From: Karel Zak <kzak@redhat.com>
Date: Thu, 9 Jan 2014 13:48:49 +0000 (+0100)
Subject: include/xalloc: add xvasprintf()
X-Git-Tag: v2.25-rc1~509
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2e6c3a53f9fb5d8bbebe88951f3e0ddefb5ca429;p=thirdparty%2Futil-linux.git

include/xalloc: add xvasprintf()

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/include/xalloc.h b/include/xalloc.h
index 105d713b15..f012fb2946 100644
--- a/include/xalloc.h
+++ b/include/xalloc.h
@@ -91,6 +91,14 @@ static inline int __attribute__ ((__format__(printf, 2, 3)))
 	return ret;
 }
 
+static inline int xvasprintf(char **strp, const char *fmt, va_list ap)
+{
+	int ret = vasprintf(&(*strp), fmt, ap);
+	if (ret < 0)
+		err(XALLOC_EXIT_CODE, "cannot allocate string");
+	return ret;
+}
+
 
 static inline char * __attribute__((warn_unused_result)) xgethostname(void)
 {