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2017-08-10Skip sourcepos tracking if disabledYuki Izumi
2017-08-10Fix inlines spanning newlines, text in non-paraYuki Izumi
2017-08-09--smart: open quote can never occur right after `]` or `)`.John MacFarlane
Closes #227.
2017-08-09Add sourcepos info for inlinesYuki Izumi
2017-08-03Reformat source code with 'make format'Nguyễn Thái Ngọc Duy
2017-08-01Advertise --validate-utf8 in usage informationNguyễn Thái Ngọc Duy
This option was added in 04726a7 (Added `CMARK_OPT_VALIDATE_UTF8` option. - 2015-06-16) but not "documented".
2017-07-17Fix URL scanner.Yuki Izumi
2017-07-13Reverted mistaken fix to #193.John MacFarlane
Commit 14ea489f5dd6e3d07e23f104d6c9ce441d05751b
2017-07-12> 32 nested balanced parens in a link is bananasYuki Izumi
2017-07-11Merge pull request #213 from github/upstream/undefined-shiftJohn MacFarlane
Use unsigned integer when shifting
2017-07-11Use unsigned integer when shiftingPhil Turnbull
A UBSAN warning can be triggered when handling a long sequence of backticks: src/commonmark.c:98:20: runtime error: left shift of 1 by 31 places cannot be represented in type 'int' which can be triggered by: ``` | a | b | | --- | --** `c```````````````````````````````- | | c | `|d` \| e | ```
2017-07-06Avoid memcpy'ing NULL pointersPhil Turnbull
A UBSAN warning can be triggered because the link title is an empty string: src/inlines.c:113:20: runtime error: null pointer passed as argument 2, which is declared to never be null which can be triggered by: ``` [f]:_ [f] ``` The length of the memcpy is zero so the NULL pointer is not dereferenced but it is still undefined behaviour.
2017-06-29DeMorgan simplification of some tests in emphasis parser.John MacFarlane
This also brings the code into closer alignment with the wording of the spec. See jgm/CommonMark#467.
2017-06-29Fixed undefined shift in commonmark writer.John MacFarlane
Closes #211. Found by google/oss-fuzz: https://oss-fuzz.com/v2/testcase-detail/4686992824598528
2017-06-29latex writer: fix memory overflow.John MacFarlane
We got an array overflow in enumerated lists nested more than 10 deep with start number =/= 1. Found by google/oss-fuzz. https://oss-fuzz.com/v2/testcase-detail/5546760854306816 This commit also ensures that we don't try to set `enum_` counters that aren't defined by LaTeX (generally up to enumv). Closes #210.
2017-06-27Check for NULL pointer in get_link_typePhil Turnbull
echo '[](xx:)' | ./build/src/cmark -t latex Segmentation fault: 11
2017-06-27Add Makefile target and harness to fuzz with libFuzzerPhil Turnbull
This can be run locally with `make libFuzzer` but the harness will be integrated into oss-fuzz for large-scale fuzzing.
2017-06-23Reset bytes after UTF8 procYuki Izumi
See https://github.com/jgm/cmark/issues/206.
2017-06-21Don't scan past newline eitherYuki Izumi
2017-06-21Don't scan past an EOLYuki Izumi
2017-06-02Merge pull request #195 from github/revert-194-upstream/remove-normalizeJohn MacFarlane
Revert "Remove normalize as an option per #190"
2017-06-02Document cases where get_ functions return NULL.John MacFarlane
E.g. cmark_node_get_url on a non-link or image. Closes #155.
2017-06-02Properly handle backslashes in link destinations.John MacFarlane
Only ascii punctuation characters are escapable, per the spec. Closes #192.
2017-06-02Fixed bug with unescaped left angle bracket in link destination.John MacFarlane
Closes #193.
2017-06-02Fixed cmark_node_get_list_start to return 0 for bullet lists...John MacFarlane
as documented! Closes #202.
2017-05-30Use CMARK_NO_DELIM for bullet lists. Closes #201.John MacFarlane
2017-05-07Re-add CMARK_OPT_NORMALIZE without effect.Yuki Izumi
2017-05-05Remove normalize as an option per #190 (#194)Yuki Izumi
2017-04-03Fixed code for freeing delimiter stack.John MacFarlane
Note, however, that this may not be needed at all: the old code would have gone into an infinite loop if the delimiter stack were not already freed. If we can prove that the delimiter stack is empty at this point, we could remove this; on the other hand, it may not hurt to keep it here defensively. Closes #189.
2017-04-03Removed abort outside of conditional (typo).John MacFarlane
2017-04-03Removed coercion in error message when aborting from buffer.John MacFarlane
2017-04-03Print message to stderr when we abort due to memory demands.John MacFarlane
Closes #188. @nwellnhof - could you have a look and let me know if you think this is a bad idea or could be improved?
2017-02-05libcmark.pc: use CMAKE_INSTALL_LIBDIR (#185)Jens Petersen
needed for multilib distros like Fedora
2017-01-20Fixed buffer overflow error in S_parser_feed.John MacFarlane
The overflow could occur in the following condition: the buffer ends with `\r` and the next memory address contains `\n`. Closes #184.
2017-01-08Update emphasis parsing for spec change.John MacFarlane
Strong now goes inside Emph rather than the reverse, when both scopes are possible. The code is much simpler. This also avoids a spec inconsistency that cmark had previously: `***hi***` became Strong (Emph "hi")) but `***hi****` became Emph (Strong "hi")) "*"
2017-01-07Fixes for the LaTeX renderer (#182)Doeme
* Don't double-output the link in latex-rendering. * Prevent ligatures in dashes sensibly when rendering latex. \- is a hyphenation, so it doesn't get displayed at all. * Redo "Don't double-output the link in latex-rendering." This reverts commit 8fb1f1c3c8799628141780ca5fd8d70883c1ec53 and adds the proper solution to the problem. With commit 8fb1f1c3c double rendering is fixed, but the url isn't escaped anymore, so I discarded the wrong copy. We now return 0 from the function in case of a single link, which stops processing the contents of the node. * Add a comment about the double-rendering issue addressed in 1c0d4749451cf85a849a3cf8e41cf137789821d4
2017-01-06Merge pull request #179 from winterheart/cmakeJohn MacFarlane
CMake impovement
2017-01-06Make shared and static libraries optionalAzamat H. Hackimov
Now you can enable/disable compilation and installation targets for shared and static libraries via -DCMARK_SHARED=ON/OFF and -DCMARK_STATIC=ON/OFF
2017-01-06Added support for built-in ${LIB_SUFFIX} featureAzamat H. Hackimov
Replaced ${LIB_INSTALL_DIR} option with built-in ${LIB_SUFFIX} for installing for 32/64-bit systems. Normally, CMake will set ${LIB_SUFFIX} automatically for required enviroment. If you have any issues with it, you can override this option with -DLIB_SUFFIX=64 or -DLIB_SUFFIX="" during configuration.
2017-01-05Automatic code reformatting.John MacFarlane
2017-01-05Added a test for NULL when freeing subj->last_delim.John MacFarlane
Noticed the need for this through fuzzing.
2017-01-05Cleaned up setting of lower bounds for openers.John MacFarlane
We now use a much smaller array.
2017-01-03Fixes #178, quadratic parsing bug.John MacFarlane
2017-01-03Slight improvement of clarity of logic in emph matching.John MacFarlane
2017-01-03Revert "More sourcepos! (#169)"John MacFarlane
This reverts commit 9e643720ec903f3b448bd2589a0c02c2514805ae.
2017-01-03Revert "Change types for source map offsets (#174)"John MacFarlane
This reverts commit 4fbe344df43ed7f60a3d3a53981088334cb709fc.
2017-01-03Fix "multiple of 3" determination in emph/strong parsing.John MacFarlane
We need to store the length of the original delimiter run, instead of using the length of the remaining delimiters after some have been subtracted. Test case: a***b* c* Thanks to Raph Levin for reporting.
2016-12-30Change types for source map offsets (#174)Nick Wellnhofer
* Improve strbuf guarantees Introduce BUFSIZE_MAX macro and make sure that the strbuf implementation can handle strings up to this size. * Abort early if document size exceeds internal limit * Change types for source map offsets Switch to size_t for the public API, making the public headers C89-compatible again. Switch to bufsize_t internally, reducing memory usage and improving performance on 32-bit platforms. * Make parser return NULL on internal index overflow Make S_parser_feed set an error and ignore subsequent chunks if the total input document size exceeds an internal limit. Make cmark_parser_finish return NULL if an error was encountered. Add public API functions to retrieve error code and error message. strbuf overflow in renderers and OOM in parser or renderers still cause an abort.
2016-12-20More sourcepos! (#169)Mathieu Duponchelle
* open_new_blocks: always create child before advancing offset * Source map * Extent's typology * In-depth python bindings
2016-12-09Correctly initialize chunk in S_process_line (#170)Nick Wellnhofer
The `alloc` member wasn't initialized. This also allows to add an assertion in `chunk_rtrim` which doesn't work for alloced chunks.