forked from nexgenta/tstools
-
Notifications
You must be signed in to change notification settings - Fork 0
/
compat.h
166 lines (138 loc) · 5.23 KB
/
compat.h
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
/*
* Standard names for various quantities.
*
* These are:
*
* 1. for historical reasons
* 2. to handle differences between BSD or Linux and Windows
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the MPEG TS, PS and ES tools.
*
* The Initial Developer of the Original Code is Amino Communications Ltd.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Amino Communications Ltd, Swavesey, Cambridge UK
*
* ***** END LICENSE BLOCK *****
*/
#ifndef _compat
#define _compat
#ifdef _WIN32
// Kill deprecation warnings
#pragma warning( 4: 4996 )
#include <io.h>
// Windows doesn't seem to supply <stdint.h>, so we shall have to try
// for values we hope work
typedef __int8 int8_t;
typedef __int16 int16_t;
typedef __int32 int32_t;
typedef __int64 int64_t;
typedef unsigned __int8 uint8_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int64 uint64_t;
typedef uint8_t byte;
// On BSD, lseek takes a 64-bit off_t value
// On Linux, if the system supports long files, it does the same
// On Windows, one has the choice of _lseek or _lseeki64
#define lseek _lseeki64
// MS Visual C 2003 for .Net defines off_t in sys/types.h as "long"
// I want to use the same name for my file offsets on Windows and Unix,
// but I also want to use a 64 bit quantity. So:
typedef __int64 offset_t;
// On Windows, printf supports %lld but only uses 32 bits of the input value,
// which leads to confusing results. Correct representation of 64 bit integers,
// requires the use of %I64d, which is suitable for printing out offset_t
#define OFFSET_T_FORMAT "%I64d"
#define OFFSET_T_FORMAT_8 "%8I64d"
#define OFFSET_T_FORMAT_08 "%08I64d"
// Whilst we're at it, define the format for a 64 bit integer as such
#define LLD_FORMAT "%I64d"
#define LLU_FORMAT "%I64u"
#define LLD_FORMAT_STUMP "I64d"
#define LLU_FORMAT_STUMP "I64u"
// The MSDN documentation for Visual Studio seems to indicate that
// the low-level "names" for stdin, etc., are not STDIN_FILENO, etc.,
// but are instead stdin, etc.
// This seems to naturally be confusing with the C terms stdin, etc.
// It *may* be that they actually are not distinct. However, the *numbers*
// follow the normal definitions.
#ifndef STDIN_FILENO
#define STDIN_FILENO 0
#endif
// On Windows, "inline" is a C++ only keyword. In C, it is:
#define inline __inline
// Miscellaneous other Windows-related issues...
#define snprintf _snprintf
#else // _WIN32
// Other than on Windows, using the C99 integer definitions is what people
// expect, so do so
#include <stdint.h>
#include <stdint.h>
// Keep "byte" for historical/affectionate reasons
typedef uint8_t byte;
// lseek on BSD/Linux uses an off_t quantity to specify the required
// position. Where 64 bit file positions are supported, this is a 64 bit
// value. Unfortunately, Windows has off_t defined as being a long.
// For compatibility, therefore, we define a type that can be used on
// both Windows and Unix
// NB: On some systems, off_t is provided by unistd.h, but on some others
// it may also be necessary to explicitly include sys/types.h. We shall
// do both, here, for safety.
#include <sys/types.h>
#include <unistd.h>
#define offset_t compat_offset_t__
typedef off_t offset_t;
#if defined(__linux__) && !defined(__USE_FILE_OFFSET64)
// If Linux does not have 64 bit support built in, then our offsets will
// be just 32 bit integers
#define OFFSET_T_FORMAT "%ld"
#define OFFSET_T_FORMAT_08 "%08ld" // deprecated, because it looks like hex/octal
#define OFFSET_T_FORMAT_8 "%8ld"
#else
// On Unices, printf supports %lld for 64 bit integers, and this is suitable
// for printing out offset_t when it is 64 bit
#define OFFSET_T_FORMAT "%lld"
#define OFFSET_T_FORMAT_08 "%08lld" // deprecated, because it looks like hex/octal
#define OFFSET_T_FORMAT_8 "%8lld"
#endif
// Whilst we're at it, define the format for a 64 bit integer as such
#define LLD_FORMAT "%lld"
#define LLU_FORMAT "%llu"
#define LLD_FORMAT_STUMP "lld"
#define LLU_FORMAT_STUMP "llu"
// Useful macros, but not side-effect free
#define max(i,j) ((i)>(j)?(i):(j))
#define min(i,j) ((i)<(j)?(i):(j))
#endif // WIN32
// Other useful things
typedef void * void_p;
#define TRUE 1
#define FALSE 0
// The following defaults are common, and it's difficult
// to decide which other header file they might belong in
#define DEFAULT_VIDEO_PID 0x68
#define DEFAULT_AUDIO_PID 0x67
#define DEFAULT_PMT_PID 0x66
#endif /* _compat */
// Local Variables:
// tab-width: 8
// indent-tabs-mode: nil
// c-basic-offset: 2
// End:
// vim: set tabstop=8 shiftwidth=2 expandtab: