usr/src/cmd/mail/pckrcvspot.c

   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 2005 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  * If any H_RECEIVED lines in msg, decide where to put them.
  35  * Returns :
  36  *      -1 ==> No H_RECEIVED lines to be printed.
  37  *      > 0 ==> Header line type after (before) which to place H_RECEIVED lines
  38  */
  39 int
  40 pckrcvspot(void)
  41 {
  42         static char pn[] = "pckrcvspot";
  43         int     rc;
  44
  45         if (hdrlines[H_RECEIVED].head == (struct hdrs *)NULL) {
  46                 rc = -1;
  47         } else if (orig_rcv) {
  48                 rc = H_RECEIVED;
  49         } else if (orig_aff) {
  50                 rc = H_AFWDFROM;
  51         } else if (fnuhdrtype == H_RVERS) {
  52                 if (hdrlines[H_EOH].head != (struct hdrs *)NULL) {
  53                         if (hdrlines[H_DATE].head != (struct hdrs *)NULL) {
  54                                 rc = H_DATE;
  55                         } else {
  56                                 rc = H_EOH;
  57                         }
  58                 }
  59         } else if ((fnuhdrtype == H_MVERS) &&
  60             (hdrlines[H_EOH].head != (struct hdrs *)NULL)) {
  61                 rc = H_EOH;
  62         } else {
  63                 rc = H_CTYPE;
  64         }
  65         Dout(pn, 3, "'%s'\n", (rc == -1 ? "No Received: lines": header[rc].tag));
  66         return (rc);
  67 }