freebsd-skq/lib/libufs/type.c
Juli Mallett 585e540203 In getino, have our DEBUG message in the unhandled case mention that it
does not know what sort of UFS filesystem this is.

Add some DEBUG(NULL)'s to function entry points.
2002-07-01 18:19:20 +00:00

117 lines
2.6 KiB
C

/*
* Copyright (c) 2002 Juli Mallett. All rights reserved.
*
* This software was written by Juli Mallett <jmallett@FreeBSD.org> for the
* FreeBSD project. Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the following
* conditions are met:
*
* 1. Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistribution 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 AUTHOR ``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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/disklabel.h>
#include <sys/stat.h>
#include <ufs/ufs/ufsmount.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libufs.h>
struct uufsd *
ufs_disk_ctor(const char *name)
{
struct uufsd *new;
DEBUG(NULL);
new = malloc(sizeof(*new));
if (new == NULL) {
DEBUG(NULL);
return NULL;
}
if (ufs_disk_fillout(new, name) == -1) {
DEBUG(NULL);
free(new);
return NULL;
}
return new;
}
void
ufs_disk_dtor(struct uufsd **disk)
{
DEBUG(NULL);
ufs_disk_close(*disk);
free(*disk);
*disk = NULL;
}
int
ufs_disk_close(struct uufsd *disk)
{
DEBUG(NULL);
close(disk->d_fd);
if (disk->d_inoblock != NULL) {
free(disk->d_inoblock);
disk->d_inoblock = NULL;
}
return 0;
}
int
ufs_disk_fillout(struct uufsd *disk, const char *name)
{
int fd;
DEBUG(NULL);
fd = open(name, O_RDONLY);
if (fd == -1) {
DEBUG("open");
return -1;
}
disk->d_bsize = 1;
disk->d_fd = fd;
disk->d_inoblock = NULL;
disk->d_name = name;
if (sbread(disk) == -1) {
DEBUG(NULL);
return -1;
}
return 0;
}