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Fix bug 103202; make nsLocalFileMac faster copying files by allocating a 512k buffer, and passing it to the MoreFiles routines that do file copying (which would otherwise use an internal 16K buffer). r=sdagley, sr=sspitzer.

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sfraser%netscape.com 2002-01-15 01:14:55 +00:00
parent 1d52798654
commit 1af143b53c
1 changed files with 19 additions and 2 deletions
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21
xpcom/io/nsLocalFileMac.cpp
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@ -1595,10 +1595,27 @@ nsresult nsLocalFile::MoveCopy( nsIFile* newParentDir, const char* newName, PRBo
macErr = ::FSpGetDirectoryID(&srcSpec, &dirID, &isDirectory);
if (macErr == noErr)
{
const PRInt32 kCopyBufferSize = (1024 * 512); // allocate our own buffer to speed file copies. Bug #103202
OSErr tempErr;
Handle copyBufferHand = ::TempNewHandle(kCopyBufferSize, &tempErr);
void* copyBuffer = nsnull;
PRInt32 copyBufferSize = 0;
// it's OK if the allocated failed; FSpFileCopy will just fall back on its own internal 16k buffer
if (copyBufferHand)
{
::HLock(copyBufferHand);
copyBuffer = *copyBufferHand;
copyBufferSize = kCopyBufferSize;
}
if ( isDirectory )
macErr = MacFSpDirectoryCopyRename( &srcSpec, &destSpec, newPascalName, NULL, 0, true, NULL );
macErr = MacFSpDirectoryCopyRename( &srcSpec, &destSpec, newPascalName, copyBuffer, copyBufferSize, true, NULL );
else
macErr = ::FSpFileCopy( &srcSpec, &destSpec, newPascalName, NULL, 0, true );
macErr = ::FSpFileCopy( &srcSpec, &destSpec, newPascalName, copyBuffer, copyBufferSize, true );
if (copyBufferHand)
::DisposeHandle(copyBufferHand);
}
}
else