#pragma once

#include "7zTypes.h"

EXTERN_C_BEGIN

/* ---------- File ---------- */

typedef struct
{
	void* buffer;
	Int64 size;
	Int64 pos;
} CSzMemBuffer;

/* reads max(*size, remain file's size) bytes */
WRes MemBuffer_Read(CSzMemBuffer* p, void* data, size_t* size);
WRes MemBuffer_Seek(CSzMemBuffer* p, Int64* pos, ESzSeek origin);

/* ---------- FileInStream ---------- */
typedef struct
{
	ISeekInStream s;
	CSzMemBuffer buffer;
} CMemBufferInStream;

void MemBufferInit(CMemBufferInStream* memBuferStream, CLookToRead* lookStream, void* buffer, size_t size);

EXTERN_C_END