Function safe_bytes

compiler/src/main/mod.rs:139–142

Builds a `&[u8]` from an FFI `(ptr, len)`, empty on null or zero length, `from_raw_parts` would UB on either. */

(ptr: *const u8, len: u32)

/* Builds a `&[u8]` from an FFI `(ptr, len)`, empty on null or zero length, `from_raw_parts` would UB on either. */
pub(super) unsafe fn safe_bytes<'a>(ptr: *const u8, len: u32) -> &'a [u8] {
    if ptr.is_null() || len == 0 { return &[]; }
    unsafe { core::slice::from_raw_parts(ptr, len as usize) }
}

/* Same for `&[u32]` argv arrays. */
pub(super) unsafe fn safe_handles<'a>(ptr: *const u32, len: u32) -> &'a [u32] {