/*
* 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
* or http://www.opensolaris.org/os/licensing.
* 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"
/*
* Remove an entry from its linked list and free any malloc'd memory..
*/
void poplist (hdrtype, where)
register int hdrtype;
register int where;
{
struct hdrs *hdr2rm, *cont2rm, *nextcont;
/* Remove first/last entry from list */
hdr2rm = (where == HEAD ?
hdrlines[hdrtype].head : hdrlines[hdrtype].tail);
if (hdr2rm == (struct hdrs *)NULL) {
return;
}
if (where == HEAD) {
if (hdr2rm->next == (struct hdrs *)NULL) {
/* Only 1 entry in list */
hdrlines[hdrtype].head = hdrlines[hdrtype].tail =
(struct hdrs *)NULL;
} else {
hdrlines[hdrtype].head = hdr2rm->next;
hdr2rm->next->prev = (struct hdrs *)NULL;
}
} else {
if (hdr2rm->prev == (struct hdrs *)NULL) {
/* Only 1 entry in list */
hdrlines[hdrtype].head = hdrlines[hdrtype].tail =
(struct hdrs *)NULL;
} else {
hdrlines[hdrtype].tail = hdr2rm->prev;
hdr2rm->prev->next = (struct hdrs *)NULL;
}
}
/* Keep track of total bytes added to message due to */
/* selected lines in case non-delivery */
/* notification needs to be sent. (See also copylet()) */
if (hdrtype == H_AFWDFROM) {
affbytecnt -=
(strlen(header[H_AFWDFROM].tag) + strlen(hdr2rm->value) + 2);
affcnt--;
}
if (hdrtype == H_RECEIVED) {
rcvbytecnt -=
(strlen(header[H_RECEIVED].tag) + strlen(hdr2rm->value) + 2);
}
cont2rm = hdr2rm->cont;
while (cont2rm != (struct hdrs *)NULL) {
nextcont = cont2rm->next;
if (hdrtype == H_AFWDFROM) {
affbytecnt -= (strlen(cont2rm->value) + 1);
affcnt--;
}
if (hdrtype == H_RECEIVED) {
rcvbytecnt -= (strlen(cont2rm->value) + 1);
}
free ((char *)cont2rm);
cont2rm = nextcont;
}
free ((char *)hdr2rm);
}