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Modify the cfmakeraw() wrapper to handle its return type on AIX #1495

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Merged
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Aug 25, 2025
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Modify the cfmakeraw() wrapper to handle its return type on AIX #1495

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15 changes: 14 additions & 1 deletion src/backend/libc/termios/syscalls.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -493,7 +493,20 @@ pub(crate) fn set_input_speed(termios: &mut Termios, arbitrary_speed: u32) -> io
#[cfg(not(any(target_os = "espidf", target_os = "nto", target_os = "wasi")))]
#[inline]
pub(crate) fn cfmakeraw(termios: &mut Termios) {
unsafe { c::cfmakeraw(as_mut_ptr(termios).cast()) }
unsafe {
// On AIX, cfmakeraw() has a return type of 'int' instead of 'void'.
// If the argument 'termios' is NULL, it returns -1; otherwise, it returns 0.
// We believe it is safe to ignore the return value.
#[cfg(target_os = "aix")]
{
let _ = c::cfmakeraw(as_mut_ptr(termios).cast());
}

#[cfg(not(target_os = "aix"))]
{
c::cfmakeraw(as_mut_ptr(termios).cast());
}
}
}

pub(crate) fn isatty(fd: BorrowedFd<'_>) -> bool {
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