1/* $NetBSD: store-int.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */ 2 3/* 4 * Copyright (c) 1997-2008 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "krb5_locl.h" 37 38KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL 39_krb5_put_int(void *buffer, uint64_t value, size_t size) 40{ 41 unsigned char *p = buffer; 42 int i; 43 for (i = size - 1; i >= 0; i--) { 44 p[i] = value & 0xff; 45 value >>= 8; 46 } 47 return size; 48} 49 50KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL 51_krb5_get_int64(void *buffer, uint64_t *value, size_t size) 52{ 53 unsigned char *p = buffer; 54 unsigned long v = 0; 55 size_t i; 56 for (i = 0; i < size; i++) 57 v = (v << 8) + p[i]; 58 *value = v; 59 return size; 60} 61 62KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL 63_krb5_get_int(void *buffer, unsigned long *value, size_t size) 64{ 65 uint64_t v64; 66 krb5_ssize_t bytes = _krb5_get_int64(buffer, &v64, size); 67 *value = v64; 68 return bytes; 69} 70