Summary:
The memory buffer implements `_buffer.resize` using `realloc`,
making linelog useful for in-memory modifications. For example,
the `smartfixup` extension (D3264203) would use an in-memory
linelog to avoid expensive merge operations and possible merge
conflicts.
Test Plan: `cython2 linelog.pyx`
Reviewers: #mercurial, ttung, rmcelroy
Reviewed By: rmcelroy
Subscribers: mjpieters
Differential Revision: https://phabricator.intern.facebook.com/D3655491
Tasks: 11291522
Signature: t1:3655491:1470402602:891fade362c8e0f6a3af64f1fbdfa0fbf556e68b
Summary:
The thin wrapper defines common APIs like `resize` `flush`, `close`, and
`copyfrom`. Some of them are used in sub-classes. It also handles
`LINELOG_RESULT_ENEEDRESIZE` and raise `LinelogError` for other errors.
Test Plan: `cython2 linelog.pyx`
Reviewers: #mercurial, ttung, rmcelroy
Reviewed By: rmcelroy
Subscribers: mjpieters
Differential Revision: https://phabricator.intern.facebook.com/D3655463
Tasks: 11291522
Signature: t1:3655463:1470402560:75e552ed3d6205ae45812d1cdfe7bc14cfb1eec3
Summary:
`linelog.pyx` is meant to be the CPython wrapper for linelog.
This diff declares types and functions in `linelog.h`.
According to http://docs.cython.org/en/latest/src/userguide/external_C_code.html,
we have to duplicate them as Cython cannot parse `.h` files.
Test Plan: `cython2 linelog.pyx`
Reviewers: #mercurial, ttung, simonfar
Reviewed By: simonfar
Subscribers: simonfar, mjpieters
Differential Revision: https://phabricator.intern.facebook.com/D3655437
Tasks: 11291522
Signature: t1:3655437:1470336663:802ede2b82790a6c901ba0cc76c4f39fcac1e6ac
