1///////////////////////////////////////////////////////////////////////////////
2//
3/// \file sysdefs.h
4/// \brief Common includes, definitions, system-specific things etc.
5///
6/// This file is used also by the lzma command line tool, that's why this
7/// file is separate from common.h.
8//
9// Author: Lasse Collin
10//
11// This file has been put into the public domain.
12// You can do whatever you want with this file.
13//
14///////////////////////////////////////////////////////////////////////////////
15
16#ifndef LZMA_SYSDEFS_H
17#define LZMA_SYSDEFS_H
18
19//////////////
20// Includes //
21//////////////
22
23#ifdef HAVE_CONFIG_H
24# include <config.h>
25#endif
26
27// size_t and NULL
28#include <stddef.h>
29
30#ifdef HAVE_INTTYPES_H
31# include <inttypes.h>
32#endif
33
34// C99 says that inttypes.h always includes stdint.h, but some systems
35// don't do that, and require including stdint.h separately.
36#ifdef HAVE_STDINT_H
37# include <stdint.h>
38#endif
39
40// Some pre-C99 systems have SIZE_MAX in limits.h instead of stdint.h. The
41// limits are also used to figure out some macros missing from pre-C99 systems.
42#ifdef HAVE_LIMITS_H
43# include <limits.h>
44#endif
45
46// Be more compatible with systems that have non-conforming inttypes.h.
47// We assume that int is 32-bit and that long is either 32-bit or 64-bit.
48// Full Autoconf test could be more correct, but this should work well enough.
49// Note that this duplicates some code from lzma.h, but this is better since
50// we can work without inttypes.h thanks to Autoconf tests.
51#ifndef UINT32_C
52# if UINT_MAX != 4294967295U
53# error UINT32_C is not defined and unsigned int is not 32-bit.
54# endif
55# define UINT32_C(n) n ## U
56#endif
57#ifndef UINT32_MAX
58# define UINT32_MAX UINT32_C(4294967295)
59#endif
60#ifndef PRIu32
61# define PRIu32 "u"
62#endif
63#ifndef PRIX32
64# define PRIX32 "X"
65#endif
66
67#if ULONG_MAX == 4294967295UL
68# ifndef UINT64_C
69# define UINT64_C(n) n ## ULL
70# endif
71# ifndef PRIu64
72# define PRIu64 "llu"
73# endif
74# ifndef PRIX64
75# define PRIX64 "llX"
76# endif
77#else
78# ifndef UINT64_C
79# define UINT64_C(n) n ## UL
80# endif
81# ifndef PRIu64
82# define PRIu64 "lu"
83# endif
84# ifndef PRIX64
85# define PRIX64 "lX"
86# endif
87#endif
88#ifndef UINT64_MAX
89# define UINT64_MAX UINT64_C(18446744073709551615)
90#endif
91
92// Interix has broken header files, which typedef size_t to unsigned long,
93// but a few lines later define SIZE_MAX to INT32_MAX.
94#ifdef __INTERIX
95# undef SIZE_MAX
96#endif
97
98// The code currently assumes that size_t is either 32-bit or 64-bit.
99#ifndef SIZE_MAX
100# if SIZEOF_SIZE_T == 4
101# define SIZE_MAX UINT32_MAX
102# elif SIZEOF_SIZE_T == 8
103# define SIZE_MAX UINT64_MAX
104# else
| 1///////////////////////////////////////////////////////////////////////////////
2//
3/// \file sysdefs.h
4/// \brief Common includes, definitions, system-specific things etc.
5///
6/// This file is used also by the lzma command line tool, that's why this
7/// file is separate from common.h.
8//
9// Author: Lasse Collin
10//
11// This file has been put into the public domain.
12// You can do whatever you want with this file.
13//
14///////////////////////////////////////////////////////////////////////////////
15
16#ifndef LZMA_SYSDEFS_H
17#define LZMA_SYSDEFS_H
18
19//////////////
20// Includes //
21//////////////
22
23#ifdef HAVE_CONFIG_H
24# include <config.h>
25#endif
26
27// size_t and NULL
28#include <stddef.h>
29
30#ifdef HAVE_INTTYPES_H
31# include <inttypes.h>
32#endif
33
34// C99 says that inttypes.h always includes stdint.h, but some systems
35// don't do that, and require including stdint.h separately.
36#ifdef HAVE_STDINT_H
37# include <stdint.h>
38#endif
39
40// Some pre-C99 systems have SIZE_MAX in limits.h instead of stdint.h. The
41// limits are also used to figure out some macros missing from pre-C99 systems.
42#ifdef HAVE_LIMITS_H
43# include <limits.h>
44#endif
45
46// Be more compatible with systems that have non-conforming inttypes.h.
47// We assume that int is 32-bit and that long is either 32-bit or 64-bit.
48// Full Autoconf test could be more correct, but this should work well enough.
49// Note that this duplicates some code from lzma.h, but this is better since
50// we can work without inttypes.h thanks to Autoconf tests.
51#ifndef UINT32_C
52# if UINT_MAX != 4294967295U
53# error UINT32_C is not defined and unsigned int is not 32-bit.
54# endif
55# define UINT32_C(n) n ## U
56#endif
57#ifndef UINT32_MAX
58# define UINT32_MAX UINT32_C(4294967295)
59#endif
60#ifndef PRIu32
61# define PRIu32 "u"
62#endif
63#ifndef PRIX32
64# define PRIX32 "X"
65#endif
66
67#if ULONG_MAX == 4294967295UL
68# ifndef UINT64_C
69# define UINT64_C(n) n ## ULL
70# endif
71# ifndef PRIu64
72# define PRIu64 "llu"
73# endif
74# ifndef PRIX64
75# define PRIX64 "llX"
76# endif
77#else
78# ifndef UINT64_C
79# define UINT64_C(n) n ## UL
80# endif
81# ifndef PRIu64
82# define PRIu64 "lu"
83# endif
84# ifndef PRIX64
85# define PRIX64 "lX"
86# endif
87#endif
88#ifndef UINT64_MAX
89# define UINT64_MAX UINT64_C(18446744073709551615)
90#endif
91
92// Interix has broken header files, which typedef size_t to unsigned long,
93// but a few lines later define SIZE_MAX to INT32_MAX.
94#ifdef __INTERIX
95# undef SIZE_MAX
96#endif
97
98// The code currently assumes that size_t is either 32-bit or 64-bit.
99#ifndef SIZE_MAX
100# if SIZEOF_SIZE_T == 4
101# define SIZE_MAX UINT32_MAX
102# elif SIZEOF_SIZE_T == 8
103# define SIZE_MAX UINT64_MAX
104# else
|
105# error sizeof(size_t) is not 32-bit or 64-bit
| 105# error size_t is not 32-bit or 64-bit
|
106# endif
107#endif
108#if SIZE_MAX != UINT32_MAX && SIZE_MAX != UINT64_MAX
| 106# endif
107#endif
108#if SIZE_MAX != UINT32_MAX && SIZE_MAX != UINT64_MAX
|
109# error sizeof(size_t) is not 32-bit or 64-bit
| 109# error size_t is not 32-bit or 64-bit
|
110#endif
111
112#include <stdlib.h>
113#include <assert.h>
114
115// Pre-C99 systems lack stdbool.h. All the code in LZMA Utils must be written
116// so that it works with fake bool type, for example:
117//
118// bool foo = (flags & 0x100) != 0;
119// bool bar = !!(flags & 0x100);
120//
121// This works with the real C99 bool but breaks with fake bool:
122//
123// bool baz = (flags & 0x100);
124//
125#ifdef HAVE_STDBOOL_H
126# include <stdbool.h>
127#else
128# if ! HAVE__BOOL
129typedef unsigned char _Bool;
130# endif
131# define bool _Bool
132# define false 0
133# define true 1
134# define __bool_true_false_are_defined 1
135#endif
136
137// string.h should be enough but let's include strings.h and memory.h too if
138// they exists, since that shouldn't do any harm, but may improve portability.
139#ifdef HAVE_STRING_H
140# include <string.h>
141#endif
142
143#ifdef HAVE_STRINGS_H
144# include <strings.h>
145#endif
146
147#ifdef HAVE_MEMORY_H
148# include <memory.h>
149#endif
150
151
152////////////
153// Macros //
154////////////
155
156#undef memzero
157#define memzero(s, n) memset(s, 0, n)
158
| 110#endif
111
112#include <stdlib.h>
113#include <assert.h>
114
115// Pre-C99 systems lack stdbool.h. All the code in LZMA Utils must be written
116// so that it works with fake bool type, for example:
117//
118// bool foo = (flags & 0x100) != 0;
119// bool bar = !!(flags & 0x100);
120//
121// This works with the real C99 bool but breaks with fake bool:
122//
123// bool baz = (flags & 0x100);
124//
125#ifdef HAVE_STDBOOL_H
126# include <stdbool.h>
127#else
128# if ! HAVE__BOOL
129typedef unsigned char _Bool;
130# endif
131# define bool _Bool
132# define false 0
133# define true 1
134# define __bool_true_false_are_defined 1
135#endif
136
137// string.h should be enough but let's include strings.h and memory.h too if
138// they exists, since that shouldn't do any harm, but may improve portability.
139#ifdef HAVE_STRING_H
140# include <string.h>
141#endif
142
143#ifdef HAVE_STRINGS_H
144# include <strings.h>
145#endif
146
147#ifdef HAVE_MEMORY_H
148# include <memory.h>
149#endif
150
151
152////////////
153// Macros //
154////////////
155
156#undef memzero
157#define memzero(s, n) memset(s, 0, n)
158
|
159#ifndef MIN
160# define MIN(x, y) ((x) < (y) ? (x) : (y))
161#endif
| 159// NOTE: Avoid using MIN() and MAX(), because even conditionally defining
160// those macros can cause some portability trouble, since on some systems
161// the system headers insist defining their own versions.
162#define my_min(x, y) ((x) < (y) ? (x) : (y))
163#define my_max(x, y) ((x) > (y) ? (x) : (y))
|
162
| 164
|
163#ifndef MAX
164# define MAX(x, y) ((x) > (y) ? (x) : (y))
165#endif
166
| |
167#ifndef ARRAY_SIZE
168# define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
169#endif
170
171#endif
| 165#ifndef ARRAY_SIZE
166# define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
167#endif
168
169#endif
|