diff options
author | Ted Lemon <source@isc.org> | 1995-11-29 07:40:04 +0000 |
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committer | Ted Lemon <source@isc.org> | 1995-11-29 07:40:04 +0000 |
commit | d7837182d3cc1aa28fec66ebb2e23f759ea003b9 (patch) | |
tree | db2a2555a873ceb94af321790b421b6fe898ebd0 /convert.c | |
download | isc-dhcp-d7837182d3cc1aa28fec66ebb2e23f759ea003b9.tar.gz |
DHCP Server Daemon
Diffstat (limited to 'convert.c')
-rw-r--r-- | convert.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/convert.c b/convert.c new file mode 100644 index 00000000..bd423a05 --- /dev/null +++ b/convert.c @@ -0,0 +1,117 @@ +/* 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 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[] = +"@(#) Copyright (c) 1995 The Internet Software Consortium. All rights reserved.\n"; +#endif /* not lint */ + +#include "dhcpd.h" + +unsigned long getULong (buf) + unsigned char *buf; +{ + unsigned long ibuf; + + memcpy (&ibuf, buf, sizeof (unsigned long)); + return ntohl (ibuf); +} + +long getLong (buf) + unsigned char *buf; +{ + long ibuf; + + memcpy (&ibuf, buf, sizeof (long)); + return ntohl (ibuf); +} + +unsigned short getUShort (buf) + unsigned char *buf; +{ + unsigned short ibuf; + + memcpy (&ibuf, buf, sizeof (unsigned short)); + return ntohs (ibuf); +} + +short getShort (buf) + unsigned char *buf; +{ + short ibuf; + + memcpy (&ibuf, buf, sizeof (short)); + return ntohs (ibuf); +} + +void putULong (obuf, val) + unsigned char *obuf; + unsigned long val; +{ + unsigned long tmp = htonl (val); + memcpy (obuf, &tmp, sizeof tmp); +} + +void putLong (obuf, val) + unsigned char *obuf; + long val; +{ + long tmp = htonl (val); + memcpy (obuf, &tmp, sizeof tmp); +} + +void putUShort (obuf, val) + unsigned char *obuf; + unsigned short val; +{ + unsigned short tmp = htonl (val); + memcpy (obuf, &tmp, sizeof tmp); +} + +void putShort (obuf, val) + unsigned char *obuf; + short val; +{ + short tmp = htonl (val); + memcpy (obuf, &tmp, sizeof tmp); +} + |