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/*
23 * Copyright 1995 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28/*	  All Rights Reserved	*/
29
30#include "mail.h"
31
32/*
33 * isit(lp, type) --  match "name" portion of
34 *		"name: value" pair
35 *	lp	->	pointer to line to check
36 *	type	->	type of header line to match
37 * returns
38 *	TRUE	->	lp matches header type (case independent)
39 *	FALSE	->	no match
40 *
41 *  Execpt for H_FORM type, matching is case insensitive (bug 1173101)
42 */
43int
44isit(char *lp, int type)
45{
46	char	*p;
47
48	switch (type) {
49	case H_FROM:
50		for (p = header[type].tag; *lp && *p; lp++, p++) {
51			if (*p != *lp)  {
52				return (FALSE);
53			}
54		}
55		break;
56	default:
57		for (p = header[type].tag; *lp && *p; lp++, p++) {
58			if (toupper(*p) != toupper(*lp))  {
59				return (FALSE);
60			}
61		}
62		break;
63	}
64	if (*p == '\0') {
65		return (TRUE);
66	}
67	return (FALSE);
68}
69