1 2 /* Integer object interface */ 3 4 /* 5 PyIntObject represents a (long) integer. This is an immutable object; 6 an integer cannot change its value after creation. 7 8 There are functions to create new integer objects, to test an object 9 for integer-ness, and to get the integer value. The latter functions 10 returns -1 and sets errno to EBADF if the object is not an PyIntObject. 11 None of the functions should be applied to nil objects. 12 13 The type PyIntObject is (unfortunately) exposed here so we can declare 14 _Py_TrueStruct and _Py_ZeroStruct in boolobject.h; don't use this. 15 */ 16 17 #ifndef Py_INTOBJECT_H 18 #define Py_INTOBJECT_H 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 typedef struct { 24 PyObject_HEAD 25 long ob_ival; 26 } PyIntObject; 27 28 PyAPI_DATA(PyTypeObject) PyInt_Type; 29 30 #define PyInt_Check(op) \ 31 PyType_FastSubclass((op)->ob_type, Py_TPFLAGS_INT_SUBCLASS) 32 #define PyInt_CheckExact(op) ((op)->ob_type == &PyInt_Type) 33 34 PyAPI_FUNC(PyObject *) PyInt_FromString(char*, char**, int); 35 #ifdef Py_USING_UNICODE 36 PyAPI_FUNC(PyObject *) PyInt_FromUnicode(Py_UNICODE*, Py_ssize_t, int); 37 #endif 38 PyAPI_FUNC(PyObject *) PyInt_FromLong(long); 39 PyAPI_FUNC(PyObject *) PyInt_FromSize_t(size_t); 40 PyAPI_FUNC(PyObject *) PyInt_FromSsize_t(Py_ssize_t); 41 PyAPI_FUNC(long) PyInt_AsLong(PyObject *); 42 PyAPI_FUNC(Py_ssize_t) PyInt_AsSsize_t(PyObject *); 43 PyAPI_FUNC(unsigned long) PyInt_AsUnsignedLongMask(PyObject *); 44 #ifdef HAVE_LONG_LONG 45 PyAPI_FUNC(unsigned PY_LONG_LONG) PyInt_AsUnsignedLongLongMask(PyObject *); 46 #endif 47 48 PyAPI_FUNC(long) PyInt_GetMax(void); 49 50 /* Macro, trading safety for speed */ 51 #define PyInt_AS_LONG(op) (((PyIntObject *)(op))->ob_ival) 52 53 /* These aren't really part of the Int object, but they're handy; the protos 54 * are necessary for systems that need the magic of PyAPI_FUNC and that want 55 * to have stropmodule as a dynamically loaded module instead of building it 56 * into the main Python shared library/DLL. Guido thinks I'm weird for 57 * building it this way. :-) [cjh] 58 */ 59 PyAPI_FUNC(unsigned long) PyOS_strtoul(char *, char **, int); 60 PyAPI_FUNC(long) PyOS_strtol(char *, char **, int); 61 62 /* free list api */ 63 PyAPI_FUNC(int) PyInt_ClearFreeList(void); 64 65 /* Convert an integer to the given base. Returns a string. 66 If base is 2, 8 or 16, add the proper prefix '0b', '0o' or '0x'. 67 If newstyle is zero, then use the pre-2.6 behavior of octal having 68 a leading "0" */ 69 PyAPI_FUNC(PyObject*) _PyInt_Format(PyIntObject* v, int base, int newstyle); 70 71 /* Format the object based on the format_spec, as defined in PEP 3101 72 (Advanced String Formatting). */ 73 PyAPI_FUNC(PyObject *) _PyInt_FormatAdvanced(PyObject *obj, 74 char *format_spec, 75 Py_ssize_t format_spec_len); 76 77 #ifdef __cplusplus 78 } 79 #endif 80 #endif /* !Py_INTOBJECT_H */ 81
