lwan_strbuf_append_printf() should have printf attribute

lpereira · Jan 6, 2019 · a701b92 · a701b92
1 parent b3c81af
commit a701b92
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/lib/lwan-strbuf.h b/src/lib/lwan-strbuf.h
@@ -43,7 +43,8 @@ void lwan_strbuf_reset(struct lwan_strbuf *s);
 
 bool lwan_strbuf_append_char(struct lwan_strbuf *s, const char c);
 bool lwan_strbuf_append_str(struct lwan_strbuf *s1, const char *s2, size_t sz);
-bool lwan_strbuf_append_printf(struct lwan_strbuf *s, const char *fmt, ...);
+bool lwan_strbuf_append_printf(struct lwan_strbuf *s, const char *fmt, ...)
+    __attribute__((format(printf, 2, 3)));
 
 bool lwan_strbuf_set_static(struct lwan_strbuf *s1, const char *s2, size_t sz);
 bool lwan_strbuf_set(struct lwan_strbuf *s1, const char *s2, size_t sz);