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File: [local] / src / sbin / dhclient / Attic / convert.c (download)

Revision 1.5, Sat Feb 7 11:35:59 2004 UTC (20 years, 4 months ago) by henning
Branch: MAIN
CVS Tags: OPENBSD_5_4_BASE, OPENBSD_5_4, OPENBSD_5_3_BASE, OPENBSD_5_3, OPENBSD_5_2_BASE, OPENBSD_5_2, OPENBSD_5_1_BASE, OPENBSD_5_1, OPENBSD_5_0_BASE, OPENBSD_5_0, OPENBSD_4_9_BASE, OPENBSD_4_9, OPENBSD_4_8_BASE, OPENBSD_4_8, OPENBSD_4_7_BASE, OPENBSD_4_7, OPENBSD_4_6_BASE, OPENBSD_4_6, OPENBSD_4_5_BASE, OPENBSD_4_5, OPENBSD_4_4_BASE, OPENBSD_4_4, OPENBSD_4_3_BASE, OPENBSD_4_3, OPENBSD_4_2_BASE, OPENBSD_4_2, OPENBSD_4_1_BASE, OPENBSD_4_1, OPENBSD_4_0_BASE, OPENBSD_4_0, OPENBSD_3_9_BASE, OPENBSD_3_9, OPENBSD_3_8_BASE, OPENBSD_3_8, OPENBSD_3_7_BASE, OPENBSD_3_7, OPENBSD_3_6_BASE, OPENBSD_3_6, OPENBSD_3_5_BASE, OPENBSD_3_5
Changes since 1.4: +14 -14 lines 

more style fixes from Emil Mikulic <emikulic@dmr.ath.cx>
Thank you very much for this excellent work, it helps a lot.
binary unchanged.
I am still convinced dhclient can be made readable.

/*	$OpenBSD: convert.c,v 1.5 2004/02/07 11:35:59 henning Exp $	*/

/*
 * 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''.
 */

#include "dhcpd.h"

u_int32_t
getULong(unsigned char *buf)
{
	u_int32_t ibuf;

	memcpy(&ibuf, buf, sizeof(ibuf));
	return (ntohl(ibuf));
}

int32_t
getLong(unsigned char *(buf))
{
	int32_t ibuf;

	memcpy(&ibuf, buf, sizeof(ibuf));
	return (ntohl(ibuf));
}

u_int16_t
getUShort(unsigned char *buf)
{
	u_int16_t ibuf;

	memcpy(&ibuf, buf, sizeof(ibuf));
	return (ntohs(ibuf));
}

int16_t
getShort(unsigned char *buf)
{
	int16_t ibuf;

	memcpy(&ibuf, buf, sizeof(ibuf));
	return (ntohs(ibuf));
}

void
putULong(unsigned char *obuf, u_int32_t val)
{
	u_int32_t tmp = htonl(val);

	memcpy(obuf, &tmp, sizeof(tmp));
}

void
putLong(unsigned char *obuf, int32_t val)
{
	int32_t tmp = htonl(val);

	memcpy(obuf, &tmp, sizeof(tmp));
}

void
putUShort(unsigned char *obuf, unsigned int val)
{
	u_int16_t tmp = htons(val);

	memcpy(obuf, &tmp, sizeof(tmp));
}

void
putShort(unsigned char *obuf, int val)
{
	int16_t tmp = htons(val);

	memcpy(obuf, &tmp, sizeof(tmp));
}