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/* 7zTypes.h -- Basic types

2013-11-12 : Igor Pavlov : Public domain */

#ifndef __7Z_TYPES_H

#define __7Z_TYPES_H

#ifdef _WIN32

/* #include  */

#endif

#include 

#ifndef EXTERN_C_BEGIN

#ifdef __cplusplus

#define EXTERN_C_BEGIN extern "C" {

#define EXTERN_C_END }

#else

#define EXTERN_C_BEGIN

#define EXTERN_C_END

#endif

#endif

EXTERN_C_BEGIN

#define SZ_OK 0

#define SZ_ERROR_DATA 1

#define SZ_ERROR_MEM 2

#define SZ_ERROR_CRC 3

#define SZ_ERROR_UNSUPPORTED 4

#define SZ_ERROR_PARAM 5

#define SZ_ERROR_INPUT_EOF 6

#define SZ_ERROR_OUTPUT_EOF 7

#define SZ_ERROR_READ 8

#define SZ_ERROR_WRITE 9

#define SZ_ERROR_PROGRESS 10

#define SZ_ERROR_FAIL 11

#define SZ_ERROR_THREAD 12

#define SZ_ERROR_ARCHIVE 16

#define SZ_ERROR_NO_ARCHIVE 17

typedef int SRes;

#ifdef _WIN32

/* typedef DWORD WRes; */

typedef unsigned WRes;

#else

typedef int WRes;

#endif

#ifndef RINOK

#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }

#endif

typedef unsigned char Byte;

typedef short Int16;

typedef unsigned short UInt16;

#ifdef _LZMA_UINT32_IS_ULONG

typedef long Int32;

typedef unsigned long UInt32;

#else

typedef int Int32;

typedef unsigned int UInt32;

#endif

#ifdef _SZ_NO_INT_64

/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers.

   NOTES: Some code will work incorrectly in that case! */

typedef long Int64;

typedef unsigned long UInt64;

#else

#if defined(_MSC_VER) || defined(__BORLANDC__)

typedef __int64 Int64;

typedef unsigned __int64 UInt64;

#define UINT64_CONST(n) n

#else

typedef long long int Int64;

typedef unsigned long long int UInt64;

#define UINT64_CONST(n) n ## ULL

#endif

#endif

#ifdef _LZMA_NO_SYSTEM_SIZE_T

typedef UInt32 SizeT;

#else

typedef size_t SizeT;

#endif

typedef int Bool;

#define True 1

#define False 0

#ifdef _WIN32

#define MY_STD_CALL __stdcall

#else

#define MY_STD_CALL

#endif

#ifdef _MSC_VER

#if _MSC_VER >= 1300

#define MY_NO_INLINE __declspec(noinline)

#else

#define MY_NO_INLINE

#endif

#define MY_CDECL __cdecl

#define MY_FAST_CALL __fastcall

#else

#define MY_NO_INLINE

#define MY_CDECL

#define MY_FAST_CALL

#endif

/* The following interfaces use first parameter as pointer to structure */

typedef struct

{

  Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */

} IByteIn;

typedef struct

{

  void (*Write)(void *p, Byte b);

} IByteOut;

typedef struct

{

  SRes (*Read)(void *p, void *buf, size_t *size);

    /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.

       (output(*size) < input(*size)) is allowed */

} ISeqInStream;

/* it can return SZ_ERROR_INPUT_EOF */

SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size);

SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType);

SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf);

typedef struct

{

  size_t (*Write)(void *p, const void *buf, size_t size);

    /* Returns: result - the number of actually written bytes.

       (result < size) means error */

} ISeqOutStream;

typedef enum

{

  SZ_SEEK_SET = 0,

  SZ_SEEK_CUR = 1,

  SZ_SEEK_END = 2

} ESzSeek;

typedef struct

{

  SRes (*Read)(void *p, void *buf, size_t *size);  /* same as ISeqInStream::Read */

  SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);

} ISeekInStream;

typedef struct

{

  SRes (*Look)(void *p, const void **buf, size_t *size);

    /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.

       (output(*size) > input(*size)) is not allowed

       (output(*size) < input(*size)) is allowed */

  SRes (*Skip)(void *p, size_t offset);

    /* offset must be <= output(*size) of Look */

  SRes (*Read)(void *p, void *buf, size_t *size);

    /* reads directly (without buffer). It's same as ISeqInStream::Read */

  SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);

} ILookInStream;

SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);

SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);

/* reads via ILookInStream::Read */

SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType);

SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size);

#define LookToRead_BUF_SIZE (1 << 14)

typedef struct

{

  ILookInStream s;

  ISeekInStream *realStream;

  size_t pos;

  size_t size;

  Byte buf[LookToRead_BUF_SIZE];

} CLookToRead;

void LookToRead_CreateVTable(CLookToRead *p, int lookahead);

void LookToRead_Init(CLookToRead *p);

typedef struct

{

  ISeqInStream s;

  ILookInStream *realStream;

} CSecToLook;

void SecToLook_CreateVTable(CSecToLook *p);

typedef struct

{

  ISeqInStream s;

  ILookInStream *realStream;

} CSecToRead;

void SecToRead_CreateVTable(CSecToRead *p);

typedef struct

{

  SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize);

    /* Returns: result. (result != SZ_OK) means break.

       Value (UInt64)(Int64)-1 for size means unknown value. */

} ICompressProgress;

typedef struct

{

  void *(*Alloc)(void *p, size_t size);

  void (*Free)(void *p, void *address); /* address can be 0 */

} ISzAlloc;

#define IAlloc_Alloc(p, size) (p)->Alloc((p), size)

#define IAlloc_Free(p, a) (p)->Free((p), a)

#ifdef _WIN32

#define CHAR_PATH_SEPARATOR '\\'

#define WCHAR_PATH_SEPARATOR L'\\'

#define STRING_PATH_SEPARATOR "\\"

#define WSTRING_PATH_SEPARATOR L"\\"

#else

#define CHAR_PATH_SEPARATOR '/'

#define WCHAR_PATH_SEPARATOR L'/'

#define STRING_PATH_SEPARATOR "/"

#define WSTRING_PATH_SEPARATOR L"/"

#endif

EXTERN_C_END

#endif