[qmail] / case_diffb.c

#include "case.h"

int case_diffb(s,len,t)
register char *s;
unsigned int len;
register char *t;
{
  register unsigned char x;
  register unsigned char y;

  while (len > 0) {
    --len;
    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)
      return ((int)(unsigned int) x) - ((int)(unsigned int) y);
  }
  return 0;
}
Commit	Line	Data
2117e02e MW	1	#include "case.h"
	2
	3	int case_diffb(s,len,t)
	4	register char *s;
	5	unsigned int len;
	6	register char *t;
	7	{
	8	register unsigned char x;
	9	register unsigned char y;
	10
	11	while (len > 0) {
	12	--len;
	13	x = *s++ - 'A';
	14	if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
	15	y = *t++ - 'A';
	16	if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
	17	if (x != y)
	18	return ((int)(unsigned int) x) - ((int)(unsigned int) y);
	19	}
	20	return 0;
	21	}