crypto/external/bsd/heimdal/dist/lib/krb5/store-int.c

   1 /*      $NetBSD: store-int.c,v 1.1.1.2 2014/04/24 12:45:51 pettai Exp $ */
   2
   3 /*
   4  * Copyright (c) 1997-2008 Kungliga Tekniska Högskolan
   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
  38 KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL
  39 _krb5_put_int(void *buffer, unsigned long 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
  50 KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL
  51 _krb5_get_int(void *buffer, unsigned long *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 }