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07 April 2024, 05:56:27 UTC
Revision f00703d29438b5f2e9524b04a247167f042a50ef authored by Miss Islington (bot) on 29 October 2018, 05:17:45 UTC, committed by GitHub on 29 October 2018, 05:17:45 UTC 
Fix a possible "double decref" in termios.tcgetattr(). (GH-10194)
 
(cherry picked from commit 53835e92d315340444e3dd083b3f69a590b00e07)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
1 parent 1a3f18e
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Tip revision: f00703d29438b5f2e9524b04a247167f042a50ef authored by Miss Islington (bot) on 29 October 2018, 05:17:45 UTC
Fix a possible "double decref" in termios.tcgetattr(). (GH-10194)
Tip revision: f00703d
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 */
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