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Make sure that we only write the number of bytes that we read.

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BUG:122698


git-svn-id: svn://anonsvn.kde.org/home/kde/trunk/kdesupport/taglib@689596 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
This commit is contained in:
Scott Wheeler 2007-07-18 16:41:10 +00:00
parent 838114d093
commit 183060d729
1 changed files with 8 additions and 3 deletions
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11
taglib/toolkit/tfile.cpp
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@ -325,6 +325,7 @@ void File::insert(const ByteVector &data, ulong start, ulong replace)
// that aren't yet in memory, so this is necessary.
ulong bufferLength = bufferSize();
while(data.size() - replace > bufferLength)
bufferLength += bufferSize();
@ -352,10 +353,14 @@ void File::insert(const ByteVector &data, ulong start, ulong replace)
buffer = aboutToOverwrite;
// In case we've already reached the end of file...
buffer.resize(bytesRead);
// Ok, here's the main loop. We want to loop until the read fails, which
// means that we hit the end of the file.
while(bytesRead != 0) {
while(!buffer.isEmpty()) {
// Seek to the current read position and read the data that we're about
// to overwrite. Appropriately increment the readPosition.
@ -375,8 +380,8 @@ void File::insert(const ByteVector &data, ulong start, ulong replace)
// writePosition.
seek(writePosition);
fwrite(buffer.data(), sizeof(char), bufferLength, d->file);
writePosition += bufferLength;
fwrite(buffer.data(), sizeof(char), buffer.size(), d->file);
writePosition += buffer.size();
// Make the current buffer the data that we read in the beginning.