Libc-1439.100.3.tar.gz

[apple/libc.git] / string / FreeBSD / swab.c

diff --git a/string/FreeBSD/swab.c b/string/FreeBSD/swab.c
index de5770345b55dae1ba3ae703d5ccb372536264cb..1d55327c35c55da03e12d292615dc7b8a8234797 100644 (file)
--- a/string/FreeBSD/swab.c
+++ b/string/FreeBSD/swab.c
@@ -13,10 +13,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
@@ -38,17 +34,19 @@
 static char sccsid[] = "@(#)swab.c     8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/string/swab.c,v 1.5 2002/08/30 20:33:05 robert Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/string/swab.c,v 1.7 2007/01/09 00:28:12 imp Exp $");
 
-#include <string.h>
+#include <unistd.h>
 
 void
-swab(const void * __restrict from, void * __restrict to, size_t len)
+swab(const void * __restrict from, void * __restrict to, ssize_t len)
 {
        unsigned long temp;
        int n;
        char *fp, *tp;
 
+       if (len <= 0)
+               return;
        n = len >> 1;
        fp = (char *)from;
        tp = (char *)to;