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chore: Fix: may still get an incorrect size if opening an invalid file for append

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Chris Hennick 2024-06-08 15:22:31 -07:00
parent 73396be9f9
commit cf19487a55
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GPG key ID: DA47AABA4961C509
1 changed files with 6 additions and 3 deletions
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9
src/write.rs
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@ -592,10 +592,13 @@ impl<A: Read + Write + Seek> ZipWriter<A> {
self.finish_file()?; self.finish_file()?;
let write_position = self.inner.get_plain().stream_position()?; let write_position = self.inner.get_plain().stream_position()?;
let src_index = self.index_by_name(src_name)?; let src_index = self.index_by_name(src_name)?;
let src_data = &self.files[src_index]; let src_data = &mut self.files[src_index];
let data_start = *src_data.data_start.get().unwrap_or(&0); let data_start = *src_data.data_start.get().unwrap_or(&0);
let compressed_size = src_data.compressed_size; let mut compressed_size = src_data.compressed_size;
debug_assert!(compressed_size <= write_position - data_start); if compressed_size > write_position - data_start {
compressed_size = write_position - data_start;
src_data.compressed_size = compressed_size;
}
let uncompressed_size = src_data.uncompressed_size; let uncompressed_size = src_data.uncompressed_size;
let raw_values = ZipRawValues { let raw_values = ZipRawValues {