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/************************************************************************/
/* */
/* Property mask operations. */
/* */
/************************************************************************/
# ifndef UTIL_PROP_MASK_H
# define UTIL_PROP_MASK_H
# define PROPmaskSIZE 8
# define PROPmaskMAXPROPS (8*(PROPmaskSIZE))
typedef struct PropertyMask
{
unsigned char pmBits[PROPmaskSIZE];
} PropertyMask;
# define PROPmaskCLEAR( pm ) \
memset( (pm)->pmBits, 0, PROPmaskSIZE )
# define PROPmaskADD( pm, v ) \
(pm)->pmBits[(v)/8] |= (1<<((v)%8))
# define PROPmaskUNSET( pm, v ) \
(pm)->pmBits[(v)/8] &= ~(1<<((v)%8))
# define PROPmaskISSET( pm, v ) \
( (pm)->pmBits[(v)/8] & (1<<((v)%8)) ) != 0
# define PROPmaskFILL( pm, c ) utilPropMaskFill( pm, c )
# define PROPmaskISEMPTY( pm ) utilPropMaskIsEmpty( pm )
extern void utilPropMaskFill( PropertyMask * pm,
int c );
extern int utilPropMaskIsEmpty( const PropertyMask * pm );
extern void utilPropMaskAnd( PropertyMask * pm0,
const PropertyMask * pm1,
const PropertyMask * pm2 );
extern void utilPropMaskOr( PropertyMask * pm0,
const PropertyMask * pm1,
const PropertyMask * pm2 );
extern void utilPropMaskNot( PropertyMask * pm0,
const PropertyMask * pm1 );
# endif /* UTIL_PROP_MASK_H */
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