Chris@87: /* ByteArray object interface */
Chris@87: 
Chris@87: #ifndef Py_BYTEARRAYOBJECT_H
Chris@87: #define Py_BYTEARRAYOBJECT_H
Chris@87: #ifdef __cplusplus
Chris@87: extern "C" {
Chris@87: #endif
Chris@87: 
Chris@87: #include <stdarg.h>
Chris@87: 
Chris@87: /* Type PyByteArrayObject represents a mutable array of bytes.
Chris@87:  * The Python API is that of a sequence;
Chris@87:  * the bytes are mapped to ints in [0, 256).
Chris@87:  * Bytes are not characters; they may be used to encode characters.
Chris@87:  * The only way to go between bytes and str/unicode is via encoding
Chris@87:  * and decoding.
Chris@87:  * For the convenience of C programmers, the bytes type is considered
Chris@87:  * to contain a char pointer, not an unsigned char pointer.
Chris@87:  */
Chris@87: 
Chris@87: /* Object layout */
Chris@87: typedef struct {
Chris@87:     PyObject_VAR_HEAD
Chris@87:     /* XXX(nnorwitz): should ob_exports be Py_ssize_t? */
Chris@87:     int ob_exports; /* how many buffer exports */
Chris@87:     Py_ssize_t ob_alloc; /* How many bytes allocated */
Chris@87:     char *ob_bytes;
Chris@87: } PyByteArrayObject;
Chris@87: 
Chris@87: /* Type object */
Chris@87: PyAPI_DATA(PyTypeObject) PyByteArray_Type;
Chris@87: PyAPI_DATA(PyTypeObject) PyByteArrayIter_Type;
Chris@87: 
Chris@87: /* Type check macros */
Chris@87: #define PyByteArray_Check(self) PyObject_TypeCheck(self, &PyByteArray_Type)
Chris@87: #define PyByteArray_CheckExact(self) (Py_TYPE(self) == &PyByteArray_Type)
Chris@87: 
Chris@87: /* Direct API functions */
Chris@87: PyAPI_FUNC(PyObject *) PyByteArray_FromObject(PyObject *);
Chris@87: PyAPI_FUNC(PyObject *) PyByteArray_Concat(PyObject *, PyObject *);
Chris@87: PyAPI_FUNC(PyObject *) PyByteArray_FromStringAndSize(const char *, Py_ssize_t);
Chris@87: PyAPI_FUNC(Py_ssize_t) PyByteArray_Size(PyObject *);
Chris@87: PyAPI_FUNC(char *) PyByteArray_AsString(PyObject *);
Chris@87: PyAPI_FUNC(int) PyByteArray_Resize(PyObject *, Py_ssize_t);
Chris@87: 
Chris@87: /* Macros, trading safety for speed */
Chris@87: #define PyByteArray_AS_STRING(self) \
Chris@87:     (assert(PyByteArray_Check(self)), \
Chris@87:      Py_SIZE(self) ? ((PyByteArrayObject *)(self))->ob_bytes : _PyByteArray_empty_string)
Chris@87: #define PyByteArray_GET_SIZE(self)  (assert(PyByteArray_Check(self)),Py_SIZE(self))
Chris@87: 
Chris@87: PyAPI_DATA(char) _PyByteArray_empty_string[];
Chris@87: 
Chris@87: #ifdef __cplusplus
Chris@87: }
Chris@87: #endif
Chris@87: #endif /* !Py_BYTEARRAYOBJECT_H */