text: /*	$NetBSD: puts.c,v 1.17 2018/02/04 01:13:45 mrg Exp $	*/
  
  /*-
   * 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.
   */
  
  #include <sys/cdefs.h>
  #include <assert.h>
  #include <errno.h>
  #include <stdio.h>
  #include <string.h>
  #include "fvwrite.h"
  #include "reentrant.h"
  #include "local.h"
  
  /*
   * Write the given string to stdout, appending a newline.
   */
  int puts(char const *s) {
    size_t c;
    struct __suio uio;
    struct __siov iov[2];
    const void *vs = s;
    int r;
  
    /* This avoids -Werror=nonnull-compare. */
    if (vs == NULL)
      s = "(null)";
  
    c = strlen(s);
  
    iov[0].iov_base = __UNCONST(s);
    iov[0].iov_len = c;
    iov[1].iov_base = __UNCONST("\n");
    iov[1].iov_len = 1;
    uio.uio_resid = c + 1;
    uio.uio_iov = &iov[0];
    uio.uio_iovcnt = 2;
    FLOCKFILE(stdout);
    r = __sfvwrite(stdout, &uio);
    FUNLOCKFILE(stdout);
    return r ? EOF : '\n';
  }
  