non-AT&T implementations of frexp.c in machine/gen/frexp.c

[unix-history] / usr / src / lib / libc / string / ffs.c

diff --git a/usr/src/lib/libc/string/ffs.c b/usr/src/lib/libc/string/ffs.c
index cceec6d..8497e57 100644 (file)
--- a/usr/src/lib/libc/string/ffs.c
+++ b/usr/src/lib/libc/string/ffs.c
@@ -1,35 +1,27 @@
-/*
- * Copyright (c) 1987 Regents of the University of California.
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.

  * All rights reserved.
  *
  * All rights reserved.
  *

- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * %sccs.include.redist.c%

  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)

-static char sccsid[] = "@(#)ffs.c      5.2 (Berkeley) %G%";
+static char sccsid[] = "@(#)ffs.c      5.4 (Berkeley) %G%";

 #endif /* LIBC_SCCS and not lint */
 
 #endif /* LIBC_SCCS and not lint */
 

+#include <string.h>
+

 /*
  * ffs -- vax ffs instruction
  */
 ffs(mask)
 /*
  * ffs -- vax ffs instruction
  */
 ffs(mask)

-       register long mask;
+       register int mask;

 {
 {

-       register int cnt;
+       register int bit;

 
        if (mask == 0)
                return(0);
 
        if (mask == 0)
                return(0);

-       for (cnt = 1; !(mask & 1); cnt++)
+       for (bit = 1; !(mask & 1); bit++)

                mask >>= 1;
                mask >>= 1;

-       return(cnt);
+       return(bit);

 }
 }