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https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git
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fcadc8c84c
Fixed a bug caused by using an insufficiently larger counter field so that mklost+found would work properly on filesystems with larger block sizes. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
87 lines
1.7 KiB
C
87 lines
1.7 KiB
C
/*
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* mklost+found.c - Creates a directory lost+found on a mounted second
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* extended file system
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*
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* Copyright (C) 1992, 1993 Remy Card <card@masi.ibp.fr>
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*
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* This file can be redistributed under the terms of the GNU General
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* Public License
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*/
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/*
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* History:
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* 93/04/22 - Creation
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include "ext2fs/ext2_fs.h"
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#include "../version.h"
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#include "nls-enable.h"
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#define LPF "lost+found"
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int main (int argc, char ** argv)
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{
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char name [EXT2_NAME_LEN];
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char path [sizeof (LPF) + 1 + 256];
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struct stat st;
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int i, j;
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int d;
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#ifdef ENABLE_NLS
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setlocale(LC_MESSAGES, "");
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setlocale(LC_CTYPE, "");
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bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
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textdomain(NLS_CAT_NAME);
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#endif
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fprintf (stderr, "mklost+found %s (%s)\n", E2FSPROGS_VERSION,
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E2FSPROGS_DATE);
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if (argc != 1) {
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(void)argv; /* avoid unused argument warning */
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fprintf (stderr, _("Usage: mklost+found\n"));
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exit(1);
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}
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if (mkdir (LPF, 0700) == -1) {
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perror ("mkdir");
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exit(1);
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}
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i = 0;
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memset (name, 'x', 246);
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do {
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sprintf (name + 246, "%08d", i);
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strcpy (path, LPF);
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strcat (path, "/");
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strcat (path, name);
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if ((d = creat (path, 0644)) == -1) {
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perror ("creat");
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exit (1);
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}
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i++;
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close (d);
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if (stat (LPF, &st) == -1) {
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perror ("stat");
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exit (1);
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}
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} while (st.st_size <= (EXT2_NDIR_BLOCKS - 1) * st.st_blksize);
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for (j = 0; j < i; j++) {
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sprintf (name + 246, "%08d", j);
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strcpy (path, LPF);
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strcat (path, "/");
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strcat (path, name);
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if (unlink (path) == -1) {
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perror ("unlink");
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exit (1);
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}
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}
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exit (0);
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}
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