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[libpng16] Removed need for -Wno-cast-align with clang. clang correctly warns

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on alignment increasing pointer casts when -Wcast-align is passed. This
fixes the cases clang warns about either (pngread.c) by eliminating the
casts from png_bytep to png_uint_16p or, for pngrutil.c where the cast
is previously verified or pngstest.c where it is OK by introducing new
png_aligncast macros to do the cast in a way that clang accepts.
This commit is contained in:
John Bowler
2012-04-30 06:31:54 -05:00
committed by Glenn Randers-Pehrson
parent 040575c80b
commit b45416921b
8 changed files with 80 additions and 44 deletions
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10
png.h
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@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.6.0beta22 - April 28, 2012
* libpng version 1.6.0beta22 - April 30, 2012
* Copyright (c) 1998-2012 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -11,7 +11,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.0beta22 - April 28, 2012: Glenn
* libpng versions 0.97, January 1998, through 1.6.0beta22 - April 30, 2012: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -198,7 +198,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.6.0beta22, April 28, 2012, are
* libpng versions 1.2.6, August 15, 2004, through 1.6.0beta22, April 30, 2012, are
* Copyright (c) 2004, 2006-2012 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
@@ -310,7 +310,7 @@
* Y2K compliance in libpng:
* =========================
*
* April 28, 2012
* April 30, 2012
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@@ -376,7 +376,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.0beta22"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.6.0beta22 - April 28, 2012\n"
" libpng version 1.6.0beta22 - April 30, 2012\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16