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Fix LibAFL no_std errors when compiling for baremetal/embedded targets without libc/unix #3812

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Fix LibAFL no_std errors when compiling for baremetal/embedded targets without libc/unix #3812

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52 changes: 0 additions & 52 deletions crates/libafl_bolts/src/os.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -65,52 +65,6 @@ pub fn last_os_error() -> i32 {
std::io::Error::last_os_error().raw_os_error().unwrap_or(0)
}

/// Returns the last OS error (errno).
///
/// Currently supported on `no_std`:
/// * Linux
/// * Android
/// * macOS
/// * FreeBSD
/// * Dragonfly
/// * OpenBSD
/// * NetBSD
#[must_use]
#[cfg(all(
not(feature = "std"),
any(
target_os = "linux",
target_os = "android",
target_os = "macos",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "openbsd",
target_os = "netbsd"
)
))]
pub fn last_os_error() -> i32 {
unsafe {
#[cfg(target_os = "linux")]
{
*libc::__errno_location()
}
#[cfg(target_os = "android")]
{
*libc::__errno()
}
#[cfg(any(
target_os = "macos",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "openbsd",
target_os = "netbsd"
))]
{
*libc::__error()
}
}
}

/// Waits for a pid and returns the status
#[must_use]
#[cfg(unix)]
Expand All @@ -127,12 +81,6 @@ pub fn waitpid_with_signals(pid: i32) -> i32 {
continue;
}
}
#[cfg(not(feature = "std"))]
{
if last_os_error() == libc::EINTR {
continue;
}
}
return 0;
}
if libc::WIFSIGNALED(status) {
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