Declare cant_listen() noreturn

Local analysis can now easily find out what's up.  Before, inter-
procedural analysis was required.  The Clang Static Analyzer
complained about a dereference of res that is actually fine.

diff --git a/src/lib/gen/tcp_listen.c b/src/lib/gen/tcp_listen.c
index 76159e482ed072b19a8e6cb65aab7f7bbed8a1f9..74ceb4c2ece03029446ef751c5956696b4f6e302 100644 (file)
--- a/src/lib/gen/tcp_listen.c
+++ b/src/lib/gen/tcp_listen.c
@@ -51,7 +51,8 @@
 #define AI_ADDRCONFIG 0
 #endif
 
-static void cant_listen(char *, char *, const char *);
+static void cant_listen(char *, char *, const char *)
+    ATTRIBUTE((noreturn));
 
 int
 tcp_listen(char *host, char *serv, size_t *addrlenp)