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#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
23EXTERN_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
43typedef int SRes;
44
45#ifdef _WIN32
46typedef DWORD WRes;
47#else
48typedef int WRes;
49#endif
50
51#ifndef RINOK
52#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
53#endif
54
55typedef unsigned char Byte;
56typedef short Int16;
57typedef unsigned short UInt16;
58
59#ifdef _LZMA_UINT32_IS_ULONG
60typedef long Int32;
61typedef unsigned long UInt32;
62#else
63typedef int Int32;
64typedef 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
72typedef long Int64;
73typedef unsigned long UInt64;
74
75#else
76
77#if defined(_MSC_VER) || defined(__BORLANDC__)
78typedef __int64 Int64;
79typedef unsigned __int64 UInt64;
80#define UINT64_CONST(n) n
81#else
82typedef long long int Int64;
83typedef 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
90typedef UInt32 SizeT;
91#else
92typedef size_t SizeT;
93#endif
94
95typedef 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
127typedef struct
128{
129 Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */
130} IByteIn;
131
132typedef struct
133{
134 void (*Write)(void *p, Byte b);
135} IByteOut;
136
137typedef 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 */
145SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size);
146SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType);
147SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf);
148
149typedef 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
156typedef enum
157{
158 SZ_SEEK_SET = 0,
159 SZ_SEEK_CUR = 1,
160 SZ_SEEK_END = 2
161} ESzSeek;
162
163typedef 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
169typedef 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
183SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);
184SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);
185
186/* reads via ILookInStream::Read */
187SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType);
188SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size);
189
190#define LookToRead_BUF_SIZE (1 << 14)
191
192typedef 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
201void LookToRead_CreateVTable(CLookToRead *p, int lookahead);
202void LookToRead_Init(CLookToRead *p);
203
204typedef struct
205{
206 ISeqInStream s;
207 ILookInStream *realStream;
208} CSecToLook;
209
210void SecToLook_CreateVTable(CSecToLook *p);
211
212typedef struct
213{
214 ISeqInStream s;
215 ILookInStream *realStream;
216} CSecToRead;
217
218void SecToRead_CreateVTable(CSecToRead *p);
219
220typedef 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
227typedef 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
252EXTERN_C_END
253
254#endif
255