VSILFILE *VSIFileFromMemBuffer( const char *pszFilename,
GByte *pabyData,
vsi_l_offset nDataLength,
int bTakeOwnership )
{
if( VSIFileManager::GetHandler("")
== VSIFileManager::GetHandler("/vsimem/") )
VSIInstallMemFileHandler();
VSIMemFilesystemHandler *poHandler =
static_cast<VSIMemFilesystemHandler *>(
VSIFileManager::GetHandler("/vsimem/"));
if( pszFilename == nullptr )
return nullptr;
CPLString osFilename = pszFilename;
VSIMemFilesystemHandler::NormalizePath( osFilename );
if( osFilename.empty() )
return nullptr;
VSIMemFile *poFile = new VSIMemFile;
poFile->osFilename = osFilename;
poFile->bOwnData = CPL_TO_BOOL(bTakeOwnership);
poFile->pabyData = pabyData;
poFile->nLength = nDataLength;
poFile->nAllocLength = nDataLength;
{
CPLMutexHolder oHolder( &poHandler->hMutex );
poHandler->Unlink_unlocked(osFilename);
poHandler->oFileList[poFile->osFilename] = poFile;
CPLAtomicInc(&(poFile->nRefCount));
}
// TODO(schwehr): Fix this so that the using statement is not needed.
// Will just adding the bool for bSetError be okay?
return reinterpret_cast<VSILFILE *>( poHandler->Open( osFilename, "r+" ) );
}
VSILFILE *VSIFileFromMemBuffer( const char *pszFilename,
GByte *pabyData,
vsi_l_offset nDataLength,
int bTakeOwnership )
{
if( VSIFileManager::GetHandler("")
== VSIFileManager::GetHandler("/vsimem/") )
VSIInstallMemFileHandler();
VSIMemFilesystemHandler *poHandler = (VSIMemFilesystemHandler *)
VSIFileManager::GetHandler("/vsimem/");
if (pszFilename == NULL)
return NULL;
CPLString osFilename = pszFilename;
VSIMemFilesystemHandler::NormalizePath( osFilename );
VSIMemFile *poFile = new VSIMemFile;
poFile->osFilename = osFilename;
poFile->bOwnData = bTakeOwnership;
poFile->pabyData = pabyData;
poFile->nLength = nDataLength;
poFile->nAllocLength = nDataLength;
{
CPLMutexHolder oHolder( &poHandler->hMutex );
poHandler->Unlink(osFilename);
poHandler->oFileList[poFile->osFilename] = poFile;
poFile->nRefCount++;
}
return (VSILFILE *) poHandler->Open( osFilename, "r+" );
}