silence compiler warning
This is primarily cosmetic, albeit it also provides an only very
slight improvement in compile time error checking.
diff --git a/include/xalloc.h b/include/xalloc.h
index f012fb2..2264eba 100644
--- a/include/xalloc.h
+++ b/include/xalloc.h
@@ -91,7 +91,8 @@
return ret;
}
-static inline int xvasprintf(char **strp, const char *fmt, va_list ap)
+static inline int __attribute__ ((__format__(printf, 2, 0)))
+xvasprintf(char **strp, const char *fmt, va_list ap)
{
int ret = vasprintf(&(*strp), fmt, ap);
if (ret < 0)
