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usage of fileno() only on POSIX and Windows

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inikep
2016-05-25 12:41:41 +02:00
parent e75909ef93
commit 4f1acdd158
2 changed files with 4 additions and 3 deletions
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programs/zstdcli.c
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@@ -52,9 +52,12 @@
# include <io.h> /* _isatty */
# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream))
#else
extern int fileno(FILE *stream); /* triggers fileno() within <stdio.h> on POSIX */
#if _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_SOURCE
# include <unistd.h> /* isatty */
# define IS_CONSOLE(stdStream) isatty(fileno(stdStream))
#else
# define IS_CONSOLE(stdStream) 0
#endif
#endif