From 774a362e87feab25f1be16fbca08269ddc7121a4 Mon Sep 17 00:00:00 2001
From: Rene Mayrhofer <rene@mayrhofer.eu.org>
Date: Thu, 12 Apr 2007 20:41:31 +0000
Subject: Major new upstream release, just ran svn-upgrade for now (and wrote
some debian/changelong entries).
---
src/libfreeswan/addrtoa.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 68 insertions(+)
create mode 100644 src/libfreeswan/addrtoa.c
(limited to 'src/libfreeswan/addrtoa.c')
diff --git a/src/libfreeswan/addrtoa.c b/src/libfreeswan/addrtoa.c
new file mode 100644
index 000000000..b1cc038ed
--- /dev/null
+++ b/src/libfreeswan/addrtoa.c
@@ -0,0 +1,68 @@
+/*
+ * addresses to ASCII
+ * Copyright (C) 1998, 1999 Henry Spencer.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
+ * License for more details.
+ *
+ * RCSID $Id: addrtoa.c,v 1.1 2004/03/15 20:35:25 as Exp $
+ */
+#include "internal.h"
+#include "freeswan.h"
+
+#define NBYTES 4 /* bytes in an address */
+#define PERBYTE 4 /* three digits plus a dot or NUL */
+#define BUFLEN (NBYTES*PERBYTE)
+
+#if BUFLEN != ADDRTOA_BUF
+#error "ADDRTOA_BUF in freeswan.h inconsistent with addrtoa() code"
+#endif
+
+/*
+ - addrtoa - convert binary address to ASCII dotted decimal
+ */
+size_t /* space needed for full conversion */
+addrtoa(addr, format, dst, dstlen)
+struct in_addr addr;
+int format; /* character */
+char *dst; /* need not be valid if dstlen is 0 */
+size_t dstlen;
+{
+ unsigned long a = ntohl(addr.s_addr);
+ int i;
+ size_t n;
+ unsigned long byte;
+ char buf[BUFLEN];
+ char *p;
+
+ switch (format) {
+ case 0:
+ break;
+ default:
+ return 0;
+ break;
+ }
+
+ p = buf;
+ for (i = NBYTES-1; i >= 0; i--) {
+ byte = (a >> (i*8)) & 0xff;
+ p += ultoa(byte, 10, p, PERBYTE);
+ if (i != 0)
+ *(p-1) = '.';
+ }
+ n = p - buf;
+
+ if (dstlen > 0) {
+ if (n > dstlen)
+ buf[dstlen - 1] = '\0';
+ strcpy(dst, buf);
+ }
+ return n;
+}
--
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