diff options
| author | Martin Matuska <mm@FreeBSD.org> | 2012-07-01 07:57:18 +0000 | 
|---|---|---|
| committer | Martin Matuska <mm@FreeBSD.org> | 2012-07-01 07:57:18 +0000 | 
| commit | 279585e29d530668207488f5f483d24ebec644bd (patch) | |
| tree | 8a949ba383eb3e66222391418addffef843dee8c /lib/libuutil/common/uu_open.c | |
| parent | d23f7505a7c72baf56372e2812a5c4ee1395d5ec (diff) | |
Notes
Diffstat (limited to 'lib/libuutil/common/uu_open.c')
| -rw-r--r-- | lib/libuutil/common/uu_open.c | 70 | 
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/libuutil/common/uu_open.c b/lib/libuutil/common/uu_open.c new file mode 100644 index 000000000000..7256662e38f6 --- /dev/null +++ b/lib/libuutil/common/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); +}  | 
