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FcTypeVoid is likely to happen when 'lang' and 'charset'
is deleted by 'delete' or 'delete_all' mode in edit.
Without this change, any modification on them are simply
ignored.
This is useful to make a lot of changes, particularly
when one wants to add a few and delete a lot say.
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That belongs in tools like cairo/util/malloc-stat.so
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Add a new API FcGetDefaultLangs() to export the string sets of the default
languages.
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The syntax to add any langset to the langset table looks like:
<match target="scan">
<test name="family">
<string>Buggy Sans</string>
</test>
<edit name="lang" mode="assign">
<plus>
<name>lang</name>
<langset>
<string>zh-cn</string>
<string>zh-tw</string>
</langset>
</plus>
</edit>
</match>
To remove any langset from the langset table:
<match target="scan">
<test name="family">
<string>Buggy Sans</string>
</test>
<edit name="lang" mode="assign">
<minus>
<name>lang</name>
<langset>
<string>ja</string>
</langset>
</minus>
</edit>
</match>
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Patch from Akira TAGOH.
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Protect cache against future expansions of FcLangSet (adding new
orth files). Previously, doing so could change the size of
that struct. Indeed, that happened between 2.6.0 and 2.7.3, causing
crashes. Unfortunately, sizeof(FcLangSet) was not checked in fcarch.c.
This changes FcLangSet code to be able to cope with struct size changes.
And change cache format, hence bumping from 2 to 3.
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This reverts commit 5c6d1ff23bda4386984a1d6e4c024958f8f5547c and
fixes that bug using the new reverse-map I added in the previous
commit.
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Fix bug in FcLangSetContains(), similar to
5c6d1ff23bda4386984a1d6e4c024958f8f5547c
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Was broken since ffd6668b469508177c4baf7745ae42aee5b00322
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Fontconfig assigns an index number to each language it knows about.
The index is used to index a bit in FcLangSet language map. The bit
map is stored in the cache.
Previously fc-lang simply sorted the list of languages and assigned
them an index starting from zero. Net effect is that whenever new
orth files were added, all the FcLangSet info in the cache files would
become invalid. This was causing weird bugs like this one:
https://bugzilla.redhat.com/show_bug.cgi?id=490888
With this commit we fix the index assigned to each language. The index
will be based on the order the orth files are passed to fc-lang. As a
result all orth files are explicitly listed in Makefile.am now, and
new additions should be made to the end of the list. The list is made
to reflect the sorted list of orthographies from 2.6.0 released followed
by new additions since.
This fixes the stability problem. Needless to say, recreating caches
is necessary before any new orthography is recognized in existing fonts,
but at least the existing caches are still valid and don't cause bugs
like the above.
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This header file needs to be included at the end of every file that
exports any freetype symbols.
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This avoids requiring the freetype development files when cross compiling
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Constant char array of 8 bytes is the same size as a pointer plus a short
string, so this actually saves memory and eliminates a pile of relocations.
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Using a simple shell script that processes the public headers, two header
files are constructed that map public symbols to hidden internal aliases
avoiding the assocated PLT entry for referring to a public symbol.
A few mistakes in the FcPrivate/FcPublic annotations were also discovered
through this process
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Replace all of the bank/id pairs with simple offsets, recode several
data structures to always use offsets inside the library to avoid
conditional paths. Exposed data structures use pointers to hold offsets,
setting the low bit to distinguish between offset and pointer.
Use offset-based data structures for lang charset encodings; eliminates
separate data structure format for that file.
Much testing will be needed; offsets are likely not detected everywhere in
the library yet.
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Remove extra semi-colon.
Fix memory leak in error case (Coverity defects #776, #985).
Fix memory leaks (Coverity defects #779, #781) and memory use after free
(Coverity defect #780).
reviewed by: plam
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Fix memory leak in error case (Coverity defects #1820, #1821, #1822).
Fix memory leak (Coverity defect #1819).
prevent crash when invalid include line is parsed (Coverity defect #763).
Fix potential null pointer access (Coverity defect #1804).
Remove dead code (Coverity defect #1194).
Prevent potential null pointer access (Coverity defect #767), ensure error
value is read (Coverity defect #1195).
reviewed by: plam
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'__inline__' by AC_C_INLINE and 'inline'. Replace '__alignof__' by
'fc_alignof'.
reviewed by: plam
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duplicate names, reduce variable scopes, unsigned/signed printf
formatting.
reviewed by: plam
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reviewed by: plam
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(and less overhead, for what that's worth).
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added by the new ALIGN macro. Fix alignment problems on ia64 and s390
by bumping up block_ptr appropriately. (Earlier version by Andreas
Schwab).
Use sysconf to determine proper PAGESIZE value; this appears to be
POSIX-compliant. (reported by Andreas Schwab)
reviewed by: plam
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Ross Burton): fc-lang/fc-lang now creates the static form of the
langset, not the dynamic form, so that the charsets should now be in
.rodata.
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reviewed by: plam
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and distribute bytes for each directory from a single malloc for that
directory. Store pointers as differences between the data pointed to
and the pointer's address (s_off = s - v). Don't serialize data
structures that never actually get serialized. Separate strings used
for keys from strings used for values (in FcPatternElt and FcValue,
respectively). Bump FC_CACHE_VERSION to 2.
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cache. Add *Read and *Write procedures which mmap in and write out the
fontconfig data structures to disk. Currently, create cache in /tmp,
with different sections for each architecture (as returned by uname's
.machine field. Run the fc-cache binary to create a new cache file;
fontconfig then uses this cache file on subsequent runs, saving lots of
memory. Also fixes a few bugs and leaks.
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This patch allows the fundamental fontconfig data structures to be
serialized. I've converted everything from FcPattern down to be able to
use *Ptr objects, which can be either static or dynamic (using a union
which either contains a pointer or an index) and replaced storage of
pointers in the heap with the appropriate *Ptr object. I then changed
all writes of pointers to the heap with a *CreateDynamic call, which
creates a dynamic Ptr object pointing to the same object as before.
This way, the fundamental fontconfig semantics should be unchanged; I
did not have to change external signatures this way, although I did
change some internal signatures. When given a *Ptr object, just run *U
to get back to a normal pointer; it gives the right answer regardless
of whether we're using static or dynamic storage.
I've also implemented a Fc*Serialize call. Calling FcFontSetSerialize
converts the dynamic FcFontSets contained in the config object to
static FcFontSets and also converts its dependencies (e.g. everything
you'd need to write to disk) to static objects. Note that you have to
call Fc*PrepareSerialize first; this call will count the number of
objects that actually needs to be allocated, so that we can avoid
realloc. The Fc*Serialize calls then check the static pointers for
nullness, and allocate the buffers if necessary. I've tested the
execution of fc-list and fc-match after Fc*Serialize and they appear to
work the same way.
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LISTING requires that the font Contain all of the pattern values, where
Contain is redefined for strings to mean precise matching (so that
Courier 10 Pitch doesn't list Courier fonts)
"Contains" for lang means both langs have the same language and either the
same country or one is missing the country
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to the wrong location on miss
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warn us.
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lookups, change RCS tag
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fontconfig (#A.1406, Keith Packard).
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