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[libpng16] Add 'const' to png_structrp arguments of png_set_*() APIs.

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Because these APIs store to the png_info they can take a
 png_const_structrp now that the error routines also accept
 one of these.
This commit is contained in:
John Bowler
2011-12-28 08:43:37 -06:00
committed by Glenn Randers-Pehrson
parent f87ef8bcb5
commit 4f67e40898
7 changed files with 140 additions and 138 deletions
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12
png.c
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@@ -762,13 +762,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.6.0beta04 - December 24, 2011" PNG_STRING_NEWLINE \
"libpng version 1.6.0beta04 - December 28, 2011" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2011 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.6.0beta04 - December 24, 2011\
return "libpng version 1.6.0beta04 - December 28, 2011\
Copyright (c) 1998-2011 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@@ -884,7 +884,7 @@ png_access_version_number(void)
# ifdef PNG_CHECK_cHRM_SUPPORTED
int /* PRIVATE */
png_check_cHRM_fixed(png_structrp png_ptr,
png_check_cHRM_fixed(png_const_structrp png_ptr,
png_fixed_point white_x, png_fixed_point white_y, png_fixed_point red_x,
png_fixed_point red_y, png_fixed_point green_x, png_fixed_point green_y,
png_fixed_point blue_x, png_fixed_point blue_y)
@@ -1608,7 +1608,7 @@ png_pow10(int power)
* precision.
*/
void /* PRIVATE */
png_ascii_from_fp(png_structrp png_ptr, png_charp ascii, png_size_t size,
png_ascii_from_fp(png_const_structrp png_ptr, png_charp ascii, png_size_t size,
double fp, unsigned int precision)
{
/* We use standard functions from math.h, but not printf because
@@ -1922,8 +1922,8 @@ png_ascii_from_fp(png_structrp png_ptr, png_charp ascii, png_size_t size,
/* Function to format a fixed point value in ASCII.
*/
void /* PRIVATE */
png_ascii_from_fixed(png_structrp png_ptr, png_charp ascii, png_size_t size,
png_fixed_point fp)
png_ascii_from_fixed(png_const_structrp png_ptr, png_charp ascii,
png_size_t size, png_fixed_point fp)
{
/* Require space for 10 decimal digits, a decimal point, a minus sign and a
* trailing \0, 13 characters: