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1686 Commits

Author SHA1 Message Date
David Corbett b2e7bb2a7c Don’t map BCP 47 to coincidentally similar OT tag 2020-11-22 19:35:47 -08:00
David Corbett 17da41bd06 Update language system tag registry to OT 1.8.4 2020-11-18 11:13:35 -08:00
Khaled Hosny c2cdcd4901 [tests] warning: unused variable 'num_glyphs' 2020-10-17 21:57:27 +02:00
David Corbett 0792690b73 [use] Skip WJ and ZWJ when clustering 2020-10-16 22:39:46 -07:00
Khaled Hosny 84dd65a874 [test] Remove timeout from test runners 
See https://github.com/harfbuzz/harfbuzz/issues/2707#issuecomment-707744079

This wasn’t inconsistent as well, HB_TEST_SUBSET_FUZZER_TIMEOUT defaulted
to 12 in the test runner, but it was overridden to 50 in meson.build,
and then meson has its own test timeout.
 2020-10-15 00:49:02 -07:00
Khaled Hosny fa771a7f85 [tests] Fix memory leak in test 
To make valgrind bot happy.
 2020-10-11 13:15:39 -07:00
David Corbett 1d53268dfe Fix two-way mapping of "man" and 'MNK ' 2020-10-11 11:38:40 -07:00
Behdad Esfahbod 540d2cdddb [tests/buffer] Revert unintended whitespace changes 
From 9e5538d6a3

Tried squashing into, but too much merge conflict.
 2020-10-09 22:27:55 -06:00
Behdad Esfahbod 04658ec48f [tests/buffer] Update tests for previous commit 2020-10-09 22:27:55 -06:00
Simon Cozens 7c0bc0bb92 Serialize invalid buffer to !! (text) or [] (json) 
There is no generic deserialize - you have to choose glyphs or unicode - so there is no way to deserialize this buffer.
 2020-10-09 22:27:55 -06:00
Simon Cozens 150f391438 Prohibit mixed glyphs/unicode buffers in deserialization 2020-10-09 22:27:55 -06:00
Simon Cozens 3d3c87e7e7 Put the flags back in and serialize clusters. 
Note that now JSON glyph buffers and Unicode buffers look very similar, except for the g/u property difference.
 2020-10-09 22:27:55 -06:00
Simon Cozens 432a05b2af (Simple) tests for Unicode serialization/deserialization 2020-10-09 22:27:55 -06:00
ebraminio 1f8b1e7f18
[ENOMEM] Return gracefully if stages isn't initialized correctly (#2639) 
This happens if calls to 'm.lookups[table_index].push ()' has been
silently failed due to lack of memory.

This change just returns gracefully instead issuing the assert.

Fixes https://crbug.com/oss-fuzz/24494
 2020-09-21 11:39:38 +03:30
Garret Rieger bbbcad0dbb Revert "[ENOMEM] don't perform set process operations if the other set is in an error state." 
This reverts commit f3929abafe.
 2020-09-16 12:23:38 -06:00
Garret Rieger f3929abafe [ENOMEM] don't perform set process operations if the other set is in an error state. 
Running a process while the other set is in an error state can potentially corrupt this sets map map (for example by overwritting all of the major values with 0).
 2020-09-16 10:36:30 -07:00
Simon Cozens 584d3a43b2
Merge pull request #2681 from khaledhosny/myanmar-liga 
[myanmar] Don’t disable liga feature
 2020-09-16 15:08:50 +01:00
Khaled Hosny 7d64b09765 [myanmar] Don’t disable liga feature 
This seems to have been carried over from the Indic shaper, but
Uniscribe enables it by default.

See https://github.com/harfbuzz/harfbuzz/issues/2213#issuecomment-686062915
 2020-09-12 21:45:19 +02:00
Garret Rieger 8c3d4de796 [subset] Fix integer underflow in ContextFormat2. 2020-09-11 15:52:46 -07:00
David Corbett 91fe20f0f5 Disambiguate OT tags when primary tag is not first 2020-09-08 09:20:00 -04:00
David Corbett e3db84a9d0 [use] Test CGJ and ZWNJ 2020-09-02 15:51:15 -07:00
Garret Rieger 9825e3dd2e [ENOMEM] fix access to unitialized memory. 
If the serialize() call fails to write the object then we can't safely read varstore_prime fields. Fixes https://oss-fuzz.com/testcase-detail/5137462782066688.
 2020-09-02 11:01:07 -07:00
David Corbett 420a74f772 [USE] Fix assertion failure for joining scripts 2020-08-28 14:11:48 -04:00
ebraminio 1e48225ca3
[ENOMEM] Check whether serialize context isn't in error 2020-08-13 23:22:14 +04:30
Ebrahim Byagowi 6e32145dc9 [meson] Make compatbile with 0.47.0 2020-08-13 18:28:42 +04:30
Garret Rieger 9562239f05 [ENOMEM] check for error in lookup visited set. 2020-08-13 01:43:11 +04:30
Garret Rieger 6f754852c1 [ENOMEM] skip asserts in to_bias if serializer is in an error state. 2020-08-12 11:25:30 +04:30
Ebrahim Byagowi 057769b1a3 [fuzzer] minor 2020-08-12 02:40:55 +04:30
Ebrahim Byagowi 0417938011 [fuzzer] Mark alloc_state as unused 
It is really unused when failing-alloc isn't on.
 2020-08-12 02:40:55 +04:30
Ebrahim Byagowi 5193357832 Revert "Remove autotools build support" 
This reverts commit 01ac32aab2.
 2020-08-11 23:51:59 +04:30
Ebrahim Byagowi ffe06c8f04 [glyf] Guard all the public APIs against null pool runs 
Fixes https://crbug.com/oss-fuzz/24575 and https://crbug.com/oss-fuzz/24737
 2020-08-08 13:43:49 +04:30
Ebrahim Byagowi 01ac32aab2 Remove autotools build support 2020-08-07 23:28:12 +04:30
Ebrahim Byagowi 679fac87df Skip hb_shape if buffer object is immutable 2020-08-06 23:47:35 +04:30
Ebrahim Byagowi ec17b62457
[var] Apply variations on empty glyphs 
It was ignoring empty glyphs for no good reason, this fixes it.

Fixes #2618
 2020-08-06 20:16:11 +04:30
Garret Rieger 18ab8029d5 [ENOMEM] check vector status in cmap subsetting. 2020-08-02 00:30:17 +04:30
Garret Rieger 06dbb6acbb [ENOMEM] in GSUB ChainContext subsetting check maps for allocation errors. 2020-08-01 09:21:22 +04:30
Garret Rieger fb1477795c [ENOMEM] Check result of vector resize in CBDT subsetting. 2020-08-01 09:20:52 +04:30
Ebrahim Byagowi efd716de3f [cff] Check for scalars array resize result 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24504
 2020-07-31 09:27:27 +04:30
Garret Rieger 040ed094ef [ENOMEM] popragate packed/packed_map errors to the serializer. 
Will disable further modifications based on a bad state.
 2020-07-31 08:39:26 +04:30
Garret Rieger 7f358a55f4 [ENOMEM] unchecked resize in CFF2. 2020-07-31 02:04:06 +04:30
Garret Rieger 32f052b033 [ENOMEM] Fix several instances of not checking resize in CFF. 2020-07-31 02:04:06 +04:30
Garret Rieger 15644ee60e [ENOMEM] fix memory leak if allocation fails during pop_pack(). 2020-07-30 04:15:35 +04:30
Garret Rieger 42237adffc [ENOMEM] make serializer modification operations no-ops if it's in an error state. 2020-07-30 03:59:49 +04:30
Garret Rieger 4ba8e3c6fd [ENOMEM] Fix failure to check calloc return. 
Fixes https://oss-fuzz.com/testcase-detail/6246465148813312.
 2020-07-30 00:08:08 +04:30
Garret Rieger d307c24abf [ENOMEM] check resize() return. 
Fixes https://oss-fuzz.com/testcase-detail/5641892164009984.
 2020-07-30 00:08:08 +04:30
Ebrahim Byagowi 48ad745996 [ENOMEM] Fix buffer's content check logic 
So now rest of shape fuzzer also can be enabled.

Fixes #2571
 2020-07-29 08:09:10 +04:30
Ebrahim Byagowi c33e8006fd [fuzz] Implement failing allocator 2020-07-29 07:35:34 +04:30
Ebrahim Byagowi d38d63319b
[tests] minor 2020-07-27 09:19:29 +04:30
Ebrahim Byagowi 322426f8c8 [tests] Use TTFont of fonttools to avoid temp files 2020-07-27 09:12:43 +04:30
Hamidreza Bayat 08fef15818 Use fonttools's python package instead of cli 2020-07-27 09:09:06 +04:30