INNER CODE UNIT · Rust

words

gfx-rs/gfx · src/auxil/auxil/src/lib.rs:71

    let words = (size / 4) as usize;
    let mut result = Vec::<u32>::with_capacity(words);
    x.seek(io::SeekFrom::Start(0))?;
    unsafe {
        // Writing all bytes through a pointer with less strict alignment when our type has no
        // invalid bitpatterns is safe.
        x.read_exact(slice::from_raw_parts_mut(
            result.as_mut_ptr() as *mut u8,
            words * 4,
        ))?;
        result.set_len(words);
    }
    const MAGIC_NUMBER: u32 = 0x07230203;
    if result.len() > 0 && result[0] == MAGIC_NUMBER.swap_bytes() {
        for word in &mut result {
            *word = word.swap_bytes();
        }
    }

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