1/* Types.h -- Basic types 22010-10-09 : Igor Pavlov : Public domain */ 3 4#ifndef __7Z_TYPES_H 5#define __7Z_TYPES_H 6 7#include <stddef.h> 8 9#ifdef _WIN32 10#include <windows.h> 11#endif 12 13#ifndef EXTERN_C_BEGIN 14#ifdef __cplusplus 15#define EXTERN_C_BEGIN extern "C" { 16#define EXTERN_C_END } 17#else 18#define EXTERN_C_BEGIN 19#define EXTERN_C_END 20#endif 21#endif 22 23EXTERN_C_BEGIN 24 25#define SZ_OK 0 26 27#define SZ_ERROR_DATA 1 28#define SZ_ERROR_MEM 2 29#define SZ_ERROR_CRC 3 30#define SZ_ERROR_UNSUPPORTED 4 31#define SZ_ERROR_PARAM 5 32#define SZ_ERROR_INPUT_EOF 6 33#define SZ_ERROR_OUTPUT_EOF 7 34#define SZ_ERROR_READ 8 35#define SZ_ERROR_WRITE 9 36#define SZ_ERROR_PROGRESS 10 37#define SZ_ERROR_FAIL 11 38#define SZ_ERROR_THREAD 12 39 40#define SZ_ERROR_ARCHIVE 16 41#define SZ_ERROR_NO_ARCHIVE 17 42 43typedef int SRes; 44 45#ifdef _WIN32 46typedef DWORD WRes; 47#else 48typedef int WRes; 49#endif 50 51#ifndef RINOK 52#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; } 53#endif 54 55typedef unsigned char Byte; 56typedef short Int16; 57typedef unsigned short UInt16; 58 59#ifdef _LZMA_UINT32_IS_ULONG 60typedef long Int32; 61typedef unsigned long UInt32; 62#else 63typedef int Int32; 64typedef unsigned int UInt32; 65#endif 66 67#ifdef _SZ_NO_INT_64 68 69/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers. 70 NOTES: Some code will work incorrectly in that case! */ 71 72typedef long Int64; 73typedef unsigned long UInt64; 74 75#else 76 77#if defined(_MSC_VER) || defined(__BORLANDC__) 78typedef __int64 Int64; 79typedef unsigned __int64 UInt64; 80#define UINT64_CONST(n) n 81#else 82typedef long long int Int64; 83typedef unsigned long long int UInt64; 84#define UINT64_CONST(n) n ## ULL 85#endif 86 87#endif 88 89#ifdef _LZMA_NO_SYSTEM_SIZE_T 90typedef UInt32 SizeT; 91#else 92typedef size_t SizeT; 93#endif 94 95typedef int Bool; 96#define True 1 97#define False 0 98 99 100#ifdef _WIN32 101#define MY_STD_CALL __stdcall 102#else 103#define MY_STD_CALL 104#endif 105 106#ifdef _MSC_VER 107 108#if _MSC_VER >= 1300 109#define MY_NO_INLINE __declspec(noinline) 110#else 111#define MY_NO_INLINE 112#endif 113 114#define MY_CDECL __cdecl 115#define MY_FAST_CALL __fastcall 116 117#else 118 119#define MY_CDECL 120#define MY_FAST_CALL 121 122#endif 123 124 125/* The following interfaces use first parameter as pointer to structure */ 126 127typedef struct 128{ 129 Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */ 130} IByteIn; 131 132typedef struct 133{ 134 void (*Write)(void *p, Byte b); 135} IByteOut; 136 137typedef struct 138{ 139 SRes (*Read)(void *p, void *buf, size_t *size); 140 /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. 141 (output(*size) < input(*size)) is allowed */ 142} ISeqInStream; 143 144/* it can return SZ_ERROR_INPUT_EOF */ 145SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size); 146SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType); 147SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf); 148 149typedef struct 150{ 151 size_t (*Write)(void *p, const void *buf, size_t size); 152 /* Returns: result - the number of actually written bytes. 153 (result < size) means error */ 154} ISeqOutStream; 155 156typedef enum 157{ 158 SZ_SEEK_SET = 0, 159 SZ_SEEK_CUR = 1, 160 SZ_SEEK_END = 2 161} ESzSeek; 162 163typedef struct 164{ 165 SRes (*Read)(void *p, void *buf, size_t *size); /* same as ISeqInStream::Read */ 166 SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); 167} ISeekInStream; 168 169typedef struct 170{ 171 SRes (*Look)(void *p, const void **buf, size_t *size); 172 /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. 173 (output(*size) > input(*size)) is not allowed 174 (output(*size) < input(*size)) is allowed */ 175 SRes (*Skip)(void *p, size_t offset); 176 /* offset must be <= output(*size) of Look */ 177 178 SRes (*Read)(void *p, void *buf, size_t *size); 179 /* reads directly (without buffer). It's same as ISeqInStream::Read */ 180 SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); 181} ILookInStream; 182 183SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size); 184SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset); 185 186/* reads via ILookInStream::Read */ 187SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType); 188SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size); 189 190#define LookToRead_BUF_SIZE (1 << 14) 191 192typedef struct 193{ 194 ILookInStream s; 195 ISeekInStream *realStream; 196 size_t pos; 197 size_t size; 198 Byte buf[LookToRead_BUF_SIZE]; 199} CLookToRead; 200 201void LookToRead_CreateVTable(CLookToRead *p, int lookahead); 202void LookToRead_Init(CLookToRead *p); 203 204typedef struct 205{ 206 ISeqInStream s; 207 ILookInStream *realStream; 208} CSecToLook; 209 210void SecToLook_CreateVTable(CSecToLook *p); 211 212typedef struct 213{ 214 ISeqInStream s; 215 ILookInStream *realStream; 216} CSecToRead; 217 218void SecToRead_CreateVTable(CSecToRead *p); 219 220typedef struct 221{ 222 SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize); 223 /* Returns: result. (result != SZ_OK) means break. 224 Value (UInt64)(Int64)-1 for size means unknown value. */ 225} ICompressProgress; 226 227typedef struct 228{ 229 void *(*Alloc)(void *p, size_t size); 230 void (*Free)(void *p, void *address); /* address can be 0 */ 231} ISzAlloc; 232 233#define IAlloc_Alloc(p, size) (p)->Alloc((p), size) 234#define IAlloc_Free(p, a) (p)->Free((p), a) 235 236#ifdef _WIN32 237 238#define CHAR_PATH_SEPARATOR '\\' 239#define WCHAR_PATH_SEPARATOR L'\\' 240#define STRING_PATH_SEPARATOR "\\" 241#define WSTRING_PATH_SEPARATOR L"\\" 242 243#else 244 245#define CHAR_PATH_SEPARATOR '/' 246#define WCHAR_PATH_SEPARATOR L'/' 247#define STRING_PATH_SEPARATOR "/" 248#define WSTRING_PATH_SEPARATOR L"/" 249 250#endif 251 252EXTERN_C_END 253 254#endif 255