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[devel] Added comment in pngrutil.c about some extra parentheses.

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Glenn Randers-Pehrson 2010-11-20 22:59:47 -06:00
parent a581556b17
commit 105c416007
1 changed files with 5 additions and 2 deletions
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7
pngrutil.c
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@ -58,8 +58,11 @@ png_get_fixed_point(png_structp png_ptr, png_const_bytep buf)
#ifdef PNG_READ_INT_FUNCTIONS_SUPPORTED
/* NOTE: the read macros will obscure these definitions, so that if
* PNG_USE_READ_MACROS is set the library will not use them internally,
* but the APIs will still be available externally. The parentheses
* around "PNGAPI function_name" are necessary because ...
* but the APIs will still be available externally.
*
* The parentheses around "PNGAPI function_name" in the following three
* functions are necessary because they allow the macros to co-exist with
* these (unused but exported) functions.
*/
/* Grab an unsigned 32-bit integer from a buffer in big-endian format. */