entered into RCS

1 files changed, 91 insertions, 0 deletions

diff --git a/pfinet/linux-inet/utils.c b/pfinet/linux-inet/utils.c
new file mode 100644
index 00000000..60bbb9f8
--- /dev/null
+++ b/pfinet/linux-inet/utils.c
@@ -0,0 +1,91 @@
+/*
+ * 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:	@(#)utils.c	1.0.7	05/18/93
+ *
+ * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
+ *
+ * Fixes:
+ *		Alan Cox	:	verify_area check.
+ *		Alan Cox	:	removed old debugging.
+ *
+ *
+ *		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 <asm/segment.h>
+#include <asm/system.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/errno.h>
+#include <linux/stat.h>
+#include <stdarg.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include "ip.h"
+#include "protocol.h"
+#include "tcp.h"
+#include <linux/skbuff.h>
+
+
+/*
+ *	Display an IP address in readable format. 
+ */
+ 
+char *in_ntoa(unsigned long in)
+{
+	static char buff[18];
+	char *p;
+
+	p = (char *) &in;
+	sprintf(buff, "%d.%d.%d.%d",
+		(p[0] & 255), (p[1] & 255), (p[2] & 255), (p[3] & 255));
+	return(buff);
+}
+
+
+/*
+ *	Convert an ASCII string to binary IP. 
+ */
+ 
+unsigned long in_aton(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));
+}
+