mirror of
https://github.com/sheumann/hush.git
synced 2024-12-23 05:29:58 +00:00
97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* read_bb_file.c --- read a list of bad blocks from a FILE *
|
|
*
|
|
* Copyright (C) 1994, 1995, 2000 Theodore Ts'o.
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Public
|
|
* License.
|
|
* %End-Header%
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#if HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <fcntl.h>
|
|
#include <time.h>
|
|
#if HAVE_SYS_STAT_H
|
|
#include <sys/stat.h>
|
|
#endif
|
|
#if HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
|
|
#include "ext2_fs.h"
|
|
#include "ext2fs.h"
|
|
|
|
/*
|
|
* Reads a list of bad blocks from a FILE *
|
|
*/
|
|
errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f,
|
|
ext2_badblocks_list *bb_list,
|
|
void *priv_data,
|
|
void (*invalid)(ext2_filsys fs,
|
|
blk_t blk,
|
|
char *badstr,
|
|
void *priv_data))
|
|
{
|
|
errcode_t retval;
|
|
blk_t blockno;
|
|
int count;
|
|
char buf[128];
|
|
|
|
if (fs)
|
|
EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
|
|
|
|
if (!*bb_list) {
|
|
retval = ext2fs_badblocks_list_create(bb_list, 10);
|
|
if (retval)
|
|
return retval;
|
|
}
|
|
|
|
while (!feof (f)) {
|
|
if (fgets(buf, sizeof(buf), f) == NULL)
|
|
break;
|
|
count = sscanf(buf, "%u", &blockno);
|
|
if (count <= 0)
|
|
continue;
|
|
if (fs &&
|
|
((blockno < fs->super->s_first_data_block) ||
|
|
(blockno >= fs->super->s_blocks_count))) {
|
|
if (invalid)
|
|
(invalid)(fs, blockno, buf, priv_data);
|
|
continue;
|
|
}
|
|
retval = ext2fs_badblocks_list_add(*bb_list, blockno);
|
|
if (retval)
|
|
return retval;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void call_compat_invalid(ext2_filsys fs, blk_t blk,
|
|
char *badstr EXT2FS_ATTR((unused)),
|
|
void *priv_data)
|
|
{
|
|
void (*invalid)(ext2_filsys, blk_t);
|
|
|
|
invalid = (void (*)(ext2_filsys, blk_t)) priv_data;
|
|
if (invalid)
|
|
invalid(fs, blk);
|
|
}
|
|
|
|
|
|
/*
|
|
* Reads a list of bad blocks from a FILE *
|
|
*/
|
|
errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f,
|
|
ext2_badblocks_list *bb_list,
|
|
void (*invalid)(ext2_filsys fs, blk_t blk))
|
|
{
|
|
return ext2fs_read_bb_FILE2(fs, f, bb_list, (void *) invalid,
|
|
call_compat_invalid);
|
|
}
|