archive writer: Add string formatting attribute

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/pakfire/archive_writer.h b/src/pakfire/archive_writer.h
index 70070f55adebbec41871f83eab7d866eeedf4c53..619a5a32f9a65f882d2319757ebf351716b1074b 100644 (file)
--- a/src/pakfire/archive_writer.h
+++ b/src/pakfire/archive_writer.h
@@ -46,7 +46,7 @@ struct pakfire_archive_writer* pakfire_archive_writer_ref(struct pakfire_archive
 struct pakfire_archive_writer* pakfire_archive_writer_unref(struct pakfire_archive_writer* self);
 
 int pakfire_archive_writer_set_title(struct pakfire_archive_writer* self,
-       const char* format, ...);
+       const char* format, ...) __attribute__((format(printf, 2, 3)));
 
 int pakfire_archive_writer_write_files(
        struct pakfire_archive_writer* self, struct pakfire_filelist* files);