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Bug fix

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This commit is contained in:
Chris Hennick 2024-04-14 08:47:35 -07:00
parent c4f91c2895
commit d23f036955
1 changed files with 9 additions and 7 deletions
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16
src/write.rs
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@ -801,13 +801,15 @@ impl<W: Write + Seek> ZipWriter<W> {
self.switch_to_non_encrypting_writer()?; self.switch_to_non_encrypting_writer()?;
// Make sure this is the last file, and that no shallow copies of it remain; otherwise we'd // Make sure this is the last file, and that no shallow copies of it remain; otherwise we'd
// overwrite a valid file and corrupt the archive // overwrite a valid file and corrupt the archive
let last_file_start = last_file.data_start.get().unwrap(); let rewind_safe: bool = match last_file.data_start.get() {
if self None => self.files.is_empty(),
.files Some(last_file_start) => self.files.iter().all(|file| {
.iter() file.data_start
.flat_map(|file| file.data_start.get()) .get()
.all(|start| start < last_file_start) .is_some_and(|start| start < last_file_start)
{ }),
};
if rewind_safe {
self.inner self.inner
.get_plain() .get_plain()
.seek(SeekFrom::Start(last_file.header_start))?; .seek(SeekFrom::Start(last_file.header_start))?;