freebsd-dev/tools/diag/prtblknos/main.c

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/*
* Copyright (c) 1998, 2003, 2013, 2018 Marshall Kirk McKusick.
* All Rights Reserved.
*
* 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 MARSHALL KIRK MCKUSICK ``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 MARSHALL KIRK MCKUSICK 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.
*
* $FreeBSD$
*/
#include <ufs/ffs/fs.h>
#include <err.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>
#include <libufs.h>
union dinode {
struct ufs1_dinode *dp1;
struct ufs2_dinode *dp2;
};
void prtblknos(struct uufsd *disk, union dinode *dp);
int
main(argc, argv)
int argc;
char *argv[];
{
struct uufsd disk;
union dinode *dp;
struct fs *fs;
struct stat sb;
struct statfs sfb;
char *xargv[4];
char ibuf[64];
char *fsname, *filename;
ino_t inonum;
int error;
filename = NULL;
if (argc == 2) {
filename = argv[1];
if (lstat(filename, &sb) != 0)
err(1, "stat(%s)", filename);
if (statfs(filename, &sfb) != 0)
err(1, "statfs(%s)", filename);
xargv[0] = argv[0];
xargv[1] = sfb.f_mntfromname;
sprintf(ibuf, "%jd", (intmax_t)sb.st_ino);
xargv[2] = ibuf;
xargv[3] = NULL;
argv = xargv;
argc = 3;
}
if (argc < 3) {
(void)fprintf(stderr, "%s\n%s\n",
"usage: prtblknos filename",
" prtblknos filesystem inode ...");
exit(1);
}
fsname = *++argv;
/* get the superblock. */
if ((error = ufs_disk_fillout(&disk, fsname)) < 0)
err(1, "Cannot access file system superblock on %s", fsname);
fs = (struct fs *)&disk.d_sb;
/* remaining arguments are inode numbers. */
while (*++argv) {
/* get the inode number. */
if ((inonum = atoi(*argv)) <= 0 ||
inonum >= (ino_t)fs->fs_ipg * fs->fs_ncg)
warnx("%s is not a valid inode number", *argv);
if (filename == NULL)
(void)printf("inode #%jd: ", (intmax_t)inonum);
else
(void)printf("%s (inode #%jd): ", filename,
(intmax_t)inonum);
if ((error = getino(&disk, (void **)&dp, inonum, NULL)) < 0)
warn("Read of inode %jd on %s failed",
(intmax_t)inonum, fsname);
prtblknos(&disk, dp);
}
exit(0);
}