From d0aa8a446deaabfcc162a7af97ab24e6bd8440bc Mon Sep 17 00:00:00 2001
From: Sami Kerola
Date: Wed, 25 Jul 2012 21:15:34 +0200
Subject: include: define format to be constant in xasprintf()

Add also format function attribute to add robustness.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
 include/xalloc.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'include/xalloc.h')

diff --git a/include/xalloc.h b/include/xalloc.h
index 8c22ff76a..1704259bc 100644
--- a/include/xalloc.h
+++ b/include/xalloc.h
@@ -63,7 +63,8 @@ static inline char *xstrdup(const char *str)
         return ret;
 }
 
-static inline int xasprintf(char **strp, char *fmt, ...)
+static inline int __attribute__ ((__format__(printf, 2, 3)))
+    xasprintf(char **strp, const char *fmt, ...)
 {
 	int ret;
 	va_list args;
-- 
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