Yihui Xiong / lwip-arch-max-dev

dev

Dependents:   EthernetInterface

Fork of lwip by mbed official

netif/ppp/magic.c@19:6c91d95ef874, 2015-03-02 (annotated)

Committer:
yihui
Date:
Mon Mar 02 08:19:15 2015 +0000
Revision:
19:6c91d95ef874
Parent:
0:51ac1d130fd4 
minor changes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /*****************************************************************************
mbed_official 0:51ac1d130fd4 2 * magic.c - Network Random Number Generator program file.
mbed_official 0:51ac1d130fd4 3 *
mbed_official 0:51ac1d130fd4 4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
mbed_official 0:51ac1d130fd4 5 * portions Copyright (c) 1997 by Global Election Systems Inc.
mbed_official 0:51ac1d130fd4 6 *
mbed_official 0:51ac1d130fd4 7 * The authors hereby grant permission to use, copy, modify, distribute,
mbed_official 0:51ac1d130fd4 8 * and license this software and its documentation for any purpose, provided
mbed_official 0:51ac1d130fd4 9 * that existing copyright notices are retained in all copies and that this
mbed_official 0:51ac1d130fd4 10 * notice and the following disclaimer are included verbatim in any
mbed_official 0:51ac1d130fd4 11 * distributions. No written agreement, license, or royalty fee is required
mbed_official 0:51ac1d130fd4 12 * for any of the authorized uses.
mbed_official 0:51ac1d130fd4 13 *
mbed_official 0:51ac1d130fd4 14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
mbed_official 0:51ac1d130fd4 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
mbed_official 0:51ac1d130fd4 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
mbed_official 0:51ac1d130fd4 17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
mbed_official 0:51ac1d130fd4 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
mbed_official 0:51ac1d130fd4 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
mbed_official 0:51ac1d130fd4 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
mbed_official 0:51ac1d130fd4 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 0:51ac1d130fd4 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
mbed_official 0:51ac1d130fd4 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 24 *
mbed_official 0:51ac1d130fd4 25 ******************************************************************************
mbed_official 0:51ac1d130fd4 26 * REVISION HISTORY
mbed_official 0:51ac1d130fd4 27 *
mbed_official 0:51ac1d130fd4 28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
mbed_official 0:51ac1d130fd4 29 * Ported to lwIP.
mbed_official 0:51ac1d130fd4 30 * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
mbed_official 0:51ac1d130fd4 31 * Original based on BSD magic.c.
mbed_official 0:51ac1d130fd4 32 *****************************************************************************/
mbed_official 0:51ac1d130fd4 33 /*
mbed_official 0:51ac1d130fd4 34 * magic.c - PPP Magic Number routines.
mbed_official 0:51ac1d130fd4 35 *
mbed_official 0:51ac1d130fd4 36 * Copyright (c) 1989 Carnegie Mellon University.
mbed_official 0:51ac1d130fd4 37 * All rights reserved.
mbed_official 0:51ac1d130fd4 38 *
mbed_official 0:51ac1d130fd4 39 * Redistribution and use in source and binary forms are permitted
mbed_official 0:51ac1d130fd4 40 * provided that the above copyright notice and this paragraph are
mbed_official 0:51ac1d130fd4 41 * duplicated in all such forms and that any documentation,
mbed_official 0:51ac1d130fd4 42 * advertising materials, and other materials related to such
mbed_official 0:51ac1d130fd4 43 * distribution and use acknowledge that the software was developed
mbed_official 0:51ac1d130fd4 44 * by Carnegie Mellon University. The name of the
mbed_official 0:51ac1d130fd4 45 * University may not be used to endorse or promote products derived
mbed_official 0:51ac1d130fd4 46 * from this software without specific prior written permission.
mbed_official 0:51ac1d130fd4 47 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
mbed_official 0:51ac1d130fd4 48 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
mbed_official 0:51ac1d130fd4 49 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
mbed_official 0:51ac1d130fd4 50 */
mbed_official 0:51ac1d130fd4 51
mbed_official 0:51ac1d130fd4 52 #include "lwip/opt.h"
mbed_official 0:51ac1d130fd4 53
mbed_official 0:51ac1d130fd4 54 #if PPP_SUPPORT
mbed_official 0:51ac1d130fd4 55
mbed_official 0:51ac1d130fd4 56 #include "ppp.h"
mbed_official 0:51ac1d130fd4 57 #include "randm.h"
mbed_official 0:51ac1d130fd4 58 #include "magic.h"
mbed_official 0:51ac1d130fd4 59
mbed_official 0:51ac1d130fd4 60
mbed_official 0:51ac1d130fd4 61 /*
mbed_official 0:51ac1d130fd4 62 * magicInit - Initialize the magic number generator.
mbed_official 0:51ac1d130fd4 63 *
mbed_official 0:51ac1d130fd4 64 * Since we use another random number generator that has its own
mbed_official 0:51ac1d130fd4 65 * initialization, we do nothing here.
mbed_official 0:51ac1d130fd4 66 */
mbed_official 0:51ac1d130fd4 67 void magicInit()
mbed_official 0:51ac1d130fd4 68 {
mbed_official 0:51ac1d130fd4 69 return;
mbed_official 0:51ac1d130fd4 70 }
mbed_official 0:51ac1d130fd4 71
mbed_official 0:51ac1d130fd4 72 /*
mbed_official 0:51ac1d130fd4 73 * magic - Returns the next magic number.
mbed_official 0:51ac1d130fd4 74 */
mbed_official 0:51ac1d130fd4 75 u32_t magic()
mbed_official 0:51ac1d130fd4 76 {
mbed_official 0:51ac1d130fd4 77 return avRandom();
mbed_official 0:51ac1d130fd4 78 }
mbed_official 0:51ac1d130fd4 79
mbed_official 0:51ac1d130fd4 80 #endif /* PPP_SUPPORT */