From 7a44e55045954ea0af06ab98ccfb41b18c1747f2 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 30 Sep 2010 01:28:11 -0400
Subject: mtd-utils: add xasprintf() helper

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 include/xalloc.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/xalloc.h b/include/xalloc.h
index 5d145d9..d49a1ae 100644
--- a/include/xalloc.h
+++ b/include/xalloc.h
@@ -77,4 +77,24 @@ static char *xstrdup(const char *s)
 	return t;
 }
 
+#ifdef _GNU_SOURCE
+#include <stdarg.h>
+
+__attribute__((unused))
+static int xasprintf(char **strp, const char *fmt, ...)
+{
+	int cnt;
+	va_list ap;
+
+	va_start(ap, fmt);
+	cnt = vasprintf(strp, fmt, ap);
+	va_end(ap);
+
+	if (cnt == -1)
+		sys_errmsg_die("asprintf(...) failed");
+
+	return cnt;
+}
+#endif
+
 #endif /* !__MTD_UTILS_XALLOC_H__ */
-- 
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