Rename lib_generic/ to lib/

[karo-tx-uboot.git] / lib / net_utils.c

diff --git a/lib/net_utils.c b/lib/net_utils.c
new file mode 100644 (file)
index 0000000..f03b098
--- /dev/null
+++ b/lib/net_utils.c
@@ -0,0 +1,50 @@
+/*
+ * 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
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+IPaddr_t string_to_ip(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));
+}