ref: 12e226ac6798412271020d42645f69138715c519
dir: /utils/cc/bits.c/
#include "cc.h" Bits bor(Bits a, Bits b) { Bits c; int i; for(i=0; i<BITS; i++) c.b[i] = a.b[i] | b.b[i]; return c; } Bits band(Bits a, Bits b) { Bits c; int i; for(i=0; i<BITS; i++) c.b[i] = a.b[i] & b.b[i]; return c; } /* Bits bnot(Bits a) { Bits c; int i; for(i=0; i<BITS; i++) c.b[i] = ~a.b[i]; return c; } */ int bany(Bits *a) { int i; for(i=0; i<BITS; i++) if(a->b[i]) return 1; return 0; } int beq(Bits a, Bits b) { int i; for(i=0; i<BITS; i++) if(a.b[i] != b.b[i]) return 0; return 1; } int bnum(Bits a) { int i; long b; for(i=0; i<BITS; i++) if(b = a.b[i]) return 32*i + bitno(b); diag(Z, "bad in bnum"); return 0; } Bits blsh(uint n) { Bits c; c = zbits; c.b[n/32] = 1L << (n%32); return c; } int bset(Bits a, uint n) { if(a.b[n/32] & (1L << (n%32))) return 1; return 0; }