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/* convert.c
Safe copying of option values into and out of the option buffer, which
can't be assumed to be aligned. */
/*
* Copyright (c) 1995, 1996 The Internet Software Consortium.
* 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 Internet Software Consortium 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 INTERNET SOFTWARE CONSORTIUM 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 INTERNET SOFTWARE CONSORTIUM 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.
*
* This software has been written for the Internet Software Consortium
* by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
* Enterprises. To learn more about the Internet Software Consortium,
* see ``http://www.vix.com/isc''. To learn more about Vixie
* Enterprises, see ``http://www.vix.com''.
*/
#ifndef lint
static char copyright[] =
"$Id: convert.c,v 1.4.2.1 1998/06/25 21:11:28 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
u_int32_t getULong (buf)
unsigned char *buf;
{
unsigned long ibuf;
memcpy (&ibuf, buf, sizeof (u_int32_t));
return ntohl (ibuf);
}
int32_t getLong (buf)
unsigned char *buf;
{
long ibuf;
memcpy (&ibuf, buf, sizeof (int32_t));
return ntohl (ibuf);
}
u_int16_t getUShort (buf)
unsigned char *buf;
{
unsigned short ibuf;
memcpy (&ibuf, buf, sizeof (u_int16_t));
return ntohs (ibuf);
}
int16_t getShort (buf)
unsigned char *buf;
{
short ibuf;
memcpy (&ibuf, buf, sizeof (int16_t));
return ntohs (ibuf);
}
void putULong (obuf, val)
unsigned char *obuf;
u_int32_t val;
{
u_int32_t tmp = htonl (val);
memcpy (obuf, &tmp, sizeof tmp);
}
void putLong (obuf, val)
unsigned char *obuf;
int32_t val;
{
int32_t tmp = htonl (val);
memcpy (obuf, &tmp, sizeof tmp);
}
void putUShort (obuf, val)
unsigned char *obuf;
unsigned int val;
{
u_int16_t tmp = htons (val);
memcpy (obuf, &tmp, sizeof tmp);
}
void putShort (obuf, val)
unsigned char *obuf;
int val;
{
int16_t tmp = htons (val);
memcpy (obuf, &tmp, sizeof tmp);
}
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