/*
   * Generic network code. Moved from net.c
   *
   * Copyright 1994 - 2000 Neil Russell.
   * Copyright 2000 Roland Borde
   * Copyright 2000 Paolo Scaffardi
   * Copyright 2000-2002 Wolfgang Denk, wd@denx.de
   * Copyright 2009 Dirk Behme, dirk.behme@googlemail.com
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #include <common.h>
  
  struct in_addr string_to_ip(const char *s)
  {
  	struct in_addr addr;
  	char *e;
  	int i;
  
  	addr.s_addr = 0;
  	if (s == NULL)
  		return addr;
  
  	for (addr.s_addr = 0, i = 0; i < 4; ++i) {
  		ulong val = s ? simple_strtoul(s, &e, 10) : 0;
  		if (val > 255) {
  			addr.s_addr = 0;
  			return addr;
  		}
  		if (i != 3 && *e != '.') {
  			addr.s_addr = 0;
  			return addr;
  		}
  		addr.s_addr <<= 8;
  		addr.s_addr |= (val & 0xFF);
  		if (s) {
  			s = (*e) ? e+1 : e;
  		}
  	}
  
  	addr.s_addr = htonl(addr.s_addr);
  	return addr;
  }