1 files changed, 105 insertions, 0 deletions
diff --git a/contrib/tcpdump/missing/inet_ntop.c b/contrib/tcpdump/missing/inet_ntop.c
new file mode 100644
index 0000000..09506fd
--- /dev/null
+++ b/contrib/tcpdump/missing/inet_ntop.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 1999 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the Kungliga Tekniska
+ *      Högskolan and its contributors.
+ * 
+ * 4. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* $Id: inet_ntop.c,v 1.2.2.1 2000/01/11 06:58:30 fenner Exp $ */
+
+#ifndef lint
+static const char rcsid[] =
+     "@(#) $Header: /tcpdump/master/tcpdump/missing/inet_ntop.c,v 1.2.2.1 2000/01/11 06:58:30 fenner Exp $";
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+/*
+ *
+ */
+
+#ifndef INET_ADDRSTRLEN
+#define INET_ADDRSTRLEN    16
+#endif
+
+static const char *
+inet_ntop_v4 (const void *src, char *dst, size_t size)
+{
+    const char digits[] = "0123456789";
+    int i;
+    struct in_addr *addr = (struct in_addr *)src;
+    u_long a = ntohl(addr->s_addr);
+    const char *orig_dst = dst;
+
+    if (size < INET_ADDRSTRLEN) {
+	errno = ENOSPC;
+	return NULL;
+    }
+    for (i = 0; i < 4; ++i) {
+	int n = (a >> (24 - i * 8)) & 0xFF;
+	int non_zerop = 0;
+
+	if (non_zerop || n / 100 > 0) {
+	    *dst++ = digits[n / 100];
+	    n %= 100;
+	    non_zerop = 1;
+	}
+	if (non_zerop || n / 10 > 0) {
+	    *dst++ = digits[n / 10];
+	    n %= 10;
+	    non_zerop = 1;
+	}
+	*dst++ = digits[n];
+	if (i != 3)
+	    *dst++ = '.';
+    }
+    *dst++ = '\0';
+    return orig_dst;
+}
+
+const char *
+inet_ntop(int af, const void *src, char *dst, size_t size)
+{
+    switch (af) {
+    case AF_INET :
+	return inet_ntop_v4 (src, dst, size);
+    default :
+	errno = EAFNOSUPPORT;
+	return NULL;
+    }
+}