1 files changed, 59 insertions, 0 deletions

diff --git a/net/ipv4/utils.c b/net/ipv4/utils.c
new file mode 100644
index 000000000000..6aecd7a43534
--- /dev/null
+++ b/net/ipv4/utils.c
@@ -0,0 +1,59 @@
+/*
+ * 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);