DevComp/zip-rs-wasm
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Fix writing to buffers.

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Using SeekFrom::End(0) in finish_file for a buffer was movind the position
the the end of the buffer, not the last written byte.
This commit is contained in:
Mihai STAN 2017-03-06 06:22:42 +02:00
parent 1831edbbdd
commit 7d85d8fb66
1 changed files with 5 additions and 3 deletions
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8
src/write.rs
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@ -53,7 +53,7 @@ enum GenericZipWriter<W: Write + io::Seek>
/// Ok(())
/// }
///
/// println!("Result: {:?}", doit());
/// println!("Result: {:?}", doit().unwrap());
/// ```
pub struct ZipWriter<W: Write + io::Seek>
{
@ -226,10 +226,12 @@ impl<W: Write+io::Seek> ZipWriter<W>
};
file.crc32 = self.stats.crc32;
file.uncompressed_size = self.stats.bytes_written;
file.compressed_size = try!(writer.seek(io::SeekFrom::Current(0))) - self.stats.start;
let file_end = try!(writer.seek(io::SeekFrom::Current(0)));
file.compressed_size = file_end - self.stats.start;
try!(update_local_file_header(writer, file));
try!(writer.seek(io::SeekFrom::End(0)));
try!(writer.seek(io::SeekFrom::Start(file_end)));
Ok(())
}