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/* 7zFile.h -- File IO
2017-04-03 : Igor Pavlov : Public domain */
#ifndef __7Z_FILE_H
#define __7Z_FILE_H
#ifdef _WIN32
#define USE_WINDOWS_FILE
#endif
#ifdef USE_WINDOWS_FILE
#include <windows.h>
#else
#include <stdio.h>
#endif
#include "7zTypes.h"
EXTERN_C_BEGIN
/* ---------- File ---------- */
typedef struct
{
#ifdef USE_WINDOWS_FILE
HANDLE handle;
#else
FILE *file;
#endif
} CSzFile;
void File_Construct(CSzFile *p);
#if !defined(UNDER_CE) || !defined(USE_WINDOWS_FILE)
WRes InFile_Open(CSzFile *p, const char *name);
WRes OutFile_Open(CSzFile *p, const char *name);
#endif
#ifdef USE_WINDOWS_FILE
WRes InFile_OpenW(CSzFile *p, const WCHAR *name);
WRes OutFile_OpenW(CSzFile *p, const WCHAR *name);
#endif
WRes File_Close(CSzFile *p);
/* reads max(*size, remain file's size) bytes */
WRes File_Read(CSzFile *p, void *data, size_t *size);
/* writes *size bytes */
WRes File_Write(CSzFile *p, const void *data, size_t *size);
WRes File_Seek(CSzFile *p, Int64 *pos, ESzSeek origin);
WRes File_GetLength(CSzFile *p, UInt64 *length);
/* ---------- FileInStream ---------- */
typedef struct
{
ISeqInStream vt;
CSzFile file;
} CFileSeqInStream;
void FileSeqInStream_CreateVTable(CFileSeqInStream *p);
typedef struct
{
ISeekInStream vt;
CSzFile file;
} CFileInStream;
void FileInStream_CreateVTable(CFileInStream *p);
typedef struct
{
ISeqOutStream vt;
CSzFile file;
} CFileOutStream;
void FileOutStream_CreateVTable(CFileOutStream *p);
EXTERN_C_END
#endif
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