Qualitas BugSight™ 
Changes to Info-ZIP Source
Version 5.50

In order to update BugSight over the Internet, I used a helper program Unzip32.dll available from Info-ZIP. However, I needed to make one change to the program so as to distinguish between Disk Full and File In Use when the output file is being opened.

Consequently, I made the following changes to the source code:

unzip.h:

Added

#define PK_INUSE 52 /* file in use or read-only */

extract.c:

Changed lines 1419-1420 from

} else if (open_outfile(__G))
return PK_DISK;

to

} else switch (open_outfile(__G))
{
case 1:
return PK_DISK;
case 2:
return PK_INUSE;
}

fileio.c:

Changed line 346 from

return 1;

to

return 2;

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