Imported Upstream version 93u+upstream

1 files changed, 43 insertions, 0 deletions

diff --git a/src/lib/libast/string/fmtip4.c b/src/lib/libast/string/fmtip4.c
new file mode 100644
index 0000000..3920c7f
--- /dev/null
+++ b/src/lib/libast/string/fmtip4.c
@@ -0,0 +1,43 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+
+#include <ast.h>
+
+/*
+ * format 4 byte local byte order ip address
+ * and optional prefix bits (if 0 <= bits <= 32)
+ */
+
+char*
+fmtip4(register uint32_t addr, int bits)
+{
+	char*	buf;
+	int	z;
+	int	i;
+
+	buf = fmtbuf(z = 20);
+	i = sfsprintf(buf, z, "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, (addr)&0xff);
+	if (bits >= 0 && bits <= 32)
+		sfsprintf(buf + i, z - i, "/%d", bits);
+	return buf;
+}