diff options
Diffstat (limited to 'Doc/c-api/buffer.rst')
| -rw-r--r-- | Doc/c-api/buffer.rst | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/Doc/c-api/buffer.rst b/Doc/c-api/buffer.rst index ddb28af..e327193 100644 --- a/Doc/c-api/buffer.rst +++ b/Doc/c-api/buffer.rst @@ -89,7 +89,7 @@ a buffer, see :c:func:`PyObject_GetBuffer`. .. c:type:: Py_buffer - .. c:member:: void \*buf + .. c:member:: void *buf A pointer to the start of the logical structure described by the buffer fields. This can be any location within the underlying physical memory @@ -99,7 +99,7 @@ a buffer, see :c:func:`PyObject_GetBuffer`. For :term:`contiguous` arrays, the value points to the beginning of the memory block. - .. c:member:: void \*obj + .. c:member:: void *obj A new reference to the exporting object. The reference is owned by the consumer and automatically decremented and set to ``NULL`` by @@ -145,7 +145,7 @@ a buffer, see :c:func:`PyObject_GetBuffer`. or a :c:macro:`PyBUF_WRITABLE` request, the consumer must disregard :c:member:`~Py_buffer.itemsize` and assume ``itemsize == 1``. - .. c:member:: const char \*format + .. c:member:: const char *format A *NUL* terminated string in :mod:`struct` module style syntax describing the contents of a single item. If this is ``NULL``, ``"B"`` (unsigned bytes) @@ -164,7 +164,7 @@ a buffer, see :c:func:`PyObject_GetBuffer`. to 64. Exporters MUST respect this limit, consumers of multi-dimensional buffers SHOULD be able to handle up to :c:macro:`PyBUF_MAX_NDIM` dimensions. - .. c:member:: Py_ssize_t \*shape + .. c:member:: Py_ssize_t *shape An array of :c:type:`Py_ssize_t` of length :c:member:`~Py_buffer.ndim` indicating the shape of the memory as an n-dimensional array. Note that @@ -177,7 +177,7 @@ a buffer, see :c:func:`PyObject_GetBuffer`. The shape array is read-only for the consumer. - .. c:member:: Py_ssize_t \*strides + .. c:member:: Py_ssize_t *strides An array of :c:type:`Py_ssize_t` of length :c:member:`~Py_buffer.ndim` giving the number of bytes to skip to get to a new element in each @@ -189,7 +189,7 @@ a buffer, see :c:func:`PyObject_GetBuffer`. The strides array is read-only for the consumer. - .. c:member:: Py_ssize_t \*suboffsets + .. c:member:: Py_ssize_t *suboffsets An array of :c:type:`Py_ssize_t` of length :c:member:`~Py_buffer.ndim`. If ``suboffsets[n] >= 0``, the values stored along the nth dimension are @@ -207,7 +207,7 @@ a buffer, see :c:func:`PyObject_GetBuffer`. The suboffsets array is read-only for the consumer. - .. c:member:: void \*internal + .. c:member:: void *internal This is for use internally by the exporting object. For example, this might be re-cast as an integer by the exporter and used to store flags @@ -438,12 +438,12 @@ Buffer-related functions Send a request to *exporter* to fill in *view* as specified by *flags*. If the exporter cannot provide a buffer of the exact type, it MUST raise - :c:data:`PyExc_BufferError`, set :c:member:`view->obj` to ``NULL`` and + :c:data:`PyExc_BufferError`, set ``view->obj`` to ``NULL`` and return ``-1``. - On success, fill in *view*, set :c:member:`view->obj` to a new reference + On success, fill in *view*, set ``view->obj`` to a new reference to *exporter* and return 0. In the case of chained buffer providers - that redirect requests to a single object, :c:member:`view->obj` MAY + that redirect requests to a single object, ``view->obj`` MAY refer to this object instead of *exporter* (See :ref:`Buffer Object Structures <buffer-structs>`). Successful calls to :c:func:`PyObject_GetBuffer` must be paired with calls @@ -455,7 +455,7 @@ Buffer-related functions .. c:function:: void PyBuffer_Release(Py_buffer *view) Release the buffer *view* and decrement the reference count for - :c:member:`view->obj`. This function MUST be called when the buffer + ``view->obj``. This function MUST be called when the buffer is no longer being used, otherwise reference leaks may occur. It is an error to call this function on a buffer that was not obtained via @@ -516,9 +516,9 @@ Buffer-related functions *view* as specified by flags, unless *buf* has been designated as read-only and :c:macro:`PyBUF_WRITABLE` is set in *flags*. - On success, set :c:member:`view->obj` to a new reference to *exporter* and + On success, set ``view->obj`` to a new reference to *exporter* and return 0. Otherwise, raise :c:data:`PyExc_BufferError`, set - :c:member:`view->obj` to ``NULL`` and return ``-1``; + ``view->obj`` to ``NULL`` and return ``-1``; If this function is used as part of a :ref:`getbufferproc <buffer-structs>`, *exporter* MUST be set to the exporting object and *flags* must be passed |