/src/cpython-install/include/python3.15/cpython/memoryobject.h

Source (jump to first uncovered line)
#ifndef Py_CPYTHON_MEMORYOBJECT_H
#  error "this header file must not be included directly"
#endif

/* The structs are declared here so that macros can work, but they shouldn't
   be considered public. Don't access their fields directly, use the macros
   and functions instead! */
#define _Py_MANAGED_BUFFER_RELEASED    0x001  /* access to exporter blocked */
#define _Py_MANAGED_BUFFER_FREE_FORMAT 0x002  /* free format */

typedef struct {
    PyObject_HEAD
    int flags;          /* state flags */
    Py_ssize_t exports; /* number of direct memoryview exports */
    Py_buffer master; /* snapshot buffer obtained from the original exporter */
} _PyManagedBufferObject;


/* memoryview state flags */
#define _Py_MEMORYVIEW_RELEASED    0x001  /* access to master buffer blocked */
#define _Py_MEMORYVIEW_C           0x002  /* C-contiguous layout */
#define _Py_MEMORYVIEW_FORTRAN     0x004  /* Fortran contiguous layout */
#define _Py_MEMORYVIEW_SCALAR      0x008  /* scalar: ndim = 0 */
#define _Py_MEMORYVIEW_PIL         0x010  /* PIL-style layout */
#define _Py_MEMORYVIEW_RESTRICTED  0x020  /* Disallow new references to the memoryview's buffer */

typedef struct {
    PyObject_VAR_HEAD
    _PyManagedBufferObject *mbuf; /* managed buffer */
    Py_hash_t hash;               /* hash value for read-only views */
    int flags;                    /* state flags */
    Py_ssize_t exports;           /* number of buffer re-exports */
    Py_buffer view;               /* private copy of the exporter's view */
    PyObject *weakreflist;
    Py_ssize_t ob_array[1];       /* shape, strides, suboffsets */
} PyMemoryViewObject;

#define _PyMemoryView_CAST(op) _Py_CAST(PyMemoryViewObject*, op)

/* Get a pointer to the memoryview's private copy of the exporter's buffer. */
static inline Py_buffer* PyMemoryView_GET_BUFFER(PyObject *op) {
    return (&_PyMemoryView_CAST(op)->view);
}
#define PyMemoryView_GET_BUFFER(op) PyMemoryView_GET_BUFFER(_PyObject_CAST(op))

/* Get a pointer to the exporting object (this may be NULL!). */
static inline PyObject* PyMemoryView_GET_BASE(PyObject *op) {
    return _PyMemoryView_CAST(op)->view.obj;
}
#define PyMemoryView_GET_BASE(op) PyMemoryView_GET_BASE(_PyObject_CAST(op))

Coverage Report

Created: 2025-07-04 06:49

Line	Count	Source (jump to first uncovered line)
1		#ifndef Py_CPYTHON_MEMORYOBJECT_H
2		# error "this header file must not be included directly"
3		#endif
4
5		/* The structs are declared here so that macros can work, but they shouldn't
6		be considered public. Don't access their fields directly, use the macros
7		and functions instead! */
8		#define _Py_MANAGED_BUFFER_RELEASED 0x001 /* access to exporter blocked */
9		#define _Py_MANAGED_BUFFER_FREE_FORMAT 0x002 /* free format */
10
11		typedef struct {
12		PyObject_HEAD
13		int flags; /* state flags */
14		Py_ssize_t exports; /* number of direct memoryview exports */
15		Py_buffer master; /* snapshot buffer obtained from the original exporter */
16		} _PyManagedBufferObject;
17
18
19		/* memoryview state flags */
20		#define _Py_MEMORYVIEW_RELEASED 0x001 /* access to master buffer blocked */
21		#define _Py_MEMORYVIEW_C 0x002 /* C-contiguous layout */
22		#define _Py_MEMORYVIEW_FORTRAN 0x004 /* Fortran contiguous layout */
23		#define _Py_MEMORYVIEW_SCALAR 0x008 /* scalar: ndim = 0 */
24		#define _Py_MEMORYVIEW_PIL 0x010 /* PIL-style layout */
25		#define _Py_MEMORYVIEW_RESTRICTED 0x020 /* Disallow new references to the memoryview's buffer */
26
27		typedef struct {
28		PyObject_VAR_HEAD
29		_PyManagedBufferObject mbuf; / managed buffer */
30		Py_hash_t hash; /* hash value for read-only views */
31		int flags; /* state flags */
32		Py_ssize_t exports; /* number of buffer re-exports */
33		Py_buffer view; /* private copy of the exporter's view */
34		PyObject *weakreflist;
35		Py_ssize_t ob_array[1]; /* shape, strides, suboffsets */
36		} PyMemoryViewObject;
37
38		#define _PyMemoryView_CAST(op) _Py_CAST(PyMemoryViewObject*, op)
39
40		/* Get a pointer to the memoryview's private copy of the exporter's buffer. */
41	0	static inline Py_buffer* PyMemoryView_GET_BUFFER(PyObject *op) {
42	0	return (&_PyMemoryView_CAST(op)->view);
43	0	}
44		#define PyMemoryView_GET_BUFFER(op) PyMemoryView_GET_BUFFER(_PyObject_CAST(op))
45
46		/* Get a pointer to the exporting object (this may be NULL!). */
47	0	static inline PyObject* PyMemoryView_GET_BASE(PyObject *op) {
48	0	return _PyMemoryView_CAST(op)->view.obj;
49	0	}
50		#define PyMemoryView_GET_BASE(op) PyMemoryView_GET_BASE(_PyObject_CAST(op))