mirror of
https://github.com/python/cpython
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caa6380886
use the new names exclusively, and the linker will see the new names. Files that import "Python.h" also only see the new names. Files that import "allobjects.h" will continue to be able to use the old names, due to the inclusion (in allobjects.h) of "rename2.h".
56 lines
2 KiB
C
56 lines
2 KiB
C
#ifndef Py_BITSET_H
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#define Py_BITSET_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***********************************************************
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Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Bitset interface */
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#define BYTE char
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typedef BYTE *bitset;
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bitset newbitset Py_PROTO((int nbits));
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void delbitset Py_PROTO((bitset bs));
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#define testbit(ss, ibit) (((ss)[BIT2BYTE(ibit)] & BIT2MASK(ibit)) != 0)
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int addbit Py_PROTO((bitset bs, int ibit)); /* Returns 0 if already set */
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int samebitset Py_PROTO((bitset bs1, bitset bs2, int nbits));
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void mergebitset Py_PROTO((bitset bs1, bitset bs2, int nbits));
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#define BITSPERBYTE (8*sizeof(BYTE))
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#define NBYTES(nbits) (((nbits) + BITSPERBYTE - 1) / BITSPERBYTE)
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#define BIT2BYTE(ibit) ((ibit) / BITSPERBYTE)
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#define BIT2SHIFT(ibit) ((ibit) % BITSPERBYTE)
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#define BIT2MASK(ibit) (1 << BIT2SHIFT(ibit))
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#define BYTE2BIT(ibyte) ((ibyte) * BITSPERBYTE)
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_BITSET_H */
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