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Fix wrong slice index when reading a file

This commit is contained in:
jerry73204 2020-05-29 19:18:06 +08:00
parent 6d2a43e336
commit d60e7cc27d

View file

@ -673,7 +673,7 @@ impl LockGuard<State> {
if available > 0 || self.cache.is_empty() {
// Copy data from the cache into the buffer.
let n = cmp::min(available, buf.len());
buf[..n].copy_from_slice(&self.cache[start..n]);
buf[..n].copy_from_slice(&self.cache[start..(start + n)]);
// Move the read cursor forward.
self.mode = Mode::Reading(start + n);