Add xasprintf.

2 files changed, 19 insertions, 2 deletions

diff --git a/usr.sbin/ldomctl/util.c b/usr.sbin/ldomctl/util.c
index e2c3213b53d..89437f72ae3 100644
--- a/usr.sbin/ldomctl/util.c
+++ b/usr.sbin/ldomctl/util.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: util.c,v 1.2 2012/10/27 18:50:43 kettenis Exp $	*/
+/*	$OpenBSD: util.c,v 1.3 2012/11/24 10:42:46 kettenis Exp $	*/
 
 /*
  * Copyright (c) 2012 Mark Kettenis
@@ -17,6 +17,8 @@
  */
 
 #include <err.h>
+#include <stdarg.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -55,3 +57,17 @@ xstrdup(const char *s)
 		err(1, NULL);
 	return p;
 }
+
+int
+xasprintf(char **str, const char *fmt, ...)
+{
+	va_list ap;
+	int ret;
+
+	va_start(ap, fmt);
+	ret = vasprintf(str, fmt, ap);
+	va_end(ap);
+	if (ret == -1)
+		err(1, NULL);
+	return ret;
+}
diff --git a/usr.sbin/ldomctl/util.h b/usr.sbin/ldomctl/util.h
index 51b6681480d..9f93388e76d 100644
--- a/usr.sbin/ldomctl/util.h
+++ b/usr.sbin/ldomctl/util.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: util.h,v 1.2 2012/10/27 18:50:43 kettenis Exp $	*/
+/*	$OpenBSD: util.h,v 1.3 2012/11/24 10:42:46 kettenis Exp $	*/
 
 /*
  * Copyright (c) 2012 Mark Kettenis
@@ -24,6 +24,7 @@ extern int debug;
 void *xmalloc(size_t);
 void *xzalloc(size_t);
 char *xstrdup(const char *);
+int xasprintf(char**, const char *, ...);
 
 #define min(a, b)	((a) < (b) ? (a) : (b))
 #define max(a, b)	((a) > (b) ? (a) : (b))