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Diffstat (limited to 'library/test/src/helpers/isatty.rs')
-rw-r--r-- | library/test/src/helpers/isatty.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/library/test/src/helpers/isatty.rs b/library/test/src/helpers/isatty.rs new file mode 100644 index 000000000..874ecc376 --- /dev/null +++ b/library/test/src/helpers/isatty.rs @@ -0,0 +1,32 @@ +//! Helper module which provides a function to test +//! if stdout is a tty. + +cfg_if::cfg_if! { + if #[cfg(unix)] { + pub fn stdout_isatty() -> bool { + unsafe { libc::isatty(libc::STDOUT_FILENO) != 0 } + } + } else if #[cfg(windows)] { + pub fn stdout_isatty() -> bool { + type DWORD = u32; + type BOOL = i32; + type HANDLE = *mut u8; + type LPDWORD = *mut u32; + const STD_OUTPUT_HANDLE: DWORD = -11i32 as DWORD; + extern "system" { + fn GetStdHandle(which: DWORD) -> HANDLE; + fn GetConsoleMode(hConsoleHandle: HANDLE, lpMode: LPDWORD) -> BOOL; + } + unsafe { + let handle = GetStdHandle(STD_OUTPUT_HANDLE); + let mut out = 0; + GetConsoleMode(handle, &mut out) != 0 + } + } + } else { + // FIXME: Implement isatty on SGX + pub fn stdout_isatty() -> bool { + false + } + } +} |