commit 80fcc83fc269eb5b370700646f12cd0b099f1e3c Author: Michael Schloh von Bennewitz michael@schloh.com Date: Thu Jun 5 03:53:15 2014 -0700

Bug #9701: Prevent ClipBoardCache from writing to disk.

This disables the disk activity entirely. It seems as though there is no reason in to write backup copies of clipboard data to disk, as the clipboard code does not release the related memory upon disk writes anyway.

See https://trac.torproject.org/projects/tor/ticket/9701. --- widget/xpwidgets/nsTransferable.cpp | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/widget/xpwidgets/nsTransferable.cpp b/widget/xpwidgets/nsTransferable.cpp index 2f15f47..d94ecd9 100644 --- a/widget/xpwidgets/nsTransferable.cpp +++ b/widget/xpwidgets/nsTransferable.cpp @@ -58,6 +58,7 @@ DataStruct::~DataStruct() void DataStruct::SetData ( nsISupports* aData, uint32_t aDataLen ) { +#if 0 // Remove unnecessary disk caching to accommodate https://www.torproject.org/projects/torbrowser/design/#disk-avoidance // Now, check to see if we consider the data to be "too large" if (aDataLen > kLargeDatasetSize) { // if so, cache it to disk instead of memory @@ -66,6 +67,7 @@ DataStruct::SetData ( nsISupports* aData, uint32_t aDataLen ) else NS_WARNING("Oh no, couldn't write data to the cache file"); } +#endif // #if 0

mData = aData; mDataLen = aDataLen;