BSD 4_3 release

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

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strncpy.c   5.2 (Berkeley) 3/9/86";
#endif LIBC_SCCS and not lint

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

char *
strncpy(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);
}