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#include "macros.h"

// GetDiskSpaceExA wrapper for Win 95A

IMPLEMENT_THUNK( kernel32, TRYLOAD, BOOL, WINAPI, GetDiskFreeSpaceExA,(
  LPCSTR lpRootPathName,                  // directory name
  PULARGE_INTEGER lpFreeBytesAvailable,    // bytes available to caller
  PULARGE_INTEGER lpTotalNumberOfBytes,    // bytes on disk
  PULARGE_INTEGER lpTotalNumberOfFreeBytes // free bytes on disk
))
{
    DWORD   dwSectorsPerCluster, dwBytesPerSector, dwNumberOfFreeClusters, dwTotalNumberOfClusters;

    BOOL    fSuccess = GetDiskFreeSpaceA( lpRootPathName, &dwSectorsPerCluster, &dwBytesPerSector, &dwNumberOfFreeClusters, &dwTotalNumberOfClusters );

    if ( fSuccess )
    {
        ULONGLONG   ulBytesPerCluster = (ULONGLONG)dwSectorsPerCluster * (ULONGLONG)dwBytesPerSector;

        if ( lpFreeBytesAvailable )
            lpFreeBytesAvailable->QuadPart = ulBytesPerCluster * (ULONGLONG)dwNumberOfFreeClusters;

        if ( lpTotalNumberOfBytes )
            lpTotalNumberOfBytes->QuadPart = ulBytesPerCluster * (ULONGLONG)dwTotalNumberOfClusters;

        if ( lpTotalNumberOfFreeBytes )
            lpTotalNumberOfFreeBytes->QuadPart = ulBytesPerCluster * (ULONGLONG)dwNumberOfFreeClusters;
    }

    return fSuccess;
}