[hcoop/zz_old/debian/djbdns.git] / case_diffs.c

#include "case.h"

int case_diffs(register const char *s,register const char *t)
{
  register unsigned char x;
  register unsigned char y;

  for (;;) {
    x = *s++ - 'A';
    if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
    y = *t++ - 'A';
    if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
    if (x != y) break;
    if (!x) break;
  }
  return ((int)(unsigned int) x) - ((int)(unsigned int) y);
}
Commit	Line	Data
dc0d77d7 CE	1	#include "case.h"
	2
	3	int case_diffs(register const char s,register const char t)
	4	{
	5	register unsigned char x;
	6	register unsigned char y;
	7
	8	for (;;) {
	9	x = *s++ - 'A';
	10	if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
	11	y = *t++ - 'A';
	12	if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
	13	if (x != y) break;
	14	if (!x) break;
	15	}
	16	return ((int)(unsigned int) x) - ((int)(unsigned int) y);
	17	}