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
main(int argc,char ** argv)31 int 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 setlocale(LC_CTYPE, "");
42 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
43 textdomain(NLS_CAT_NAME);
44 #endif
45 fprintf (stderr, "mklost+found %s (%s)\n", E2FSPROGS_VERSION,
46 E2FSPROGS_DATE);
47 if (argc != 1) {
48 (void)argv; /* avoid unused argument warning */
49 fprintf (stderr, _("Usage: mklost+found\n"));
50 exit(1);
51 }
52 if (mkdir (LPF, 0700) == -1) {
53 perror ("mkdir");
54 exit(1);
55 }
56
57 i = 0;
58 memset (name, 'x', 246);
59 do {
60 sprintf (name + 246, "%08d", i);
61 strcpy (path, LPF);
62 strcat (path, "/");
63 strcat (path, name);
64 if ((d = creat (path, 0644)) == -1) {
65 perror ("creat");
66 exit (1);
67 }
68 i++;
69 close (d);
70 if (stat (LPF, &st) == -1) {
71 perror ("stat");
72 exit (1);
73 }
74 } while (st.st_size <= (EXT2_NDIR_BLOCKS - 1) * st.st_blksize);
75 for (j = 0; j < i; j++) {
76 sprintf (name + 246, "%08d", j);
77 strcpy (path, LPF);
78 strcat (path, "/");
79 strcat (path, name);
80 if (unlink (path) == -1) {
81 perror ("unlink");
82 exit (1);
83 }
84 }
85 exit (0);
86 }
87