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https://github.com/AsahiLinux/u-boot
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2eeb4e95fb
Replace random()/srandom() use with rand()/srand() to support compilation with the mingw toolchain. The rand()/srand() functions are generally more common and are functionally equivalent to the original random()/srandom() calls. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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* (C) Copyright 2001
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* Murray Jensen <Murray.Jensen@cmst.csiro.au>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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int
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main(int argc, char *argv[])
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{
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unsigned long ethaddr_low, ethaddr_high;
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srand(time(0) | getpid());
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/*
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* setting the 2nd LSB in the most significant byte of
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* the address makes it a locally administered ethernet
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* address
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*/
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ethaddr_high = (rand() & 0xfeff) | 0x0200;
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ethaddr_low = rand();
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printf("%02lx:%02lx:%02lx:%02lx:%02lx:%02lx\n",
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ethaddr_high >> 8, ethaddr_high & 0xff,
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ethaddr_low >> 24, (ethaddr_low >> 16) & 0xff,
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(ethaddr_low >> 8) & 0xff, ethaddr_low & 0xff);
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return (0);
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}
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