Re: [png-mng-implement] png_read_info problem with XP

[Roadkill <roa...@gr...>]

Glenn Randers-Pehrson wrote:

>At 11:50 PM 7/19/2005 -0700, Jenny Pan wrote:
>  
>
>>The function png_read_info() fail on runtime with the
>>"access violation" error message. It was compiled with
>>MSVC++ 6.0, MSoftXP, libpng 1.2.8. zlib 1.0.4.
>>Any idea how to fix this problem? 
>>    
>>
>Make sure you are not actually running with an older libpng.so
>
>  
>

You might be having a problem with png's jmpbuf method of error 
recovery. The suggested method of setjmp(png_jmpbuf(png_ptr)) doesn't 
work in C++ (I'm sure it doesn't work in windows). This is because C++ 
uses a different calling convention than C. Use a try-catch around all 
of your read code instead.

Tyler


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