Silence clang-tidy warnings about atoi(getenv())

[tinc] / src / net_setup.c

diff --git a/src/net_setup.c b/src/net_setup.c
index b88f526..dd6c58f 100644 (file)
--- a/src/net_setup.c
+++ b/src/net_setup.c
@@ -1086,11 +1086,13 @@ static bool setup_myself(void) {
 
        /* Open sockets */
 
-       if(!do_detach && getenv("LISTEN_FDS")) {
+       const char *listen_fds = getenv("LISTEN_FDS");
+
+       if(!do_detach && listen_fds) {
                sockaddr_t sa;
                socklen_t salen;
 
-               listen_sockets = atoi(getenv("LISTEN_FDS"));
+               listen_sockets = atoi(listen_fds);
 #ifdef HAVE_UNSETENV
                unsetenv("LISTEN_FDS");
 #endif