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lz4/programs/platform.h

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executables use basic types from util.h
2016-12-21 08:44:59 +00:00
/*
platform.h - compiler and OS detection
Copyright (C) 2016-present, Przemyslaw Skibinski, Yann Collet
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
added platfom.h
2016-12-20 17:03:13 +00:00
#ifndef PLATFORM_H_MODULE
#define PLATFORM_H_MODULE
#if defined (__cplusplus)
extern "C" {
#endif
reordered definitons in platform.h
2016-12-20 22:38:32 +00:00
util.h and platform.h based on zstd
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added platfom.h
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/* **************************************
* Compiler Options
****************************************/
#if defined(_MSC_VER)
util.h and platform.h based on zstd
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# define _CRT_SECURE_NO_WARNINGS /* Disable Visual Studio warning messages for fopen, strncpy, strerror */
# define _CRT_SECURE_NO_DEPRECATE /* VS2005 - must be declared before <io.h> and <windows.h> */
improved platform.h
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# if (_MSC_VER <= 1800) /* (1800 = Visual Studio 2013) */
added platfom.h
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# define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */
# endif
improved platform.h
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#endif
reordered definitons in platform.h
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/* **************************************
* 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
***********************************************************/
upgraded util.h
2017-02-15 16:16:15 +00:00
#if !defined(__64BIT__) || defined(__MINGW32__) /* No point defining Large file for 64 bit but MinGW-w64 requires it */
reordered definitons in platform.h
2016-12-20 22:38:32 +00:00
# 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
improved platform.h
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/* ************************************************************
* Detect POSIX version
* PLATFORM_POSIX_VERSION = -1 for non-Unix e.g. Windows
* PLATFORM_POSIX_VERSION = 0 for Unix-like non-POSIX
* PLATFORM_POSIX_VERSION >= 1 is equal to found _POSIX_VERSION
***************************************************************/
improved formatting
2016-12-20 20:11:39 +00:00
#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) /* UNIX-like OS */ \
|| defined(__midipix__) || defined(__VMS))
# 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 */
improved platform.h
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# define PLATFORM_POSIX_VERSION 200112L
# else
# if defined(__linux__) || defined(__linux)
updated platform.h
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# ifndef _POSIX_C_SOURCE
# define _POSIX_C_SOURCE 200112L /* use feature test macro */
# endif
improved platform.h
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# endif
# include <unistd.h> /* declares _POSIX_VERSION */
# if defined(_POSIX_VERSION) /* POSIX compliant */
# define PLATFORM_POSIX_VERSION _POSIX_VERSION
# else
# define PLATFORM_POSIX_VERSION 0
# endif
# endif
#endif
#if !defined(PLATFORM_POSIX_VERSION)
# define PLATFORM_POSIX_VERSION -1
#endif
/*-*********************************************
* Detect if isatty() and fileno() are available
************************************************/
#if (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) || (PLATFORM_POSIX_VERSION >= 200112L) || defined(__DJGPP__)
util.h and platform.h based on zstd
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# include <unistd.h> /* isatty */
improved platform.h
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# define IS_CONSOLE(stdStream) isatty(fileno(stdStream))
Fix IS_CONSOLE returning 1 for NUL on windows
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#elif defined(MSDOS) || defined(OS2) || defined(__CYGWIN__)
improved platform.h
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# include <io.h> /* _isatty */
# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream))
Fix IS_CONSOLE returning 1 for NUL on windows
2017-03-27 19:10:10 +00:00
#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);
}
improved platform.h
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#else
# define IS_CONSOLE(stdStream) 0
added platfom.h
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#endif
improved platform.h
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/******************************
* OS-specific Includes
******************************/
#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 */
fixed gcc warnings
2016-12-20 18:31:05 +00:00
# define SET_BINARY_MODE(file) { int unused=_setmode(_fileno(file), _O_BINARY); (void)unused; }
improved platform.h
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# define SET_SPARSE_FILE_MODE(file) { DWORD dw; DeviceIoControl((HANDLE) _get_osfhandle(_fileno(file)), FSCTL_SET_SPARSE, 0, 0, 0, 0, &dw, 0); }
added platfom.h
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# else
improved platform.h
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# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
# define SET_SPARSE_FILE_MODE(file)
added platfom.h
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# endif
improved platform.h
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#else
# define SET_BINARY_MODE(file)
# define SET_SPARSE_FILE_MODE(file)
added platfom.h
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#endif
#if defined (__cplusplus)
}
#endif
#endif /* PLATFORM_H_MODULE */
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