1 files changed, 43 insertions, 0 deletions
diff --git a/libtac/lib/xalloc.c b/libtac/lib/xalloc.c
new file mode 100644
index 0000000..88bbb28
--- /dev/null
+++ b/libtac/lib/xalloc.c
@@ -0,0 +1,43 @@
+/* xalloc.c - Failsafe memory allocation functions.
+ *            Taken from excellent glibc.info ;)
+ * 
+ * Copyright (C) 2010, Pawel Krawczyk <kravietz@ceti.pl> and
+ * Jeroen Nijhof <jeroen@nijhofnet.nl>
+ *
+ * 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 - see the file COPYING.
+ *
+ * See `CHANGES' file for revision history.
+ */
+
+#include <syslog.h>
+#include <stdlib.h>
+
+void *xcalloc(size_t nmemb, size_t size) {
+	register void *val = calloc(nmemb, size);
+	if(val == 0) {
+		syslog(LOG_ERR, "%s: calloc(%u,%u) failed", __FUNCTION__, 
+			(unsigned) nmemb, (unsigned) size);
+		exit(1);
+	}
+	return val;
+}
+
+void *xrealloc(void *ptr, size_t size) {
+	register void *val = realloc(ptr, size);
+	if(val == 0) {
+		syslog(LOG_ERR, "%s: realloc(%u) failed", __FUNCTION__, (unsigned) size);
+		exit(1);
+	}
+	return val;
+}