cmd-crypto/cryptoadm/adm_util.c

	adm_util.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
 * 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 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

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

#include <strings.h>
#include "cryptoadm.h"


/*
 * Create one item of type mechlist_t with the mechanism name.  A null is
 * returned to indicate that the storage space available is insufficient.
 */
mechlist_t *
create_mech(char *name)
{
    mechlist_t *pres = NULL;

    if (name == NULL) {
        return (NULL);
    }

    pres = malloc(sizeof (mechlist_t));
    if (pres == NULL) {
        cryptodebug("out of memory.");
        return (NULL);
    }

    (void) strlcpy(pres->name, name, sizeof (pres->name));
    pres->next = NULL;

    return (pres);
}


void
free_mechlist(mechlist_t *plist)
{
    mechlist_t *pnext;

    while (plist != NULL) {
        pnext = plist->next;
        free(plist);
        plist = pnext;
    }
}


/*
 * Check if the mechanism is in the mechanism list.
 */
boolean_t
is_in_list(char *mechname, mechlist_t *plist)
{
    boolean_t found = B_FALSE;

    if (mechname == NULL) {
        return (B_FALSE);
    }

    while (plist != NULL) {
        if (strcmp(plist->name, mechname) == 0) {
            found = B_TRUE;
            break;
        }
        plist = plist->next;
    }

    return (found);
}