| #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 |
