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cpython/Include/boolobject.h
Brett Cannon 4b17e3993b Modify the Py_RETURN_* macros to be of the form `do {...} while (0)` in order
to handle situations like ``if (foo) Py_RETURN_NONE else ...``.
2003-10-19 22:58:11 +00:00

37 lines
946 B
C

/* Boolean object interface */
#ifndef Py_BOOLOBJECT_H
#define Py_BOOLOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
typedef PyIntObject PyBoolObject;
PyAPI_DATA(PyTypeObject) PyBool_Type;
#define PyBool_Check(x) ((x)->ob_type == &PyBool_Type)
/* Py_False and Py_True are the only two bools in existence.
Don't forget to apply Py_INCREF() when returning either!!! */
/* Don't use these directly */
PyAPI_DATA(PyIntObject) _Py_ZeroStruct, _Py_TrueStruct;
/* Use these macros */
#define Py_False ((PyObject *) &_Py_ZeroStruct)
#define Py_True ((PyObject *) &_Py_TrueStruct)
/* Macros for returning Py_True or Py_False, respectively */
#define Py_RETURN_TRUE do {Py_INCREF(Py_True); return Py_True;} while (0)
#define Py_RETURN_FALSE do {Py_INCREF(Py_False); return Py_False;} while (0)
/* Function to return a bool from a C long */
PyAPI_FUNC(PyObject *) PyBool_FromLong(long);
#ifdef __cplusplus
}
#endif
#endif /* !Py_BOOLOBJECT_H */