| Victor Stinner | 98921ae | 2020-02-12 23:54:31 +0100 | [diff] [blame] | 1 | #ifndef Py_CPYTHON_BYTEARRAYOBJECT_H |
| 2 | # error "this header file must not be included directly" |
| 3 | #endif |
| 4 | |
| 5 | /* Object layout */ |
| 6 | typedef struct { |
| 7 | PyObject_VAR_HEAD |
| 8 | Py_ssize_t ob_alloc; /* How many bytes allocated in ob_bytes */ |
| 9 | char *ob_bytes; /* Physical backing buffer */ |
| 10 | char *ob_start; /* Logical start inside ob_bytes */ |
| 11 | Py_ssize_t ob_exports; /* How many buffer exports */ |
| 12 | } PyByteArrayObject; |
| 13 | |
| 14 | /* Macros, trading safety for speed */ |
| 15 | #define PyByteArray_AS_STRING(self) \ |
| 16 | (assert(PyByteArray_Check(self)), \ |
| 17 | Py_SIZE(self) ? ((PyByteArrayObject *)(self))->ob_start : _PyByteArray_empty_string) |
| 18 | #define PyByteArray_GET_SIZE(self) (assert(PyByteArray_Check(self)), Py_SIZE(self)) |
| 19 | |
| 20 | PyAPI_DATA(char) _PyByteArray_empty_string[]; |