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Fix the 2GB loading bug by passing the correct argument

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This commit is contained in:
Don Ho 2022-01-21 17:22:20 +01:00
parent 4f15b01591
commit 7ce1fd71fa
2 changed files with 23 additions and 10 deletions
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31
PowerEditor/src/ScintillaComponent/Buffer.cpp
View File

@ -642,10 +642,19 @@ void FileManager::closeBuffer(BufferID id, ScintillaEditView * identifier)
// backupFileName is sentinel of backup mode: if it's not NULL, then we use it (load it). Otherwise we use filename
BufferID FileManager::loadFile(const TCHAR * filename, Document doc, int encoding, const TCHAR *backupFileName, FILETIME fileNameTimestamp)
{
//Get file size
FILE* fp = generic_fopen(filename, TEXT("rb"));
if (!fp)
return BUFFER_INVALID;
_fseeki64(fp, 0, SEEK_END);
size_t fileSize = _ftelli64(fp);
fclose(fp);
bool ownDoc = false;
if (!doc)
{
doc = (Document)_pscratchTilla->execute(SCI_CREATEDOCUMENT);
// If file exceeds 200MB, activate large file mode
doc = (Document)_pscratchTilla->execute(SCI_CREATEDOCUMENT, 0, fileSize < (200 * 1024 * 1024) ? 0 : SC_DOCUMENTOPTION_STYLES_NONE | SC_DOCUMENTOPTION_TEXT_LARGE);
ownDoc = true;
}
@ -671,7 +680,7 @@ BufferID FileManager::loadFile(const TCHAR * filename, Document doc, int encodin
loadedFileFormat._eolFormat = EolType::unknown;
loadedFileFormat._language = L_TEXT;
bool res = loadFileData(doc, backupFileName ? backupFileName : fullpath, data, &UnicodeConvertor, loadedFileFormat);
bool res = loadFileData(doc, fileSize, backupFileName ? backupFileName : fullpath, data, &UnicodeConvertor, loadedFileFormat);
delete[] data;
@ -737,7 +746,15 @@ bool FileManager::reloadBuffer(BufferID id)
buf->_canNotify = false; //disable notify during file load, we don't want dirty status to be triggered
bool res = loadFileData(doc, buf->getFullPathName(), data, &UnicodeConvertor, loadedFileFormat);
//Get file size
FILE* fp = generic_fopen(buf->getFullPathName(), TEXT("rb"));
if (!fp)
return false;
_fseeki64(fp, 0, SEEK_END);
size_t fileSize = _ftelli64(fp);
fclose(fp);
bool res = loadFileData(doc, fileSize, buf->getFullPathName(), data, &UnicodeConvertor, loadedFileFormat);
delete[] data;
buf->_canNotify = true;
@ -1335,18 +1352,14 @@ LangType FileManager::detectLanguageFromTextBegining(const unsigned char *data,
return L_TEXT;
}
bool FileManager::loadFileData(Document doc, const TCHAR * filename, char* data, Utf8_16_Read * unicodeConvertor, LoadedFileFormat& fileFormat)
bool FileManager::loadFileData(Document doc, size_t fileSize, const TCHAR * filename, char* data, Utf8_16_Read * unicodeConvertor, LoadedFileFormat& fileFormat)
{
FILE *fp = generic_fopen(filename, TEXT("rb"));
if (!fp)
return false;
//Get file size
_fseeki64 (fp , 0 , SEEK_END);
unsigned __int64 fileSize =_ftelli64(fp);
rewind(fp);
// size/6 is the normal room Scintilla keeps for editing, but here we limit it to 1MiB when loading (maybe we want to load big files without editing them too much)
unsigned __int64 bufferSizeRequested = fileSize +min(1 << 20, fileSize / 6);
size_t bufferSizeRequested = fileSize +min(1 << 20, fileSize / 6);
NppParameters& nppParam = NppParameters::getInstance();
NativeLangSpeaker* pNativeSpeaker = nppParam.getNativeLangSpeaker();

2
PowerEditor/src/ScintillaComponent/Buffer.h
View File

@ -124,7 +124,7 @@ private:
FileManager& operator=(FileManager&&) = delete;
int detectCodepage(char* buf, size_t len);
bool loadFileData(Document doc, const TCHAR* filename, char* buffer, Utf8_16_Read* UnicodeConvertor, LoadedFileFormat& fileFormat);
bool loadFileData(Document doc, size_t fileSize, const TCHAR* filename, char* buffer, Utf8_16_Read* UnicodeConvertor, LoadedFileFormat& fileFormat);
LangType detectLanguageFromTextBegining(const unsigned char *data, size_t dataLen);