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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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4
pngpread.c
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@@ -1741,8 +1741,8 @@ png_push_have_row(png_structp png_ptr, png_bytep row)
}
void PNGAPI
png_progressive_combine_row (png_structp png_ptr,
png_bytep old_row, png_bytep new_row)
png_progressive_combine_row (png_structp png_ptr, png_bytep old_row,
png_const_bytep new_row)
{
PNG_CONST int FARDATA png_pass_dsp_mask[7] =
{0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff};