From 6be99f941dcaaf477961ca740ebeae66046d2341 Mon Sep 17 00:00:00 2001
From: David Kocik <kocikdav@gmail.com>
Date: Mon, 30 Aug 2021 10:25:21 +0200
Subject: [PATCH] Escaping of backslash

---
 src/slic3r/GUI/DesktopIntegrationDialog.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/DesktopIntegrationDialog.cpp b/src/slic3r/GUI/DesktopIntegrationDialog.cpp
index d34d0730e..935121935 100644
--- a/src/slic3r/GUI/DesktopIntegrationDialog.cpp
+++ b/src/slic3r/GUI/DesktopIntegrationDialog.cpp
@@ -28,7 +28,7 @@ namespace {
 std::string escape_string(const std::string& str)
 {
     // The buffer needs to be bigger if escaping <,>,&
-    std::vector<char> out(str.size() * 2, 0);
+    std::vector<char> out(str.size() * 4, 0);
     char *outptr = out.data();
     for (size_t i = 0; i < str.size(); ++ i) {
         char c = str[i];
@@ -45,6 +45,8 @@ std::string escape_string(const std::string& str)
         } else if (c == '\\') { // backslash character
             (*outptr ++) = '\\';
             (*outptr ++) = '\\';
+            (*outptr ++) = '\\';
+            (*outptr ++) = '\\';
         //  Reserved characters   
         // At Ubuntu, all these characters must NOT be escaped for desktop integration to work
         /*