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26 lines
582 B
26 lines
582 B
/// Copy slice of bytes only
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///
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/// # Notes
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/// `dst` and `src` must not overlap. See [move_slice].
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pub fn copy_slice(dst: &mut [u8], src: &[u8]) -> usize
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{
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let sz = std::cmp::min(dst.len(),src.len());
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unsafe {
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std::ptr::copy(&src[0] as *const u8, &mut dst[0] as *mut u8, sz);
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}
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sz
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}
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/// Move slice of bytes only
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///
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/// # Notes
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/// `dst` and `src` can overlap.
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pub fn move_slice(dst: &mut [u8], src: &[u8]) -> usize
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{
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let sz = std::cmp::min(dst.len(),src.len());
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unsafe {
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std::ptr::copy(&src[0] as *const u8, &mut dst[0] as *mut u8, sz);
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}
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sz
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}
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