flock: use function attributes

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

diff --git a/sys-utils/flock.c b/sys-utils/flock.c
index 560dfb26aab9d9739db732ebded3f18d1141aa1b..3f5262cf10aa5f6c412e6498c15dee9c7ec4bcbf 100644 (file)
--- a/sys-utils/flock.c
+++ b/sys-utils/flock.c
@@ -42,7 +42,7 @@
 #include "c.h"
 #include "nls.h"
 
-static void usage(int ex)
+static void __attribute__((__noreturn__)) usage(int ex)
 {
        fprintf(stderr, USAGE_HEADER);
        fprintf(stderr,
@@ -67,9 +67,8 @@ static void usage(int ex)
 
 static sig_atomic_t timeout_expired = 0;
 
-static void timeout_handler(int sig)
+static void timeout_handler(int sig __attribute__((__unused__)))
 {
-       (void)sig;
        timeout_expired = 1;
 }