[libpng16] Implemented 'restrict' for png_info and png_struct.

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Added new "png_structrp" typedef. Because of the
way libpng works both png_info and png_struct are always accessed via a
single pointer.  This means adding C99 'restrict' to the pointer gives
the compiler some opportunity to optimize the code.  This change allows that.

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This commit is contained in:

John Bowler

2011-12-24 09:12:00 -06:00

committed by Glenn Randers-Pehrson

parent d7c22fb7ec

commit 5d56786eff

21 changed files with 875 additions and 845 deletions

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png.h

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