X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/6940b23b9e4698ba466a4616e4de77b986560ad3..682adbc0cad2baa1a6119013b166f52de3ee3352:/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);