID arrays.
+ *
+ * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
+ *
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *    Author: Neil Brown
+ *    Email: <neilb@suse.de>
+ */
+
+#include	"mdadm.h"
+/*#include	<sys/socket.h>
+#include	<sys/utsname.h>
+#include	<sys/wait.h>
+#include	<sys/un.h>
+#include	<ctype.h>
+#include	<dirent.h>
+#include	<signal.h>
+*/
+
+void *xmalloc(size_t len)
+{
+	void *rv = malloc(len);
+	char *msg;
+	if (rv)
+		return rv;
+	msg = Name ": memory allocation failure - aborting\n";
+	exit(4+!!write(2, msg, strlen(msg)));
+}
+
+void *xrealloc(void *ptr, size_t len)
+{
+	void *rv = realloc(ptr, len);
+	char *msg;
+	if (rv)
+		return rv;
+	msg = Name ": memory allocation failure - aborting\n";
+	exit(4+!!write(2, msg, strlen(msg)));
+}
+
+void *xcalloc(size_t num, size_t size)
+{
+	void *rv = calloc(num, size);
+	char *msg;
+	if (rv)
+		return rv;
+	msg = Name ": memory allocation failure - aborting\n";
+	exit(4+!!write(2, msg, strlen(msg)));
+}
+
+char *xstrdup(const char *str)
+{
+	char *rv = strdup(str);
+	char *msg;
+	if (rv)
+		return rv;
+	msg = Name ": memory allocation failure - aborting\n";
+	exit(4+!!write(2, msg, strlen(msg)));
+}