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/*
* 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 Library
* General Public License, version 2.
* %End-Header%
*/
#include "config.h"
#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;
unsigned long long 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, "%llu", &blockno);
if (count <= 0)
continue;
/* Badblocks isn't going to be updated for 64bit */
if (blockno >> 32)
return EOVERFLOW;
if (fs &&
((blockno < fs->super->s_first_data_block) ||
(blockno >= ext2fs_blocks_count(fs->super)))) {
if (invalid)
(invalid)(fs, (blk64_t) blockno, buf, priv_data);
continue;
}
retval = ext2fs_badblocks_list_add(*bb_list, (blk64_t) blockno);
if (retval)
return retval;
}
return 0;
}
struct compat_struct {
void (*invalid)(ext2_filsys, blk_t);
};
static void call_compat_invalid(ext2_filsys fs, blk_t blk,
char *badstr EXT2FS_ATTR((unused)),
void *priv_data)
{
struct compat_struct *st;
st = (struct compat_struct *) priv_data;
if (st->invalid)
(st->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))
{
struct compat_struct st;
st.invalid = invalid;
return ext2fs_read_bb_FILE2(fs, f, bb_list, &st,
call_compat_invalid);
}
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