#ifndef Py_LONGOBJECT_H #define Py_LONGOBJECT_H #ifdef __cplusplus extern "C" { #endif /* Long (arbitrary precision) integer object interface */ typedef struct _longobject PyLongObject; /* Revealed in longintrepr.h */ extern DL_IMPORT(PyTypeObject) PyLong_Type; #define PyLong_Check(op) ((op)->ob_type == &PyLong_Type) extern DL_IMPORT(PyObject *) PyLong_FromLong(long); extern DL_IMPORT(PyObject *) PyLong_FromUnsignedLong(unsigned long); extern DL_IMPORT(PyObject *) PyLong_FromDouble(double); extern DL_IMPORT(long) PyLong_AsLong(PyObject *); extern DL_IMPORT(unsigned long) PyLong_AsUnsignedLong(PyObject *); extern DL_IMPORT(double) PyLong_AsDouble(PyObject *); extern DL_IMPORT(PyObject *) PyLong_FromVoidPtr(void *); extern DL_IMPORT(void *) PyLong_AsVoidPtr(PyObject *); #ifdef HAVE_LONG_LONG /* Hopefully this is portable... */ #ifndef ULONG_MAX #define ULONG_MAX 4294967295U #endif #ifndef LONGLONG_MAX #define LONGLONG_MAX 9223372036854775807LL #endif #ifndef ULONGLONG_MAX #define ULONGLONG_MAX 0xffffffffffffffffULL #endif extern DL_IMPORT(PyObject *) PyLong_FromLongLong(LONG_LONG); extern DL_IMPORT(PyObject *) PyLong_FromUnsignedLongLong(unsigned LONG_LONG); extern DL_IMPORT(LONG_LONG) PyLong_AsLongLong(PyObject *); extern DL_IMPORT(unsigned LONG_LONG) PyLong_AsUnsignedLongLong(PyObject *); #endif /* HAVE_LONG_LONG */ DL_IMPORT(PyObject *) PyLong_FromString(char *, char **, int); #ifdef Py_USING_UNICODE DL_IMPORT(PyObject *) PyLong_FromUnicode(Py_UNICODE*, int, int); #endif /* _PyLong_FromByteArray: View the n unsigned bytes as a binary integer in base 256, and return a Python long with the same numeric value. If n is 0, the integer is 0. Else: If little_endian is 1/true, bytes[n-1] is the MSB and bytes[0] the LSB; else (little_endian is 0/false) bytes[0] is the MSB and bytes[n-1] the LSB. If is_signed is 0/false, view the bytes as a non-negative integer. If is_signed is 1/true, view the bytes as a 2's-complement integer, non-negative if bit 0x80 of the MSB is clear, negative if set. Error returns: + Return NULL with the appropriate exception set if there's not enough memory to create the Python long. */ extern DL_IMPORT(PyObject *) _PyLong_FromByteArray( const unsigned char* bytes, size_t n, int little_endian, int is_signed); /* _PyLong_AsByteArray: Convert the least-significant 8*n bits of long v to a base-256 integer, stored in array bytes. Normally return 0, return -1 on error. If little_endian is 1/true, store the MSB at bytes[n-1] and the LSB at bytes[0]; else (little_endian is 0/false) store the MSB at bytes[0] and the LSB at bytes[n-1]. If is_signed is 0/false, it's an error if v < 0; else (v >= 0) n bytes are filled and there's nothing special about bit 0x80 of the MSB. If is_signed is 1/true, bytes is filled with the 2's-complement representation of v's value. Bit 0x80 of the MSB is the sign bit. Error returns (-1): + is_signed is 0 and v < 0. TypeError is set in this case, and bytes isn't altered. + n isn't big enough to hold the full mathematical value of v. For example, if is_signed is 0 and there are more digits in the v than fit in n; or if is_signed is 1, v < 0, and n is just 1 bit shy of being large enough to hold a sign bit. OverflowError is set in this case, but bytes holds the least-signficant n bytes of the true value. */ extern DL_IMPORT(int) _PyLong_AsByteArray(PyLongObject* v, unsigned char* bytes, size_t n, int little_endian, int is_signed); #ifdef __cplusplus } #endif #endif /* !Py_LONGOBJECT_H */