6640490 lofiadm should not include zlib.h

1 files changed, 27 insertions, 5 deletions

diff --git a/usr/src/cmd/lofiadm/utils.c b/usr/src/cmd/lofiadm/utils.c
index eee1e5b5d8..349fab1c2b 100644
--- a/usr/src/cmd/lofiadm/utils.c
+++ b/usr/src/cmd/lofiadm/utils.c
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * 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.
@@ -20,8 +19,8 @@
  * CDDL HEADER END
  */
 /*
- * Copyright (c) 1999-2000 by Sun Microsystems, Inc.
- * All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
  */
 
 #pragma ident	"%Z%%M%	%I%	%E% SMI"
@@ -37,9 +36,13 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <errno.h>
+#include <dlfcn.h>
+#include <link.h>
 
 #include "utils.h"
 
+static void *lib_hdl = NULL;
+
 static const char PNAME_FMT[] = "%s: ";
 static const char ERRNO_FMT[] = ": %s\n";
 
@@ -112,3 +115,22 @@ valid_abspath(const char *p)
 
 	return (1);
 }
+
+/*
+ * Wrapper for dlopen'ing a library.
+ * The caller must call closelib() once
+ * access to the library is no longer needed.
+ */
+void *
+openlib(const char *lib)
+{
+	lib_hdl = dlopen(lib, RTLD_LAZY);
+	return (lib_hdl);
+}
+
+void
+closelib()
+{
+	if (lib_hdl != NULL)
+		(void) dlclose(lib_hdl);
+}