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[devel] Trying a different PNG_UNUSED macro.

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This commit is contained in:
Glenn Randers-Pehrson 2011-01-27 09:37:34 -06:00
parent 0012e9cd54
commit 2774238722
5 changed files with 29 additions and 17 deletions
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21
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.5.1beta10 - January 27, 2011
Libpng 1.5.1beta11 - January 27, 2011
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@ -9,20 +9,20 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.5.1beta10.tar.xz (LZMA-compressed, recommended)
1.5.1beta10.tar.gz
1.5.1beta10.tar.bz2
1.5.1beta11.tar.xz (LZMA-compressed, recommended)
1.5.1beta11.tar.gz
1.5.1beta11.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp151b10.7z (LZMA-compressed, recommended)
lp151b10.zip
lp151b11.7z (LZMA-compressed, recommended)
lp151b11.zip
Other information:
1.5.1beta10-README.txt
1.5.1beta10-LICENSE.txt
1.5.1beta11-README.txt
1.5.1beta11-LICENSE.txt
Changes since the last public release (1.5.0):
@ -96,7 +96,7 @@ Version 1.5.1beta09 [January 24, 2011]
documentation did not accurately describe what libpng really does when
converting RGB to gray.
Version 1.5.1beta10 [January 27, 2011]
Version 1.5.1beta10 [January 27, 2010]
Fixed incorrect examples of callback prototypes in the manual, that were
introduced in libpng-1.0.0.
In addition the order of the png_get_uint macros with respect to the
@ -108,6 +108,9 @@ Version 1.5.1beta10 [January 27, 2011]
Made the manual, synopses, and function prototypes use the function
argument names file_gamma, int_file_gamma, and srgb_intent consistently.
Version 1.5.1beta11 [January 27, 2011]
Changed PNG_UNUSED from "param=param;" to "(void)(param ? 0 : 0));" (Cosmin)
Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement

5
CHANGES
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@ -3212,7 +3212,7 @@ Version 1.5.1beta09 [January 24, 2011]
documentation did not accurately describe what libpng really does when
converting RGB to gray.
Version 1.5.1beta10 [January 27, 2011]
Version 1.5.1beta10 [January 27, 2010]
Fixed incorrect examples of callback prototypes in the manual, that were
introduced in libpng-1.0.0.
In addition the order of the png_get_uint macros with respect to the
@ -3224,6 +3224,9 @@ Version 1.5.1beta10 [January 27, 2011]
Made the manual, synopses, and function prototypes use the function
argument names file_gamma, int_file_gamma, and srgb_intent consistently.
Version 1.5.1beta11 [January 27, 2011]
Changed PNG_UNUSED from "param=param;" to "(void)(param ? 0 : 0));" (Cosmin)
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement

4
libpng-manual.txt
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@ -849,7 +849,7 @@ pointer into the info_ptr is returned for any complex types.
num_palette - number of entries in the palette
png_get_gAMA(png_ptr, info_ptr, &file_gamma);
png_set_gAMA_fixed(png_ptr, info_ptr, int_file_gamma);
png_get_gAMA_fixed(png_ptr, info_ptr, &int_file_gamma);
file_gamma - the gamma at which the file is
written (PNG_INFO_gAMA)
@ -859,7 +859,7 @@ pointer into the info_ptr is returned for any complex types.
png_get_sRGB(png_ptr, info_ptr, &srgb_intent);
srgb_intent - the rendering intent (PNG_INFO_sRGB)
file_srgb_intent - the rendering intent (PNG_INFO_sRGB)
The presence of the sRGB chunk
means that the pixel data is in the
sRGB color space. This chunk also

8
libpng.3
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@ -1768,7 +1768,7 @@ pointer into the info_ptr is returned for any complex types.
num_palette - number of entries in the palette
png_get_gAMA(png_ptr, info_ptr, &file_gamma);
png_set_gAMA_fixed(png_ptr, info_ptr, int_file_gamma);
png_get_gAMA_fixed(png_ptr, info_ptr, &int_file_gamma);
file_gamma - the gamma at which the file is
written (PNG_INFO_gAMA)
@ -1778,7 +1778,7 @@ pointer into the info_ptr is returned for any complex types.
png_get_sRGB(png_ptr, info_ptr, &srgb_intent);
srgb_intent - the rendering intent (PNG_INFO_sRGB)
file_srgb_intent - the rendering intent (PNG_INFO_sRGB)
The presence of the sRGB chunk
means that the pixel data is in the
sRGB color space. This chunk also
@ -5099,7 +5099,7 @@ the first widely used release:
1.0.6h 10007 10.6h
1.0.6i 10007 10.6i
1.0.6j 10007 2.1.0.6j
1.0.7beta11-14 DLLNUM 10007 2.1.0.7beta11-14
1.0.7beta10-14 DLLNUM 10007 2.1.0.7beta10-14
1.0.7beta15-18 1 10007 2.1.0.7beta15-18
1.0.7rc1-2 1 10007 2.1.0.7rc1-2
1.0.7 1 10007 2.1.0.7
@ -5188,7 +5188,7 @@ the first widely used release:
1.5.0beta01-58 15 10500 15.so.15.0[.0]
1.5.0rc01-07 15 10500 15.so.15.0[.0]
1.5.0 15 10500 15.so.15.0[.0]
1.5.1beta01-10 15 10501 15.so.15.1[.0]
1.5.1rc01 15 10501 15.so.15.1[.0]
Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be

8
pngpriv.h
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@ -89,7 +89,13 @@ typedef PNG_CONST png_uint_16p FAR * png_const_uint_16pp;
* the terminating semicolon.
*/
#ifndef PNG_UNUSED
# define PNG_UNUSED(param) param = param;
/* Different possiblities being discussed on png-mng-implement, Jan 2011 */
/* # define PNG_UNUSED(param) param = param; */
/* # define PNG_UNUSED(param) if(param); */
/* # define PNG_UNUSED(param) if(param){} */
/* # define PNG_UNUSED(param) {if(param){}} */
/* # define PNG_UNUSED(param) {(void)param;} */
# define PNG_UNUSED(param) ((void)(param ? 0 : 0));
#endif
/* Just a little check that someone hasn't tried to define something