1 /* Types.h -- Basic types 2 2008-11-23 : 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 #define SZ_OK 0 14 15 #define SZ_ERROR_DATA 1 16 #define SZ_ERROR_MEM 2 17 #define SZ_ERROR_CRC 3 18 #define SZ_ERROR_UNSUPPORTED 4 19 #define SZ_ERROR_PARAM 5 20 #define SZ_ERROR_INPUT_EOF 6 21 #define SZ_ERROR_OUTPUT_EOF 7 22 #define SZ_ERROR_READ 8 23 #define SZ_ERROR_WRITE 9 24 #define SZ_ERROR_PROGRESS 10 25 #define SZ_ERROR_FAIL 11 26 #define SZ_ERROR_THREAD 12 27 28 #define SZ_ERROR_ARCHIVE 16 29 #define SZ_ERROR_NO_ARCHIVE 17 30 31 typedef int SRes; 32 33 #ifdef _WIN32 34 typedef DWORD WRes; 35 #else 36 typedef int WRes; 37 #endif 38 39 #ifndef RINOK 40 #define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; } 41 #endif 42 43 typedef unsigned char Byte; 44 typedef short Int16; 45 typedef unsigned short UInt16; 46 47 #ifdef _LZMA_UINT32_IS_ULONG 48 typedef long Int32; 49 typedef unsigned long UInt32; 50 #else 51 typedef int Int32; 52 typedef unsigned int UInt32; 53 #endif 54 55 #ifdef _SZ_NO_INT_64 56 57 /* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers. 58 NOTES: Some code will work incorrectly in that case! */ 59 60 typedef long Int64; 61 typedef unsigned long UInt64; 62 63 #else 64 65 #if defined(_MSC_VER) || defined(__BORLANDC__) 66 typedef __int64 Int64; 67 typedef unsigned __int64 UInt64; 68 #else 69 typedef long long int Int64; 70 typedef unsigned long long int UInt64; 71 #endif 72 73 #endif 74 75 #ifdef _LZMA_NO_SYSTEM_SIZE_T 76 typedef UInt32 SizeT; 77 #else 78 typedef size_t SizeT; 79 #endif 80 81 typedef int Bool; 82 #define True 1 83 #define False 0 84 85 86 #ifdef _MSC_VER 87 88 #if _MSC_VER >= 1300 89 #define MY_NO_INLINE __declspec(noinline) 90 #else 91 #define MY_NO_INLINE 92 #endif 93 94 #define MY_CDECL __cdecl 95 #define MY_STD_CALL __stdcall 96 #define MY_FAST_CALL MY_NO_INLINE __fastcall 97 98 #else 99 100 #define MY_CDECL 101 #define MY_STD_CALL 102 #define MY_FAST_CALL 103 104 #endif 105 106 107 /* The following interfaces use first parameter as pointer to structure */ 108 109 typedef struct 110 { 111 SRes (*Read)(void *p, void *buf, size_t *size); 112 /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. 113 (output(*size) < input(*size)) is allowed */ 114 } ISeqInStream; 115 116 /* it can return SZ_ERROR_INPUT_EOF */ 117 SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size); 118 SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType); 119 SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf); 120 121 typedef struct 122 { 123 size_t (*Write)(void *p, const void *buf, size_t size); 124 /* Returns: result - the number of actually written bytes. 125 (result < size) means error */ 126 } ISeqOutStream; 127 128 typedef enum 129 { 130 SZ_SEEK_SET = 0, 131 SZ_SEEK_CUR = 1, 132 SZ_SEEK_END = 2 133 } ESzSeek; 134 135 typedef struct 136 { 137 SRes (*Read)(void *p, void *buf, size_t *size); /* same as ISeqInStream::Read */ 138 SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); 139 } ISeekInStream; 140 141 typedef struct 142 { 143 SRes (*Look)(void *p, void **buf, size_t *size); 144 /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream. 145 (output(*size) > input(*size)) is not allowed 146 (output(*size) < input(*size)) is allowed */ 147 SRes (*Skip)(void *p, size_t offset); 148 /* offset must be <= output(*size) of Look */ 149 150 SRes (*Read)(void *p, void *buf, size_t *size); 151 /* reads directly (without buffer). It's same as ISeqInStream::Read */ 152 SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin); 153 } ILookInStream; 154 155 SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size); 156 SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset); 157 158 /* reads via ILookInStream::Read */ 159 SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType); 160 SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size); 161 162 #define LookToRead_BUF_SIZE (1 << 14) 163 164 typedef struct 165 { 166 ILookInStream s; 167 ISeekInStream *realStream; 168 size_t pos; 169 size_t size; 170 Byte buf[LookToRead_BUF_SIZE]; 171 } CLookToRead; 172 173 void LookToRead_CreateVTable(CLookToRead *p, int lookahead); 174 void LookToRead_Init(CLookToRead *p); 175 176 typedef struct 177 { 178 ISeqInStream s; 179 ILookInStream *realStream; 180 } CSecToLook; 181 182 void SecToLook_CreateVTable(CSecToLook *p); 183 184 typedef struct 185 { 186 ISeqInStream s; 187 ILookInStream *realStream; 188 } CSecToRead; 189 190 void SecToRead_CreateVTable(CSecToRead *p); 191 192 typedef struct 193 { 194 SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize); 195 /* Returns: result. (result != SZ_OK) means break. 196 Value (UInt64)(Int64)-1 for size means unknown value. */ 197 } ICompressProgress; 198 199 typedef struct 200 { 201 void *(*Alloc)(void *p, size_t size); 202 void (*Free)(void *p, void *address); /* address can be 0 */ 203 } ISzAlloc; 204 205 #define IAlloc_Alloc(p, size) (p)->Alloc((p), size) 206 #define IAlloc_Free(p, a) (p)->Free((p), a) 207 208 #endif 209