178acc472SPeter Tyser /* 278acc472SPeter Tyser * Generic network code. Moved from net.c 378acc472SPeter Tyser * 478acc472SPeter Tyser * Copyright 1994 - 2000 Neil Russell. 578acc472SPeter Tyser * Copyright 2000 Roland Borde 678acc472SPeter Tyser * Copyright 2000 Paolo Scaffardi 778acc472SPeter Tyser * Copyright 2000-2002 Wolfgang Denk, wd@denx.de 878acc472SPeter Tyser * Copyright 2009 Dirk Behme, dirk.behme@googlemail.com 978acc472SPeter Tyser * 101a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 1178acc472SPeter Tyser */ 1278acc472SPeter Tyser 1378acc472SPeter Tyser #include <common.h> 1478acc472SPeter Tyser 15049a95a7SJoe Hershberger struct in_addr string_to_ip(const char *s) 1678acc472SPeter Tyser { 17049a95a7SJoe Hershberger struct in_addr addr; 1878acc472SPeter Tyser char *e; 1978acc472SPeter Tyser int i; 2078acc472SPeter Tyser 21049a95a7SJoe Hershberger addr.s_addr = 0; 2278acc472SPeter Tyser if (s == NULL) 23049a95a7SJoe Hershberger return addr; 2478acc472SPeter Tyser 25049a95a7SJoe Hershberger for (addr.s_addr = 0, i = 0; i < 4; ++i) { 2678acc472SPeter Tyser ulong val = s ? simple_strtoul(s, &e, 10) : 0; 27*d921ed9aSChris Packham if (val > 255) { 28*d921ed9aSChris Packham addr.s_addr = 0; 29*d921ed9aSChris Packham return addr; 30*d921ed9aSChris Packham } 31049a95a7SJoe Hershberger addr.s_addr <<= 8; 32049a95a7SJoe Hershberger addr.s_addr |= (val & 0xFF); 3378acc472SPeter Tyser if (s) { 3478acc472SPeter Tyser s = (*e) ? e+1 : e; 3578acc472SPeter Tyser } 3678acc472SPeter Tyser } 3778acc472SPeter Tyser 38049a95a7SJoe Hershberger addr.s_addr = htonl(addr.s_addr); 39049a95a7SJoe Hershberger return addr; 4078acc472SPeter Tyser } 41