Move the world out of /zfs/ and seperate out module build tree

1 files changed, 70 insertions, 0 deletions

diff --git a/lib/libuutil/uu_open.c b/lib/libuutil/uu_open.c
new file mode 100644
index 000000000..7256662e3
--- /dev/null
+++ b/lib/libuutil/uu_open.c
@@ -0,0 +1,70 @@
+/*
+ * 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.
+ *
+ * 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 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include "libuutil_common.h"
+
+#include <sys/time.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#ifdef _LP64
+#define	TMPPATHFMT	"%s/uu%ld"
+#else /* _LP64 */
+#define	TMPPATHFMT	"%s/uu%lld"
+#endif /* _LP64 */
+
+/*ARGSUSED*/
+int
+uu_open_tmp(const char *dir, uint_t uflags)
+{
+	int f;
+	char *fname = uu_zalloc(PATH_MAX);
+
+	if (fname == NULL)
+		return (-1);
+
+	for (;;) {
+		(void) snprintf(fname, PATH_MAX, "%s/uu%lld", dir, gethrtime());
+
+		f = open(fname, O_CREAT | O_EXCL | O_RDWR, 0600);
+
+		if (f >= 0 || errno != EEXIST)
+			break;
+	}
+
+	if (f >= 0)
+		(void) unlink(fname);
+
+	uu_free(fname);
+
+	return (f);
+}