From 572e285762521df27fe5b026f409ba1a21abb7ac Mon Sep 17 00:00:00 2001
From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Thu, 26 Aug 2010 14:24:34 -0700
Subject: Update to onnv_147

This is the last official OpenSolaris tag before the public
development tree was closed.
---
 lib/libuutil/uu_alloc.c | 41 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

(limited to 'lib/libuutil/uu_alloc.c')

diff --git a/lib/libuutil/uu_alloc.c b/lib/libuutil/uu_alloc.c
index 05d862287..2bef759d5 100644
--- a/lib/libuutil/uu_alloc.c
+++ b/lib/libuutil/uu_alloc.c
@@ -19,8 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
+ * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
 #include "libuutil_common.h"
@@ -67,6 +66,44 @@ uu_strdup(const char *str)
 	return (buf);
 }
 
+/*
+ * Duplicate up to n bytes of a string.  Kind of sort of like
+ * strdup(strlcpy(s, n)).
+ */
+char *
+uu_strndup(const char *s, size_t n)
+{
+	size_t len;
+	char *p;
+
+	len = strnlen(s, n);
+	p = uu_zalloc(len + 1);
+	if (p == NULL)
+		return (NULL);
+
+	if (len > 0)
+		(void) memcpy(p, s, len);
+	p[len] = '\0';
+
+	return (p);
+}
+
+/*
+ * Duplicate a block of memory.  Combines malloc with memcpy, much as
+ * strdup combines malloc, strlen, and strcpy.
+ */
+void *
+uu_memdup(const void *buf, size_t sz)
+{
+	void *p;
+
+	p = uu_zalloc(sz);
+	if (p == NULL)
+		return (NULL);
+	(void) memcpy(p, buf, sz);
+	return (p);
+}
+
 char *
 uu_msprintf(const char *format, ...)
 {
-- 
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