--- a/common/strhelp.c	Fri Apr 04 17:13:35 2014 +0200
+++ b/common/strhelp.c	Fri Apr 04 17:58:14 2014 +0200
@@ -1,4 +1,8 @@
+/* Needed to get asprintf */
+#define _GNU_SOURCE 1
+
 #include <ctype.h>
+#include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -194,6 +198,21 @@
     free (p);
 }
 
+int
+xasprintf (char **strp, const char *fmt, ...)
+{
+  int ret;
+  va_list ap;
+  va_start(ap, fmt);
+  ret = vasprintf(strp, fmt, ap);
+  va_end(ap);
+
+  if (ret == -1)
+    out_of_core();
+
+  return ret;
+}
+
 #ifdef WIN32
 /* Adapted from GPGOL rev. e512053 */
 char *