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I've got a 4.66Gb zip64 file created with SharpZipLib, and I get a ZipException "Wrong local header signature @FFFFFFFF" when trying to extract it. WinRAR said the file tests OK, so I dug into the SharpZipLib source and found that ZipEntry.Offset is 0xFFFFFFFF (as are Size and CompressedSize). WriteCentralDirectoryHeader...
Posted to
Forum
by
Mark Lambert
on
05-15-2007
Filed under: #ZipLib, ZipException, Zip64
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I'm trying to convert my app from using 0.84 to use 0.85 with Zip64 support so that I can work with large files, but I've run into another problem in addition to the ExtraData problem . I'm using a ZipOutputStream to write my zip file and when adding only small files everything works as expected -- I...
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Hi, How can I add directories? Running the following code results in an exception: string root = <root_dir>; ZipFile zipFile = ZipFile.Create(filename); zipFile.BeginUpdate(); string[] files = Directory.GetFiles(root); foreach (string file in files) { FileAttributes attr = File.GetAttributes(file...
Posted to
Forum
by
puce
on
12-21-2006
Filed under: Using #ZipLib, #ZipLib, ZipException, Zip64, zip ziplib subfolder, sharpZipLib
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Hey all, I noticed that Zip64 support has been added in v0.85. Do I need to do anything special? I wrote a quick-fast test and was able to zip a file around 12gb, but I wasn't sure if the limitation was in the size of the file being zipped or the resulting zip file. Thanks again! Dave
Posted to
Forum
by
dasfx
on
11-24-2006
Filed under: Zip64
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Hy, I a need to backup a bunch of files and the total amount is over 4 GB. I think I need to use Zip64 but I do not how... I tryed to use ICSharp ZLib library and write the data in chunk but it does not work because I vahe to change the entry.crc and when I call PuNextEntry of ZipOutput the stream finish...
Posted to
Forum
by
Rikace74
on
01-15-2008
Filed under: Using #ZipLib, #ZipLib feature request, #ZipLib, Zip64, sharpZipLib, Zip, corrupt 4gb winzip, ExtraData, zip ICSharpCode.SharpZipLib SharpZipLib, folders, problems, ZipFile, extract, entry, zlib
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I'm trying to compress file using ZIp format. Though UseZip64 is set to Dynamic a simple text file that contains one line is compressed to Zip64 archive. I assume that it should choose to use zip64 or not based on file size or number of files in archive. Is my assumption correct?
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I use next code to create zip archive: using (FileStream inputStream = File.OpenRead(sourceFileName)) { using (ZipOutputStream outputStream = new ZipOutputStream(File.Create(zipFileName))) { outputStream.UseZip64 = UseZip64.Dynamic; outputStream.SetLevel(compressionLevel); ZipEntry entry = new ZipEntry...
Posted to
Forum
by
Serial
on
02-25-2008
Filed under: Zip64, adding files, error, add files
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Hi, I am using SharpZipLib to zip to an output stream that happens to be unseekable. Which then forces Zip64 on me. The problem, however is that when reading the resulting file using the ZipInputStream class (not the ZipFile class) the getNextEntry() method has no way of determining that Zip64 was used...
Posted to
Forum
by
LightningStorm
on
06-02-2008
Filed under: Zip64, Wrong Local header signature
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Hi, I am getting above error while trying to unzip the files using SharpZipLib dll. it works for some zipfiles and for some zipfiles its throwing the above error. i am using the latest dll version 0.85.4.369, still getting the above error. using ( ZipInputStream s = new ZipInputStream ( File .OpenRead...
Posted to
Forum
by
Devaraja
on
08-07-2008
Filed under: Using #ZipLib, File extraction, #ZipLib feature request, ZipInputStream, #ZipLib, Zip64, Zip files for download, Zip, Zip password protection, zip ICSharpCode.SharpZipLib SharpZipLib, FastZip, ICSharpZip, ZipEntry, How i can test true password zip file ?, PDF spec 1.7 /FLATEDECODE SharpZipLib, #ZipLib gzip, ZipInputStream Read
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John, Yes, the files are valid zip files, i can able to extract from windows manually but not thro code, while doing am getting above error. I downloaded the source and set VERSION_MADE_BY to 16660; in ZipConstants.cs class and added (Version == 16660) in version ckecking in ZIpEntry class. Its working...
Posted to
Forum
by
Devaraja
on
08-11-2008
Filed under: Using #ZipLib, File extraction, ZipInputStream, #ZipLib, ZipException, Zip64, sharpZipLib, Zip, sharpziplib list files getnextentry cf, Store file inside directory in ZIP file, zip ICSharpCode.SharpZipLib SharpZipLib, zlib dwf extraction, FastZip, ICSharpZip, ZipFile, extract, ZipEntry, zlib, ziped file, How i can test true password zip file ?, SharpZipLib stream gzip httpresponse, zip read only zipentry, #ZipLib gzip, ZipInputStream Read
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