printhdr.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23/*	  All Rights Reserved  	*/
24
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI" 	/* SVr4.0 2.	*/
27
28
29/*
30 * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
31 * Use is subject to license terms.
32 */
33
34#include "mail.h"
35
36printhdr(type, hdrtype, hptr, fp)
37int		hdrtype;
38struct hdrs	*hptr;
39FILE		*fp;
40{
41	char		buf[1024];
42	register int	n;
43	struct hdrs 	*contptr;
44
45
46	if (hptr == NULL)
47		return (0);
48	if (sel_disp(type, hdrtype, header[hdrtype].tag) < 0) {
49		return (0);
50	}
51
52	(void) snprintf(buf, sizeof (buf), "%s %s\n",
53	    header[hdrtype].tag, hptr->value);
54	n = strlen(buf);
55	if (fwrite(buf, 1, n, fp) != n)  {
56		sav_errno = errno;
57		return (-1);
58	}
59
60	/* Print continuation lines, if any... */
61	contptr = hptr;
62	while (contptr->cont != (struct hdrs *)NULL) {
63		contptr = contptr->cont;
64		(void) snprintf(buf, sizeof (buf), "%s\n", contptr->value);
65		n = strlen(buf);
66		if (fwrite(buf, 1, n, fp) != n)  {
67			sav_errno = errno;
68			return (-1);
69		}
70	}
71	return (0);
72}
73