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Article #1255

Pixel Magician and NS 3.0

#1255
From: bacchuseric Eric Bloom
Date: Fri, 02 Oct 1992 23:13
24 lines
1647 bytes
Recently, we noticed that under NeXTSTEP 3.0, Pixel Magician's fopen()/fclose()
functions do not use the same buffers as they  did under 2.x,  possibly because
certain system  calls in the shared  library now use more or  less streams than
they  did previously or perhaps  because  fopen()/fclose() have themselves been
changed.  Thus, under 3.0, some code that relied  upon these buffers being used
in a certain order no longer works.

This "bug"  heavily impacts the  reading of DCX files and  will  cause most DCX
files to image improperly under 3.0, if at all.  Clean  files  in other formats
should not be affected,  but marginal or  erroneous files may be affected since
some of the error handling routines depend on the behavior mentioned above.

This dependence on  knowledge of the  exact stream buffers  being used has been
removed (at the cost of a few hundredths of a second in speed).  The patch will
be present in version 1.22, which will be available in mid-October.

There is no known workaround.

We apologize for any inconvenience this may have caused.

Sincerely,
Charles C. Fu
System Administrator
Bacchus, Inc.
Technical Details
Message-ID: <1992Oct2.231346.2670@bacchus.com>
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From: bacchus!eric (Eric Bloom)
Subject: Pixel Magician and NS 3.0
Message-ID: <1992Oct2.231346.2670@bacchus.com>
Keywords: Pixel Magician Graphics Image Conversion 3.0
Sender: eric@bacchus.com
Reply-To: eric@bacchus.com
Organization: Bacchus, Inc.
Date: Fri, 2 Oct 1992 23:13:46 GMT
Lines: 24