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authorBrian Behlendorf <[email protected]>2008-12-11 11:25:15 -0800
committerBrian Behlendorf <[email protected]>2008-12-11 11:25:15 -0800
commitcdd670cb2fb410b61bb01a6d13aeafa01175155b (patch)
tree3f7ee925fcefa31ee5a17aa880d60971d312cde0 /lib/libuutil/uu_open.c
parent5137b305eb858ed16859060f4149ac3be8c70e03 (diff)
parentb453b61272db34cd097f8636f57033785b00d932 (diff)
Merge commit 'refs/top-bases/gcc-missing-case' into gcc-missing-case
Diffstat (limited to 'lib/libuutil/uu_open.c')
-rw-r--r--lib/libuutil/uu_open.c70
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);
+}