OpenSolaris Launch

1 files changed, 43 insertions, 0 deletions

diff --git a/usr/src/lib/libresolv2/common/dnssafe/bigcmp.c b/usr/src/lib/libresolv2/common/dnssafe/bigcmp.c
new file mode 100644
index 0000000000..f4df4281f8
--- /dev/null
+++ b/usr/src/lib/libresolv2/common/dnssafe/bigcmp.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 1999 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/* Copyright (C) RSA Data Security, Inc. created 1986, 1996.  This is an
+   unpublished work protected as such under copyright law.  This work
+   contains proprietary, confidential, and trade secret information of
+   RSA Data Security, Inc.  Use, disclosure or reproduction without the
+   express written authorization of RSA Data Security, Inc. is
+   prohibited.
+ */
+
+#include "port_before.h"
+#include "global.h"
+#include "bigmath.h"
+#include "port_after.h"
+
+/* Comparison operator.
+   BigCmp (a, b, n) -- returns sign of a-b.
+ */
+int BigCmp (a, b, n)
+UINT2 *a, *b;
+unsigned int n;
+{
+  register int i;
+  int aSign = BigSign (a, n), bSign = BigSign (b, n);
+
+  if (aSign > bSign)
+    return (1);
+  if (aSign < bSign)
+    return (-1);
+  
+  for (i = n-1; i >= 0 && a[i] == b[i]; i--);
+  
+  if (i == -1)
+    return (0);
+  if (a[i] > b[i])
+    return (1);
+  return (-1);
+}