bashi@chromium.org | c2a9375 | 2012-05-02 00:18:22 +0000 | [diff] [blame^] | 1 | /* Types.h -- Basic types |
| 2 | 2010-10-09 : 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 | |
| 23 | EXTERN_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 | |
| 43 | typedef int SRes; |
| 44 | |
| 45 | #ifdef _WIN32 |
| 46 | typedef DWORD WRes; |
| 47 | #else |
| 48 | typedef int WRes; |
| 49 | #endif |
| 50 | |
| 51 | #ifndef RINOK |
| 52 | #define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; } |
| 53 | #endif |
| 54 | |
| 55 | typedef unsigned char Byte; |
| 56 | typedef short Int16; |
| 57 | typedef unsigned short UInt16; |
| 58 | |
| 59 | #ifdef _LZMA_UINT32_IS_ULONG |
| 60 | typedef long Int32; |
| 61 | typedef unsigned long UInt32; |
| 62 | #else |
| 63 | typedef int Int32; |
| 64 | typedef 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 | |
| 72 | typedef long Int64; |
| 73 | typedef unsigned long UInt64; |
| 74 | |
| 75 | #else |
| 76 | |
| 77 | #if defined(_MSC_VER) || defined(__BORLANDC__) |
| 78 | typedef __int64 Int64; |
| 79 | typedef unsigned __int64 UInt64; |
| 80 | #define UINT64_CONST(n) n |
| 81 | #else |
| 82 | typedef long long int Int64; |
| 83 | typedef 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 |
| 90 | typedef UInt32 SizeT; |
| 91 | #else |
| 92 | typedef size_t SizeT; |
| 93 | #endif |
| 94 | |
| 95 | typedef 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 | |
| 127 | typedef struct |
| 128 | { |
| 129 | Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */ |
| 130 | } IByteIn; |
| 131 | |
| 132 | typedef struct |
| 133 | { |
| 134 | void (*Write)(void *p, Byte b); |
| 135 | } IByteOut; |
| 136 | |
| 137 | typedef 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 */ |
| 145 | SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size); |
| 146 | SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType); |
| 147 | SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf); |
| 148 | |
| 149 | typedef 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 | |
| 156 | typedef enum |
| 157 | { |
| 158 | SZ_SEEK_SET = 0, |
| 159 | SZ_SEEK_CUR = 1, |
| 160 | SZ_SEEK_END = 2 |
| 161 | } ESzSeek; |
| 162 | |
| 163 | typedef 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 | |
| 169 | typedef 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 | |
| 183 | SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size); |
| 184 | SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset); |
| 185 | |
| 186 | /* reads via ILookInStream::Read */ |
| 187 | SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType); |
| 188 | SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size); |
| 189 | |
| 190 | #define LookToRead_BUF_SIZE (1 << 14) |
| 191 | |
| 192 | typedef 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 | |
| 201 | void LookToRead_CreateVTable(CLookToRead *p, int lookahead); |
| 202 | void LookToRead_Init(CLookToRead *p); |
| 203 | |
| 204 | typedef struct |
| 205 | { |
| 206 | ISeqInStream s; |
| 207 | ILookInStream *realStream; |
| 208 | } CSecToLook; |
| 209 | |
| 210 | void SecToLook_CreateVTable(CSecToLook *p); |
| 211 | |
| 212 | typedef struct |
| 213 | { |
| 214 | ISeqInStream s; |
| 215 | ILookInStream *realStream; |
| 216 | } CSecToRead; |
| 217 | |
| 218 | void SecToRead_CreateVTable(CSecToRead *p); |
| 219 | |
| 220 | typedef 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 | |
| 227 | typedef 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 | |
| 252 | EXTERN_C_END |
| 253 | |
| 254 | #endif |