more: add __format__ attribute

Reported-by: Jan Pazdziora <jpazdziora@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/text-utils/more.c b/text-utils/more.c
index 3cb2ca3af38803d0a2948b5ea2aa44070d7c94fc..fe5b1d2459f77cc1ac47a01da8aa344e2773c27d 100644 (file)
--- a/text-utils/more.c
+++ b/text-utils/more.c
@@ -1209,7 +1209,8 @@ static void sigwinch_handler(struct more_control *ctl)
        prepare_line_buffer(ctl);
 }
 
-static void execute(struct more_control *ctl, char *filename, char *cmd, ...)
+static void __attribute__((__format__ (__printf__, 3, 4)))
+       execute(struct more_control *ctl, char *filename, const char *cmd, ...)
 {
        pid_t id;
        va_list argp;