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[BUG_FIXED] (Author: Andreas Jonsson) Fix opening the same file twice due to its different path (symbol link).

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git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1056 f5eea248-9336-0410-98b8-ebc06183d4e3
This commit is contained in:
Don Ho 2013-06-09 00:01:08 +00:00
parent 7e66078bed
commit fe5b147fe3
1 changed files with 55 additions and 0 deletions
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55
PowerEditor/src/ScitillaComponent/Buffer.cpp
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@ -893,6 +893,7 @@ bool FileManager::loadFileData(Document doc, const TCHAR * filename, Utf8_16_Rea
return success; return success;
} }
/*
BufferID FileManager::getBufferFromName(const TCHAR * name) { BufferID FileManager::getBufferFromName(const TCHAR * name) {
TCHAR fullpath[MAX_PATH]; TCHAR fullpath[MAX_PATH];
::GetFullPathName(name, MAX_PATH, fullpath, NULL); ::GetFullPathName(name, MAX_PATH, fullpath, NULL);
@ -903,6 +904,60 @@ BufferID FileManager::getBufferFromName(const TCHAR * name) {
} }
return BUFFER_INVALID; return BUFFER_INVALID;
} }
*/
BufferID FileManager::getBufferFromName(const TCHAR * name)
{
HANDLE givenFile = ::CreateFile(name,
GENERIC_READ,
FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
BY_HANDLE_FILE_INFORMATION givenFileInfo, currentFileInfo;
if(givenFile == INVALID_HANDLE_VALUE)
return BUFFER_INVALID;
if(! ::GetFileInformationByHandle(givenFile, &givenFileInfo))
{
::CloseHandle(givenFile);
return BUFFER_INVALID;
}
::CloseHandle(givenFile);
const unsigned int bufferSize = _buffers.size();
for(size_t i = 0; i < bufferSize; i++)
{
HANDLE currentFile = ::CreateFile(_buffers.at(i)->getFullPathName(),
GENERIC_READ,
FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(currentFile != INVALID_HANDLE_VALUE)
{
if(::GetFileInformationByHandle(currentFile, &currentFileInfo))
{
if(currentFileInfo.dwVolumeSerialNumber == givenFileInfo.dwVolumeSerialNumber &&
currentFileInfo.nFileIndexLow == givenFileInfo.nFileIndexLow &&
currentFileInfo.nFileIndexHigh == givenFileInfo.nFileIndexHigh)
{
::CloseHandle(currentFile);
return _buffers.at(i)->getID();
}
}
::CloseHandle(currentFile);
}
}
return BUFFER_INVALID;
}
BufferID FileManager::getBufferFromDocument(Document doc) { BufferID FileManager::getBufferFromDocument(Document doc) {
for(size_t i = 0; i < _nrBufs; i++) { for(size_t i = 0; i < _nrBufs; i++) {