use __attribute__ to catch printf format mistakes
Use "__attribute__((format (printf,N,M)))", as is done in git, do catch
mistakes in printf-style format strings.
Signed-off-by: Mark Lodato <lodatom@gmail.com>
diff --git a/html.h b/html.h
index 16d55ec..1135fb8 100644
--- a/html.h
+++ b/html.h
@@ -5,7 +5,10 @@
extern void html_raw(const char *txt, size_t size);
extern void html(const char *txt);
+
+__attribute__((format (printf,1,2)))
extern void htmlf(const char *format,...);
+
extern void html_status(int code, const char *msg, int more_headers);
extern void html_txt(const char *txt);
extern void html_ntxt(int len, const char *txt);