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9ac9060d
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2018-06-03T09:01:17
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[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.
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0a0c2256
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2018-01-02T09:33:57
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Update copyright year.
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563ae780
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2017-01-04T20:16:34
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Update copyright year.
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f80c4473
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2016-12-26T23:57:45
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Replace `++foo' and `--foo' with `foo++' and `foo--', resp.
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8521ad99
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2016-08-16T13:44:38
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[lzw] Optimize last commit.
* src/lzw/ftzopen.c (ft_lzwstate_get_code): Move check into
conditional clause.
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548f68d8
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2016-08-16T09:46:40
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[lzw] Avoid invalid left shift.
* src/lzw/ftzopen.c (ft_lzwstate_get_code): Limit `num_bits'.
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8d7b9198
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2016-08-16T08:07:58
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[lzw] Avoid buffer overrun.
Reported as
https://bugzilla.mozilla.org/show_bug.cgi?id=1273283
* src/lzw/ftzopen.c (ft_lzwstate_refill): Ensure `buf_size' doesn't
underflow.
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9adeab64
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2016-01-13T11:54:10
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Update copyright year.
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83d4181a
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2015-02-25T08:10:58
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[lzw] Signedness fixes.
* src/lzw/ftzopen.c, src/lzw/ftzopen.h: Apply.
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f57fc59e
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2015-01-17T20:41:43
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Run `src/tools/update-copyright'.
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f796cf6c
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2015-01-17T20:11:10
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Normalize copyright notice format.
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487913d9
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2011-09-11T09:18:10
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Slightly improve LZW_CLEAR handling.
* src/lzw/ftzopen.c (ft_lzwstate_io) <FT_LZW_PHASE_CODE>:
Ensure that subsequent (modulo garbage byte(s)) LZW_CLEAR codes are
handled as clear codes. This also re-sets old_code and old_char to
predictable values, which is a little better than using `random'
ones if the code following LZW_CLEAR is invalid.
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83cb6c00
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2011-09-11T09:13:45
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Add explicit LZW decompression stack size limit.
Stack larger than 1<<LZW_MAX_BITS is never needed if prefix table is
constructed correctly. It's even less than that, see e.g.
libarchive code comment for a better size upper bound:
http://code.google.com/p/libarchive/source/browse/trunk/libarchive/archive_read_support_filter_compress.c?r=3635#121
This patch adds explicit stack size limit, enforced when stack is
realloced.
An alternative is to ensure that code < state->prefix[code - 256]
when traversing prefix table. Such check is less efficient and
should not be required if prefix table is constructed correctly in
the first place.
* src/lzw/ftzopen.c (ft_lzwstate_stack_grow): Implement it.
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86c3c69c
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2011-09-11T09:08:40
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Protect against loops in the prefix table.
LZW decompressor did not sufficiently check codes read from the
input LZW stream. A specially-crafted or corrupted input could
create a loop in the prefix table, which leads to memory usage
spikes, as there's no decompression stack size limit.
* src/lzw/ftzopen.c (ft_lzwstate_io) <FT_LZW_PHASE_START>: First
code in valid LZW stream must be 0..255.
<FT_LZW_PHASE_CODE>: In the special KwKwK case, code == free_ent,
code > free_ent is invalid.
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f420757c
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2009-08-01T00:30:14
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lzw: Count the size of the memory object by ptrdiff_t.
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a49db4f8
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2009-03-20T07:30:43
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Copyright.
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0a05ba25
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2009-03-20T07:19:45
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Protect against malformed compressed data.
Problem reported by Tavis Ormandy <taviso@google.com>.
* src/lsw/ftzopen.c (ft_lzwstate_io): Test whether `state->prefix' is
zero.
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1c8980ef
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2007-05-25T07:11:12
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* docs/CHANGES: Updated.
Formatting.
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3e2f953a
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2007-05-22T13:10:59
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real fix for bug #19910. the .Z format is really badly designed :-(
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0d0365ec
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2007-05-22T09:53:44
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avoid heap explosion in the case of malformed .Z font files
related to bug #19910, but not a bugfix yet
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c6afa122
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2006-05-02T22:22:16
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* include/freetype/internal/ftmemory.h: s/new/newsz/ (for C++).
(FT_ALLOC): Remove redundant redefinition.
* builds/compiler/gcc-dev.mk (CFLAGS) [g++]: Don't use
`-Wstrict-prototypes'.
* src/base/ftstream.c (FT_Stream_EnterFrame): Add cast.
Formatting, copyright years.
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9ca78256
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2006-05-02T09:00:29
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* include/freetype/internal/ftmemory.h, src/base/ftbitmap.c,
src/base/ftmac.c, src/base/ftrfork.c, src/lzw/ftzopen.c,
src/raster/ftrend1.c, src/sfnt/ttpost.c, src/truetype/ttgxvar.c,
src/type42/t42parse.c, src/winfonts/winfnt.c: hardening the code
against out-of-bounds conditions when allocating arrays. This is
for the cases where FT_NEW_ARRAY and FT_RENEW_ARRAY are not used
already. Introducing the new FT_ALLOC_MULT and FT_REALLOC_MULT
macros.
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84cacd23
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2005-10-23T19:25:41
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formatting, comment clean-up
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560d5fed
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2005-10-21T09:08:28
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Minor cleanups.
Copyright issues.
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c1b6d082
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2005-10-20T15:33:34
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* src/base/ftdbgmem.c: fixes to better account for memory reallocations
* src/lzw/ftlzw2.c, src/lzw/ftzopen.h, src/lzw/ftzopen.c, src/lzw/rules.mk:
first version of LZW loader re-implementation. Apparently, saves about
260 KB of heap memory when loading tir24.pcf.Z
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