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Dependencies:   mbed

NetServices/lwip/netif/ppp/magic.c@1:f5ac63519541, 2014-03-05 (annotated)

Committer:
Michael J. Spencer
Date:
Wed Mar 05 06:14:02 2014 -0800
Revision:
1:f5ac63519541
Initial commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Michael J. Spencer 1:f5ac63519541 1 /*****************************************************************************
Michael J. Spencer 1:f5ac63519541 2 * magic.c - Network Random Number Generator program file.
Michael J. Spencer 1:f5ac63519541 3 *
Michael J. Spencer 1:f5ac63519541 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
Michael J. Spencer 1:f5ac63519541 5 * portions Copyright (c) 1997 by Global Election Systems Inc.
Michael J. Spencer 1:f5ac63519541 6 *
Michael J. Spencer 1:f5ac63519541 7 * The authors hereby grant permission to use, copy, modify, distribute,
Michael J. Spencer 1:f5ac63519541 8 * and license this software and its documentation for any purpose, provided
Michael J. Spencer 1:f5ac63519541 9 * that existing copyright notices are retained in all copies and that this
Michael J. Spencer 1:f5ac63519541 10 * notice and the following disclaimer are included verbatim in any
Michael J. Spencer 1:f5ac63519541 11 * distributions. No written agreement, license, or royalty fee is required
Michael J. Spencer 1:f5ac63519541 12 * for any of the authorized uses.
Michael J. Spencer 1:f5ac63519541 13 *
Michael J. Spencer 1:f5ac63519541 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
Michael J. Spencer 1:f5ac63519541 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
Michael J. Spencer 1:f5ac63519541 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Michael J. Spencer 1:f5ac63519541 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
Michael J. Spencer 1:f5ac63519541 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
Michael J. Spencer 1:f5ac63519541 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Michael J. Spencer 1:f5ac63519541 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Michael J. Spencer 1:f5ac63519541 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Michael J. Spencer 1:f5ac63519541 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
Michael J. Spencer 1:f5ac63519541 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Michael J. Spencer 1:f5ac63519541 24 *
Michael J. Spencer 1:f5ac63519541 25 ******************************************************************************
Michael J. Spencer 1:f5ac63519541 26 * REVISION HISTORY
Michael J. Spencer 1:f5ac63519541 27 *
Michael J. Spencer 1:f5ac63519541 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
Michael J. Spencer 1:f5ac63519541 29 * Ported to lwIP.
Michael J. Spencer 1:f5ac63519541 30 * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
Michael J. Spencer 1:f5ac63519541 31 * Original based on BSD magic.c.
Michael J. Spencer 1:f5ac63519541 32 *****************************************************************************/
Michael J. Spencer 1:f5ac63519541 33 /*
Michael J. Spencer 1:f5ac63519541 34 * magic.c - PPP Magic Number routines.
Michael J. Spencer 1:f5ac63519541 35 *
Michael J. Spencer 1:f5ac63519541 36 * Copyright (c) 1989 Carnegie Mellon University.
Michael J. Spencer 1:f5ac63519541 37 * All rights reserved.
Michael J. Spencer 1:f5ac63519541 38 *
Michael J. Spencer 1:f5ac63519541 39 * Redistribution and use in source and binary forms are permitted
Michael J. Spencer 1:f5ac63519541 40 * provided that the above copyright notice and this paragraph are
Michael J. Spencer 1:f5ac63519541 41 * duplicated in all such forms and that any documentation,
Michael J. Spencer 1:f5ac63519541 42 * advertising materials, and other materials related to such
Michael J. Spencer 1:f5ac63519541 43 * distribution and use acknowledge that the software was developed
Michael J. Spencer 1:f5ac63519541 44 * by Carnegie Mellon University. The name of the
Michael J. Spencer 1:f5ac63519541 45 * University may not be used to endorse or promote products derived
Michael J. Spencer 1:f5ac63519541 46 * from this software without specific prior written permission.
Michael J. Spencer 1:f5ac63519541 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
Michael J. Spencer 1:f5ac63519541 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
Michael J. Spencer 1:f5ac63519541 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Michael J. Spencer 1:f5ac63519541 50 */
Michael J. Spencer 1:f5ac63519541 51
Michael J. Spencer 1:f5ac63519541 52 #include "lwip/opt.h"
Michael J. Spencer 1:f5ac63519541 53
Michael J. Spencer 1:f5ac63519541 54 #if PPP_SUPPORT
Michael J. Spencer 1:f5ac63519541 55
Michael J. Spencer 1:f5ac63519541 56 #include "ppp.h"
Michael J. Spencer 1:f5ac63519541 57 #include "randm.h"
Michael J. Spencer 1:f5ac63519541 58 #include "magic.h"
Michael J. Spencer 1:f5ac63519541 59
Michael J. Spencer 1:f5ac63519541 60
Michael J. Spencer 1:f5ac63519541 61 /*
Michael J. Spencer 1:f5ac63519541 62 * magicInit - Initialize the magic number generator.
Michael J. Spencer 1:f5ac63519541 63 *
Michael J. Spencer 1:f5ac63519541 64 * Since we use another random number generator that has its own
Michael J. Spencer 1:f5ac63519541 65 * initialization, we do nothing here.
Michael J. Spencer 1:f5ac63519541 66 */
Michael J. Spencer 1:f5ac63519541 67 void magicInit()
Michael J. Spencer 1:f5ac63519541 68 {
Michael J. Spencer 1:f5ac63519541 69 return;
Michael J. Spencer 1:f5ac63519541 70 }
Michael J. Spencer 1:f5ac63519541 71
Michael J. Spencer 1:f5ac63519541 72 /*
Michael J. Spencer 1:f5ac63519541 73 * magic - Returns the next magic number.
Michael J. Spencer 1:f5ac63519541 74 */
Michael J. Spencer 1:f5ac63519541 75 u32_t magic()
Michael J. Spencer 1:f5ac63519541 76 {
Michael J. Spencer 1:f5ac63519541 77 return avRandom();
Michael J. Spencer 1:f5ac63519541 78 }
Michael J. Spencer 1:f5ac63519541 79
Michael J. Spencer 1:f5ac63519541 80 #endif /* PPP_SUPPORT */