Function core_case_hash

hash_func.h:78–109

static inline unsigned int core_case_hash( str *s1, str *s2, unsigned int size)
{
	char *p, *end;
	register unsigned v;
	register unsigned h;

	h=0;

	end=s1->s+s1->len;
	for ( p=s1->s ; p<=(end-4) ; p+=4 ){
		v=(ch_icase(*p)<<24)+(ch_icase(p[1])<<16)+(ch_icase(p[2])<<8)
			+ ch_icase(p[3]);
		ch_h_inc;
	}
	v=0;
	for (; p<end ; p++){ v<<=8; v+=ch_icase(*p);}
	ch_h_inc;

	if (s2) {
		end=s2->s+s2->len;
		for (p=s2->s; p<=(end-4); p+=4){
			v=(ch_icase(*p)<<24)+(ch_icase(p[1])<<16)+(ch_icase(p[2])<<8)
				+ ch_icase(p[3]);
			ch_h_inc;
		}
		v=0;
		for (; p<end ; p++){ v<<=8; v+=ch_icase(*p);}
		ch_h_inc;
	}
	h=((h)+(h>>11))+((h>>13)+(h>>23));
	return size?((h)&(size-1)):h;
}


#endif