From 0eaec3a16288f9590e562dff7263b3d804b47ed8 Mon Sep 17 00:00:00 2001
From: Tindy X <49061470+tindy2013@users.noreply.github.com>
Date: Wed, 26 Feb 2020 23:46:54 +0800
Subject: [PATCH] Fix a bug

Fix a crash when no nodes are found when generating Quantumult (X) node lists.
---
 src/subexport.cpp | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/subexport.cpp b/src/subexport.cpp
index 210e93a..44122e7 100644
--- a/src/subexport.cpp
+++ b/src/subexport.cpp
@@ -1415,11 +1415,13 @@ std::string netchToQuan(std::vector<nodeInfo> &nodes, std::string &base_conf, st
     if(ext.nodelist)
     {
         string_array allnodes;
+        std::string allLinks;
         ini.GetAll("SERVER", "{NONAME}", allnodes);
-        std::string allLinks = std::accumulate(std::next(allnodes.begin()), allnodes.end(), allnodes[0], [](std::string a, std::string b)
-        {
-            return std::move(a) + "\n" + std::move(b);
-        });
+        if(allnodes.size())
+            allLinks = std::accumulate(std::next(allnodes.begin()), allnodes.end(), allnodes[0], [](std::string a, std::string b)
+            {
+                return std::move(a) + "\n" + std::move(b);
+            });
         return base64_encode(allLinks);
     }
     return ini.ToString();
@@ -1639,11 +1641,13 @@ std::string netchToQuanX(std::vector<nodeInfo> &nodes, std::string &base_conf, s
     if(ext.nodelist)
     {
         string_array allnodes;
+        std::string allLinks;
         ini.GetAll("server_local", "{NONAME}", allnodes);
-        std::string allLinks = std::accumulate(std::next(allnodes.begin()), allnodes.end(), allnodes[0], [](std::string a, std::string b)
-        {
-            return std::move(a) + "\n" + std::move(b);
-        });
+        if(allnodes.size())
+            allLinks = std::accumulate(std::next(allnodes.begin()), allnodes.end(), allnodes[0], [](std::string a, std::string b)
+            {
+                return std::move(a) + "\n" + std::move(b);
+            });
         return allLinks;
     }
     return ini.ToString();