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#3560: cleanup C memoryview API

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This commit is contained in:
Antoine Pitrou 2008-08-19 18:22:14 +00:00
parent fd036451bf
commit ee58fa484e
5 changed files with 30 additions and 18 deletions
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32
Include/memoryobject.h
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@ -1,5 +1,4 @@
/* Memory object interface */
/* Memory view object. In Python this is available as "memoryview". */
#ifndef Py_MEMORYOBJECT_H
#define Py_MEMORYOBJECT_H
@ -7,19 +6,15 @@
extern "C" {
#endif
typedef struct {
PyObject_HEAD
PyObject *base;
Py_buffer view;
} PyMemoryViewObject;
PyAPI_DATA(PyTypeObject) PyMemoryView_Type;
#define PyMemory_Check(op) (Py_TYPE(op) == &PyMemoryView_Type)
#define PyMemoryView(op) (((PyMemoryViewObject *)(op))->view)
#define PyMemoryView_Check(op) (Py_TYPE(op) == &PyMemoryView_Type)
/* Get a pointer to the underlying Py_buffer of a memoryview object. */
#define PyMemoryView_GET_BUFFER(op) (&((PyMemoryViewObject *)(op))->view)
/* Get a pointer to the PyObject from which originates a memoryview object. */
#define PyMemoryView_GET_BASE(op) (((PyMemoryViewObject *)(op))->view.obj)
#define Py_END_OF_MEMORY (-1)
PyAPI_FUNC(PyObject *) PyMemoryView_GetContiguous(PyObject *base,
int buffertype,
@ -58,10 +53,21 @@ PyAPI_FUNC(PyObject *) PyMemoryView_GetContiguous(PyObject *base,
PyAPI_FUNC(PyObject *) PyMemoryView_FromObject(PyObject *base);
PyAPI_FUNC(PyObject *) PyMemoryView_FromMemory(Py_buffer *info);
PyAPI_FUNC(PyObject *) PyMemoryView_FromBuffer(Py_buffer *info);
/* create new if bufptr is NULL
will be a new bytesobject in base */
/* The struct is declared here so that macros can work, but it shouldn't
be considered public. Don't access those fields directly, use the macros
and functions instead! */
typedef struct {
PyObject_HEAD
PyObject *base;
Py_buffer view;
} PyMemoryViewObject;
#ifdef __cplusplus
}
#endif