[unix-history] / usr / src / lib / libc / compat-sys5 / strcpyn.c

/* @(#)strcpyn.c	4.1 (Berkeley) 12/21/80 */
/*
 * 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
4b9ccde7	1	/* @(#)strcpyn.c 4.1 (Berkeley) 12/21/80 */
9c8fc5ca BJ	2	/*
	3	* Copy s2 to s1, truncating or null-padding to always copy n bytes
	4	* return s1
	5	*/
	6
	7	char *
	8	strcpyn(s1, s2, n)
	9	register char s1, s2;
	10	{
	11	register i;
	12	register char *os1;
	13
	14	os1 = s1;
	15	for (i = 0; i < n; i++)
	16	if ((s1++ = s2++) == '\0') {
	17	while (++i < n)
	18	*s1++ = '\0';
	19	return(os1);
	20	}
	21	return(os1);
	22	}