376 lines
8.6 KiB
C
376 lines
8.6 KiB
C
/* 7zTypes.h -- Basic types
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2018-08-04 : Igor Pavlov : Public domain */
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#ifndef __7Z_TYPES_H
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#define __7Z_TYPES_H
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#ifdef _WIN32
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/* #include <windows.h> */
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#endif
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#include <stddef.h>
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#ifndef EXTERN_C_BEGIN
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#ifdef __cplusplus
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#define EXTERN_C_BEGIN extern "C" {
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#define EXTERN_C_END }
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#else
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#define EXTERN_C_BEGIN
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#define EXTERN_C_END
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#endif
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#endif
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EXTERN_C_BEGIN
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#define SZ_OK 0
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#define SZ_ERROR_DATA 1
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#define SZ_ERROR_MEM 2
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#define SZ_ERROR_CRC 3
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#define SZ_ERROR_UNSUPPORTED 4
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#define SZ_ERROR_PARAM 5
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#define SZ_ERROR_INPUT_EOF 6
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#define SZ_ERROR_OUTPUT_EOF 7
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#define SZ_ERROR_READ 8
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#define SZ_ERROR_WRITE 9
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#define SZ_ERROR_PROGRESS 10
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#define SZ_ERROR_FAIL 11
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#define SZ_ERROR_THREAD 12
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#define SZ_ERROR_ARCHIVE 16
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#define SZ_ERROR_NO_ARCHIVE 17
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typedef int SRes;
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#ifdef _WIN32
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/* typedef DWORD WRes; */
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typedef unsigned WRes;
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#define MY_SRes_HRESULT_FROM_WRes(x) HRESULT_FROM_WIN32(x)
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#else
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typedef int WRes;
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#define MY__FACILITY_WIN32 7
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#define MY__FACILITY__WRes MY__FACILITY_WIN32
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#define MY_SRes_HRESULT_FROM_WRes(x) ((HRESULT)(x) <= 0 ? ((HRESULT)(x)) : ((HRESULT) (((x) & 0x0000FFFF) | (MY__FACILITY__WRes << 16) | 0x80000000)))
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#endif
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#ifndef RINOK
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#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
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#endif
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typedef unsigned char Byte;
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typedef short Int16;
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typedef unsigned short UInt16;
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#ifdef _LZMA_UINT32_IS_ULONG
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typedef long Int32;
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typedef unsigned long UInt32;
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#else
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typedef int Int32;
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typedef unsigned int UInt32;
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#endif
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#ifdef _SZ_NO_INT_64
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/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers.
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NOTES: Some code will work incorrectly in that case! */
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typedef long Int64;
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typedef unsigned long UInt64;
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#else
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#if defined(_MSC_VER) || defined(__BORLANDC__)
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typedef __int64 Int64;
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typedef unsigned __int64 UInt64;
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#define UINT64_CONST(n) n
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#else
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typedef long long int Int64;
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typedef unsigned long long int UInt64;
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#define UINT64_CONST(n) n ## ULL
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#endif
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#endif
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#ifdef _LZMA_NO_SYSTEM_SIZE_T
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typedef UInt32 SizeT;
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#else
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typedef size_t SizeT;
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#endif
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typedef int BoolInt;
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/* typedef BoolInt Bool; */
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#define True 1
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#define False 0
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#ifdef _WIN32
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#define MY_STD_CALL __stdcall
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#else
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#define MY_STD_CALL
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#endif
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#ifdef _MSC_VER
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#if _MSC_VER >= 1300
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#define MY_NO_INLINE __declspec(noinline)
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#else
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#define MY_NO_INLINE
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#endif
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#define MY_FORCE_INLINE __forceinline
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#define MY_CDECL __cdecl
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#define MY_FAST_CALL __fastcall
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#else
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#define MY_NO_INLINE
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#define MY_FORCE_INLINE
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#define MY_CDECL
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#define MY_FAST_CALL
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/* inline keyword : for C++ / C99 */
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/* GCC, clang: */
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/*
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#if defined (__GNUC__) && (__GNUC__ >= 4)
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#define MY_FORCE_INLINE __attribute__((always_inline))
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#define MY_NO_INLINE __attribute__((noinline))
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#endif
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*/
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#endif
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/* The following interfaces use first parameter as pointer to structure */
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typedef struct IByteIn IByteIn;
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struct IByteIn
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{
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Byte (*Read)(const IByteIn *p); /* reads one byte, returns 0 in case of EOF or error */
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};
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#define IByteIn_Read(p) (p)->Read(p)
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typedef struct IByteOut IByteOut;
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struct IByteOut
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{
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void (*Write)(const IByteOut *p, Byte b);
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};
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#define IByteOut_Write(p, b) (p)->Write(p, b)
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typedef struct ISeqInStream ISeqInStream;
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struct ISeqInStream
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{
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SRes (*Read)(const ISeqInStream *p, void *buf, size_t *size);
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/* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
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(output(*size) < input(*size)) is allowed */
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};
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#define ISeqInStream_Read(p, buf, size) (p)->Read(p, buf, size)
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/* it can return SZ_ERROR_INPUT_EOF */
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SRes SeqInStream_Read(const ISeqInStream *stream, void *buf, size_t size);
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SRes SeqInStream_Read2(const ISeqInStream *stream, void *buf, size_t size, SRes errorType);
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SRes SeqInStream_ReadByte(const ISeqInStream *stream, Byte *buf);
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typedef struct ISeqOutStream ISeqOutStream;
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struct ISeqOutStream
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{
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size_t (*Write)(const ISeqOutStream *p, const void *buf, size_t size);
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/* Returns: result - the number of actually written bytes.
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(result < size) means error */
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};
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#define ISeqOutStream_Write(p, buf, size) (p)->Write(p, buf, size)
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typedef enum
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{
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SZ_SEEK_SET = 0,
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SZ_SEEK_CUR = 1,
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SZ_SEEK_END = 2
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} ESzSeek;
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typedef struct ISeekInStream ISeekInStream;
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struct ISeekInStream
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{
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SRes (*Read)(const ISeekInStream *p, void *buf, size_t *size); /* same as ISeqInStream::Read */
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SRes (*Seek)(const ISeekInStream *p, Int64 *pos, ESzSeek origin);
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};
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#define ISeekInStream_Read(p, buf, size) (p)->Read(p, buf, size)
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#define ISeekInStream_Seek(p, pos, origin) (p)->Seek(p, pos, origin)
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typedef struct ILookInStream ILookInStream;
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struct ILookInStream
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{
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SRes (*Look)(const ILookInStream *p, const void **buf, size_t *size);
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/* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
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(output(*size) > input(*size)) is not allowed
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(output(*size) < input(*size)) is allowed */
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SRes (*Skip)(const ILookInStream *p, size_t offset);
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/* offset must be <= output(*size) of Look */
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SRes (*Read)(const ILookInStream *p, void *buf, size_t *size);
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/* reads directly (without buffer). It's same as ISeqInStream::Read */
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SRes (*Seek)(const ILookInStream *p, Int64 *pos, ESzSeek origin);
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};
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#define ILookInStream_Look(p, buf, size) (p)->Look(p, buf, size)
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#define ILookInStream_Skip(p, offset) (p)->Skip(p, offset)
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#define ILookInStream_Read(p, buf, size) (p)->Read(p, buf, size)
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#define ILookInStream_Seek(p, pos, origin) (p)->Seek(p, pos, origin)
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SRes LookInStream_LookRead(const ILookInStream *stream, void *buf, size_t *size);
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SRes LookInStream_SeekTo(const ILookInStream *stream, UInt64 offset);
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/* reads via ILookInStream::Read */
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SRes LookInStream_Read2(const ILookInStream *stream, void *buf, size_t size, SRes errorType);
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SRes LookInStream_Read(const ILookInStream *stream, void *buf, size_t size);
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typedef struct
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{
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ILookInStream vt;
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const ISeekInStream *realStream;
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size_t pos;
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size_t size; /* it's data size */
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/* the following variables must be set outside */
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Byte *buf;
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size_t bufSize;
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} CLookToRead2;
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void LookToRead2_CreateVTable(CLookToRead2 *p, int lookahead);
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#define LookToRead2_Init(p) { (p)->pos = (p)->size = 0; }
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typedef struct
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{
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ISeqInStream vt;
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const ILookInStream *realStream;
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} CSecToLook;
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void SecToLook_CreateVTable(CSecToLook *p);
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typedef struct
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{
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ISeqInStream vt;
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const ILookInStream *realStream;
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} CSecToRead;
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void SecToRead_CreateVTable(CSecToRead *p);
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typedef struct ICompressProgress ICompressProgress;
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struct ICompressProgress
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{
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SRes (*Progress)(const ICompressProgress *p, UInt64 inSize, UInt64 outSize);
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/* Returns: result. (result != SZ_OK) means break.
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Value (UInt64)(Int64)-1 for size means unknown value. */
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};
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#define ICompressProgress_Progress(p, inSize, outSize) (p)->Progress(p, inSize, outSize)
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typedef struct ISzAlloc ISzAlloc;
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typedef const ISzAlloc * ISzAllocPtr;
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struct ISzAlloc
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{
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void *(*Alloc)(ISzAllocPtr p, size_t size);
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void (*Free)(ISzAllocPtr p, void *address); /* address can be 0 */
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};
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#define ISzAlloc_Alloc(p, size) (p)->Alloc(p, size)
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#define ISzAlloc_Free(p, a) (p)->Free(p, a)
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/* deprecated */
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#define IAlloc_Alloc(p, size) ISzAlloc_Alloc(p, size)
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#define IAlloc_Free(p, a) ISzAlloc_Free(p, a)
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#ifndef MY_offsetof
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#ifdef offsetof
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#define MY_offsetof(type, m) offsetof(type, m)
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/*
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#define MY_offsetof(type, m) FIELD_OFFSET(type, m)
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*/
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#else
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#define MY_offsetof(type, m) ((size_t)&(((type *)0)->m))
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#endif
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#endif
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#ifndef MY_container_of
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/*
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#define MY_container_of(ptr, type, m) container_of(ptr, type, m)
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#define MY_container_of(ptr, type, m) CONTAINING_RECORD(ptr, type, m)
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#define MY_container_of(ptr, type, m) ((type *)((char *)(ptr) - offsetof(type, m)))
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#define MY_container_of(ptr, type, m) (&((type *)0)->m == (ptr), ((type *)(((char *)(ptr)) - MY_offsetof(type, m))))
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*/
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/*
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GCC shows warning: "perhaps the 'offsetof' macro was used incorrectly"
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GCC 3.4.4 : classes with constructor
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GCC 4.8.1 : classes with non-public variable members"
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*/
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#define MY_container_of(ptr, type, m) ((type *)((char *)(1 ? (ptr) : &((type *)0)->m) - MY_offsetof(type, m)))
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#endif
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#define CONTAINER_FROM_VTBL_SIMPLE(ptr, type, m) ((type *)(ptr))
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/*
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#define CONTAINER_FROM_VTBL(ptr, type, m) CONTAINER_FROM_VTBL_SIMPLE(ptr, type, m)
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*/
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#define CONTAINER_FROM_VTBL(ptr, type, m) MY_container_of(ptr, type, m)
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#define CONTAINER_FROM_VTBL_CLS(ptr, type, m) CONTAINER_FROM_VTBL_SIMPLE(ptr, type, m)
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/*
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#define CONTAINER_FROM_VTBL_CLS(ptr, type, m) CONTAINER_FROM_VTBL(ptr, type, m)
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*/
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#ifdef _WIN32
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#define CHAR_PATH_SEPARATOR '\\'
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#define WCHAR_PATH_SEPARATOR L'\\'
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#define STRING_PATH_SEPARATOR "\\"
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#define WSTRING_PATH_SEPARATOR L"\\"
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#else
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#define CHAR_PATH_SEPARATOR '/'
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#define WCHAR_PATH_SEPARATOR L'/'
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#define STRING_PATH_SEPARATOR "/"
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#define WSTRING_PATH_SEPARATOR L"/"
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#endif
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EXTERN_C_END
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#endif
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