/*
 * Copyright (c) 2003 Apple Computer, Inc. All Rights Reserved.
 * 
 * The contents of this file constitute Original Code as defined in and are
 * subject to the Apple Public Source License Version 1.2 (the 'License').
 * You may not use this file except in compliance with the License. Please 
 * obtain a copy of the License at http://www.apple.com/publicsource and 
 * read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 */
/*
 * nssUtils.cpp
 */

#include "nssUtils.h"
#include <Security/cssmapple.h>
#include <Security/oidsalg.h>
#include <string.h>

/*
 * Compare two CSSM_DATAs (or two CSSM_OIDs), return true if identical.
 */
bool nssCompareCssmData(
	const CSSM_DATA *data1,
	const CSSM_DATA *data2)
{	
	if((data1 == NULL) || (data1->Data == NULL) || 
	   (data2 == NULL) || (data2->Data == NULL) ||
	   (data1->Length != data2->Length)) {
		return false;
	}
	if(data1->Length != data2->Length) {
		return false;
	}
	if(memcmp(data1->Data, data2->Data, data1->Length) == 0) {
		return true;
	}
	else {
		return false;
	}
}

/*
 * How many items in a NULL-terminated array of pointers?
 */
unsigned nssArraySize(
	const void **array)
{
    unsigned count = 0;
    if (array) {
		while (*array++) {
			count++;
		}
    }
    return count;
}