diff options
Diffstat (limited to 'programs/platform.h')
| -rw-r--r-- | programs/platform.h | 100 |
1 files changed, 67 insertions, 33 deletions
diff --git a/programs/platform.h b/programs/platform.h index 562c831..df70037 100644 --- a/programs/platform.h +++ b/programs/platform.h @@ -24,9 +24,53 @@ extern "C" { # define _CRT_SECURE_NO_WARNINGS /* Disable some Visual warning messages for fopen, strncpy */ # define _CRT_SECURE_NO_DEPRECATE /* VS2005 */ # pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */ -# if _MSC_VER <= 1800 /* (1800 = Visual Studio 2013) */ +# if (_MSC_VER <= 1800) /* (1800 = Visual Studio 2013) */ # define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */ # endif +# if (_MSC_VER >= 1400) /* Avoid MSVC fseek()'s 2GiB barrier */ +# define fseek _fseeki64 +# endif +#endif + + +/* ************************************************************ +* 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 +***************************************************************/ +#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) \ + || defined(__midipix__) || defined(__VMS)) /* UNIX-like OS */ +# if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) + || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* POSIX.1–2001 (SUSv3) conformant */ +# define PLATFORM_POSIX_VERSION 200112L +# else +# if defined(__linux__) || defined(__linux) +# define _POSIX_C_SOURCE 200112L /* use feature test macro */ +# 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__) +# define IS_CONSOLE(stdStream) isatty(fileno(stdStream)) +#elif defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) +# include <io.h> /* _isatty */ +# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream)) +#else +# define IS_CONSOLE(stdStream) 0 #endif @@ -48,51 +92,41 @@ extern "C" { #endif -/* ************************************** -* Unix Large Files support (>4GB) -****************************************/ -#if !defined(__64BIT__) /* No point defining Large file for 64 bit */ +/* ********************************************************* +* Turn on Large Files support (>4GB) for 32-bit Linux/Unix +***********************************************************/ +#if !defined(__64BIT__) && (PLATFORM_POSIX_VERSION >= 200112L) /* No point defining Large file for 64 bit */ # if !defined(_FILE_OFFSET_BITS) # define _FILE_OFFSET_BITS 64 /* turn off_t into a 64-bit type for ftello, fseeko */ # endif -# if defined(__sun__) && !defined(_LARGEFILE_SOURCE) /* Sun Solaris 32-bits requires specific definitions */ +# 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 +# define fseek fseeko #endif - - - -/* ************************************************************ -* 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 -***************************************************************/ -#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) || defined(__midipix__) || defined(__VMS)) - /* UNIX-style OS. ------------------------------------------- */ -# if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) - || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* POSIX.1–2001 (SUSv3) conformant */ -# define PLATFORM_POSIX_VERSION 200112L +/****************************** +* 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__) +# define SET_BINARY_MODE(file) { int unused=_setmode(_fileno(file), _O_BINARY); (void)unused; } +# include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */ +# include <winioctl.h> /* FSCTL_SET_SPARSE */ +# define SET_SPARSE_FILE_MODE(file) { DWORD dw; DeviceIoControl((HANDLE) _get_osfhandle(_fileno(file)), FSCTL_SET_SPARSE, 0, 0, 0, 0, &dw, 0); } # else -# if defined(__linux__) || defined(__linux) -# define _POSIX_C_SOURCE 200112L /* use feature test macro */ -# 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 +# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) +# define SET_SPARSE_FILE_MODE(file) # endif -#endif - -#if !defined(PLATFORM_POSIX_VERSION) -# define PLATFORM_POSIX_VERSION -1 +#else +# define SET_BINARY_MODE(file) +# define SET_SPARSE_FILE_MODE(file) #endif |