diff options
Diffstat (limited to 'vendor/rustix/src/backend/libc/system/syscalls.rs')
| -rw-r--r-- | vendor/rustix/src/backend/libc/system/syscalls.rs | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/vendor/rustix/src/backend/libc/system/syscalls.rs b/vendor/rustix/src/backend/libc/system/syscalls.rs index a731e9302..27efd2653 100644 --- a/vendor/rustix/src/backend/libc/system/syscalls.rs +++ b/vendor/rustix/src/backend/libc/system/syscalls.rs @@ -7,7 +7,12 @@ use crate::backend::conv::ret_infallible; #[cfg(linux_kernel)] use crate::system::Sysinfo; use core::mem::MaybeUninit; -#[cfg(not(any(target_os = "emscripten", target_os = "redox", target_os = "wasi")))] +#[cfg(not(any( + target_os = "emscripten", + target_os = "espidf", + target_os = "redox", + target_os = "wasi" +)))] use {crate::backend::conv::ret, crate::io}; #[cfg(not(target_os = "wasi"))] @@ -15,7 +20,15 @@ use {crate::backend::conv::ret, crate::io}; pub(crate) fn uname() -> RawUname { let mut uname = MaybeUninit::<RawUname>::uninit(); unsafe { - ret_infallible(c::uname(uname.as_mut_ptr())); + let r = c::uname(uname.as_mut_ptr()); + + // On POSIX, `uname` is documented to return non-negative on success + // instead of the usual 0, though some specific systems do document + // that they always use zero allowing us to skip this check. + #[cfg(not(any(apple, freebsdlike, linux_like, target_os = "netbsd")))] + let r = core::cmp::min(r, 0); + + ret_infallible(r); uname.assume_init() } } @@ -29,7 +42,12 @@ pub(crate) fn sysinfo() -> Sysinfo { } } -#[cfg(not(any(target_os = "emscripten", target_os = "redox", target_os = "wasi")))] +#[cfg(not(any( + target_os = "emscripten", + target_os = "espidf", + target_os = "redox", + target_os = "wasi" +)))] pub(crate) fn sethostname(name: &[u8]) -> io::Result<()> { unsafe { ret(c::sethostname( |