usr/src/common/lzma/Types.h

   1 /*
   2  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  */
   5
   6 /* Types.h -- Basic types
   7 2008-11-23 : Igor Pavlov : Public domain */
   8
   9 #ifndef __7Z_TYPES_H
  10 #define __7Z_TYPES_H
  11
  12 #ifndef _KERNEL
  13 #include <stddef.h>
  14 #endif /* _KERNEL */
  15
  16 #ifdef _WIN32
  17 #include <windows.h>
  18 #endif
  19
  20 #define SZ_OK 0
  21
  22 #define SZ_ERROR_DATA 1
  23 #define SZ_ERROR_MEM 2
  24 #define SZ_ERROR_CRC 3
  25 #define SZ_ERROR_UNSUPPORTED 4
  26 #define SZ_ERROR_PARAM 5
  27 #define SZ_ERROR_INPUT_EOF 6
  28 #define SZ_ERROR_OUTPUT_EOF 7
  29 #define SZ_ERROR_READ 8
  30 #define SZ_ERROR_WRITE 9
  31 #define SZ_ERROR_PROGRESS 10
  32 #define SZ_ERROR_FAIL 11
  33 #define SZ_ERROR_THREAD 12
  34
  35 #define SZ_ERROR_ARCHIVE 16
  36 #define SZ_ERROR_NO_ARCHIVE 17
  37
  38 typedef int SRes;
  39
  40 #ifdef _WIN32
  41 typedef DWORD WRes;
  42 #else
  43 typedef int WRes;
  44 #endif
  45
  46 #ifndef RINOK
  47 #define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
  48 #endif
  49
  50 typedef unsigned char Byte;
  51 typedef short Int16;
  52 typedef unsigned short UInt16;
  53
  54 #ifdef _LZMA_UINT32_IS_ULONG
  55 typedef long Int32;
  56 typedef unsigned long UInt32;
  57 #else
  58 typedef int Int32;
  59 typedef unsigned int UInt32;
  60 #endif
  61
  62 #ifdef _SZ_NO_INT_64
  63
  64 /* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers.
  65    NOTES: Some code will work incorrectly in that case! */
  66
  67 typedef long Int64;
  68 typedef unsigned long UInt64;
  69
  70 #else
  71
  72 #if defined(_MSC_VER) || defined(__BORLANDC__)
  73 typedef __int64 Int64;
  74 typedef unsigned __int64 UInt64;
  75 #else
  76 typedef long long int Int64;
  77 typedef unsigned long long int UInt64;
  78 #endif
  79
  80 #endif
  81
  82 #ifdef _LZMA_NO_SYSTEM_SIZE_T
  83 typedef UInt32 SizeT;
  84 #else
  85 #include <sys/types.h>
  86 typedef size_t SizeT;
  87 #endif
  88
  89 typedef int Bool;
  90 #define True 1
  91 #define False 0
  92
  93
  94 #ifdef _MSC_VER
  95
  96 #if _MSC_VER >= 1300
  97 #define MY_NO_INLINE __declspec(noinline)
  98 #else
  99 #define MY_NO_INLINE
 100 #endif
 101
 102 #define MY_CDECL __cdecl
 103 #define MY_STD_CALL __stdcall
 104 #define MY_FAST_CALL MY_NO_INLINE __fastcall
 105
 106 #else
 107
 108 #define MY_CDECL
 109 #define MY_STD_CALL
 110 #define MY_FAST_CALL
 111
 112 #endif
 113
 114
 115 /* The following interfaces use first parameter as pointer to structure */
 116
 117 typedef struct
 118 {
 119   SRes (*Read)(void *p, void *buf, size_t *size);
 120     /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
 121        (output(*size) < input(*size)) is allowed */
 122 } ISeqInStream;
 123
 124 /* it can return SZ_ERROR_INPUT_EOF */
 125 SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size);
 126 SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType);
 127 SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf);
 128
 129 typedef struct
 130 {
 131   size_t (*Write)(void *p, const void *buf, size_t size);
 132     /* Returns: result - the number of actually written bytes.
 133        (result < size) means error */
 134 } ISeqOutStream;
 135
 136 typedef enum
 137 {
 138   SZ_SEEK_SET = 0,
 139   SZ_SEEK_CUR = 1,
 140   SZ_SEEK_END = 2
 141 } ESzSeek;
 142
 143 typedef struct
 144 {
 145   SRes (*Read)(void *p, void *buf, size_t *size);  /* same as ISeqInStream::Read */
 146   SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
 147 } ISeekInStream;
 148
 149 typedef struct
 150 {
 151   SRes (*Look)(void *p, void **buf, size_t *size);
 152     /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
 153        (output(*size) > input(*size)) is not allowed
 154        (output(*size) < input(*size)) is allowed */
 155   SRes (*Skip)(void *p, size_t offset);
 156     /* offset must be <= output(*size) of Look */
 157
 158   SRes (*Read)(void *p, void *buf, size_t *size);
 159     /* reads directly (without buffer). It's same as ISeqInStream::Read */
 160   SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
 161 } ILookInStream;
 162
 163 SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);
 164 SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);
 165
 166 /* reads via ILookInStream::Read */
 167 SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType);
 168 SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size);
 169
 170 #define LookToRead_BUF_SIZE (1 << 14)
 171
 172 typedef struct
 173 {
 174   ILookInStream s;
 175   ISeekInStream *realStream;
 176   size_t pos;
 177   size_t size;
 178   Byte buf[LookToRead_BUF_SIZE];
 179 } CLookToRead;
 180
 181 void LookToRead_CreateVTable(CLookToRead *p, int lookahead);
 182 void LookToRead_Init(CLookToRead *p);
 183
 184 typedef struct
 185 {
 186   ISeqInStream s;
 187   ILookInStream *realStream;
 188 } CSecToLook;
 189
 190 void SecToLook_CreateVTable(CSecToLook *p);
 191
 192 typedef struct
 193 {
 194   ISeqInStream s;
 195   ILookInStream *realStream;
 196 } CSecToRead;
 197
 198 void SecToRead_CreateVTable(CSecToRead *p);
 199
 200 typedef struct
 201 {
 202   SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize);
 203     /* Returns: result. (result != SZ_OK) means break.
 204        Value (UInt64)(Int64)-1 for size means unknown value. */
 205 } ICompressProgress;
 206
 207 typedef struct
 208 {
 209   void *(*Alloc)(void *p, size_t size);
 210   void (*Free)(void *p, void *address, size_t size); /* address can be 0 */
 211 } ISzAlloc;
 212
 213 #define IAlloc_Alloc(p, size) (p)->Alloc((p), size)
 214 #define IAlloc_Free(p, a) (p)->Free((p), a)
 215
 216 #endif