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Revision 1.12, Tue Oct 13 22:00:31 2009 UTC (10 years, 5 months ago) by pooka
Branch: MAIN
CVS Tags: yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-base, netbsd-7-1-RC1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-premerge-20091211, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-mips64-premerge-20101231, cherry-xenmp-base, cherry-xenmp, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver
Branch point for: netbsd-7-nhusb, netbsd-7
Changes since 1.11: +5 -5 lines

In a furious blaze of *facepalm* / "what was i thinking?", fix the
open routine function pointer prototype of opendisk1() to match
the prototype of open().

/*	$NetBSD: opendisk.c,v 1.12 2009/10/13 22:00:31 pooka Exp $	*/

/*-
 * Copyright (c) 1997 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Luke Mewburn.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: opendisk.c,v 1.12 2009/10/13 22:00:31 pooka Exp $");
#endif

#include <sys/param.h>

#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <util.h>
#include <paths.h>
#include <stdio.h>
#include <string.h>

static int
__opendisk(const char *path, int flags, char *buf, size_t buflen, int iscooked,
	int (*ofn)(const char *, int, ...))
{
	int f, rawpart;

	if (buf == NULL) {
		errno = EFAULT;
		return (-1);
	}
	snprintf(buf, buflen, "%s", path);

	if ((flags & O_CREAT) != 0) {
		errno = EINVAL;
		return (-1);
	}

	rawpart = getrawpartition();
	if (rawpart < 0)
		return (-1);	/* sysctl(3) in getrawpartition sets errno */

	f = ofn(buf, flags, 0);
	if (f != -1 || errno != ENOENT)
		return (f);

	snprintf(buf, buflen, "%s%c", path, 'a' + rawpart);
	f = ofn(buf, flags, 0);
	if (f != -1 || errno != ENOENT)
		return (f);

	if (strchr(path, '/') != NULL)
		return (-1);

	snprintf(buf, buflen, "%s%s%s", _PATH_DEV, iscooked ? "" : "r", path);
	f = ofn(buf, flags, 0);
	if (f != -1 || errno != ENOENT)
		return (f);

	snprintf(buf, buflen, "%s%s%s%c", _PATH_DEV, iscooked ? "" : "r", path,
	    'a' + rawpart);
	f = ofn(buf, flags, 0);
	return (f);
}

int
opendisk(const char *path, int flags, char *buf, size_t buflen, int iscooked)
{

	return __opendisk(path, flags, buf, buflen, iscooked, open);
}

int
opendisk1(const char *path, int flags, char *buf, size_t buflen, int iscooked,
	int (*ofn)(const char *, int, ...))
{

	return __opendisk(path, flags, buf, buflen, iscooked, ofn);
}