release/src-rt/tools/misc/lzma_src/C/Types.h

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