From 05882f672fb3bf8797e68cc2d68f8406e1cb7b07 Mon Sep 17 00:00:00 2001
From: downsj <>
Date: Thu, 13 Mar 1997 19:07:41 +0000
Subject: Integrate BIND 4.9.5 resolver and associated routines.

Includes the DNS aware getnetby*() routines and IPv6 support.
---
 src/lib/libc/net/inet_neta.c | 82 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 src/lib/libc/net/inet_neta.c

(limited to 'src/lib/libc/net/inet_neta.c')

diff --git a/src/lib/libc/net/inet_neta.c b/src/lib/libc/net/inet_neta.c
new file mode 100644
index 0000000000..dffd1631b1
--- /dev/null
+++ b/src/lib/libc/net/inet_neta.c
@@ -0,0 +1,82 @@
+/*	$OpenBSD: inet_neta.c,v 1.1 1997/03/13 19:07:31 downsj Exp $	*/
+
+/*
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static const char rcsid[] = "$Id: inet_neta.c,v 1.1 1997/03/13 19:07:31 downsj Exp $";
+#else
+static const char rcsid[] = "$OpenBSD: inet_neta.c,v 1.1 1997/03/13 19:07:31 downsj Exp $";
+#endif
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+
+/*
+ * char *
+ * inet_neta(src, dst, size)
+ *	format a u_long network number into presentation format.
+ * return:
+ *	pointer to dst, or NULL if an error occurred (check errno).
+ * note:
+ *	format of ``src'' is as for inet_network().
+ * author:
+ *	Paul Vixie (ISC), July 1996
+ */
+char *
+inet_neta(src, dst, size)
+	u_long src;
+	char *dst;
+	size_t size;
+{
+	char *odst = dst;
+	char *tp;
+
+	while (src & 0xffffffff) {
+		u_char b = (src & 0xff000000) >> 24;
+
+		src <<= 8;
+		if (b) {
+			if (size < sizeof "255.")
+				goto emsgsize;
+			tp = dst;
+			dst += sprintf(dst, "%u", b);
+			if (src != 0L) {
+				*dst++ = '.';
+				*dst = '\0';
+			}
+			size -= (size_t)(dst - tp);
+		}
+	}
+	if (dst == odst) {
+		if (size < sizeof "0.0.0.0")
+			goto emsgsize;
+		strcpy(dst, "0.0.0.0");
+	}
+	return (odst);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (NULL);
+}
-- 
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