checkpolicy: add noreturn attribute to usage()
While at it, make usage() static and mark its argument as const.
Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
diff --git a/checkpolicy/checkpolicy.c b/checkpolicy/checkpolicy.c
index c82f6f4..b98bfcd 100644
--- a/checkpolicy/checkpolicy.c
+++ b/checkpolicy/checkpolicy.c
@@ -102,7 +102,7 @@
unsigned int policyvers = POLICYDB_VERSION_MAX;
-void usage(char *progname)
+static __attribute__((__noreturn__)) void usage(const char *progname)
{
printf
("usage: %s [-b] [-C] [-d] [-U handle_unknown (allow,deny,reject)] [-M]"