1 /* Types.h -- Basic types
2 2010-10-09 : 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 
31 typedef int SRes;
32 
33 #ifdef _WIN32
34 typedef DWORD WRes;
35 #else
36 typedef int WRes;
37 #endif
38 
39 #ifndef RINOK
40 #define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
41 #endif
42 
43 typedef unsigned char Byte;
44 typedef short Int16;
45 typedef unsigned short UInt16;
46 
47 #ifdef _LZMA_UINT32_IS_ULONG
48 typedef long Int32;
49 typedef unsigned long UInt32;
50 #else
51 typedef int Int32;
52 typedef 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 
60 typedef long Int64;
61 typedef unsigned long UInt64;
62 
63 #else
64 
65 #if defined(_MSC_VER) || defined(__BORLANDC__)
66 typedef __int64 Int64;
67 typedef unsigned __int64 UInt64;
68 #define UINT64_CONST(n) n
69 #else
70 typedef long long int Int64;
71 typedef 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
78 typedef UInt32 SizeT;
79 #else
80 typedef size_t SizeT;
81 #endif
82 
83 typedef int Bool;
84 #define True 1
85 #define False 0
86 
87 #ifdef _MSC_VER
88 
89 #if _MSC_VER >= 1300
90 #define MY_NO_INLINE __declspec(noinline)
91 #else
92 #define MY_NO_INLINE
93 #endif
94 
95 #define MY_CDECL __cdecl
96 #define MY_FAST_CALL __fastcall
97 
98 #else
99 
100 #define MY_CDECL
101 #define MY_FAST_CALL
102 
103 #endif
104 
105 /* The following interfaces use first parameter as pointer to structure */
106 
107 typedef struct
108 {
109   Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */
110 } IByteIn;
111 
112 typedef struct
113 {
114   void (*Write)(void *p, Byte b);
115 } IByteOut;
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, const 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); /* 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 #ifdef _WIN32
217 
218 #define CHAR_PATH_SEPARATOR '\\'
219 #define WCHAR_PATH_SEPARATOR L'\\'
220 #define STRING_PATH_SEPARATOR "\\"
221 #define WSTRING_PATH_SEPARATOR L"\\"
222 
223 #else
224 
225 #define CHAR_PATH_SEPARATOR '/'
226 #define WCHAR_PATH_SEPARATOR u'/'
227 #define STRING_PATH_SEPARATOR "/"
228 #define WSTRING_PATH_SEPARATOR u"/"
229 
230 #endif
231 
232 #endif
233