Repository navigation
Expand file tree
/
Copy pathsysdefs.h
More file actions
204 lines (180 loc) · 4.89 KB
/
Copy pathsysdefs.h
File metadata and controls
204 lines (180 loc) · 4.89 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
///////////////////////////////////////////////////////////////////////////////
//
/// \file sysdefs.h
/// \brief Common includes, definitions, system-specific things etc.
///
/// This file is used also by the lzma command line tool, that's why this
/// file is separate from common.h.
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_SYSDEFS_H
#define LZMA_SYSDEFS_H
//////////////
// Includes //
//////////////
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
// Get standard-compliant stdio functions under MinGW and MinGW-w64.
#ifdef __MINGW32__
# define __USE_MINGW_ANSI_STDIO 1
#endif
// size_t and NULL
#include <stddef.h>
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#endif
// C99 says that inttypes.h always includes stdint.h, but some systems
// don't do that, and require including stdint.h separately.
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
// Some pre-C99 systems have SIZE_MAX in limits.h instead of stdint.h. The
// limits are also used to figure out some macros missing from pre-C99 systems.
#ifdef HAVE_LIMITS_H
# include <limits.h>
#endif
// Be more compatible with systems that have non-conforming inttypes.h.
// We assume that int is 32-bit and that long is either 32-bit or 64-bit.
// Full Autoconf test could be more correct, but this should work well enough.
// Note that this duplicates some code from lzma.h, but this is better since
// we can work without inttypes.h thanks to Autoconf tests.
#ifndef UINT32_C
# if UINT_MAX != 4294967295U
# error UINT32_C is not defined and unsigned int is not 32-bit.
# endif
# define UINT32_C(n) n ## U
#endif
#ifndef UINT32_MAX
# define UINT32_MAX UINT32_C(4294967295)
#endif
#ifndef PRIu32
# define PRIu32 "u"
#endif
#ifndef PRIx32
# define PRIx32 "x"
#endif
#ifndef PRIX32
# define PRIX32 "X"
#endif
#if ULONG_MAX == 4294967295UL
# ifndef UINT64_C
# define UINT64_C(n) n ## ULL
# endif
# ifndef PRIu64
# define PRIu64 "llu"
# endif
# ifndef PRIx64
# define PRIx64 "llx"
# endif
# ifndef PRIX64
# define PRIX64 "llX"
# endif
#else
# ifndef UINT64_C
# define UINT64_C(n) n ## UL
# endif
# ifndef PRIu64
# define PRIu64 "lu"
# endif
# ifndef PRIx64
# define PRIx64 "lx"
# endif
# ifndef PRIX64
# define PRIX64 "lX"
# endif
#endif
#ifndef UINT64_MAX
# define UINT64_MAX UINT64_C(18446744073709551615)
#endif
// Incorrect(?) SIZE_MAX:
// - Interix headers typedef size_t to unsigned long,
// but a few lines later define SIZE_MAX to INT32_MAX.
// - SCO OpenServer (x86) headers typedef size_t to unsigned int
// but define SIZE_MAX to INT32_MAX.
#if defined(__INTERIX) || defined(_SCO_DS)
# undef SIZE_MAX
#endif
// The code currently assumes that size_t is either 32-bit or 64-bit.
#ifndef SIZE_MAX
# if SIZEOF_SIZE_T == 4
# define SIZE_MAX UINT32_MAX
# elif SIZEOF_SIZE_T == 8
# define SIZE_MAX UINT64_MAX
# else
# error size_t is not 32-bit or 64-bit
# endif
#endif
#if SIZE_MAX != UINT32_MAX && SIZE_MAX != UINT64_MAX
# error size_t is not 32-bit or 64-bit
#endif
#include <stdlib.h>
#include <assert.h>
// Pre-C99 systems lack stdbool.h. All the code in LZMA Utils must be written
// so that it works with fake bool type, for example:
//
// bool foo = (flags & 0x100) != 0;
// bool bar = !!(flags & 0x100);
//
// This works with the real C99 bool but breaks with fake bool:
//
// bool baz = (flags & 0x100);
//
#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#else
# if ! HAVE__BOOL
typedef unsigned char _Bool;
# endif
# define bool _Bool
# define false 0
# define true 1
# define __bool_true_false_are_defined 1
#endif
// string.h should be enough but let's include strings.h and memory.h too if
// they exists, since that shouldn't do any harm, but may improve portability.
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_MEMORY_H
# include <memory.h>
#endif
// As of MSVC 2013, inline and restrict are supported with
// non-standard keywords.
#if defined(_WIN32) && defined(_MSC_VER)
# ifndef inline
# define inline __inline
# endif
# ifndef restrict
# define restrict __restrict
# endif
#elif __STDC_VERSION__ < 199901L
# define restrict // nothing
#endif
////////////
// Macros //
////////////
#undef memzero
#define memzero(s, n) memset(s, 0, n)
// NOTE: Avoid using MIN() and MAX(), because even conditionally defining
// those macros can cause some portability trouble, since on some systems
// the system headers insist defining their own versions.
#define my_min(x, y) ((x) < (y) ? (x) : (y))
#define my_max(x, y) ((x) > (y) ? (x) : (y))
#ifndef ARRAY_SIZE
# define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
#endif
#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4
# define lzma_attr_alloc_size(x) __attribute__((__alloc_size__(x)))
#else
# define lzma_attr_alloc_size(x)
#endif
#endif