file_by_inode2.c

linux 操作系统下对系统资源监控程序的编写

/* $Id: file_by_inode2.c,v 1.2 2003/10/19 16:54:34 carlos Exp $ */

/* Copyright (C) 1998-99 Martin Baulig
   This file is part of LibGTop 1.0.

   Contributed by Martin Baulig <[e-mail]>, April 1998.

   LibGTop is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License,
   or (at your option) any later version.

   LibGTop is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   for more details.

   You should have received a copy of the GNU General Public License
   along with LibGTop; see the file COPYING. If not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/

#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/inodedb.h>

#include <pwd.h>
#include <dirent.h>

#include <sys/stat.h>

int
main (int argc, const char *argv [])
{
	glibtop_inodedb *inodedb;
	const char *filename;
	unsigned device, inode;

	if (argc != 3) {
		fprintf (stderr, "Usage: %s device inode\n", argv [0]);
		exit (1);
	}

	if (sscanf (argv [1], "%d", &device) != 1) {
		fprintf (stderr, "Usage: %s device inode\n", argv [0]);
		exit (1);
	}

	if (sscanf (argv [2], "%d", &inode) != 1) {
		fprintf (stderr, "Usage: %s device inode\n", argv [0]);
		exit (1);
	}

	inodedb = glibtop_inodedb_open (0, 0);
	if (!inodedb) exit (1);

	filename = glibtop_inodedb_lookup (inodedb, device, inode);
	if (!filename) exit (2);

	fprintf (stderr, "FILENAME: %d - %d - '%s'\n",
		 (int) device, (int) inode, filename);

	exit (0);
}