[PATCH rendercheck 1/2] Fix errx handling of va_list

[Peter Hutterer]

And set the function attribute to printf-style

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 rendercheck.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/rendercheck.h b/rendercheck.h
index 7dc9dc9..89db20d 100644
--- a/rendercheck.h
+++ b/rendercheck.h
@@ -31,12 +31,14 @@
 #else
 # include <stdarg.h>
 # include <stdlib.h>
-static inline void errx(int eval, const char *fmt, ...) {
+__attribute__((format(printf, 2, 3)))
+static inline void errx(int eval, const char *fmt, ...)
+{
     va_list args;
 
     va_start(args, fmt);
     fprintf(stderr, "Fatal Error: ");
-    fprintf(stderr, fmt, args);
+    vfprintf(stderr, fmt, args);
     fprintf(stderr, "\n");
     va_end(args);
     exit(eval);
-- 
2.9.3