Compression Method Stored leads to corrupt archive #492
Description
Steps to reproduce
With the current library from Nuget (1.2), I get a corrupt archive, if I use this code:
If I dont have CompressionMethod.Stored, then the archive works, but the uncompressed files are always few bytes bigger than the original files. I need the files to be exactly the same (original size = size of file in ZIP archive).
I have fixed this whole thing for myself before (see my older issue), but in 1.2, this still seems to be flawed.
Best
Martin
public ZipWriter(string filename)
{
_sziFilename = filename;
FileStream fsOut = File.Create(_sziFilename);
_zipStream = new ZipOutputStream(fsOut);
_zipStream.SetLevel(0); //0-9, 9 being the highest level of compression
}
public void AddFileToZip(string filenameInZip, MemoryStream memTile)
{
memTile.Position = 0;
DateTime creationTimeUtc = DateTime.Now;
string entryName = filenameInZip;
entryName = ZipEntry.CleanName(entryName); // Removes drive from name and fixes slash direction
var newEntry = new ZipEntry(entryName)
{
DateTime = creationTimeUtc,
CompressionMethod = CompressionMethod.Stored,
Size = memTile.Length,
};
_zipStream.PutNextEntry(newEntry);
// Zip the file in buffered chunks
// the "using" will close the stream even if an exception occurs
byte[] buffer = new byte[4096];
StreamUtils.Copy(memTile, _zipStream, buffer);
_zipStream.CloseEntry();Expected behavior
ZIP archive should be OK
Actual behavior
ZIP archive corrupt
Version of SharpZipLib
1.2.0
Obtained from (only keep the relevant lines)
- Package installed using NuGet