NetServices Stack source

Dependents:   HelloWorld ServoInterfaceBoardExample1 4180_Lab4

Committer:
donatien
Date:
Fri Jun 11 16:05:15 2010 +0000
Revision:
0:632c9925f013

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:632c9925f013 1 /*****************************************************************************
donatien 0:632c9925f013 2 * magic.c - Network Random Number Generator program file.
donatien 0:632c9925f013 3 *
donatien 0:632c9925f013 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
donatien 0:632c9925f013 5 * portions Copyright (c) 1997 by Global Election Systems Inc.
donatien 0:632c9925f013 6 *
donatien 0:632c9925f013 7 * The authors hereby grant permission to use, copy, modify, distribute,
donatien 0:632c9925f013 8 * and license this software and its documentation for any purpose, provided
donatien 0:632c9925f013 9 * that existing copyright notices are retained in all copies and that this
donatien 0:632c9925f013 10 * notice and the following disclaimer are included verbatim in any
donatien 0:632c9925f013 11 * distributions. No written agreement, license, or royalty fee is required
donatien 0:632c9925f013 12 * for any of the authorized uses.
donatien 0:632c9925f013 13 *
donatien 0:632c9925f013 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
donatien 0:632c9925f013 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
donatien 0:632c9925f013 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
donatien 0:632c9925f013 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
donatien 0:632c9925f013 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
donatien 0:632c9925f013 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
donatien 0:632c9925f013 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
donatien 0:632c9925f013 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
donatien 0:632c9925f013 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
donatien 0:632c9925f013 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
donatien 0:632c9925f013 24 *
donatien 0:632c9925f013 25 ******************************************************************************
donatien 0:632c9925f013 26 * REVISION HISTORY
donatien 0:632c9925f013 27 *
donatien 0:632c9925f013 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
donatien 0:632c9925f013 29 * Ported to lwIP.
donatien 0:632c9925f013 30 * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
donatien 0:632c9925f013 31 * Original based on BSD magic.c.
donatien 0:632c9925f013 32 *****************************************************************************/
donatien 0:632c9925f013 33 /*
donatien 0:632c9925f013 34 * magic.c - PPP Magic Number routines.
donatien 0:632c9925f013 35 *
donatien 0:632c9925f013 36 * Copyright (c) 1989 Carnegie Mellon University.
donatien 0:632c9925f013 37 * All rights reserved.
donatien 0:632c9925f013 38 *
donatien 0:632c9925f013 39 * Redistribution and use in source and binary forms are permitted
donatien 0:632c9925f013 40 * provided that the above copyright notice and this paragraph are
donatien 0:632c9925f013 41 * duplicated in all such forms and that any documentation,
donatien 0:632c9925f013 42 * advertising materials, and other materials related to such
donatien 0:632c9925f013 43 * distribution and use acknowledge that the software was developed
donatien 0:632c9925f013 44 * by Carnegie Mellon University. The name of the
donatien 0:632c9925f013 45 * University may not be used to endorse or promote products derived
donatien 0:632c9925f013 46 * from this software without specific prior written permission.
donatien 0:632c9925f013 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
donatien 0:632c9925f013 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
donatien 0:632c9925f013 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
donatien 0:632c9925f013 50 */
donatien 0:632c9925f013 51
donatien 0:632c9925f013 52 #include "lwip/opt.h"
donatien 0:632c9925f013 53
donatien 0:632c9925f013 54 #if PPP_SUPPORT
donatien 0:632c9925f013 55
donatien 0:632c9925f013 56 #include "ppp.h"
donatien 0:632c9925f013 57 #include "randm.h"
donatien 0:632c9925f013 58 #include "magic.h"
donatien 0:632c9925f013 59
donatien 0:632c9925f013 60
donatien 0:632c9925f013 61 /*
donatien 0:632c9925f013 62 * magicInit - Initialize the magic number generator.
donatien 0:632c9925f013 63 *
donatien 0:632c9925f013 64 * Since we use another random number generator that has its own
donatien 0:632c9925f013 65 * initialization, we do nothing here.
donatien 0:632c9925f013 66 */
donatien 0:632c9925f013 67 void magicInit()
donatien 0:632c9925f013 68 {
donatien 0:632c9925f013 69 return;
donatien 0:632c9925f013 70 }
donatien 0:632c9925f013 71
donatien 0:632c9925f013 72 /*
donatien 0:632c9925f013 73 * magic - Returns the next magic number.
donatien 0:632c9925f013 74 */
donatien 0:632c9925f013 75 u32_t magic()
donatien 0:632c9925f013 76 {
donatien 0:632c9925f013 77 return avRandom();
donatien 0:632c9925f013 78 }
donatien 0:632c9925f013 79
donatien 0:632c9925f013 80 #endif /* PPP_SUPPORT */