xref: /illumos-gate/usr/src/cmd/mail/isit.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 /*
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include "mail.h"
33 
34 /*
35  * isit(lp, type) --  match "name" portion of
36  *		"name: value" pair
37  *	lp	->	pointer to line to check
38  *	type	->	type of header line to match
39  * returns
40  *	TRUE	-> 	lp matches header type (case independent)
41  *	FALSE	->	no match
42  *
43  *  Execpt for H_FORM type, matching is case insensitive (bug 1173101)
44  */
45 int
46 isit(lp, type)
47 register char 	*lp;
48 register int	type;
49 {
50 	register char	*p;
51 
52 	switch (type) {
53 	case H_FROM:
54 		for (p = header[type].tag; *lp && *p; lp++, p++) {
55 			if (*p != *lp)  {
56 				return(FALSE);
57 			}
58 		}
59 		break;
60 	default:
61 		for (p = header[type].tag; *lp && *p; lp++, p++) {
62 			if (toupper(*p) != toupper(*lp))  {
63 				return(FALSE);
64 			}
65 		}
66 		break;
67 	}
68 	if (*p == NULL) {
69 		return(TRUE);
70 	}
71 	return(FALSE);
72 }
73