X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/6a8f65bf184d85a0c51ffecca16f48e6f4b1ff12..1415f3f3e017d0123e850707c55cb7e5e5887406:/html.h

diff --git a/html.h b/html.h
index 16d55ec..1135fb8 100644
--- a/html.h
+++ b/html.h
@@ -5,7 +5,10 @@ extern int htmlfd;
 
 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);