55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
/*
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* \brief Xml-node routines used internally in NIC drivers
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* \author Sebastian Sumpf
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* \author Stefan Kalkowski
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* \date 2012-10-22
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*/
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/*
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* Copyright (C) 2012-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__NIC__XML_NODE_H_
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#define _INCLUDE__NIC__XML_NODE_H_
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#include <nic_session/nic_session.h>
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#include <util/string.h>
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namespace Genode {
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/**
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* Convert ASCII string to mac address
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*/
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inline size_t ascii_to(char const *s, Nic::Mac_address &mac)
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{
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enum {
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HEX = true,
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MAC_CHAR_LEN = 17, /* 12 number and 6 colons */
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MAC_SIZE = 6,
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};
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if(strlen(s) < MAC_CHAR_LEN)
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throw -1;
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char mac_str[6];
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for (int i = 0; i < MAC_SIZE; i++) {
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int hi = i * 3;
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int lo = hi + 1;
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if (!is_digit(s[hi], HEX) || !is_digit(s[lo], HEX))
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throw -1;
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mac_str[i] = (digit(s[hi], HEX) << 4) | digit(s[lo], HEX);
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}
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Genode::memcpy(mac.addr, mac_str, MAC_SIZE);
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return MAC_CHAR_LEN;
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}
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}
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#endif /* _INCLUDE__NIC__XML_NODE_H_ */
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