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[devel]Made all API functions that have const arguments and constant string

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literal pointers declare them (John Bowler).
Many APIs did not change their arguments but were not declared using
PNG_CONST.  This change corrects this.  In a few cases APIs that return
constant string literal pointers have also been changed to declare this.
Unlike the argument change this may require app changes; however the
results could never be written to (the app would crash on some platforms
where strings are not writable), so this seems advisable.
This commit is contained in:
Glenn Randers-Pehrson
2010-08-18 07:25:46 -05:00
parent 21b4b339d9
commit e600c51355
17 changed files with 406 additions and 355 deletions
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pngwtran.c
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@@ -236,7 +236,8 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
* data to 0 to 15.
*/
void /* PRIVATE */
png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
png_do_shift(png_row_infop row_info, png_bytep row,
png_const_color_8p bit_depth)
{
png_debug(1, "in png_do_shift");