u-boot/lib/net_utils.c

/*
 * 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>

IPaddr_t string_to_ip(const char *s)
{
	IPaddr_t addr;
	char *e;
	int i;

	if (s == NULL)
		return(0);

	for (addr=0, i=0; i<4; ++i) {
		ulong val = s ? simple_strtoul(s, &e, 10) : 0;
		addr <<= 8;
		addr |= (val & 0xFF);
		if (s) {
			s = (*e) ? e+1 : e;
		}
	}

	return (htonl(addr));
}