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Imported from libpng-1.0.1c.tar

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This commit is contained in:
Glenn Randers-Pehrson
1998-05-09 10:02:29 -05:00
parent 1d96361273
commit d0dce40075
30 changed files with 373 additions and 200 deletions
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31
KNOWNBUG
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@@ -20,7 +20,8 @@ Known bugs and suggested enhancements in libpng-1.0.1
pngrtran.c: if-test for channels/FILLER may be incorrect
STATUS: Under investigation
STATUS: Under investigation. Appears to be working correctly
in libpng-1.0.1c.
4. March 15, 1998 -- BUG -- Kevin Bracey
@@ -52,11 +53,12 @@ Known bugs and suggested enhancements in libpng-1.0.1
png_uint_32 i;
for(i=0; i < s->a*s->b; i++)
with
png_uint_32 i, count;
png_uint_32 i, istop;
istop = s->a*s->b;
for(i=0; i<istop; i++)
STATUS: Mostly done in libpng-1.0.1a, done for all important loops.
More done in libpng-1.0.1b.
c. Replace abs() with intrinsic ternary operations in Paeth
filtering -- Glenn R-P
@@ -92,7 +94,7 @@ Known bugs and suggested enhancements in libpng-1.0.1
be made possible at run time, via calls to new png_set_malloc_fn()
and png_set_free_fn() functions.
STATUS: Will do in libpng-1.0.1b
STATUS: Under consideration
9. April 11, 1998 -- BUG -- incorrect truncation of tRNS data in
illegal PNG file where tRNS precedes PLTE -- Larry Reeve
@@ -131,3 +133,26 @@ Known bugs and suggested enhancements in libpng-1.0.1
that a warning be issued in such cases.
STATUS: Done in libpng-1.0.1b
14. May 2, 1998 -- BUG -- incorrect mask for filler bytes
In pngrtran.c, png_do_filler(), the masks for hi_filler and low_filler
should be 0xff instead of 0xf
STATUS: Fixed in libpng-1.0.1c
15. May 3, 1998 -- BUG -- buffer overflow in png_do_read_filler()
In pngrutil.c, max_pixel_depth needs to be set to 32 when using
png_do_read_filler with palette images.
STATUS: Fixed in libpng-1.0.1c (see also items 1 and 3 above).
16. May 3, 1998 -- BUG -- type definitions wrong on error functions -- Tom Lane
In png_create_xxx_struct(), the error functions should have typedef
png_voidp instead of (void *). Needs to be corrected in the functions,
the prototypes in png.h, the example.c file, and libpng.txt and libpng.3
STATUS: Fixed in libpng-1.0.1c