1/*
2 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
3 * Use is subject to license terms.
4 */
5
6/* Types.h -- Basic types
72008-11-23 : 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
38typedef int SRes;
39
40#ifdef _WIN32
41typedef DWORD WRes;
42#else
43typedef int WRes;
44#endif
45
46#ifndef RINOK
47#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
48#endif
49
50typedef unsigned char Byte;
51typedef short Int16;
52typedef unsigned short UInt16;
53
54#ifdef _LZMA_UINT32_IS_ULONG
55typedef long Int32;
56typedef unsigned long UInt32;
57#else
58typedef int Int32;
59typedef 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
67typedef long Int64;
68typedef unsigned long UInt64;
69
70#else
71
72#if defined(_MSC_VER) || defined(__BORLANDC__)
73typedef __int64 Int64;
74typedef unsigned __int64 UInt64;
75#else
76typedef long long int Int64;
77typedef unsigned long long int UInt64;
78#endif
79
80#endif
81
82#ifdef _LZMA_NO_SYSTEM_SIZE_T
83typedef UInt32 SizeT;
84#else
85#include <sys/types.h>
86typedef size_t SizeT;
87#endif
88
89typedef 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
117typedef 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 */
125SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size);
126SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType);
127SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf);
128
129typedef 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
136typedef enum
137{
138  SZ_SEEK_SET = 0,
139  SZ_SEEK_CUR = 1,
140  SZ_SEEK_END = 2
141} ESzSeek;
142
143typedef 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
149typedef 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
163SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);
164SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);
165
166/* reads via ILookInStream::Read */
167SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType);
168SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size);
169
170#define LookToRead_BUF_SIZE (1 << 14)
171
172typedef 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
181void LookToRead_CreateVTable(CLookToRead *p, int lookahead);
182void LookToRead_Init(CLookToRead *p);
183
184typedef struct
185{
186  ISeqInStream s;
187  ILookInStream *realStream;
188} CSecToLook;
189
190void SecToLook_CreateVTable(CSecToLook *p);
191
192typedef struct
193{
194  ISeqInStream s;
195  ILookInStream *realStream;
196} CSecToRead;
197
198void SecToRead_CreateVTable(CSecToRead *p);
199
200typedef 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
207typedef 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
217