1 /* 2 * Generic network code. Moved from net.c 3 * 4 * Copyright 1994 - 2000 Neil Russell. 5 * Copyright 2000 Roland Borde 6 * Copyright 2000 Paolo Scaffardi 7 * Copyright 2000-2002 Wolfgang Denk, wd@denx.de 8 * Copyright 2009 Dirk Behme, dirk.behme@googlemail.com 9 * 10 * See file CREDITS for list of people who contributed to this 11 * project. 12 * 13 * This program is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public License as 15 * published by the Free Software Foundation; either version 2 of 16 * the License, or (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 26 * MA 02111-1307 USA 27 */ 28 29 #include <common.h> 30 31 IPaddr_t string_to_ip(const char *s) 32 { 33 IPaddr_t addr; 34 char *e; 35 int i; 36 37 if (s == NULL) 38 return(0); 39 40 for (addr=0, i=0; i<4; ++i) { 41 ulong val = s ? simple_strtoul(s, &e, 10) : 0; 42 addr <<= 8; 43 addr |= (val & 0xFF); 44 if (s) { 45 s = (*e) ? e+1 : e; 46 } 47 } 48 49 return (htonl(addr)); 50 } 51