I need to zip / unzip some files and I'm testing hbzlib but I have found
a problem under BCC / WinXP (not tested yet in other environments).
If I compress simple files it creates a valid zip file, but if I
compress even one only exe file (about 600kb of size) the zip is
corrupted.
Tested either with my prgs than with myzip.prg in
harbour/contrib/hbzlib/tests. (running: myzip test.zip myfile.exe )
Anyone experiences this ?
Hi,
I haven't noticed it before, but I can reproduce the problem now. File
zipped with myzip.exe and unzipped with myunzip.exe becomes corrupted
(shorter, in my case 606208 bytes instead of original 623616). The
problem is with zip, but not unzip (3rd party software gives error,
trying to unzip files made by myzip.exe).
I've traced main loop of hb_zipStoreFile():
while ( ( ulLen = hb_fsReadLarge( hFile, pString, 1024 * 16 ) ) > 0 )
{
zipWriteInFileInZip( hZip, pString, ulLen );
}
zipCloseFileInZip( hZip );
I found no problem, i.e., all file is buffered into zip, and
zipWriteInFileInZip() and zipCloseFileInZip() return no error.
Looks like bug in minizip code. I'll try to find a problem in spare time.
Best regards,
Mindaugas
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