8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / cmd / mail / getcomment.c
blobac8674c066e79c39e0ae2cb7692a85a1a197835f
1 /*
2 * CDDL HEADER START
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.
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.
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]
20 * CDDL HEADER END
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
31 #pragma ident "%Z%%M% %I% %E% SMI"
33 #include "mail.h"
35 * Get comment field, if any, from line.
36 * 1 ==> found comment.
37 * 0 ==> no comment found.
38 * -1 ==> no closing (terminating) paren found for comment.
41 int
42 getcomment(char *s, char *q)
43 /* Copy comment, if found, to q */
45 char *p, *sav_q;
46 int depth = 0;
48 if ((p = strchr(s, '(')) == (char *)NULL) {
49 /* no comment found */
50 return (0);
52 sav_q = q;
53 while (*p) {
54 *q++ = *p;
55 if (*p == ')') {
56 /* account for nested parens within comment */
57 depth--;
58 if (depth == 0) {
59 break;
61 } else if (*p == '(') {
62 depth++;
64 p++;
66 *q = '\0';
67 if (*p != ')') {
68 /* closing paren not found */
69 *sav_q = '\0';
70 return (-1);
72 /* found comment */
73 return (1);