From 0d85d0a777024ad795f3dd34705f9ac07b13fad0 Mon Sep 17 00:00:00 2001
From: Christophe Dumez <chris@qbittorrent.org>
Date: Tue, 22 Jun 2010 11:53:49 +0000
Subject: [PATCH] Free disk space calculation also works if the destination
 path does not exist

---
 src/misc.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/misc.cpp b/src/misc.cpp
index 75a6a4267..24689a5cd 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -134,9 +134,15 @@ QString misc::QDesktopServicesCacheLocation() {
 
 long long misc::freeDiskSpaceOnPath(QString path) {
   if(path.isEmpty()) return -1;
+  path = path.replace("\\", "/");
   QDir dir_path(path);
   if(!dir_path.exists()) {
-    if(!dir_path.cdUp()) return -1;
+    QStringList parts = path.split("/");
+    while (parts.size() > 1 && !QDir(parts.join("/")).exists()) {
+      parts.removeLast();
+    }
+    dir_path = QDir(parts.join("/"));
+    if(!dir_path.exists()) return -1;
   }
   Q_ASSERT(dir_path.exists());
 #ifndef Q_WS_WIN