2bd911b8b4
[subset] handle cmap4 overflows.
...
If a cmap4 subtable overflows during serialization drop it and the corresponding EncodingRecord. Don't drop the corresponding cmap12 table if it would have otherwise been removed.
2021-09-02 14:43:17 -06:00
087e2705de
Fix signed-ness error in 0ded6a70c8
2021-07-28 11:42:48 -06:00
0ded6a70c8
[subset] Fix another fuzzer issue
...
Addition could overflow on 32bit arch.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36636
Fixes https://oss-fuzz.com/testcase-detail/5072358514753536
2021-07-28 11:35:27 -06:00
7b8464b655
[serialize] Check for overflow in allocate_size()
...
If size was > INT_MAX, then the out-of-room check was failing to perform
as intended.
Part of fixing https://oss-fuzz.com/testcase-detail/5362189182566400
2021-07-27 13:26:00 -06:00
2337f0d047
Internally use hb_malloc/.../hb_free instead of malloc/.../free
...
Redefining those stock names as macros was conflicting with gcc 10
headers.
Fixes https://github.com/harfbuzz/harfbuzz/issues/3044
2021-07-08 10:54:09 -07:00
bb48bf52a4
Rename misc uses of "free"
...
In preparation for fixing https://github.com/harfbuzz/harfbuzz/issues/3044
2021-07-08 10:54:09 -07:00
10ad185932
[subset] add comment to copy_bytes().
2021-06-16 17:35:39 -06:00
675ebbeb3a
[subset] don't alloc zero bytes.
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It will be leaked later since hb_blob_create() won't set up the blob to cleanup since it has length zero.
2021-06-16 17:35:39 -06:00
b23f29bf05
[subset] Add subset () method for COLRv1 Paint tables, BaseGlyphV1List and LayerV1List
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Also add support for Offset24 in serializer and repacker
2021-05-12 16:05:11 -06:00
9a3537e5f6
[subset] invert err() return value. Undo previous change to check_success.
2021-03-29 17:15:22 -06:00
cdba5d44c2
[subset] fix incorrect handling of return value in check_success in the error case.
2021-03-29 17:15:22 -06:00
46bf03d691
[subset] add NODISCARD to error checking methods on serializer.
2021-03-18 14:35:36 -07:00
3827a3eb56
[subset] rename serializer::set_error() to err().
2021-03-18 11:20:03 -07:00
b14475d2ae
[subset] further changes to serializer error handling.
...
- Rename enum type and enum members.
- in_errors() now returns true for any error having been set. hb-subset now looks for offset overflow only errors to divert to repacker.
- Added INT_OVERFLOW and ARRAY_OVERFLOW enum values.
2021-03-18 10:51:26 -07:00
73ed59f7a6
[subset] store errors in the serializer as a flag set.
...
Make check_assign/check_equal specify the type of error to set.
2021-03-17 15:58:34 -07:00
b9ecc7420d
[subset] init offset_overflow in hb_serialize_context_t.
2021-03-17 15:53:58 -07:00
832f2b599b
[subset] Refactor _subset () to reduce nesting and eliminate the use of 'goto'.
2021-03-17 15:53:58 -07:00
6b1ea4cbe7
[subset] hook up the repacker to run if offset overflows are encountered during subsetting.
2021-03-17 15:53:57 -07:00
1584d3cb8f
[subset] Start a proof of concept implementation of the GSUB/GPOS offset overflow resolver.
2021-03-17 15:53:57 -07:00
e5b7bc424d
m Add default value to BEInt<> Size template parameter
2021-02-20 15:14:15 -07:00
dfa9d7acdc
[minor] Use serializer->propagate_error() to simplify code
2021-02-11 11:19:51 -07:00
6f754852c1
[ENOMEM] skip asserts in to_bias if serializer is in an error state.
2020-08-12 11:25:30 +04:30
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
4cbc7d61bc
[ENOMEM] check for unset current in serializer->length().
2020-07-31 02:04:06 +04:30
15644ee60e
[ENOMEM] fix memory leak if allocation fails during pop_pack().
2020-07-30 04:15:35 +04:30
42237adffc
[ENOMEM] make serializer modification operations no-ops if it's in an error state.
2020-07-30 03:59:49 +04:30
2cc85281c2
[serializer] Make snapshot()/revert() revert current object links
...
Fixes https://github.com/harfbuzz/harfbuzz/issues/2325
2020-04-18 17:31:32 -07:00
65f4136303
minor; fixes #2292
2020-04-01 19:49:18 -07:00
188a0a47c2
removed default base; replaced w/ bias if required
2020-03-08 22:59:43 +03:30
4c3af7d406
add "add_link()" with bias arg
...
issue #2227
2020-03-08 18:48:56 +03:30
6120f50c8f
fix Head with link.bias
2020-02-21 10:17:26 -08:00
e65bff0943
workaround whence_t as bit-field
2020-02-21 10:17:26 -08:00
1aed6d223c
fix whence=Head; position as 28 bits
2020-02-21 10:17:25 -08:00
4ca8e0d989
re-implement Tail; rewrote name table with it
2020-02-21 10:17:25 -08:00
c1313e4be2
minor: undid unintended change
2020-02-21 10:17:25 -08:00
9c65680b48
rename enums to avoid conflict on win
2020-02-21 10:17:25 -08:00
555f6f1daa
merge add_link_abs() into add_link()
2020-02-21 10:17:25 -08:00
017cd945bf
added add_link_abs()
2020-02-21 10:17:25 -08:00
6585846352
pop_pack(share=false) in end_serialize()
...
issue #2177
2020-02-16 17:16:29 -08:00
39fb57c0e4
add share option to pop_pack() ( #2176 )
...
as a solution for #2164
2020-02-16 08:38:41 -08:00
d663e28af1
[serialize] Catch signedness overflows in check_assign()
...
Should address https://github.com/harfbuzz/harfbuzz/pull/2163#pullrequestreview-355137936
2020-02-12 15:41:21 +00:00
486754a888
[serialize] Extract iterable copy, copy_all
2019-10-31 13:31:11 -07:00
22b6c6a5c7
[serialize] use for each as #resolve_links, format
2019-09-24 12:06:28 +03:30
512551f276
memory leak fix in serializer ( #1988 )
2019-09-23 17:28:16 -07:00
1c56b5d1d8
[serialize] Fix copy() calling operator=
...
9f610ae239 (commitcomment-33944686)
2019-06-17 14:23:04 -07:00
e8b45c1933
[array] Add .copy()
2019-05-08 16:37:38 -07:00
83e3eabd84
Whitespace
2019-05-07 20:58:43 -07:00
5c0f62adc9
[serializer] Accept pointer & reference in more methods
2019-05-07 17:25:58 -07:00
839618de3b
[serializer] Minor
2019-05-07 17:21:27 -07:00
fa8c4ba811
Minor
2019-05-07 14:26:03 -07:00
Garret Rieger
Behdad Esfahbod
Qunxin Liu
ariza
blueshade7
Ebrahim Byagowi
Qunxin Liu