[qmail] / str_diffn.c

#include "str.h"

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

  for (;;) {
    if (!len--) return 0; x = *s; if (x != *t) break; if (!x) break; ++s; ++t;
    if (!len--) return 0; x = *s; if (x != *t) break; if (!x) break; ++s; ++t;
    if (!len--) return 0; x = *s; if (x != *t) break; if (!x) break; ++s; ++t;
    if (!len--) return 0; x = *s; if (x != *t) break; if (!x) break; ++s; ++t;
  }
  return ((int)(unsigned int)(unsigned char) x)
       - ((int)(unsigned int)(unsigned char) *t);
}
Commit	Line	Data
2117e02e MW	1	#include "str.h"
	2
	3	int str_diffn(s,t,len)
	4	register char *s;
	5	register char *t;
	6	unsigned int len;
	7	{
	8	register char x;
	9
	10	for (;;) {
	11	if (!len--) return 0; x = s; if (x != t) break; if (!x) break; ++s; ++t;
	12	if (!len--) return 0; x = s; if (x != t) break; if (!x) break; ++s; ++t;
	13	if (!len--) return 0; x = s; if (x != t) break; if (!x) break; ++s; ++t;
	14	if (!len--) return 0; x = s; if (x != t) break; if (!x) break; ++s; ++t;
	15	}
	16	return ((int)(unsigned int)(unsigned char) x)
	17	- ((int)(unsigned int)(unsigned char) *t);
	18	}