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-rw-r--r--net/ipv4/utils.c59
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diff --git a/net/ipv4/utils.c b/net/ipv4/utils.c
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+/*
+ * INET An implementation of the TCP/IP protocol suite for the LINUX
+ * operating system. INET is implemented using the BSD Socket
+ * interface as the means of communication with the user level.
+ *
+ * Various kernel-resident INET utility functions; mainly
+ * for format conversion and debugging output.
+ *
+ * Version: $Id: utils.c,v 1.8 2000/10/03 07:29:01 anton Exp $
+ *
+ * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ * Fixes:
+ * Alan Cox : verify_area check.
+ * Alan Cox : removed old debugging.
+ * Andi Kleen : add net_ratelimit()
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <asm/byteorder.h>
+
+/*
+ * Convert an ASCII string to binary IP.
+ */
+
+__u32 in_aton(const char *str)
+{
+ unsigned long l;
+ unsigned int val;
+ int i;
+
+ l = 0;
+ for (i = 0; i < 4; i++)
+ {
+ l <<= 8;
+ if (*str != '\0')
+ {
+ val = 0;
+ while (*str != '\0' && *str != '.')
+ {
+ val *= 10;
+ val += *str - '0';
+ str++;
+ }
+ l |= val;
+ if (*str != '\0')
+ str++;
+ }
+ }
+ return(htonl(l));
+}
+
+EXPORT_SYMBOL(in_aton);