cpython/Include/bitset.h
Pablo Galindo f2cf1e3e28
bpo-36623: Clean parser headers and include files (GH-12253)
After the removal of pgen, multiple header and function prototypes that lack implementation or are unused are still lying around.
2019-04-13 17:05:14 +01:00

24 lines
468 B
C

#ifndef Py_BITSET_H
#define Py_BITSET_H
#ifdef __cplusplus
extern "C" {
#endif
/* Bitset interface */
#define BYTE char
typedef BYTE *bitset;
#define testbit(ss, ibit) (((ss)[BIT2BYTE(ibit)] & BIT2MASK(ibit)) != 0)
#define BITSPERBYTE (8*sizeof(BYTE))
#define BIT2BYTE(ibit) ((ibit) / BITSPERBYTE)
#define BIT2SHIFT(ibit) ((ibit) % BITSPERBYTE)
#define BIT2MASK(ibit) (1 << BIT2SHIFT(ibit))
#ifdef __cplusplus
}
#endif
#endif /* !Py_BITSET_H */