1 /* 2 * QEMU System Emulator 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "util.h" 26 #include <errno.h> 27 #include <stdlib.h> 28 29 int net_parse_macaddr(uint8_t *macaddr, const char *p) 30 { 31 int i; 32 char *last_char; 33 long int offset; 34 35 errno = 0; 36 offset = strtol(p, &last_char, 0); 37 if (errno == 0 && *last_char == '\0' && 38 offset >= 0 && offset <= 0xFFFFFF) { 39 macaddr[3] = (offset & 0xFF0000) >> 16; 40 macaddr[4] = (offset & 0xFF00) >> 8; 41 macaddr[5] = offset & 0xFF; 42 return 0; 43 } 44 45 for (i = 0; i < 6; i++) { 46 macaddr[i] = strtol(p, (char **)&p, 16); 47 if (i == 5) { 48 if (*p != '\0') { 49 return -1; 50 } 51 } else { 52 if (*p != ':' && *p != '-') { 53 return -1; 54 } 55 p++; 56 } 57 } 58 59 return 0; 60 } 61