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
|
/*
* Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
#ifndef PLATFORM_H_MODULE
#define PLATFORM_H_MODULE
#if defined (__cplusplus)
extern "C" {
#endif
/* **************************************
* Compiler Options
****************************************/
#if defined(_MSC_VER)
# define _CRT_SECURE_NO_WARNINGS /* Disable Visual Studio warning messages for fopen, strncpy, strerror */
# if (_MSC_VER <= 1800) /* 1800 == Visual Studio 2013 */
# define _CRT_SECURE_NO_DEPRECATE /* VS2005 - must be declared before <io.h> and <windows.h> */
# define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */
# endif
# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
#endif
/* **************************************
* Detect 64-bit OS
* http://nadeausoftware.com/articles/2012/02/c_c_tip_how_detect_processor_type_using_compiler_predefined_macros
****************************************/
#if defined __ia64 || defined _M_IA64 /* Intel Itanium */ \
|| defined __powerpc64__ || defined __ppc64__ || defined __PPC64__ /* POWER 64-bit */ \
|| (defined __sparc && (defined __sparcv9 || defined __sparc_v9__ || defined __arch64__)) || defined __sparc64__ /* SPARC 64-bit */ \
|| defined __x86_64__s || defined _M_X64 /* x86 64-bit */ \
|| defined __arm64__ || defined __aarch64__ || defined __ARM64_ARCH_8__ /* ARM 64-bit */ \
|| (defined __mips && (__mips == 64 || __mips == 4 || __mips == 3)) /* MIPS 64-bit */ \
|| defined _LP64 || defined __LP64__ /* NetBSD, OpenBSD */ || defined __64BIT__ /* AIX */ || defined _ADDR64 /* Cray */ \
|| (defined __SIZEOF_POINTER__ && __SIZEOF_POINTER__ == 8) /* gcc */
# if !defined(__64BIT__)
# define __64BIT__ 1
# endif
#endif
/* *********************************************************
* Turn on Large Files support (>4GB) for 32-bit Linux/Unix
***********************************************************/
#if !defined(__64BIT__) || defined(__MINGW32__) /* No point defining Large file for 64 bit but MinGW-w64 requires it */
# if !defined(_FILE_OFFSET_BITS)
# define _FILE_OFFSET_BITS 64 /* turn off_t into a 64-bit type for ftello, fseeko */
# endif
# if !defined(_LARGEFILE_SOURCE) /* obsolete macro, replaced with _FILE_OFFSET_BITS */
# define _LARGEFILE_SOURCE 1 /* Large File Support extension (LFS) - fseeko, ftello */
# endif
# if defined(_AIX) || defined(__hpux)
# define _LARGE_FILES /* Large file support on 32-bits AIX and HP-UX */
# endif
#endif
/* ************************************************************
* Detect POSIX version
* PLATFORM_POSIX_VERSION = 0 for non-Unix e.g. Windows
* PLATFORM_POSIX_VERSION = 1 for Unix-like but non-POSIX
* PLATFORM_POSIX_VERSION > 1 is equal to found _POSIX_VERSION
* Value of PLATFORM_POSIX_VERSION can be forced on command line
***************************************************************/
#ifndef PLATFORM_POSIX_VERSION
# if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) /* POSIX.1-2001 (SUSv3) conformant */ \
|| defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* BSD distros */
/* exception rule : force posix version to 200112L,
* note: it's better to use unistd.h's _POSIX_VERSION whenever possible */
# define PLATFORM_POSIX_VERSION 200112L
/* try to determine posix version through official unistd.h's _POSIX_VERSION (http://pubs.opengroup.org/onlinepubs/7908799/xsh/unistd.h.html).
* note : there is no simple way to know in advance if <unistd.h> is present or not on target system,
* Posix specification mandates its presence and its content, but target system must respect this spec.
* It's necessary to _not_ #include <unistd.h> whenever target OS is not unix-like
* otherwise it will block preprocessing stage.
* The following list of build macros tries to "guess" if target OS is likely unix-like, and therefore can #include <unistd.h>
*/
# elif !defined(_WIN32) \
&& ( defined(__unix__) || defined(__unix) \
|| defined(__midipix__) || defined(__VMS) || defined(__HAIKU__) )
# if defined(__linux__) || defined(__linux)
# ifndef _POSIX_C_SOURCE
# define _POSIX_C_SOURCE 200809L /* feature test macro : https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html */
# endif
# endif
# include <unistd.h> /* declares _POSIX_VERSION */
# if defined(_POSIX_VERSION) /* POSIX compliant */
# define PLATFORM_POSIX_VERSION _POSIX_VERSION
# else
# define PLATFORM_POSIX_VERSION 1
# endif
# else /* non-unix target platform (like Windows) */
# define PLATFORM_POSIX_VERSION 0
# endif
#endif /* PLATFORM_POSIX_VERSION */
/*-*********************************************
* Detect if isatty() and fileno() are available
************************************************/
#if (defined(__linux__) && (PLATFORM_POSIX_VERSION > 1)) \
|| (PLATFORM_POSIX_VERSION >= 200112L) \
|| defined(__DJGPP__) \
|| defined(__MSYS__)
# include <unistd.h> /* isatty */
# define IS_CONSOLE(stdStream) isatty(fileno(stdStream))
#elif defined(MSDOS) || defined(OS2) || defined(__CYGWIN__)
# include <io.h> /* _isatty */
# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream))
#elif defined(WIN32) || defined(_WIN32)
# include <io.h> /* _isatty */
# include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */
# include <stdio.h> /* FILE */
static __inline int IS_CONSOLE(FILE* stdStream) {
DWORD dummy;
return _isatty(_fileno(stdStream)) && GetConsoleMode((HANDLE)_get_osfhandle(_fileno(stdStream)), &dummy);
}
#else
# define IS_CONSOLE(stdStream) 0
#endif
/******************************
* OS-specific IO behaviors
******************************/
#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32)
# include <fcntl.h> /* _O_BINARY */
# include <io.h> /* _setmode, _fileno, _get_osfhandle */
# if !defined(__DJGPP__)
# include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */
# include <winioctl.h> /* FSCTL_SET_SPARSE */
# define SET_BINARY_MODE(file) { int const unused=_setmode(_fileno(file), _O_BINARY); (void)unused; }
# define SET_SPARSE_FILE_MODE(file) { DWORD dw; DeviceIoControl((HANDLE) _get_osfhandle(_fileno(file)), FSCTL_SET_SPARSE, 0, 0, 0, 0, &dw, 0); }
# else
# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
# define SET_SPARSE_FILE_MODE(file)
# endif
#else
# define SET_BINARY_MODE(file)
# define SET_SPARSE_FILE_MODE(file)
#endif
#ifndef ZSTD_SPARSE_DEFAULT
# if (defined(__APPLE__) && defined(__MACH__))
# define ZSTD_SPARSE_DEFAULT 0
# else
# define ZSTD_SPARSE_DEFAULT 1
# endif
#endif
#ifndef ZSTD_START_SYMBOLLIST_FRAME
# ifdef __linux__
# define ZSTD_START_SYMBOLLIST_FRAME 2
# elif defined __APPLE__
# define ZSTD_START_SYMBOLLIST_FRAME 4
# else
# define ZSTD_START_SYMBOLLIST_FRAME 0
# endif
#endif
#ifndef ZSTD_SETPRIORITY_SUPPORT
/* mandates presence of <sys/resource.h> and support for setpriority() : http://man7.org/linux/man-pages/man2/setpriority.2.html */
# define ZSTD_SETPRIORITY_SUPPORT (PLATFORM_POSIX_VERSION >= 200112L)
#endif
#ifndef ZSTD_NANOSLEEP_SUPPORT
/* mandates support of nanosleep() within <time.h> : http://man7.org/linux/man-pages/man2/nanosleep.2.html */
# if (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 199309L)) \
|| (PLATFORM_POSIX_VERSION >= 200112L)
# define ZSTD_NANOSLEEP_SUPPORT 1
# else
# define ZSTD_NANOSLEEP_SUPPORT 0
# endif
#endif
#if defined (__cplusplus)
}
#endif
#endif /* PLATFORM_H_MODULE */
|
