60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
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/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "util.h"
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int net_parse_macaddr(uint8_t *macaddr, const char *p)
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{
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int i;
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char *last_char;
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long int offset;
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errno = 0;
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offset = strtol(p, &last_char, 0);
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if (errno == 0 && *last_char == '\0' &&
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offset >= 0 && offset <= 0xFFFFFF) {
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macaddr[3] = (offset & 0xFF0000) >> 16;
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macaddr[4] = (offset & 0xFF00) >> 8;
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macaddr[5] = offset & 0xFF;
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return 0;
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}
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for (i = 0; i < 6; i++) {
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macaddr[i] = strtol(p, (char **)&p, 16);
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if (i == 5) {
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if (*p != '\0') {
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return -1;
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}
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} else {
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if (*p != ':' && *p != '-') {
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return -1;
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}
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p++;
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}
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}
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return 0;
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}
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