Staging
v0.5.1
https://github.com/python/cpython
Revision 9d865c96506da85fd4b5622ad26491918c7c529e authored by Amaury Forgeot d'Arc on 12 June 2008, 22:27:27 UTC, committed by Amaury Forgeot d'Arc on 12 June 2008, 22:27:27 UTC
(Alexandre, the MSVC build files are in PCBuild.
the PC/Vxxx directories try to support older compilers)
1 parent 9f0f960
Raw File
Tip revision: 9d865c96506da85fd4b5622ad26491918c7c529e authored by Amaury Forgeot d'Arc on 12 June 2008, 22:27:27 UTC
On Windows, repair compilation of builtin modules _stringio and _pickle.
Tip revision: 9d865c9
bitset.h

#ifndef Py_BITSET_H
#define Py_BITSET_H
#ifdef __cplusplus
extern "C" {
#endif

/* Bitset interface */

#define BYTE		char

typedef BYTE *bitset;

bitset newbitset(int nbits);
void delbitset(bitset bs);
#define testbit(ss, ibit) (((ss)[BIT2BYTE(ibit)] & BIT2MASK(ibit)) != 0)
int addbit(bitset bs, int ibit); /* Returns 0 if already set */
int samebitset(bitset bs1, bitset bs2, int nbits);
void mergebitset(bitset bs1, bitset bs2, int nbits);

#define BITSPERBYTE	(8*sizeof(BYTE))
#define NBYTES(nbits)	(((nbits) + BITSPERBYTE - 1) / BITSPERBYTE)

#define BIT2BYTE(ibit)	((ibit) / BITSPERBYTE)
#define BIT2SHIFT(ibit)	((ibit) % BITSPERBYTE)
#define BIT2MASK(ibit)	(1 << BIT2SHIFT(ibit))
#define BYTE2BIT(ibyte)	((ibyte) * BITSPERBYTE)

#ifdef __cplusplus
}
#endif
#endif /* !Py_BITSET_H */
back to top