[arch-dev-public] wesnoth issue with png

[Daniel Isenmann]

-------- Original-Nachricht --------
> Datum: Fri, 22 Jan 2010 11:18:35 +0100
> Von: "Daniel Isenmann" <daniel.isenmann at gmx.de>
> An: Public mailing list for Arch Linux development <arch-dev-public at archlinux.org>
> Betreff: Re: [arch-dev-public] wesnoth issue with png

> 
> -------- Original-Nachricht --------
> > Datum: Fri, 22 Jan 2010 11:10:02 +0100
> > Von: Tobias Powalowski <t.powa at gmx.de>
> > An: Public mailing list for Arch Linux development
> <arch-dev-public at archlinux.org>
> > Betreff: [arch-dev-public] wesnoth issue with png
> 
> > Hi guys need some help on wesnoth,
> > tools/exploder_utils.cpp: In function 'void save_image(surface, const 
> > std::string&)':
> > tools/exploder_utils.cpp:177: error: 'png_voidp_NULL' was not declared
> in
> > this 
> > scope
> > tools/exploder_utils.cpp:178: error: 'png_error_ptr_NULL' was not
> declared
> > in 
> > this scope
> > make[2]: *** [tools/exploder_utils.o] Error 1
> > 
> > affected codepart:
> > 	png_struct* png_ptr = png_create_write_struct
> > 		(PNG_LIBPNG_VER_STRING, (png_voidp)png_voidp_NULL,
> > 		 png_error_ptr_NULL, png_error_ptr_NULL);
> > 
> > 
> > snip from changelog of 1.4 libpng
> >    b. We removed the typecasted NULL definitions such as
> > 
> >           #define png_voidp_NULL    (png_voidp)NULL
> > 
> >       If you used these in your application, just use NULL instead.
> > 
> > so what should i add?
> > 
> > thanks
> > greetings
> > tpowa
> 
> 
> Just what the changelog say, use NULL. So change the method to:
> 
> png_struct* png_ptr = png_create_write_struct
> 		(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
> 		 png_error_ptr_NULL, png_error_ptr_NULL);
> 
> Maybe you have to change "the png_error_ptr_NULL" to NULL also.
> 
> 
>  Daniel

Was there something mentioned about the "png_error_ptr_NULL" in the changelog? Because this is also affected. I have overseen the error message from the compiler for it.


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