[Devel] Re: gsf-segv patch for freetype2 - author?

[Werner LEMBERG]

> This is my patch. I made it for freetype 2.0.4 and sent to one of
> freetype developers (because I couldn't find any better address to
> submit bug report to) on 24 Jul 2001.

I've never seen it. :-( Please send bug reports to address@hidden
Right now I've added credits for you to the ChangeLog file.

> :  But I think it isn't complete solution - it seems (I'm not familiar with
> :  freetype internals, I only looked at it for some time) that it decodes
> :  only binary "Subrs" data, but .gsf files have this data in ascii (hex)
> :  form:
> :
> :  /Subrs 16 array
> :   dup 0 15 -! 9eb4f5956e325def29f2e2c4a5782b |
> :   dup 1 9 -! 9b58f7fefae43d4905 |
> :   dup 2 9 -! 9b59c527a3bad8f3fe |
> :   dup 3 5 -! 1be893ec31 |
> :   dup 4 12 -! 9c2c1623b8217a5713324b49 |
> :   dup 5 5 -! 1be893ec31 |
> :   dup 6 5 -! 1be893ec31 |
> :   dup 7 11 -! 9b4d1017b69b4a9e32a569 |
> :   dup 8 13 -! 9b4ee62116de26a0c0a125072a |
> :   dup 9 15 -! 9b4fb5582e30dba2315db5d3cfc0d3 |
> :   dup 10 17 -! 9b481867e9516952ac6b599ca31a50245e |
> :   dup 11 8 -! 9b35c3ef24f87ee5 |
> :   dup 12 9 -! e9807d2fdc753fc523 |
> :   dup 13 9 -! 86ef851160cfedd119 |
> :   dup 14 9 -! e8832d3ffab747b7d7 |
> :   dup 15 9 -! 86ef8bfbd2484333c0 |
> :
> :  I am not sure that .gsf fonts are valid Type1 fonts ("gsf" means
> :  "ghostscript font"), but I think that if they aren't, freetype should
> :  only return some status indicating non valid font, but not exit with
> :  "Memory fault" and dumped core...

I think it is impossible to recognize GSF since there isn't a special
format or signature.


    Werner