getcomment.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/* SVr4.0 2. */
#include "mail.h"
/*
* Get comment field, if any, from line.
* 1 ==> found comment.
* 0 ==> no comment found.
* -1 ==> no closing (terminating) paren found for comment.
*/
getcomment(s, q)
register char *s;
register char *q; /* Copy comment, if found, to here */
{
register char *p, *sav_q;
register int depth = 0;
/* no comment found */
return (0);
}
sav_q = q;
while (*p) {
*q++ = *p;
if (*p == ')') {
/* account for nested parens within comment */
depth--;
if (depth == 0) {
break;
}
} else if (*p == '(') {
depth++;
}
p++;
}
*q = '\0';
if (*p != ')') {
/* closing paren not found */
*sav_q = '\0';
return (-1);
}
/* found comment */
return (1);
}