gonzui

    1: /*      $OpenBSD: puts.c,v 1.11 2009/11/21 09:53:44 guenther Exp $ */
    2: /*-
    3:  * Copyright (c) 1990, 1993
    4:  *      The Regents of the University of California.  All rights reserved.
    5:  *
    6:  * This code is derived from software contributed to Berkeley by
    7:  * Chris Torek.
    8:  *
    9:  * Redistribution and use in source and binary forms, with or without
   10:  * modification, are permitted provided that the following conditions
   11:  * are met:
   12:  * 1. Redistributions of source code must retain the above copyright
   13:  *    notice, this list of conditions and the following disclaimer.
   14:  * 2. Redistributions in binary form must reproduce the above copyright
   15:  *    notice, this list of conditions and the following disclaimer in the
   16:  *    documentation and/or other materials provided with the distribution.
   17:  * 3. Neither the name of the University nor the names of its contributors
   18:  *    may be used to endorse or promote products derived from this software
   19:  *    without specific prior written permission.
   20:  *
   21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31:  * SUCH DAMAGE.
   32:  */
   33: 
   34: #include <stdio.h>
   35: #include <string.h>
   36: #include "local.h"
   37: #include "fvwrite.h"
   38: 
   39: /*
   40:  * Write the given string to stdout, appending a newline.
   41:  */
   42: int
   43: puts(const char *s)
   44: {
   45:         size_t c = strlen(s);
   46:         struct __suio uio;
   47:         struct __siov iov[2];
   48:         int ret;
   49: 
   50:         iov[0].iov_base = (void *)s;
   51:         iov[0].iov_len = c;
   52:         iov[1].iov_base = "\n";
   53:         iov[1].iov_len = 1;
   54:         uio.uio_resid = c + 1;
   55:         uio.uio_iov = &iov[0];
   56:         uio.uio_iovcnt = 2;
   57:         FLOCKFILE(stdout);
   58:         _SET_ORIENTATION(stdout, -1);
   59:         ret = __sfvwrite(stdout, &uio);
   60:         FUNLOCKFILE(stdout);
   61:         return (ret ? EOF : '\n');
   62: }