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Diffstat (limited to '')
| -rw-r--r-- | src/xz/util.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/xz/util.h b/src/xz/util.h index 6d7e1481..1da40371 100644 --- a/src/xz/util.h +++ b/src/xz/util.h @@ -105,6 +105,20 @@ lzma_attribute((__format__(__printf__, 3, 4))) extern void my_snprintf(char **pos, size_t *left, const char *fmt, ...); +/// \brief Test if file descriptor is a terminal +/// +/// For POSIX systems, this is a simple wrapper around isatty(). However on +/// Windows, isatty() returns true for all character devices, not just +/// terminals. +/// +/// \param fd File descriptor to test +/// +/// \return bool: +/// - true if file descriptor is a terminal +/// - false otherwise +extern bool is_tty(int fd); + + /// \brief Test if stdin is a terminal /// /// If stdin is a terminal, an error message is printed and exit status set |