diff options
author | Brian Behlendorf <[email protected]> | 2008-12-11 11:25:15 -0800 |
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committer | Brian Behlendorf <[email protected]> | 2008-12-11 11:25:15 -0800 |
commit | cdd670cb2fb410b61bb01a6d13aeafa01175155b (patch) | |
tree | 3f7ee925fcefa31ee5a17aa880d60971d312cde0 /lib/libuutil/uu_open.c | |
parent | 5137b305eb858ed16859060f4149ac3be8c70e03 (diff) | |
parent | b453b61272db34cd097f8636f57033785b00d932 (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.c | 70 |
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); +} |