//-------------------------------------------------------------------------------------------------
// <copyright file="buffutil.h" company="Outercurve Foundation">
//   Copyright (c) 2004, Outercurve Foundation.
//   This software is released under Microsoft Reciprocal License (MS-RL).
//   The license and further copyright text can be found in the file
//   LICENSE.TXT at the root directory of the distribution.
// </copyright>
//
// <summary>
//    Binary serialization helper functions.
// </summary>
//-------------------------------------------------------------------------------------------------

#pragma once


#ifdef __cplusplus
extern "C" {
#endif


// macro definitions

#define ReleaseBuffer ReleaseMem
#define ReleaseNullBuffer ReleaseNullMem
#define BuffFree MemFree


// function declarations

HRESULT BuffReadNumber(
    __in_bcount(cbBuffer) const BYTE* pbBuffer,
    __in SIZE_T cbBuffer,
    __inout SIZE_T* piBuffer,
    __out DWORD* pdw
    );
HRESULT BuffReadNumber64(
    __in_bcount(cbBuffer) const BYTE* pbBuffer,
    __in SIZE_T cbBuffer,
    __inout SIZE_T* piBuffer,
    __out DWORD64* pdw64
    );
HRESULT BuffReadString(
    __in_bcount(cbBuffer) const BYTE* pbBuffer,
    __in SIZE_T cbBuffer,
    __inout SIZE_T* piBuffer,
    __deref_out_z LPWSTR* pscz
    );
HRESULT BuffReadStringAnsi(
    __in_bcount(cbBuffer) const BYTE* pbBuffer,
    __in SIZE_T cbBuffer,
    __inout SIZE_T* piBuffer,
    __deref_out_z LPSTR* pscz
    );
HRESULT BuffReadStream(
    __in_bcount(cbBuffer) const BYTE* pbBuffer,
    __in SIZE_T cbBuffer,
    __inout SIZE_T* piBuffer,
    __deref_out_bcount(*pcbStream) BYTE** ppbStream,
    __out SIZE_T* pcbStream
    );

HRESULT BuffWriteNumber(
    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
    __inout SIZE_T* piBuffer,
    __in DWORD dw
    );
HRESULT BuffWriteNumber64(
    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
    __inout SIZE_T* piBuffer,
    __in DWORD64 dw64
    );
HRESULT BuffWriteString(
    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
    __inout SIZE_T* piBuffer,
    __in_z_opt LPCWSTR scz
    );
HRESULT BuffWriteStringAnsi(
    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
    __inout SIZE_T* piBuffer,
    __in_z_opt LPCSTR scz
    );
HRESULT BuffWriteStream(
    __deref_out_bcount(*piBuffer) BYTE** ppbBuffer,
    __inout SIZE_T* piBuffer,
    __in_bcount(cbStream) const BYTE* pbStream,
    __in SIZE_T cbStream
    );

#ifdef __cplusplus
}
#endif