Merge pull request #1111 from sofia-riese/patch-4

refactor(gateway): replace recursion with while loop

scripts/menus/7_gateway.sh

@@ -10,6 +10,7 @@ __IS_MODULE_7_GATEWAY_LOADED=1
 
 # 访问与控制主菜单
 gateway() {
+    while true; do
         echo "-----------------------------------------------"
         echo -e "\033[30;47m欢迎使用访问与控制菜单：\033[0m"
         echo "-----------------------------------------------"
@@ -26,7 +27,9 @@ gateway(){
         echo "-----------------------------------------------"
         read -p "请输入对应数字 > " num
         case "$num" in
-	0) ;;
+        "" | 0)
+            break
+            ;;
         1)
             echo "-----------------------------------------------"
             if [ -n "$(pidof CrashCore)" ] && [ "$firewall_mod" = 'iptables' ]; then
@@ -35,23 +38,18 @@ gateway(){
             else
                 set_fw_wan
             fi
-		gateway
             ;;
         2)
             set_bot_tg
-		gateway
             ;;
         3)
             . "$CRASHDIR"/menus/ddns.sh && ddns_menu
-		gateway
             ;;
         4)
             set_vmess
-		gateway
             ;;
         5)
             set_shadowsocks
-		gateway
             ;;
         6)
             if echo "$crashcore" | grep -q 'sing'; then
@@ -60,7 +58,6 @@ gateway(){
                 echo -e "\033[33m$crashcore内核暂不支持此功能，请先更换内核！\033[0m"
                 sleep 1
             fi
-		gateway
             ;;
         7)
             if echo "$crashcore" | grep -q 'sing'; then
@@ -69,11 +66,16 @@ gateway(){
                 echo -e "\033[33m$crashcore内核暂不支持此功能，请先更换内核！\033[0m"
                 sleep 1
             fi
-		gateway
             ;;
-	*) errornum ;;
+        *)
+            errornum
+            sleep 1
+            break
+            ;;
         esac
+    done
 }
+
 #公网防火墙
 set_fw_wan() {
 	[ -z "$fw_wan" ] && fw_wan=ON