curvetun: Add __noreturn attribute to exiting functions

Add the __noreturn attribute to all functions which wont return
but call die() themselves to exit().

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 2 insertions, 2 deletions

diff --git a/curvetun.c b/curvetun.c
index de33a5f..eeb4de1 100644
--- a/curvetun.c
+++ b/curvetun.c
@@ -88,7 +88,7 @@ static void signal_handler(int number)
 	}
 }
 
-static void help(void)
+static void __noreturn help(void)
 {
 	printf("\ncurvetun %s, lightweight curve25519-based VPN/IP tunnel\n", VERSION_STRING);
 	puts("http://www.netsniff-ng.org\n\n"
@@ -130,7 +130,7 @@ static void help(void)
 	die();
 }
 
-static void version(void)
+static void __noreturn version(void)
 {
 	printf("\ncurvetun %s, lightweight curve25519-based VPN/IP tunnel\n", VERSION_STRING);
 	puts("http://www.netsniff-ng.org\n\n"