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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* copyright (c) 2002 Francois Revol
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdlib.h>
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#include <strings.h>
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#include "barpainet.h"
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int inet_aton (const char * str, struct in_addr * add) {
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const char * pch = str;
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unsigned int add1 = 0, add2 = 0, add3 = 0, add4 = 0;
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add1 = atoi(pch);
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pch = strpbrk(pch,".");
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if (pch == 0 || ++pch == 0) goto done;
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add2 = atoi(pch);
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pch = strpbrk(pch,".");
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if (pch == 0 || ++pch == 0) goto done;
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add3 = atoi(pch);
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pch = strpbrk(pch,".");
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if (pch == 0 || ++pch == 0) goto done;
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add4 = atoi(pch);
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done:
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add->s_addr=(add4<<24)+(add3<<16)+(add2<<8)+add1;
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return 1;
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}
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