blob: 1edd082074206cfcf220461c28e0346200ee3955 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
#ifndef Py_CPYTHON_BYTEARRAYOBJECT_H
# error "this header file must not be included directly"
#endif
/* Object layout */
typedef struct {
PyObject_VAR_HEAD
/* How many bytes allocated in ob_bytes
In the current implementation this is equivalent to Py_SIZE(ob_bytes_object).
The value is always loaded and stored atomically for thread safety.
There are API compatibilty concerns with removing so keeping for now. */
Py_ssize_t ob_alloc;
char *ob_bytes; /* Physical backing buffer */
char *ob_start; /* Logical start inside ob_bytes */
Py_ssize_t ob_exports; /* How many buffer exports */
PyObject *ob_bytes_object; /* PyBytes for zero-copy bytes conversion */
} PyByteArrayObject;
/* Macros and static inline functions, trading safety for speed */
#define _PyByteArray_CAST(op) \
(assert(PyByteArray_Check(op)), _Py_CAST(PyByteArrayObject*, op))
static inline char* PyByteArray_AS_STRING(PyObject *op)
{
return _PyByteArray_CAST(op)->ob_start;
}
#define PyByteArray_AS_STRING(self) PyByteArray_AS_STRING(_PyObject_CAST(self))
static inline Py_ssize_t PyByteArray_GET_SIZE(PyObject *op) {
PyByteArrayObject *self = _PyByteArray_CAST(op);
#ifdef Py_GIL_DISABLED
return _Py_atomic_load_ssize_relaxed(&(_PyVarObject_CAST(self)->ob_size));
#else
return Py_SIZE(self);
#endif
}
#define PyByteArray_GET_SIZE(self) PyByteArray_GET_SIZE(_PyObject_CAST(self))
|
