| ffsll.c (77117) | ffsll.c (86170) |
|---|---|
| 1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 20 unchanged lines hidden (view full) --- 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint) 35static char sccsid[] = "@(#)ffs.c 8.1 (Berkeley) 6/4/93"; 36#endif /* LIBC_SCCS and not lint */ | 1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 20 unchanged lines hidden (view full) --- 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint) 35static char sccsid[] = "@(#)ffs.c 8.1 (Berkeley) 6/4/93"; 36#endif /* LIBC_SCCS and not lint */ |
| 37#ifndef lint 38static const char rcsid[] = 39 "$FreeBSD: head/lib/libc/string/ffs.c 77117 2001-05-24 08:47:42Z obrien $"; 40#endif | 37#include <sys/cdefs.h> 38__FBSDID("$FreeBSD: head/lib/libc/string/ffs.c 86170 2001-11-07 19:55:16Z obrien $"); |
| 41 42#include <string.h> 43 44/* 45 * ffs -- vax ffs instruction 46 */ 47int 48ffs(mask) 49 register int mask; 50{ 51 register int bit; 52 53 if (mask == 0) 54 return(0); 55 for (bit = 1; !(mask & 1); bit++) 56 mask >>= 1; 57 return(bit); 58} | 39 40#include <string.h> 41 42/* 43 * ffs -- vax ffs instruction 44 */ 45int 46ffs(mask) 47 register int mask; 48{ 49 register int bit; 50 51 if (mask == 0) 52 return(0); 53 for (bit = 1; !(mask & 1); bit++) 54 mask >>= 1; 55 return(bit); 56} |