| Commit message (Collapse) | Author | Age | Files | Lines |
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Seems to work now. Either asking for family emoji, or :lang=und-zsye returns
the preferred color emoji font available, or just any color emoji font if none
of the preferred ones was found.
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Allows copying emoji-data.txt and other Unicode data files intact.
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https://bugs.freedesktop.org/show_bug.cgi?id=94551#c33
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Fixes https://bugs.freedesktop.org/show_bug.cgi?id=94551
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Update 65-nonlatin.conf to have better choice of the sans-serif fonts for Chinese
Patch from Joseph Wang
https://bugs.freedesktop.org/show_bug.cgi?id=101726
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https://bugs.freedesktop.org/show_bug.cgi?id=78452
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FcPattern.
https://bugs.freedesktop.org/show_bug.cgi?id=19375
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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=717423
https://bugs.freedesktop.org/show_bug.cgi?id=101605
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Even though fontconfig's build system tries to build edit-sgml with the
build arch compiler, it gets the runes wrong and actually builds it with
the host arch compiler. This patch makes it use the right compiler.
Bug-Debian: https://bugs.debian.org/779461
https://bugs.freedesktop.org/show_bug.cgi?id=101554
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freezer->orig_hash_table
As written at:
https://lists.freedesktop.org/archives/fontconfig/2017-June/005929.html
I think FcCharSetFreezeOrig() and FcCharSetFindFrozen() should use the %
operator instead of & when computing the bucket index for
freezer->orig_hash_table, otherwise at most 8 buckets among the 67
available (FC_CHAR_SET_HASH_SIZE) are used.
Another way would be to change FC_CHAR_SET_HASH_SIZE to be of the form
2**n -1 (i.e., a power of two minus one). In such a case, the & and %
operators would be equivalent.
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In fcLangCountrySets, it may happen that two charsets for the same
language but different territories are found in different FcChar32
"buckets" (different "columns" on the same line). This is currently the
case for the following pairs:
mn-cn and mn-mn
pap-an and pap-aw
The FcLangSetCompare() code so far used to return FcLangDifferentLang
instead of FcLangDifferentTerritory when comparing:
an FcLangSet containing only mn-cn with one containing only mn-mn
or
an FcLangSet containing only pap-an with one containing only pap-aw
This commit fixes this problem.
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FcLangSetIndex() indicates "not found" with a non-negative return value.
Return value 0 doesn't imply "not found", it rather means "language
found at index 0 in fcLangCharSets".
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This commit fixes a bug that can be reproduced like this:
- remove all languages starting with 'a' in fc-lang/Makefile.am (in
ORTH's definition);
- rebuild fontconfig with this change (-> new fc-lang/fclang.h);
- create an FcLangSet 'ls1' that contains at least the first language
from fcLangCharSets (i.e., the first *remaining* in lexicographic
order); let's assume it is "ba" for the sake of this description;
- create an FcLangSet 'ls2' that only contains the language "aa" (any
language starting with 'a' should work as well);
- check the return value of FcLangSetContains(ls1, ls2);
The expected return value is FcFalse, however it is FcTrue if you use
the code before this commit.
What happens is that FcLangSetIndex() returns 0, because this is the
index of the first slot after the not-found language "aa" in
fcLangCharSets (since we removed all languages starting with 'a').
However, this index happens to be non-negative, therefore
FcLangSetContainsLang() mistakenly infers that the language "aa" was
found in fcLangCharSets, and thus calls FcLangSetBitGet(ls1, 0), which
returns FcTrue since we've put the first remaining language "ba" in the
'ls1' language set.
The "return -low;" statement previously in FcLangSetIndex() was
inconsistent with the final return statement. "return -(low+1);" fixes
this inconsistency as well as the incorrect behavior described above.
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FcLangSetIndex() contains code like this:
low = fcLangCharSetRanges[firstChar - 'a'].begin;
high = fcLangCharSetRanges[firstChar - 'a'].end;
/* no matches */
if (low > high)
The assumption behind this test didn't hold before this commit, unless
there is at least one language name that starts with 'z' (which is
thankfully the case in our world :-). If the last language name in
lexicographic order starts for instance with 'x', this change ensures
that fcLangCharSetRanges['y' - 'a'].begin and
fcLangCharSetRanges['z' - 'a'].begin
are equal to NUM_LANG_CHAR_SET, in order to make the above assumption
correct in all cases.
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Before this commit, FcCharSetHash() repeatedly used the address of the
'numbers' array of an FcCharSet to compute the FcCharSet hash, instead
of the value of each array element. This is not good for even spreading
of the FcCharSet objects among the various buckets of the hash table
(and should thus reduce performance). This bug appears to have been
mistakenly introduced in commit
cd2ec1a940888ebcbd323a8000d2fcced41ddf9e (June 2005).
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installed
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To avoid a situation of mismatching the declaration of hash function
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On Windows, opened or locked files cannot be removed.
Since fontconfig locked an old cache file while updating the file,
fontconfig failed to replace the file with updated file on Windows.
This patch makes fontconfig does not lock the old cache file
while updating it on Windows.
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PCF_CONFIG_OPTION_LONG_FAMILY_NAMES enabled.
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https://bugs.freedesktop.org/show_bug.cgi?id=101202
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Our test case relies on the outcome of the family property from freetype though,
it was changed in 2.7.1:
- PCF family names are made more `colourful'; they now include the
foundry and information whether they contain wide characters.
For example, you no longer get `Fixed' but rather `Sony Fixed'
or `Misc Fixed Wide'.
https://bugs.freedesktop.org/show_bug.cgi?id=47704
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PATH_MAX isn't defined on GNU/Hurd. according to the porting guidelines
(https://www.gnu.org/software/hurd/hurd/porting/guidelines.html)
allocate a memory dynamically instead of relying on the length of
a string with PATH_MAX.
https://bugs.freedesktop.org/show_bug.cgi?id=97512
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To support the one of changes in gperf 3.1:
* The 'len' parameter of the hash function and of the lookup function is now
of type 'size_t' instead of 'unsigned int'. This makes it safe to call these
functions with strings of length > 4 GB, on 64-bit machines.
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glibc 2.25+ has now defined these macros in <limits.h>
https://sourceware.org/git/?p=glibc.git;a=commit;h=5b17fd0da62bf923cb61d1bb7b08cf2e1f1f9c1a
Create an alias for FC_CHAR_WIDTH for ABI compatibility
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Validation fails when the FcValueList contains more than font->num.
this logic was wrong because font->num contains a number of the elements
in FcPatternElt but FcValue in FcValueList.
This corrects 7a4a5bd7.
Patch from Tobias Stoeckmann
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http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=c8342b4a7b6cdcc4cb1261bf2b008f6df257b5c6
http://git.ghostscript.com/?p=urw-core35-fonts.git;a=commit;h=79bcdfb34fbce12b592cce389fa7a19da6b5b018
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`Helvetica Condensed' is not PostScript base 35 fonts.
`Helvetica Narrow' is PostScript base 35 fonts.
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Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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The cache files are insufficiently validated. Even though the magic
number at the beginning of the file as well as time stamps are checked,
it is not verified if contained offsets are in legal ranges or are
even pointers.
The lack of validation allows an attacker to trigger arbitrary free()
calls, which in turn allows double free attacks and therefore arbitrary
code execution. Due to the conversion from offsets into pointers through
macros, this even allows to circumvent ASLR protections.
This attack vector allows privilege escalation when used with setuid
binaries like fbterm. A user can create ~/.fonts or any other
system-defined user-private font directory, run fc-cache and adjust
cache files in ~/.cache/fontconfig. The execution of setuid binaries will
scan these files and therefore are prone to attacks.
If it's not about code execution, an endless loop can be created by
letting linked lists become circular linked lists.
This patch verifies that:
- The file is not larger than the maximum addressable space, which
basically only affects 32 bit systems. This allows out of boundary
access into unallocated memory.
- Offsets are always positive or zero
- Offsets do not point outside file boundaries
- No pointers are allowed in cache files, every "pointer or offset"
field must be an offset or NULL
- Iterating linked lists must not take longer than the amount of elements
specified. A violation of this rule can break a possible endless loop.
If one or more of these points are violated, the cache is recreated.
This is current behaviour.
Even though this patch fixes many issues, the use of mmap() shall be
forbidden in setuid binaries. It is impossible to guarantee with these
checks that a malicious user does not change cache files after
verification. This should be handled in a different patch.
Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
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Fix a crash issue when FcWeightFromOpenType() gets a number more than it expects.
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