freebsd-dev/lib/libc/stdio/fputs.c
Pedro F. Giffuni 179a5a39a8 fputs: Return the number of bytes written.
Fix r295631: wrong value.

Pointy hat:	pfg (me)
Pointed out by:	bde
2016-02-15 21:18:52 +00:00

70 lines
2.4 KiB
C

/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 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. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)fputs.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "namespace.h"
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include "un-namespace.h"
#include "fvwrite.h"
#include "libc_private.h"
#include "local.h"
/*
* Write the given string to the given file.
*/
int
fputs(const char * __restrict s, FILE * __restrict fp)
{
int retval;
struct __suio uio;
struct __siov iov;
iov.iov_base = (void *)s;
uio.uio_resid = iov.iov_len = strlen(s);
uio.uio_iov = &iov;
uio.uio_iovcnt = 1;
FLOCKFILE(fp);
ORIENT(fp, -1);
retval = __sfvwrite(fp, &uio);
FUNLOCKFILE(fp);
if (retval == 0)
return (iov.iov_len > INT_MAX ? INT_MAX : iov.iov_len);
return (retval);
}