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Fix small TODO; checked_add #87

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Fix small TODO; checked_add #87

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9 changes: 7 additions & 2 deletions src/unzip/cloneable_seekable_reader.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -50,8 +50,13 @@ impl<R: Read + Seek> Inner<R> {
}
let read_result = self.r.read(buf);
if let Ok(bytes_read) = read_result {
// TODO, once stabilised, use checked_add_signed
self.pos += bytes_read as u64;
self.pos = self
.pos
.checked_add(bytes_read as u64)
.ok_or(std::io::Error::new(
std::io::ErrorKind::InvalidInput,
"Read too far forward",
))?;
}
read_result
}
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