src/backup/index: style fixup & unsafe copy removal
We can use the safe .copy_from_slice alternative in this case. Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
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@ -63,18 +63,24 @@ impl DigestListEncoder {
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}
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impl std::io::Read for DigestListEncoder {
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fn read(&mut self, buf: &mut [u8]) -> Result<usize, std::io::Error> {
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if buf.len() < 32 { panic!("read buffer too small"); }
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if buf.len() < 32 {
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panic!("read buffer too small");
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}
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if self.pos < self.count {
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let mut written = 0;
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loop {
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let digest = self.index.index_digest(self.pos).unwrap();
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unsafe { std::ptr::copy_nonoverlapping(digest.as_ptr(), buf.as_mut_ptr().add(written), 32); }
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buf[written..(written + 32)].copy_from_slice(digest);
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self.pos += 1;
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written += 32;
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if self.pos >= self.count { break; }
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if (written + 32) >= buf.len() { break; }
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if self.pos >= self.count {
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break;
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}
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if (written + 32) >= buf.len() {
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break;
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}
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}
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return Ok(written);
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} else {
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