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