Imager release history. Older releases can be found in Changes.old
-Coverity finally finished a build, fix a few problems:
+General changes:
+
+ - to_paletted() and make_palette() now fail (with an error in
+ errstr()) if invalid quantization parameters are supplied.
+
+Coverity finally finished a build[1], fix a few problems:
+
+High severity:
- reading a color-mapped TGA file with an id string would cause a
- double-free if the palette was truncated.
+ double-free if the palette was truncated. CID 185317.
- mixing scaling to sizes where the accumulator row, the working
output row or the working input row didn't fit into the address
space could result in memory leaks. This can probably only be
- reproduced on very wide floating-point sample images.
+ reproduced on very wide floating-point sample images. CID 185318.
+
+ - convert an array style function parameter pointer to pointer style
+ to prevent confusing Coverity in the T1 bounding box implementation.
+ CID 185343.
+
+ - Similarly in the FT1 bounding box implementation. CID 185338.
+
+ - Similarly for the i_tt_rasterize() function in the FT1
+ implementation. CID 185303.
+
+ - initialize a pointer to prevent Coverity complaining in polygon
+ drawing (it should always end up being set.) CID 185341.
+
+ - addi style makemap could potentially read one past the end of an
+ array. CID 185337.
+
+ - supplying a numeric hatch of 32 to Imager::Fill->new(hatch => ...)
+ would result in read beyond the end of the built-in hatch array.
+ Negative values (which Coverity didn't complain about) could also
+ cause problems. CID 185331.
+
+ - the Imager::Color set_internal() interal method no longer
+ calls the over-complicated ICL_set_internal() (which is retained
+ only for the old API.) Coverity complained that this leaked, but
+ this could only occur with an invalid (NULL pointer) color object.
+ CID 185323.
+
+ - the underlying implementation of the map() method could read before
+ the beginning on an allocated array if supplied with inconsistent
+ parameters, which Coverity complained about. No Imager code calls
+ that function with inconsistent parameters, but a
+ belt-and-suspenders check was added. CID 185315.
+
+ - Coverity complained a call to i_getcolors(), used by the
+ implementation of the is_bilevel() method could leave the fetched
+ colors uninitialized. Added a return value check. CID 185308.
+
+ - a numeric combining mode of 13 (eg. as a parameter to
+ Imager::Fill->new())could cause an invalid array read in
+ i_get_combine() due to a fencepost error in validating the combine
+ number. CID 185299.
+
+
+
+ - avoid an unneeded EXTEND() call when the FT1 has_chars()
+ implementation returns 0. CID 185350.
+
+ - avoid accessing a possibly NULL map from MakeMapObject() in a
+ logging call. (GIF) CID 185296.
+
+ - gradgen() allocated the wrong amount of space (always too much) for
+ the color array. CID 185291.
+
+ - avoid dead code in i_tt_glyph_names(). CID 185321.
+
+ - avoid dead code in i_get_anonymous_color_histo(), which is the
+ implementation of getcolorusage(). CID 185327.
+
+ - avoid dead code in i_ft2_glyph_name(), which is the implementation
+ of glyph_names() for FT2. CID 185342.
+
+ - avoid dead code in i_t1_glyph_names(), which is the implementation
+ of glyph_names() for T1. CID 185322.
+
+ - avoid an unneeded EXTEND() call when the FT2 has_chars()
+ implementation returns 0. CID 185292.
+
+ - the unpack code for ICO/CUR file handling could extend 32-bit
+ unsigned values to 64-bit signed. I believe this is harmless. CID
+ 185319.
+
+ - remove an unneeded check when terminating the stream for JPEG
+ writing. CID 185347.
+
+ - skip an unneeded check when freeing the combine temp buffer in the
+ fountain filter. CID 185286.
+
+ - check the combine function pointer consistently rather than the
+ combine code in one place in the fountain filter.
+
+ - error diffusion now validates a custom error diffusion map and reports
+ an error if it's bad. CID 185288.
+
+ - avoid discarding the value of i_io_getc() when scanning numbers in
+ pnm.c. CID 185293.
+
+[1] The first two build submissions ended up at the end of a ~400
+build queue, and seemed to have been cancelled by Coverity. A build
+submitted on NYE went through in minutes.
Imager 1.008 - 31 Dec 2018
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projects / imager.git / blobdiff