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#pragma once
// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#ifdef __cplusplus
extern "C" {
#endif
// macro definitions
#define ReleaseBuffer(b) BuffFree(b)
#define ReleaseNullBuffer(b) BuffFree(b)
#define BuffFree(b) if (b.pbData) { MemFree(b.pbData); b.pbData = NULL; } b.cbData = 0
// structs
// A buffer that owns its data and must be freed with BuffFree().
typedef struct _BUFF_BUFFER
{
LPBYTE pbData;
SIZE_T cbData;
} BUFF_BUFFER;
// A read-only buffer with internal pointer that can be advanced for multiple reads.
typedef struct _BUFF_READER
{
LPCBYTE pbData;
SIZE_T cbData;
SIZE_T iBuffer;
} BUFF_READER;
// A write buffer that does not own its data.
typedef struct _BUFF_WRITER
{
LPBYTE *ppbData;
SIZE_T *pcbData;
} BUFF_WRITER;
// 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 BuffReadPointer(
__in_bcount(cbBuffer) const BYTE* pbBuffer,
__in SIZE_T cbBuffer,
__inout SIZE_T* piBuffer,
__out DWORD_PTR* pdw
);
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_inout_bcount(*pcbStream) BYTE** ppbStream,
__out SIZE_T* pcbStream
);
HRESULT BuffSkipExtraData(
__in SIZE_T cbExpectedSize,
__in SIZE_T cbActualSize,
__inout SIZE_T* piBuffer
);
HRESULT BuffReaderReadNumber(
__in BUFF_READER* pReader,
__out DWORD* pdw
);
HRESULT BuffReaderReadNumber64(
__in BUFF_READER* pReader,
__out DWORD64* pdw64
);
HRESULT BuffReaderReadPointer(
__in BUFF_READER* pReader,
__out DWORD_PTR* pdw
);
HRESULT BuffReaderReadString(
__in BUFF_READER* pReader,
__deref_out_z LPWSTR* pscz
);
HRESULT BuffReaderReadStringAnsi(
__in BUFF_READER* pReader,
__deref_out_z LPSTR* pscz
);
HRESULT BuffReaderReadStream(
__in BUFF_READER* pReader,
__deref_inout_bcount(*pcbStream) BYTE** ppbStream,
__out SIZE_T* pcbStream
);
HRESULT BuffWriteNumber(
__deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
__inout SIZE_T* piBuffer,
__in DWORD dw
);
HRESULT BuffWriteNumber64(
__deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
__inout SIZE_T* piBuffer,
__in DWORD64 dw64
);
HRESULT BuffWritePointer(
__deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
__inout SIZE_T* piBuffer,
__in DWORD_PTR dw
);
HRESULT BuffWriteString(
__deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
__inout SIZE_T* piBuffer,
__in_z_opt LPCWSTR scz
);
HRESULT BuffWriteStringAnsi(
__deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
__inout SIZE_T* piBuffer,
__in_z_opt LPCSTR scz
);
HRESULT BuffWriteStream(
__deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
__inout SIZE_T* piBuffer,
__in_bcount(cbStream) const BYTE* pbStream,
__in SIZE_T cbStream
);
HRESULT BuffWriteNumberToBuffer(
__in BUFF_BUFFER* pBuffer,
__in DWORD dw
);
HRESULT BuffWriteNumber64ToBuffer(
__in BUFF_BUFFER* pBuffer,
__in DWORD64 dw64
);
HRESULT BuffWritePointerToBuffer(
__in BUFF_BUFFER* pBuffer,
__in DWORD_PTR dw
);
HRESULT BuffWriteStringToBuffer(
__in BUFF_BUFFER* pBuffer,
__in_z_opt LPCWSTR scz
);
HRESULT BuffWriteStringAnsiToBuffer(
__in BUFF_BUFFER* pBuffer,
__in_z_opt LPCSTR scz
);
HRESULT BuffWriteStreamToBuffer(
__in BUFF_BUFFER* pBuffer,
__in_bcount(cbStream) const BYTE* pbStream,
__in SIZE_T cbStream
);
HRESULT BuffWriterWriteNumber(
__in BUFF_WRITER* pWriter,
__in DWORD dw
);
HRESULT BuffWriterWriteNumber64(
__in BUFF_WRITER* pWriter,
__in DWORD64 dw64
);
HRESULT BuffWriterWritePointer(
__in BUFF_WRITER* pWriter,
__in DWORD_PTR dw
);
HRESULT BuffWriterWriteString(
__in BUFF_WRITER* pWriter,
__in_z_opt LPCWSTR scz
);
HRESULT BuffWriterWriteStringAnsi(
__in BUFF_WRITER* pWriter,
__in_z_opt LPCSTR scz
);
HRESULT BuffWriterWriteStream(
__in BUFF_WRITER* pWriter,
__in_bcount(cbStream) const BYTE* pbStream,
__in SIZE_T cbStream
);
#ifdef __cplusplus
}
#endif
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