PNG_UNUSED(png_ptr)

Max Stepin <[email protected]> Wed, 5 Dec 2018 10:05:48 +0300

Newsgroups	gmane.comp.graphics.png.devel
Message-ID	<CA+C1nqhJQZ3VtmuG6iZ3WoX-=dkuK5trR-5LH=bDSSGvVrnWxQ@mail.gmail.com>

Shouldn't we use this macro in png_do_expand_palette() so the Microsoft
compiler will not complain about png_ptr?

Maybe in a similar way to how it's used in translate_gamma_flags():

#     ifdef PNG_READ_sRGB_SUPPORTED
         png_ptr->flags |= PNG_FLAG_ASSUME_sRGB;
#     else
         PNG_UNUSED(png_ptr)
#     endif

Thanks.

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