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fputs.c revision 1.9 
      1 /*	$NetBSD: fputs.c,v 1.9 1999/09/16 11:45:27 lukem Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1990, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Chris Torek.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 #if defined(LIBC_SCCS) && !defined(lint)
     41 #if 0
     42 static char sccsid[] = "@(#)fputs.c	8.1 (Berkeley) 6/4/93";
     43 #else
     44 __RCSID("$NetBSD: fputs.c,v 1.9 1999/09/16 11:45:27 lukem Exp $");
     45 #endif
     46 #endif /* LIBC_SCCS and not lint */
     47 
     48 #include <assert.h>
     49 #include <errno.h>
     50 #include <stdio.h>
     51 #include <string.h>
     52 #include "fvwrite.h"
     53 #include "reentrant.h"
     54 
     55 /*
     56  * Write the given string to the given file.
     57  */
     58 int
     59 fputs(s, fp)
     60 	const char *s;
     61 	FILE *fp;
     62 {
     63 	struct __suio uio;
     64 	struct __siov iov;
     65 	int r;
     66 
     67 	_DIAGASSERT(s != NULL);
     68 	_DIAGASSERT(fp != NULL);
     69 #ifdef _DIAGNOSTIC
     70 	if (s == NULL) {
     71 		errno = EFAULT;
     72 		return (EOF);
     73 	}
     74 	if (fp == NULL) {
     75 		errno = EBADF;
     76 		return (EOF);
     77 	}
     78 #endif
     79 
     80 	/* LINTED we don't touch s */
     81 	iov.iov_base = (void *)s;
     82 	iov.iov_len = uio.uio_resid = strlen(s);
     83 	uio.uio_iov = &iov;
     84 	uio.uio_iovcnt = 1;
     85 	FLOCKFILE(fp);
     86 	r = __sfvwrite(fp, &uio);
     87 	FUNLOCKFILE(fp);
     88 	return r;
     89 }
     90