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341 Commits

Author SHA1 Message Date
Werner Lemberg
4a19a53d5a * src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter (#57732). 
The font that exceeds the old limit is Constantine, version 1.001.
 2020-02-04 13:37:19 +01:00
Werner Lemberg
e5038be704 Update all copyright notices. 2020-01-19 17:05:19 +01:00
Dominik Röttsches
10d8de7541 [truetype] Fix UBSan warning on offset to nullptr (#57501). 
* src/truetype/ttinterp.c (Ins_CALL): Fail if `exc->FDefs' is null.
 2020-01-02 11:14:01 +01:00
Dominik Röttsches
8cee1dde4e Fix more UBSan warnings on adding offset to nullptr (#57432). 
* src/truetype/ttinterp.c (Ins_LOOPCALL), src/psaux/psft.c
(cf2_initLocalRegionBuffer): Use `FT_OFFSET'.
 2019-12-21 19:03:48 +01:00
Werner Lemberg
7e1b39f6cd [truetype] Fix UBSan warnings on adding offsets to nullptr. 
Reported as

  https://bugs.chromium.org/p/chromium/issues/detail?id=1032152

* src/truetype/ttinterp.c (Ins_FDEF, Ins_IDEF): Use `FT_OFFSET'.
 2019-12-16 11:07:58 +01:00
Werner Lemberg
0c14a3adb0 [truetype] Fix integer overflow. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19305

* src/truetype/ttinterp.c (Ins_MIRP): Use `ADD_LONG'.
 2019-12-14 00:04:01 +01:00
Werner Lemberg
dfc9a049de * src/truetype/ttinterp.c (TT_RunIns): Use `FT_OFFSET'. 
Reported as

  https://bugs.chromium.org/p/chromium/issues/detail?id=1030614
 2019-12-05 08:44:30 +01:00
Werner Lemberg
551bd3a90e More nullptr offset UBSan warnings (#57331, #57347). 
* src/autofit/afcjk.c (af_cjk_hints_compute_segments),
src/psaux/psft.c (cf2_getSeacComponent), src/truetype/ttinterp.c
(Ins_UNKNOWN): Use `FT_OFFSET'.
 2019-12-03 11:52:48 +01:00
Werner Lemberg
c3be6f06b7 src/truetype/ttinterp.c: Give order of operations for some instructions. 2019-05-21 11:23:36 +02:00
Werner Lemberg
262fce445a * src/truetype/ttinterp.c (opcode_name): Improve mnemonics. 2019-05-21 09:58:51 +02:00
Werner Lemberg
7585997024 Update all copyright notices. 2019-02-23 10:07:09 +01:00
Armin Hasitzka
b77826e139 Triage 8ea854bfe92443706d55656072f891ec8f2cb3c2. 2019-02-21 10:23:15 +00:00
Armin Hasitzka
8ea854bfe9 [truetype] Mask numeric overflows. 
* src/truetype/ttinterp.c (Move_CVT, Move_CVT_Stretched, Ins_MIRP):
Mask numeric overflows.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11681
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11734
 2019-02-21 10:14:57 +00:00
Werner Lemberg
f686ad46a3 Update copyright years. 2019-01-22 20:31:44 +01:00
Werner Lemberg
2b4e61e4d6 Minor documentation fixes. 2018-12-12 09:36:39 +01:00
Werner Lemberg
a0dd16fb3d Don't use `trace_' prefix for FT_COMPONENT arguments. 
* include/freetype/internal/ftdebug.h (FT_TRACE_COMP,
FT_TRACE_COMP_): New auxiliary macros to add `trace_' prefix.
(FT_TRACE): Use `FT_TRACE_COMP'.

*/* (FT_COMPONENT): Updated.
 2018-08-15 18:13:17 +02:00
Werner Lemberg
1d7b034cd8 Use formatting string in FT_TRACEX calls for non-simple arguments. 
* src/psaux/cffdecode.c (cff_decoder_parse_charstrings)
<cff_op_hstem, cff_op_hintmask, cff_op_hlineto, cff_op_vhcurveto>:
Do it.

* src/psaux/pshints.c (cf2_hintmap_build): Ditto.

* src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdHSTEM,
cf2_cmdVSTEM, cf2_cmdHLINETO, cf2_cmdRRCURVETO, cf2_cmdCALLSUBR,
cf2_escHSTEM3, cf2_cmdHINTMASK, cf2_cmdHVCURVETO>: Ditto.

* src/truetype/ttinterp.c (TT_RunIns): Ditto.
 2018-08-14 15:56:28 +02:00
Werner Lemberg
ced9c311f6 Ditto. 2018-08-04 07:03:57 +02:00
Werner Lemberg
be81acc4bf * src/truetype/ttinterp.c (opcode_name): Fix typos. 2018-08-04 07:01:04 +02:00
Hin-Tak Leung
71e29fe1c9 [truetype] Match ttdebug's naming of instruction mnemonics. 
* src/truetype/ttinterp.c: The form used in ttdebug,
"MDRP[G,B,W,?]", etc., is slightly more readable than
"MDRP[00,01,02,03]".
 2018-07-24 10:04:23 +02:00
Nikhil Ramakrishnan
78d85b9c84 Restore missing comment lines and other minor fixes 2018-06-04 20:33:56 +05:30
Werner Lemberg
9ac9060df0 [GSoC] src/*.*: Convert block comments to `light' style. 
This monster commit was created by applying Nikhil's scripts
`docconverter.py' and `markify.py' to all C header and source files,
followed up by minor manual clean-up.

No change in functionality, of course.

I used commit f7419907bc6044b9b7057f9789866426c804ba82 from
https://github.com/nikramakrishnan/freetype-docs.git.
 2018-06-03 09:08:41 +02:00
Werner Lemberg
67994e8221 * src/truetype/ttinterp.c (Ins_MIRP): Use SUB_LONG; avoid FT_ABS. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8706
 2018-06-02 19:51:03 +02:00
Werner Lemberg
2a1597826a [truetype] Integer overflow issues. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7739

* src/truetype/ttinterp.c (Ins_CEILING): Use FT_PIX_CEIL_LONG.
 2018-04-17 12:25:17 +02:00
Werner Lemberg
70ac167c47 [truetype] Integer overflow issues. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7718

* src/truetype/ttinterp.c (Ins_MIRP): Use ADD_LONG.
 2018-04-16 10:39:10 +02:00
Werner Lemberg
235b1e2fe6 [truetype]: Limit `SLOOP' bytecode argument to 16 bits. 
This fixes

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7707

* src/truetype/ttinterp.c (Ins_SLOOP): Do it.
 2018-04-15 21:55:04 +02:00
Werner Lemberg
827ca3bcf2 [truetype] Integer overflow issues. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7652

* src/truetype/ttinterp.c (Ins_MDAP): Use SUB_LONG.
 2018-04-14 07:20:31 +02:00
Werner Lemberg
bd9400bd46 [truetype] Integer overflow issues. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7453

* src/truetype/ttinterp.c (Round_Super, Round_Super_45): Use
ADD_LONG and SUB_LONG.
 2018-04-09 21:28:37 +02:00
Werner Lemberg
efd13c5d1b * src/truetype/ttinterp.c (TT_RunIns): Fix tracing arguments. 2018-03-01 22:17:54 +01:00
Werner Lemberg
4a03f17449 [truetype] Integer overflow issues. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6027

* src/truetype/ttinterp.c (Ins_MSIRP, Ins_MIAP, Ins_MIRP): Use
SUB_LONG; avoid FT_ABS.
 2018-02-06 02:23:19 +01:00
Werner Lemberg
29c759284e * src/truetype/ttinterp.c (Ins_GETVARIATION): Avoid NULL reference. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736
 2018-01-27 14:43:43 +01:00
Werner Lemberg
0a0c22569d Update copyright year. 2018-01-02 09:33:57 +01:00
Werner Lemberg
98ba0c4a37 New `ftdriver.h' file, covering all driver modules. 
This reduces redundancy and increases synergy; it also reduces the
number of header files.

* include/freetype/config/ftheader.h (FT_DRIVER_H): New macro.
(FT_AUTOHINTER_H, FT_CFF_DRIVER_H, FT_TRUETYPE_DRIVER_H,
FT_PCF_DRIVER_H, FT_TYPE1_DRIVER_H): Make them aliases to
FT_DRIVER_H.

* include/freetype/ftautoh.h, include/freetype/ftcffdrv.h,
include/freetype/ftpcfdrv.h, include/freetype/ftt1drv.h,
include/freetype/ftttdrv.h: Replaced with...
* include/freetype/ftdriver.h: ...this new file.
(FT_CFF_HINTING_ADOBE, FT_T1_HINTING_ADOBE): Renamed to...
(FT_HINTING_ADOBE): ... this new macro.
(FT_CFF_HINTING_FREETYPE, FT_T1_HINTING_FREETYPE): Renamed to...
(FT_HINTING_FREETYPE): ... this new macro.

* src/*/*: Updated accordingly.
 2017-12-08 18:41:49 +01:00
Werner Lemberg
71fecc539e Improve tracing messages by using singular and plural forms. 
* src/*/*.c: Implement it.
 2017-12-05 12:06:29 +01:00
Ben Wagner
c06b9cf56d [truetype] Really, really fix #52082. 
* src/truetype/ttinterp.c (Ins_MDRP): Correct conditional.
 2017-09-28 19:08:38 +02:00
Ben Wagner
63be40bccf [truetype] Really fix #52082. 
* src/truetype/ttinterp.c (Ins_MDRP): Correct conditional.
 2017-09-23 00:44:59 +02:00
Werner Lemberg
6d04bd991b [truetype] Integer overflow (#52082). 
* src/truetype/ttinterp.c (Ins_MDRP): Avoid FT_ABS.
 2017-09-21 21:22:51 +02:00
Werner Lemberg
eaa9adf325 [truetype] Integer overflows. 
Changes triggered by

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3429

* src/truetype/ttinterp.c (Ins_SHPIX, Ins_DELTAP): Use NEG_LONG.
(Ins_MIAP): Use SUB_LONG.
 2017-09-20 08:00:05 +02:00
Werner Lemberg
0aca17cf53 [truetype] Integer overflow. 
Changes triggered by

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3107

* src/truetype/ttinterp.c (Ins_MDRP, Ins_MIRP, Ins_ALIGNPTS): Use
NEG_LONG.
 2017-08-22 08:25:14 +02:00
Werner Lemberg
17196b7c74 [truetype] Integer overflow. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2868

* src/truetype/ttinterp.c (Ins_ALIGNRP): Use NEG_LONG.
 2017-08-05 18:58:34 +02:00
Nikolaus Waxweiler
7f44c2db24 [truetype] Do not set any ClearType flags in v40 monochrome mode. 
This fixes weird behavior of instructions that resulted in rendering
differences between v35 and v40 in monochrome mode, e.g., in
`timesbi.ttf'.

* src/truetype/ttinterp.c (Ins_GETINFO)
[TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL]: Check
`subpixel_hinting_lean'.
 2017-08-03 06:15:30 +02:00
Werner Lemberg
ca799e9be5 [truetype] Integer overflow. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2455

* src/truetype/ttinterp.c (Ins_SCFS): Use SUB_LONG.
 2017-07-03 06:27:52 +02:00
Werner Lemberg
dde8f5abbe [truetype] Integer overflows. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2384
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2391

* src/base/ftcalc.c (FT_MulDiv, FT_MulDiv_No_Round, FT_DivFix): Use
NEG_LONG.

* src/truetype/ttinterp.c (Ins_SxVTL): Use NEG_LONG.
 2017-06-27 06:16:04 +02:00
Werner Lemberg
b27cef27ff [truetype] Integer overflows. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2364

* src/truetype/ttinterp.c (Ins_ISECT): Use NEG_LONG.
 2017-06-24 20:17:46 +02:00
Werner Lemberg
298e2ea5a6 [cff, truetype] Integer overflows. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2323
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2328

* src/cff/cf2blues.c (cf2_blues_capture): Use ADD_INT32 and
SUB_INT32.

* src/truetype/ttinterp.c (Ins_SDPVTL): Use SUB_LONG and NEG_LONG.
 2017-06-22 11:52:43 +02:00
Werner Lemberg
8c763fb1be [cff, truetype] Integer overflows. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2300
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2313

* src/cff/cf2hints.c (cf2_hintmap_adjustHints): Use ADD_INT32.

* src/truetype/ttinterp.c (Ins_ABS): Avoid FT_ABS.
 2017-06-20 07:49:52 +02:00
Werner Lemberg
4dc00cf5c0 [truetype] Integer overflows. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2270
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2278

* src/truetype/ttinterp.c (Ins_MDRP, _iup_worker_interpolate): Use
ADD_LONG and SUB_LONG.
 2017-06-16 13:33:09 +02:00
Werner Lemberg
5c402d97af [cff, truetype] Integer overflows. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2216
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2218

* src/cff/cf2fixed.h (cf2_fixedAbs): Use NEG_INT32.

* src/truetype/ttinterp.c (Ins_IP): Use SUB_LONG.
 2017-06-13 06:56:48 +02:00
Werner Lemberg
9038837ee2 [cff, truetype] Integer overflows. 
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2144
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2151
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2153
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2173
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2186

* src/cff/cf2blues.c (cf2_blues_init): Use SUB_INT32.

* src/truetype/ttinterp.c (Round_None, Round_To_Grid,
Round_To_Half_Grid, Round_Down_To_Grid, Round_Up_To_Grid,
Round_To_Double_Grid, Round_Super, Round_Super_45): Use ADD_LONG,
SUB_LONG, NEG_LONG, FT_PIX_ROUND_LONG, FT_PIX_CEIL_LONG,
FT_PAD_ROUND_LONG
(Ins_SxVTL, Ins_MIRP): Use SUB_LONG.
(_iup_worker_shift): Use SUB_LONG and ADD_LONG.
 2017-06-09 20:42:46 +02:00
Werner Lemberg
dcd8de272f */*: Remove `OVERFLOW_' prefix. 
This increases readability.
 2017-06-09 11:21:58 +02:00