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3956 Commits

Author SHA1 Message Date
Behdad Esfahbod f966649747 Fix another memory access issue discovered by libFuzzer 
Fixes https://github.com/behdad/harfbuzz/issues/139#issuecomment-146984679
 2015-10-13 00:30:50 -04:00
Behdad Esfahbod c1a5dc46c2 [fuzz] Add fuzzing script from kcc@ 
https://github.com/behdad/harfbuzz/issues/139
 2015-10-12 17:39:52 -04:00
Behdad Esfahbod cc6ea308d4 Extern "C" custom-allocator declerations 2015-10-12 17:21:52 -04:00
Behdad Esfahbod 98c6fccc00 Add test for ee9b0b6cb5 2015-10-11 21:41:04 -04:00
Behdad Esfahbod 50f489a0a0 Typo 2015-10-11 20:59:29 -04:00
Behdad Esfahbod ee9b0b6cb5 Fix another sanitize bug 
Also discovered by "libFuzzer".
 2015-10-09 14:23:15 -04:00
Behdad Esfahbod 34379b49e6 Add test for previous fix 2015-10-09 12:34:02 -04:00
Behdad Esfahbod f396fbb000 Fix return value of sanitize when subformat is not readable 
This is a fix on top of the previous issue fixed in
c917965b9e.

This was caught by "libFuzzer" testing.
 2015-10-09 12:25:55 -04:00
Behdad Esfahbod 77a1a2bc18 Add hb_dispatch_context_t 2015-10-09 12:20:58 -04:00
Behdad Esfahbod 3e905e396b Add hb_font_set_parent() 
No reason to not have it.  Makes life easier later.
We (hb-ft, hb-ot-font, etc) can use this API to inject new
parent into a font...
 2015-10-08 12:51:02 -04:00
Behdad Esfahbod edeb3dabf4 [ft] Add version for new API 2015-10-08 12:47:15 -04:00
Behdad Esfahbod 2a9627c564 [ft] API: Add hb_font_[sg]et_load_flags() API 
This changes the default load_flags of fonts created using
hb_ft_font_create() from NO_HINTING to DEFAULT.  Hope that doesn't
break too much client code.

Code calling hb_ft_font_set_funcs() is unaffected.
 2015-10-07 17:39:37 -04:00
Behdad Esfahbod 3224a594dc Minor 2015-10-07 17:33:02 -04:00
Behdad Esfahbod 52b418555b Allow compiling with custom allocators 
User can define hb_malloc_impl, etc, to name of custom allocator functions
that have the same signature as malloc.
 2015-10-03 13:20:55 +01:00
Behdad Esfahbod 88da7bba9f Default font scale to face upem 
Makes for a better default and avoids nasty inheritance issues.
See mailing list thread "Default hb_font_t scale".
 2015-10-02 14:38:20 +01:00
Behdad Esfahbod 1866e17114 Make hb_font_create_sub_font() NOT make parent immutable 
We don't rely on that.  However, whenever hb_font_make_immutable()
is called, it makes its parenting chain immutable.
 2015-10-02 14:21:29 +01:00
Behdad Esfahbod 980e25cad2 Fix hb-ot-shape-normalize with empty buffer 
Part of https://github.com/behdad/harfbuzz/issues/136
 2015-10-02 08:21:12 +01:00
Behdad Esfahbod a5efaac4ff Replace a couple of malloc()s with calloc() 2015-10-02 08:02:29 +01:00
Behdad Esfahbod 26ba4d1e1f Fix segfault with empty buffer in hb_shape_plan_execute() 
Move the empty-buffer check from hb_shape_full() to hb_shape_plan_execute().

Reported by Simon Cozens.
 2015-10-02 07:25:52 +01:00
Behdad Esfahbod 432ffc47a4 1.0.4 2015-09-30 22:51:16 +01:00
Behdad Esfahbod b47159011c Define return_trace() 
Not functional change (expected!).
 2015-09-29 14:57:02 +01:00
Behdad Esfahbod c917965b9e Add missing returns 
Fixes possible invalid read of two bytes.

Reported by Behzad Najjarpour Jabbari, Secunia Research.
 2015-09-29 14:45:35 +01:00
Behdad Esfahbod f3159ba514 Micro-optimize hb_language_from_string() 
As measured / improved by Benson Limketkai.
 2015-09-29 14:34:56 +01:00
Sascha Brawer f2ad935e19 Handle language tags that indicate phonetic IPA transcription 
The BCP-47 registry defines a variant subtag "fonipa" that can be used
in combination with arbitrary other language tags. For example,
"rm-CH-fonipa-sursilv" indicates the Sursilvan dialect of Romansh
as used in Switzerland, transcribed used the International Phonetic
Alphabet.

http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
 2015-09-29 14:32:06 +01:00
Behdad Esfahbod b8811429b6 Fix Since tags 
Fixes https://github.com/behdad/harfbuzz/issues/103
 2015-09-03 15:53:22 +04:30
Behdad Esfahbod 5d74ff02ab Fix Since: version tags on font and face APIs 
A while back we marked every API as version:1.0.  We should fix them all
to reflect real version they were introduced.  This is a start.

Patch from Nikolay Sivov.
 2015-09-03 14:55:59 +04:30
Behdad Esfahbod 7f54053974 1.0.3 2015-09-01 17:03:50 +01:00
Behdad Esfahbod 5828c45d7a [indic] Add comments to merge_clusters calls 2015-09-01 16:34:12 +01:00
Behdad Esfahbod bdc8215949 [thai] Respect cluster-level > 0 2015-09-01 16:24:54 +01:00
Behdad Esfahbod 5b31fe383e [use] Merge /before/ reordering 2015-09-01 16:24:34 +01:00
Behdad Esfahbod 0d438f89bd [hangul] Merge /before/ reordering 2015-09-01 16:24:13 +01:00
Behdad Esfahbod f883de664f [OT] Merge /before/ reordering 2015-09-01 16:23:40 +01:00
Behdad Esfahbod c403d63200 [myanmar] Use buffer->sort() to sort cluster 
This can possibly produce more granular clusters.
 2015-09-01 16:15:25 +01:00
Behdad Esfahbod e995d33c10 [OT] Merge clusters when reordering marks for normalization 
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=541608
and cluster test.
 2015-09-01 16:13:32 +01:00
Behdad Esfahbod b6d7d161a8 [tests] Add Hebrew test for normalization under cluster-level=1 
Currently fails.
https://bugzilla.gnome.org/show_bug.cgi?id=541608
 2015-09-01 16:12:44 +01:00
Behdad Esfahbod 93099748e3 Minor 2015-09-01 16:11:27 +01:00
Behdad Esfahbod 85846b3de7 Use insertion-sort instead of bubble-sort 
Needed for upcoming merge-clusters fix.
 2015-09-01 15:07:52 +01:00
Behdad Esfahbod fad2674874 Minor 2015-09-01 14:45:46 +01:00
Behdad Esfahbod 23e4fac6de Update git.mk from upstream 2015-08-31 19:41:01 +01:00
Behdad Esfahbod 5783e05f81 [docs] Move docs/reference/ contents into docs/ 2015-08-31 19:18:10 +01:00
Behdad Esfahbod cd5e3a13a6 [docs] Fix out-of-tree build 2015-08-31 19:16:41 +01:00
Behdad Esfahbod 3899795fa3 Merge pull request #131 from simoncozens/docs 
Use gtk-doc to build user's manual as well as reference
 2015-08-31 10:46:01 +01:00
Simon Cozens 01e16e88f5 Combine user / reference information into gtk-doc generated manual. 2015-08-31 10:40:17 +01:00
Simon Cozens 11a07c4729 Correct tag hierarchy, to allow for table-of-contents entries. 2015-08-31 10:39:10 +01:00
Simon Cozens 387d6af428 Missing tag (oops). 2015-08-31 10:31:09 +01:00
Behdad Esfahbod d205965286 [docs] Fix typo 2015-08-31 10:12:05 +01:00
Behdad Esfahbod c424b41705 Merge pull request #129 from simoncozens/docs 
First two chapters. More to follow.
 2015-08-31 09:53:16 +01:00
Behdad Esfahbod 31594b98af [test] Fix test-object 
See previous commit.
 2015-08-30 17:33:04 +01:00
Behdad Esfahbod 326b5ebf57 Poison freed objects such that double-free is detected 
Previously we were setting refcount of freed objects to the inert value, which
was harmful because it caused further destroy()s of the freed object to NOT
call free() and hence hide the bug.  Indeed, after eb0bf3ae66 test-object
was double-free'ing objects and this was never caught on Linux.  It only was
caught as crashing on Mac.

Now we poison refcount upon freeing and check that it's valid whenever reading
it.  Makes test-object fail now.
 2015-08-30 17:29:21 +01:00
Simon Cozens 5470e744dd Current state and skeleton outline 2015-08-29 08:21:18 +01:00