cmd/mail/sel_disp.c

/*
 * 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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*  Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*    All Rights Reserved   */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include "mail.h"

/*
 * If in default display mode from printmail(), selectively output
 * header lines. Any recognized header lines will have flag stored in
 * header[] structure. Other header lines which should be displayed in
 * the default output mode will be listed in the seldisp[] array.
 * This can all be overridden via the 'P' command at the ? prompt.
 */
int
sel_disp(int type, int hdrtype, char *s)
{
    static char pn[] = "sel_disp";
    char        *p;
    static  int sav_lastrc = 0;
    int     i, rc = 0;

    if (sending || Pflg || (type != TTY)) {
        return (0);
    }

    switch (hdrtype) {
    case H_CONT:
        rc = sav_lastrc;
        break;
    case H_NAMEVALUE:
        for (i=0,p=seldisp[i]; p; p=seldisp[++i]) {
            if (casncmp(s, p, strlen(p)) == 0) {
                break;
            }
        }
        if (p == (char *)NULL) {
            rc = -1;
        }
        break;
    default:
        if (header[hdrtype].default_display == FALSE) {
            rc = -1;
            break;
        }
    }

    Dout(pn, 2, "type = %d, hdrtype = %d/'%s', rc = %d\n",
        type, hdrtype, header[hdrtype].tag, rc);
    sav_lastrc = rc;    /* In case next one is H_CONT... */
    return (rc);
}