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43 lines
822 B
43 lines
822 B
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Generic network code. Moved from net.c |
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* |
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* Copyright 1994 - 2000 Neil Russell. |
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* Copyright 2000 Roland Borde |
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* Copyright 2000 Paolo Scaffardi |
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* Copyright 2000-2002 Wolfgang Denk, [email protected] |
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* Copyright 2009 Dirk Behme, [email protected] |
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*/ |
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#include <common.h> |
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struct in_addr string_to_ip(const char *s) |
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{ |
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struct in_addr addr; |
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char *e; |
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int i; |
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addr.s_addr = 0; |
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if (s == NULL) |
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return addr; |
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for (addr.s_addr = 0, i = 0; i < 4; ++i) { |
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ulong val = s ? simple_strtoul(s, &e, 10) : 0; |
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if (val > 255) { |
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addr.s_addr = 0; |
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return addr; |
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} |
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if (i != 3 && *e != '.') { |
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addr.s_addr = 0; |
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return addr; |
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} |
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addr.s_addr <<= 8; |
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addr.s_addr |= (val & 0xFF); |
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if (s) { |
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s = (*e) ? e+1 : e; |
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} |
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} |
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addr.s_addr = htonl(addr.s_addr); |
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return addr; |
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}
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