Only create cache file when no error occured. Ignore server errors when using download cache to make offline mode work again.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17702 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 5 insertions, 1 deletions

diff --git a/rbutil/rbutilqt/httpget.cpp b/rbutil/rbutilqt/httpget.cpp
index 9c102f8..f4e2e04 100644
--- a/rbutil/rbutilqt/httpget.cpp
+++ b/rbutil/rbutilqt/httpget.cpp
@@ -291,7 +291,7 @@ void HttpGet::httpDone(bool error)
     if(!outputToBuffer)
         outputFile->close();
 
-    if(m_usecache && !m_cached) {
+    if(m_usecache && !m_cached && !error) {
         qDebug() << "[HTTP] creating cache file" << m_cachefile;
         QFile c(m_cachefile);
         c.open(QIODevice::ReadWrite);
@@ -305,6 +305,10 @@ void HttpGet::httpDone(bool error)
 
         c.close();
     }
+    // if cached file found and cache enabled ignore http errors
+    if(m_usecache && m_cached && !http.hasPendingRequests()) {
+        error = false;
+    }
     // take care of concurring requests. If there is still one running,
     // don't emit done(). That request will call this slot again.
     if(http.currentId() == 0 && !http.hasPendingRequests())