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 "qemu/osdep.h" 26 #include "util.h" 27 28 int net_parse_macaddr(uint8_t *macaddr, const char *p) 29 { 30 int i; 31 char *last_char; 32 long int offset; 33 34 errno = 0; 35 offset = strtol(p, &last_char, 0); 36 if (errno == 0 && *last_char == '\0' && 37 offset >= 0 && offset <= 0xFFFFFF) { 38 macaddr[3] = (offset & 0xFF0000) >> 16; 39 macaddr[4] = (offset & 0xFF00) >> 8; 40 macaddr[5] = offset & 0xFF; 41 return 0; 42 } 43 44 for (i = 0; i < 6; i++) { 45 macaddr[i] = strtol(p, (char **)&p, 16); 46 if (i == 5) { 47 if (*p != '\0') { 48 return -1; 49 } 50 } else { 51 if (*p != ':' && *p != '-') { 52 return -1; 53 } 54 p++; 55 } 56 } 57 58 return 0; 59 } 60