1/* Types.h -- Basic types
22010-10-09 : 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#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
31typedef int SRes;
32
33#ifdef _WIN32
34typedef DWORD WRes;
35#else
36typedef int WRes;
37#endif
38
39#ifndef RINOK
40#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
41#endif
42
43typedef unsigned char Byte;
44typedef short Int16;
45typedef unsigned short UInt16;
46
47#ifdef _LZMA_UINT32_IS_ULONG
48typedef long Int32;
49typedef unsigned long UInt32;
50#else
51typedef int Int32;
52typedef 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
60typedef long Int64;
61typedef unsigned long UInt64;
62
63#else
64
65#if defined(_MSC_VER) || defined(__BORLANDC__)
66typedef __int64 Int64;
67typedef unsigned __int64 UInt64;
68#define UINT64_CONST(n) n
69#else
70typedef long long int Int64;
71typedef unsigned long long int UInt64;
72#define UINT64_CONST(n) n ## ULL
73#endif
74
75#endif
76
77#ifdef _LZMA_NO_SYSTEM_SIZE_T
78typedef UInt32 SizeT;
79#else
80typedef size_t SizeT;
81#endif
82
83typedef int Bool;
84#define True 1
85#define False 0
86
87
88#ifdef _MSC_VER
89
90#if _MSC_VER >= 1300
91#define MY_NO_INLINE __declspec(noinline)
92#else
93#define MY_NO_INLINE
94#endif
95
96#define MY_CDECL __cdecl
97#define MY_FAST_CALL __fastcall
98
99#else
100
101#define MY_CDECL
102#define MY_FAST_CALL
103
104#endif
105
106
107/* The following interfaces use first parameter as pointer to structure */
108
109typedef struct
110{
111  Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */
112} IByteIn;
113
114typedef struct
115{
116  void (*Write)(void *p, Byte b);
117} IByteOut;
118
119typedef struct
120{
121  SRes (*Read)(void *p, void *buf, size_t *size);
122    /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
123       (output(*size) < input(*size)) is allowed */
124} ISeqInStream;
125
126/* it can return SZ_ERROR_INPUT_EOF */
127SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size);
128SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType);
129SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf);
130
131typedef struct
132{
133  size_t (*Write)(void *p, const void *buf, size_t size);
134    /* Returns: result - the number of actually written bytes.
135       (result < size) means error */
136} ISeqOutStream;
137
138typedef enum
139{
140  SZ_SEEK_SET = 0,
141  SZ_SEEK_CUR = 1,
142  SZ_SEEK_END = 2
143} ESzSeek;
144
145typedef struct
146{
147  SRes (*Read)(void *p, void *buf, size_t *size);  /* same as ISeqInStream::Read */
148  SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
149} ISeekInStream;
150
151typedef struct
152{
153  SRes (*Look)(void *p, const void **buf, size_t *size);
154    /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
155       (output(*size) > input(*size)) is not allowed
156       (output(*size) < input(*size)) is allowed */
157  SRes (*Skip)(void *p, size_t offset);
158    /* offset must be <= output(*size) of Look */
159
160  SRes (*Read)(void *p, void *buf, size_t *size);
161    /* reads directly (without buffer). It's same as ISeqInStream::Read */
162  SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
163} ILookInStream;
164
165SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);
166SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);
167
168/* reads via ILookInStream::Read */
169SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType);
170SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size);
171
172#define LookToRead_BUF_SIZE (1 << 14)
173
174typedef struct
175{
176  ILookInStream s;
177  ISeekInStream *realStream;
178  size_t pos;
179  size_t size;
180  Byte buf[LookToRead_BUF_SIZE];
181} CLookToRead;
182
183void LookToRead_CreateVTable(CLookToRead *p, int lookahead);
184void LookToRead_Init(CLookToRead *p);
185
186typedef struct
187{
188  ISeqInStream s;
189  ILookInStream *realStream;
190} CSecToLook;
191
192void SecToLook_CreateVTable(CSecToLook *p);
193
194typedef struct
195{
196  ISeqInStream s;
197  ILookInStream *realStream;
198} CSecToRead;
199
200void SecToRead_CreateVTable(CSecToRead *p);
201
202typedef struct
203{
204  SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize);
205    /* Returns: result. (result != SZ_OK) means break.
206       Value (UInt64)(Int64)-1 for size means unknown value. */
207} ICompressProgress;
208
209typedef struct
210{
211  void *(*Alloc)(void *p, size_t size);
212  void (*Free)(void *p, void *address); /* address can be 0 */
213} ISzAlloc;
214
215#define IAlloc_Alloc(p, size) (p)->Alloc((p), size)
216#define IAlloc_Free(p, a) (p)->Free((p), a)
217
218#ifdef _WIN32
219
220#define CHAR_PATH_SEPARATOR '\\'
221#define WCHAR_PATH_SEPARATOR L'\\'
222#define STRING_PATH_SEPARATOR "\\"
223#define WSTRING_PATH_SEPARATOR L"\\"
224
225#else
226
227#define CHAR_PATH_SEPARATOR '/'
228#define WCHAR_PATH_SEPARATOR u'/'
229#define STRING_PATH_SEPARATOR "/"
230#define WSTRING_PATH_SEPARATOR u"/"
231
232#endif
233
234#endif
235