[unix-history] / usr / src / libc / gen / strcpyn.c

/*
 * Copy s2 to s1, truncating or null-padding to always copy n bytes
 * return s1
 */

char *
strcpyn(s1, s2, n)
register char *s1, *s2;
{
	register i;
	register char *os1;

	os1 = s1;
	for (i = 0; i < n; i++)
		if ((*s1++ = *s2++) == '\0') {
			while (++i < n)
				*s1++ = '\0';
			return(os1);
		}
	return(os1);
}
Commit	Line	Data
e5acd2fe TL	1	/*
	2	* Copy s2 to s1, truncating or null-padding to always copy n bytes
	3	* return s1
	4	*/
	5
	6	char *
	7	strcpyn(s1, s2, n)
	8	register char s1, s2;
	9	{
	10	register i;
	11	register char *os1;
	12
	13	os1 = s1;
	14	for (i = 0; i < n; i++)
	15	if ((s1++ = s2++) == '\0') {
	16	while (++i < n)
	17	*s1++ = '\0';
	18	return(os1);
	19	}
	20	return(os1);
	21	}