1 files changed, 61 insertions, 0 deletions
diff --git a/usr/src/lib/libpkg/common/path_valid.c b/usr/src/lib/libpkg/common/path_valid.c
new file mode 100644
index 0000000000..c320685cdb
--- /dev/null
+++ b/usr/src/lib/libpkg/common/path_valid.c
@@ -0,0 +1,61 @@
+/*
+ * 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 (c) 2017 Peter Tribble.
+ */
+
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
+/* All Rights Reserved */
+
+#include <limits.h>
+#include <string.h>
+#include <sys/types.h>
+
+/*
+ * Name:		path_valid
+ * Description:	Checks a string for being a valid path
+ *
+ * Arguments:	path - path to validate
+ *
+ * Returns :	B_TRUE - success, B_FALSE otherwise.
+ *		B_FALSE means path was null, too long (>PATH_MAX),
+ *		or too short (<1)
+ */
+boolean_t
+path_valid(char *path)
+{
+	if (path == NULL) {
+		return (B_FALSE);
+	} else if (strlen(path) > PATH_MAX) {
+		return (B_FALSE);
+	} else if (strlen(path) >= 1) {
+		return (B_TRUE);
+	} else {
+		/* path < 1 */
+		return (B_FALSE);
+	}
+}