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From: "Jeff C," <nolongersafeto@userealemailsniff.com>
Newsgroups: comp.lang.ada
References: <b6Ddb.1863$QH3.333@newsfep4-winn.server.ntli.net>
Subject: Re: setjmp/longjmp?
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"chris" <spamoff.danx@ntlworld.com> wrote in message
news:b6Ddb.1863$QH3.333@newsfep4-winn.server.ntli.net...
> Hi,
>
> I started a binding to libpng so I can load some images into OpenGL, but
> the library uses setjmp and longjmp for error handling.  This is very
> new to me but from what I understand it's some form of library "goto"
> which allows code to jump to predefined points on given events.  When
> dealing with such things is it best to wrap around the code with C and
> catch all these longjmps with setjmps, returning error flags if
> something fails?


A binding to libpng would be nice so don't let me stop you but have you
looked
into whether http://privatewww.essex.ac.uk/~sjs/png_io/png_io.html will work
for you.