mklost+found.c revision 0f8973fb092a40fd0a11b7ec95c09128c9fb8f0c 
1/*
2 * mklost+found.c	- Creates a directory lost+found on a mounted second
3 *			  extended file system
4 *
5 * Copyright (C) 1992, 1993  Remy Card <card@masi.ibp.fr>
6 *
7 * This file can be redistributed under the terms of the GNU General
8 * Public License
9 */
10
11/*
12 * History:
13 * 93/04/22	- Creation
14 */
15
16#include <errno.h>
17#include <fcntl.h>
18#include <stdio.h>
19#include <string.h>
20#include <unistd.h>
21#include <stdlib.h>
22#include <sys/param.h>
23#include <sys/stat.h>
24
25#include "ext2fs/ext2_fs.h"
26#include "../version.h"
27#include "nls-enable.h"
28
29#define LPF "lost+found"
30
31int main (int argc, char ** argv)
32{
33	char name [EXT2_NAME_LEN];
34	char path [sizeof (LPF) + 1 + 256];
35	struct stat st;
36	int i, j;
37	int d;
38
39#ifdef ENABLE_NLS
40	setlocale(LC_MESSAGES, "");
41	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
42	textdomain(NLS_CAT_NAME);
43#endif
44	fprintf (stderr, "mklost+found %s (%s)\n", E2FSPROGS_VERSION,
45		 E2FSPROGS_DATE);
46	if (argc != 1) {
47		fprintf (stderr, _("Usage: mklost+found\n"));
48		exit(1);
49	}
50	if (mkdir (LPF, 0755) == -1) {
51		perror ("mkdir");
52		exit(1);
53	}
54
55	i = 0;
56	memset (name, 'x', 252);
57	do {
58		sprintf (name + 252, "%02d", i);
59		strcpy (path, LPF);
60		strcat (path, "/");
61		strcat (path, name);
62		if ((d = creat (path, 0644)) == -1) {
63			perror ("creat");
64			exit (1);
65		}
66		i++;
67		close (d);
68		if (stat (LPF, &st) == -1) {
69			perror ("stat");
70			exit (1);
71		}
72	} while (st.st_size <= (EXT2_NDIR_BLOCKS - 1) * st.st_blksize);
73	for (j = 0; j < i; j++) {
74		sprintf (name + 252, "%02d", j);
75		strcpy (path, LPF);
76		strcat (path, "/");
77		strcat (path, name);
78		if (unlink (path) == -1) {
79			perror ("unlink");
80			exit (1);
81		}
82	}
83	exit (0);
84}
85