/*
 * Copyright (c) 1997-2008 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "krb5_locl.h"

KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL
_krb5_put_int(void *buffer, uint64_t value, size_t size)
{
    unsigned char *p = buffer;
    int i;
    for (i = size - 1; i >= 0; i--) {
	p[i] = value & 0xff;
	value >>= 8;
    }
    return size;
}

KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL
_krb5_get_int64(void *buffer, uint64_t *value, size_t size)
{
    unsigned char *p = buffer;
    unsigned long v = 0;
    size_t i;
    for (i = 0; i < size; i++)
	v = (v << 8) + p[i];
    *value = v;
    return size;
}

KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL
_krb5_get_int(void *buffer, unsigned long *value, size_t size)
{
    uint64_t v64;
    krb5_ssize_t bytes = _krb5_get_int64(buffer, &v64, size);
    *value = v64;
    return bytes;
}
