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Fix IS_CONSOLE returning 1 for NUL on windows

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This commit is contained in:
Sean Purcell 2017-03-27 12:19:30 -07:00
parent 0246d5c531
commit 894bf49713
1 changed files with 10 additions and 1 deletions
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11
programs/platform.h
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@ -100,9 +100,18 @@ extern "C" {
#if (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) || (PLATFORM_POSIX_VERSION >= 200112L) || defined(__DJGPP__) #if (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) || (PLATFORM_POSIX_VERSION >= 200112L) || defined(__DJGPP__)
# include <unistd.h> /* isatty */ # include <unistd.h> /* isatty */
# define IS_CONSOLE(stdStream) isatty(fileno(stdStream)) # define IS_CONSOLE(stdStream) isatty(fileno(stdStream))
#elif defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) #elif defined(MSDOS) || defined(OS2) || defined(__CYGWIN__)
# include <io.h> /* _isatty */ # include <io.h> /* _isatty */
# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream)) # 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 #else
# define IS_CONSOLE(stdStream) 0 # define IS_CONSOLE(stdStream) 0
#endif #endif