* 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.
static char sccsid[] = "@(#)fwrite.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdio/fwrite.c,v 1.11 2002/10/12 16:13:41 mike Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/stdio/fwrite.c,v 1.13 2009/07/12 13:09:43 ed Exp $");
#include "namespace.h"
#include <stdio.h>
struct __suio uio;
struct __siov iov;
- iov.iov_base = (void *)buf;
- uio.uio_resid = iov.iov_len = n = count * size;
-
+ /*
+ * ANSI and SUSv2 require a return value of 0 if size or count are 0.
+ */
+ n = count * size;
#if __DARWIN_UNIX03
- if (n == 0) /* POSIX */
- return 0;
-#endif /* __DARWIN_UNIX03 */
+ if (n == 0)
+ return (0);
+#endif
+ iov.iov_base = (void *)buf;
+ uio.uio_resid = iov.iov_len = n;
uio.uio_iov = &iov;
uio.uio_iovcnt = 1;