10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
22*1219Sraf 
230Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
240Sstevel@tonic-gate /*	  All Rights Reserved  	*/
250Sstevel@tonic-gate 
260Sstevel@tonic-gate /*
27*1219Sraf  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
28*1219Sraf  * Use is subject to license terms.
290Sstevel@tonic-gate  */
300Sstevel@tonic-gate 
31*1219Sraf #pragma ident	"%Z%%M%	%I%	%E% SMI"
320Sstevel@tonic-gate /*LINTLIBRARY*/
330Sstevel@tonic-gate 
340Sstevel@tonic-gate /*
350Sstevel@tonic-gate     NAME
360Sstevel@tonic-gate 	copystream - copy one FILE stream to another
370Sstevel@tonic-gate 
380Sstevel@tonic-gate     SYNOPSIS
390Sstevel@tonic-gate 	int copystream(FILE *infp, FILE *outfp)
400Sstevel@tonic-gate 
410Sstevel@tonic-gate     DESCRIPTION
420Sstevel@tonic-gate 	copystream() copies one stream to another. The stream
430Sstevel@tonic-gate 	infp must be opened for reading and the stream outfp
440Sstevel@tonic-gate 	must be opened for writing.
450Sstevel@tonic-gate 
460Sstevel@tonic-gate 	It returns true if the stream is successively copied;
470Sstevel@tonic-gate 	false if any writes fail.
480Sstevel@tonic-gate */
490Sstevel@tonic-gate 
50*1219Sraf #include "c_synonyms.h"
510Sstevel@tonic-gate #include "libmail.h"
520Sstevel@tonic-gate #include <sys/types.h>
530Sstevel@tonic-gate 
540Sstevel@tonic-gate int
550Sstevel@tonic-gate copystream(FILE *infp, FILE *outfp)
560Sstevel@tonic-gate {
570Sstevel@tonic-gate 	char buffer[BUFSIZ];
580Sstevel@tonic-gate 	size_t nread;
590Sstevel@tonic-gate 
600Sstevel@tonic-gate 	while ((nread = fread(buffer, sizeof (char), sizeof (buffer),
610Sstevel@tonic-gate 	    infp)) > 0)
620Sstevel@tonic-gate 		if (fwrite(buffer, sizeof (char), nread, outfp) != nread)
630Sstevel@tonic-gate 			return (0);
640Sstevel@tonic-gate 	return (1);
650Sstevel@tonic-gate }
66