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44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/*
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* Hans - IP over ICMP
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* Copyright (C) 2009 Friedrich Schöller <hans@schoeller.se>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "utility.h"
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#include <stdlib.h>
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#include <stdio.h>
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using namespace std;
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string Utility::formatIp(uint32_t ip)
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{
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char buffer[16];
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sprintf(buffer, "%d.%d.%d.%d", (ip >> 24) & 0xff, (ip >> 16) & 0xff, (ip >> 8) & 0xff, ip & 0xff);
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return buffer;
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}
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int Utility::rand()
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{
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static bool init = false;
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if (!init)
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{
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init = true;
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srand(time(NULL));
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}
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return ::rand();
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}
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