From 105c416007eb6093812af0799fee7dec52199686 Mon Sep 17 00:00:00 2001 From: Glenn Randers-Pehrson Date: Sat, 20 Nov 2010 22:59:47 -0600 Subject: [PATCH] [devel] Added comment in pngrutil.c about some extra parentheses. --- pngrutil.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/pngrutil.c b/pngrutil.c index 18c230362..2cc0b10b8 100644 --- a/pngrutil.c +++ b/pngrutil.c @@ -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. */