1 files changed, 20 insertions, 0 deletions
diff --git a/common/miscellaneous.c b/common/miscellaneous.c
index bdb12c574..4937bd7ce 100644
--- a/common/miscellaneous.c
+++ b/common/miscellaneous.c
@@ -25,6 +25,26 @@
 #include "util.h"
 #include "iobuf.h"
 
+/* Same as asprintf but return an allocated buffer suitable to be
+   freed using xfree.  This function simply dies on memory failure,
+   thus no extra check is required. */
+char *
+xasprintf (const char *fmt, ...)
+{
+  va_list ap;
+  char *buf, *p;
+
+  va_start (ap, fmt);
+  if (vasprintf (&buf, fmt, ap) < 0)
+    log_fatal ("asprintf failed: %s\n", strerror (errno));
+  va_end (ap);
+  p = xstrdup (buf);
+  free (buf);
+  return p;
+}
+
+
+
 /* Decide whether the filename is stdout or a real filename and return
  * an appropriate string.  */
 const char *