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authorBrian Behlendorf <[email protected]>2008-12-11 11:22:02 -0800
committerBrian Behlendorf <[email protected]>2008-12-11 11:22:02 -0800
commitb453b61272db34cd097f8636f57033785b00d932 (patch)
tree7b34209275befd3b3c99f3597cfcc83c1266d714 /lib/libspl/strnlen.c
parent4b7ee081ce0c36750d8039ec98c160a0a1ec471b (diff)
Fix libspl move to the wrong place
Diffstat (limited to 'lib/libspl/strnlen.c')
-rw-r--r--lib/libspl/strnlen.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/libspl/strnlen.c b/lib/libspl/strnlen.c
new file mode 100644
index 000000000..605245b6b
--- /dev/null
+++ b/lib/libspl/strnlen.c
@@ -0,0 +1,47 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2008 Sun Microsystems, Inc.
+ * All rights reserved. Use is subject to license terms.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include "lint.h"
+#include <string.h>
+#include <sys/types.h>
+
+/*
+ * Returns the number of non-NULL bytes in string argument,
+ * but not more than maxlen. Does not look past str + maxlen.
+ */
+size_t
+strnlen(const char *str, size_t maxlen)
+{
+ const char *ptr;
+
+ ptr = memchr(str, 0, maxlen);
+ if (ptr == NULL)
+ return (maxlen);
+
+ return (ptr - str);
+}