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 "config.h"
17 #include <errno.h>
18 #include <fcntl.h>
19 #include <stdio.h>
20 #include <string.h>
21 #include <unistd.h>
22 #include <stdlib.h>
23 #include <sys/param.h>
24 #include <sys/stat.h>
25
26 #include "ext2fs/ext2_fs.h"
27 #include "../version.h"
28 #include "support/nls-enable.h"
29
30 #define LPF "lost+found"
31
main(int argc,char ** argv)32 int main (int argc, char ** argv)
33 {
34 char name[EXT2_NAME_LEN + 2];
35 char path[sizeof (LPF) + 1 + 256];
36 struct stat st;
37 int i, j;
38 int d;
39
40 #ifdef ENABLE_NLS
41 setlocale(LC_MESSAGES, "");
42 setlocale(LC_CTYPE, "");
43 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
44 textdomain(NLS_CAT_NAME);
45 #endif
46 fprintf (stderr, "mklost+found %s (%s)\n", E2FSPROGS_VERSION,
47 E2FSPROGS_DATE);
48 if (argc != 1) {
49 (void)argv; /* avoid unused argument warning */
50 fprintf (stderr, "%s", _("Usage: mklost+found\n"));
51 exit(1);
52 }
53 if (mkdir (LPF, 0700) == -1) {
54 perror ("mkdir");
55 exit(1);
56 }
57
58 i = 0;
59 memset (name, 'x', 246);
60 do {
61 sprintf (name + 246, "%08d", i);
62 strcpy (path, LPF);
63 strcat (path, "/");
64 strcat (path, name);
65 if ((d = creat (path, 0644)) == -1) {
66 perror ("creat");
67 exit (1);
68 }
69 i++;
70 close (d);
71 if (stat (LPF, &st) == -1) {
72 perror ("stat");
73 exit (1);
74 }
75 } while (st.st_size <= (EXT2_NDIR_BLOCKS - 1) * st.st_blksize);
76 for (j = 0; j < i; j++) {
77 sprintf (name + 246, "%08d", j);
78 strcpy (path, LPF);
79 strcat (path, "/");
80 strcat (path, name);
81 if (unlink (path) == -1) {
82 perror ("unlink");
83 exit (1);
84 }
85 }
86 exit (0);
87 }
88