| Commit message (Collapse) | Author | Age | Files | Lines |
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_cairo_malloc(0) always returns NULL, but has not been used
consistently. This patch replaces many calls to malloc() with
_cairo_malloc().
Fixes: fdo# 101547
CVE: CVE-2017-9814 Heap buffer overflow at cairo-truetype-subset.c:1299
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
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I updated the Free Software Foundation address using the following script.
for i in $(git grep Temple | cut -d: -f1 )
do
sed -e 's/59 Temple Place[, -]* Suite 330, Boston, MA *02111-1307[, ]* USA/51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA/' -i "$i"
done
Fixes http://bugs.freedesktop.org/show_bug.cgi?id=21356
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A pending commit will want to include some utility code from cairo and
so we need to extricate the error handling from the PLT symbol hiding.
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A very simple surface that produces a hierarchical DAG in a simple XML
format. It is intended to be used whilst debugging, for example with the
automatic regression finding tools of cairo-sphinx, and with test suites
that just want to verify that their code made a particular Cairo call.
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Use the gcc likelihood annotation to indicate that allocation failures are
extremely unlikely.
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A new meta-surface backend for serialising drawing operations to a
CairoScript file. The principal use (as currently envisaged) is to provide
a round-trip testing mechanism for CairoScript - i.e. we can generate
script files for every test in the suite and check that we can replay them
with perfect fidelity. (Obviously this does not provide complete coverage
of CairoScript's syntax, but should give reasonable coverage over the
operators.)
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Use a utility function to wrap an incoming error status into a new
error stream. As a side-effect, all error streams must be destroyed as
in the general case the caller can not distinguish between a static
error object and one allocated to hold an unusual error status.
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Every time we assign or return a hard-coded error status wrap that value
with a call to _cairo_error(). So the idiom becomes:
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
or
return _cairo_error (CAIRO_STATUS_INVALID_DASH);
This ensures that a breakpoint placed on _cairo_error() will trigger
immediately cairo detects the error.
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Blitz all allocations to ensure that they raise a
_cairo_error(CAIRO_STATUS_NO_MEMORY) on failure.
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Previously, the convention was that static ones started with cairo_, but
renamed to start with _cairo_ when they were needed from other files and
became cairo_private instead of static...
This is error prune indeed, and two symbols were already violating. Now
all nil objects start with _cairo_.
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Most internal cairo types are transparent within cairo and have init and fini
functions to intialize and finialize them in place. This way they can be
easily be embedded in other structs or derived from. Initially, the
cairo_output_stream_t type was proposed as a publically visible type and
thus kept opaque. However, now it's only used internally and derived from
in a number of places so let's make it an embeddable type for consistency
and ease of use.
The patch keeps _cairo_output_stream_create() and _cairo_output_stream_close()
around for (internal) backwards compatibility by deriving a
cairo_output_stream_with_closure_t stream type.
The patch also moves all cairo_output_stream_t functions out of cairoint.h
and into new file cairo-output-stream-private.h, thus chipping away at the
monolithic cairoint.h.
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This patch was produced by running git-stripspace on all *.[ch] files
within cairo. Note that this script would have also created all the changes
from the previous commits to remove trailing whitespace.
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This patch was produced with the following (GNU) sed script:
sed -i -r -e '/^[ \t]*\/?\*/ s/[ \t]+$//'
run on all *.[ch] files within cairo, (though I manually excluded
src/cairo-atsui-font.c which has a code line that appears as a comment
to this script).
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This patch was produced with the following (GNU) sed script:
sed -i -r -e 's/^[ \t]+$//'
run on all *.[ch] files within cairo.
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This solves the problem with the previous commit that made strings
longer than the "standard" 65k implementation limit for strings.
It's achieved by removing the line-wrapping from the base85 stream and
instead adding a new string-array stream between the base85 stream and
the output stream (the string-array stream does the line wrapping and
enforces the 65k characters per string limit).
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The cairo_output_stream_t object already had an internal status value,
but it was annoyingly returning status values from various functions.
It also was missing proper shutdown-on-error as well as nil-create
semantics.
This fixes those shortcomings and adjusts all callers for the new
semantics, (leading to simpler and more correct calling
code---particularly in the case of cairo-base85-stream.c).
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function.
Now _cairo_output_stream_create accepts a new close callback, (which
the base85 stream uses to write its trailer). This eliminates the
former kludge used to fclose the stdio output streams, and required a
bit of touchup to the pdf, ps, and svg-surface usage of streams.
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