Remove potential unneeded string operations

Author: JoshuaBehrens

sapi/fpm/fpm/fpm_unix.c

@@ -66,19 +66,23 @@ static struct passwd *fpm_unix_get_passwd(struct fpm_worker_pool_s *wp, const ch
 
 static inline bool fpm_unix_check_listen_address(struct fpm_worker_pool_s *wp, const char *address, int flags)
 {
-    struct sockaddr_un test_socket;
-    size_t address_length = strlen(address);
-    size_t socket_length = sizeof(test_socket.sun_path);
-
     if (wp->listen_address_domain != FPM_AF_UNIX) {
         return true;
     }
 
+    struct sockaddr_un test_socket;
+    size_t address_length = strlen(address);
+    size_t socket_length = sizeof(test_socket.sun_path);
+
     if (address_length < socket_length) {
         return true;
     }
 
-    zlog(flags, "[pool %s] cannot bind to UNIX socket '%s' as path is too long (found length: %lu, maximal length: %lu)", wp->config->name, address, address_length, socket_length);
+    zlog(
+        flags,
+        "[pool %s] cannot bind to UNIX socket '%s' as path is too long (found length: %lu, maximal length: %lu)",
+        wp->config->name, address, address_length, socket_length
+    );
 
     return false;
 }