39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
|
#ifndef Py_CPYTHON_BYTEARRAYOBJECT_H
|
||
|
|
# error "this header file must not be included directly"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Object layout */
|
||
|
|
typedef struct {
|
||
|
|
PyObject_VAR_HEAD
|
||
|
|
Py_ssize_t ob_alloc; /* How many bytes allocated in ob_bytes */
|
||
|
|
char *ob_bytes; /* Physical backing buffer */
|
||
|
|
char *ob_start; /* Logical start inside ob_bytes */
|
||
|
|
Py_ssize_t ob_exports; /* How many buffer exports */
|
||
|
|
} PyByteArrayObject;
|
||
|
|
|
||
|
|
PyAPI_DATA(char) _PyByteArray_empty_string[];
|
||
|
|
|
||
|
|
/* 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)
|
||
|
|
{
|
||
|
|
PyByteArrayObject *self = _PyByteArray_CAST(op);
|
||
|
|
if (Py_SIZE(self)) {
|
||
|
|
return self->ob_start;
|
||
|
|
}
|
||
|
|
return _PyByteArray_empty_string;
|
||
|
|
}
|
||
|
|
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
|
||
|
|
# define PyByteArray_AS_STRING(self) PyByteArray_AS_STRING(_PyObject_CAST(self))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline Py_ssize_t PyByteArray_GET_SIZE(PyObject *op) {
|
||
|
|
PyByteArrayObject *self = _PyByteArray_CAST(op);
|
||
|
|
return Py_SIZE(self);
|
||
|
|
}
|
||
|
|
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
|
||
|
|
# define PyByteArray_GET_SIZE(self) PyByteArray_GET_SIZE(_PyObject_CAST(self))
|
||
|
|
#endif
|