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doc-rst:c-domain: ref-name of a function declaration

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Add option 'name' to the "c:function:" directive.  With option 'name'
the ref-name of a function can be modified. E.g.::

    .. c:function:: int ioctl( int fd, int request )
       :name: VIDIOC_LOG_STATUS

The func-name (e.g. ioctl) remains in the output but the ref-name
changed from ``ioctl`` to ``VIDIOC_LOG_STATUS``. The index entry for
this function is also changed to ``VIDIOC_LOG_STATUS`` and the function
can now referenced by::

    :c:func:`VIDIOC_LOG_STATUS`

Signed-off-by: Markus Heiser <markus.heiser@darmarIT.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Markus Heiser
2016-08-15 16:08:25 +02:00
committed by Jonathan Corbet
parent e8f5c617f2
commit 2c645cd7c4
2 changed files with 60 additions and 0 deletions
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29
Documentation/kernel-documentation.rst
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@@ -107,6 +107,35 @@ Here are some specific guidelines for the kernel documentation:
the order as encountered."), having the higher levels the same overall makes
it easier to follow the documents.
the C domain
------------
The `Sphinx C Domain`_ (name c) is suited for documentation of C API. E.g. a
function prototype:
.. code-block:: rst
.. c:function:: int ioctl( int fd, int request )
The C domain of the kernel-doc has some additional features. E.g. you can
*rename* the reference name of a function with a common name like ``open`` or
``ioctl``:
.. code-block:: rst
.. c:function:: int ioctl( int fd, int request )
:name: VIDIOC_LOG_STATUS
The func-name (e.g. ioctl) remains in the output but the ref-name changed from
``ioctl`` to ``VIDIOC_LOG_STATUS``. The index entry for this function is also
changed to ``VIDIOC_LOG_STATUS`` and the function can now referenced by:
.. code-block:: rst
:c:func:`VIDIOC_LOG_STATUS`
list tables
-----------