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| 1 /* Types.h -- Basic types | |
| 2 2010-10-09 : Igor Pavlov : Public domain | |
| 3 in the public domain */ | |
| 4 | |
| 5 #ifndef __7Z_TYPES_H | |
| 6 #define __7Z_TYPES_H | |
| 7 | |
| 8 #include <stddef.h> | |
| 9 | |
| 10 #ifdef _WIN32 | |
| 11 #include <windows.h> | |
| 12 #endif | |
| 13 | |
| 14 #ifndef EXTERN_C_BEGIN | |
| 15 #ifdef __cplusplus | |
| 16 #define EXTERN_C_BEGIN extern "C" { | |
| 17 #define EXTERN_C_END } | |
| 18 #else | |
| 19 #define EXTERN_C_BEGIN | |
| 20 #define EXTERN_C_END | |
| 21 #endif | |
| 22 #endif | |
| 23 | |
| 24 EXTERN_C_BEGIN | |
| 25 | |
| 26 #define SZ_OK 0 | |
| 27 | |
| 28 #define SZ_ERROR_DATA 1 | |
| 29 #define SZ_ERROR_MEM 2 | |
| 30 #define SZ_ERROR_CRC 3 | |
| 31 #define SZ_ERROR_UNSUPPORTED 4 | |
| 32 #define SZ_ERROR_PARAM 5 | |
| 33 #define SZ_ERROR_INPUT_EOF 6 | |
| 34 #define SZ_ERROR_OUTPUT_EOF 7 | |
| 35 #define SZ_ERROR_READ 8 | |
| 36 #define SZ_ERROR_WRITE 9 | |
| 37 #define SZ_ERROR_PROGRESS 10 | |
| 38 #define SZ_ERROR_FAIL 11 | |
| 39 #define SZ_ERROR_THREAD 12 | |
| 40 | |
| 41 #define SZ_ERROR_ARCHIVE 16 | |
| 42 #define SZ_ERROR_NO_ARCHIVE 17 | |
| 43 | |
| 44 typedef int SRes; | |
| 45 | |
| 46 #ifdef _WIN32 | |
| 47 typedef DWORD WRes; | |
| 48 #else | |
| 49 typedef int WRes; | |
| 50 #endif | |
| 51 | |
| 52 #ifndef RINOK | |
| 53 #define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__;
} | |
| 54 #endif | |
| 55 | |
| 56 typedef unsigned char Byte; | |
| 57 typedef short Int16; | |
| 58 typedef unsigned short UInt16; | |
| 59 | |
| 60 #ifdef _LZMA_UINT32_IS_ULONG | |
| 61 typedef long Int32; | |
| 62 typedef unsigned long UInt32; | |
| 63 #else | |
| 64 typedef int Int32; | |
| 65 typedef unsigned int UInt32; | |
| 66 #endif | |
| 67 | |
| 68 #ifdef _SZ_NO_INT_64 | |
| 69 | |
| 70 /* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers. | |
| 71 NOTES: Some code will work incorrectly in that case! */ | |
| 72 | |
| 73 typedef long Int64; | |
| 74 typedef unsigned long UInt64; | |
| 75 | |
| 76 #else | |
| 77 | |
| 78 #if defined(_MSC_VER) || defined(__BORLANDC__) | |
| 79 typedef __int64 Int64; | |
| 80 typedef unsigned __int64 UInt64; | |
| 81 #define UINT64_CONST(n) n | |
| 82 #else | |
| 83 typedef long long int Int64; | |
| 84 typedef unsigned long long int UInt64; | |
| 85 #define UINT64_CONST(n) n ## ULL | |
| 86 #endif | |
| 87 | |
| 88 #endif | |
| 89 | |
| 90 #ifdef _LZMA_NO_SYSTEM_SIZE_T | |
| 91 typedef UInt32 SizeT; | |
| 92 #else | |
| 93 typedef size_t SizeT; | |
| 94 #endif | |
| 95 | |
| 96 typedef int Bool; | |
| 97 #define True 1 | |
| 98 #define False 0 | |
| 99 | |
| 100 | |
| 101 #ifdef _WIN32 | |
| 102 #define MY_STD_CALL __stdcall | |
| 103 #else | |
| 104 #define MY_STD_CALL | |
| 105 #endif | |
| 106 | |
| 107 #ifdef _MSC_VER | |
| 108 | |
| 109 #if _MSC_VER >= 1300 | |
| 110 #define MY_NO_INLINE __declspec(noinline) | |
| 111 #else | |
| 112 #define MY_NO_INLINE | |
| 113 #endif | |
| 114 | |
| 115 #define MY_CDECL __cdecl | |
| 116 #define MY_FAST_CALL __fastcall | |
| 117 | |
| 118 #else | |
| 119 | |
| 120 #define MY_CDECL | |
| 121 #define MY_FAST_CALL | |
| 122 | |
| 123 #endif | |
| 124 | |
| 125 | |
| 126 /* The following interfaces use first parameter as pointer to structure */ | |
| 127 | |
| 128 typedef struct | |
| 129 { | |
| 130 Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */ | |
| 131 } IByteIn; | |
| 132 | |
| 133 typedef struct | |
| 134 { | |
| 135 void (*Write)(void *p, Byte b); | |
| 136 } IByteOut; | |
| 137 | |
| 138 typedef struct | |
| 139 { | |
| 140 SRes (*Read)(void *p, void *buf, size_t *size); | |
| 141 /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. | |
| 142 (output(*size) < input(*size)) is allowed */ | |
| 143 } ISeqInStream; | |
| 144 | |
| 145 /* it can return SZ_ERROR_INPUT_EOF */ | |
| 146 SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size); | |
| 147 SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorT
ype); | |
| 148 SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf); | |
| 149 | |
| 150 typedef struct | |
| 151 { | |
| 152 size_t (*Write)(void *p, const void *buf, size_t size); | |
| 153 /* Returns: result - the number of actually written bytes. | |
| 154 (result < size) means error */ | |
| 155 } ISeqOutStream; | |
| 156 | |
| 157 typedef enum | |
| 158 { | |
| 159 SZ_SEEK_SET = 0, | |
| 160 SZ_SEEK_CUR = 1, | |
| 161 SZ_SEEK_END = 2 | |
| 162 } ESzSeek; | |
| 163 | |
| 164 typedef struct | |
| 165 { | |
| 166 SRes (*Read)(void *p, void *buf, size_t *size); /* same as ISeqInStream::Read
*/ | |
| 167 SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); | |
| 168 } ISeekInStream; | |
| 169 | |
| 170 typedef struct | |
| 171 { | |
| 172 SRes (*Look)(void *p, const void **buf, size_t *size); | |
| 173 /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. | |
| 174 (output(*size) > input(*size)) is not allowed | |
| 175 (output(*size) < input(*size)) is allowed */ | |
| 176 SRes (*Skip)(void *p, size_t offset); | |
| 177 /* offset must be <= output(*size) of Look */ | |
| 178 | |
| 179 SRes (*Read)(void *p, void *buf, size_t *size); | |
| 180 /* reads directly (without buffer). It's same as ISeqInStream::Read */ | |
| 181 SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); | |
| 182 } ILookInStream; | |
| 183 | |
| 184 SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size); | |
| 185 SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset); | |
| 186 | |
| 187 /* reads via ILookInStream::Read */ | |
| 188 SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes erro
rType); | |
| 189 SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size); | |
| 190 | |
| 191 #define LookToRead_BUF_SIZE (1 << 14) | |
| 192 | |
| 193 typedef struct | |
| 194 { | |
| 195 ILookInStream s; | |
| 196 ISeekInStream *realStream; | |
| 197 size_t pos; | |
| 198 size_t size; | |
| 199 Byte buf[LookToRead_BUF_SIZE]; | |
| 200 } CLookToRead; | |
| 201 | |
| 202 void LookToRead_CreateVTable(CLookToRead *p, int lookahead); | |
| 203 void LookToRead_Init(CLookToRead *p); | |
| 204 | |
| 205 typedef struct | |
| 206 { | |
| 207 ISeqInStream s; | |
| 208 ILookInStream *realStream; | |
| 209 } CSecToLook; | |
| 210 | |
| 211 void SecToLook_CreateVTable(CSecToLook *p); | |
| 212 | |
| 213 typedef struct | |
| 214 { | |
| 215 ISeqInStream s; | |
| 216 ILookInStream *realStream; | |
| 217 } CSecToRead; | |
| 218 | |
| 219 void SecToRead_CreateVTable(CSecToRead *p); | |
| 220 | |
| 221 typedef struct | |
| 222 { | |
| 223 SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize); | |
| 224 /* Returns: result. (result != SZ_OK) means break. | |
| 225 Value (UInt64)(Int64)-1 for size means unknown value. */ | |
| 226 } ICompressProgress; | |
| 227 | |
| 228 typedef struct | |
| 229 { | |
| 230 void *(*Alloc)(void *p, size_t size); | |
| 231 void (*Free)(void *p, void *address); /* address can be 0 */ | |
| 232 } ISzAlloc; | |
| 233 | |
| 234 #define IAlloc_Alloc(p, size) (p)->Alloc((p), size) | |
| 235 #define IAlloc_Free(p, a) (p)->Free((p), a) | |
| 236 | |
| 237 #ifdef _WIN32 | |
| 238 | |
| 239 #define CHAR_PATH_SEPARATOR '\\' | |
| 240 #define WCHAR_PATH_SEPARATOR L'\\' | |
| 241 #define STRING_PATH_SEPARATOR "\\" | |
| 242 #define WSTRING_PATH_SEPARATOR L"\\" | |
| 243 | |
| 244 #else | |
| 245 | |
| 246 #define CHAR_PATH_SEPARATOR '/' | |
| 247 #define WCHAR_PATH_SEPARATOR L'/' | |
| 248 #define STRING_PATH_SEPARATOR "/" | |
| 249 #define WSTRING_PATH_SEPARATOR L"/" | |
| 250 | |
| 251 #endif | |
| 252 | |
| 253 EXTERN_C_END | |
| 254 | |
| 255 #endif | |
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