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/*
* mbadblocks.c
* Mark bad blocks on disk
*
*/
#include "sysincludes.h"
#include "msdos.h"
#include "mtools.h"
#include "mainloop.h"
#include "fsP.h"
void mbadblocks(int argc, char **argv, int type)
{
int i;
char *in_buf;
int in_len;
off_t start;
struct MainParam_t mp;
Fs_t *Fs;
Stream_t *Dir;
int ret;
if (argc != 2) {
fprintf(stderr, "Mtools version %s, dated %s\n",
mversion, mdate);
fprintf(stderr, "Usage: %s [-V] device\n", argv[0]);
exit(1);
}
init_mp(&mp);
Dir = open_subdir(&mp, argv[1], O_RDWR, 0, 0);
if (!Dir) {
fprintf(stderr,"%s: Cannot initialize drive\n", argv[0]);
exit(1);
}
Fs = (Fs_t *)GetFs(Dir);
in_len = Fs->cluster_size * Fs->sector_size;
in_buf = safe_malloc(in_len);
for(i=0; i < Fs->clus_start; i++ ){
ret = READS(Fs->Next, in_buf, i * Fs->sector_size,
Fs->sector_size);
if( ret < 0 ){
perror("early error");
exit(1);
}
if(ret < Fs->sector_size){
fprintf(stderr,"end of file in file_read\n");
exit(1);
}
}
in_len = Fs->cluster_size * Fs->sector_size;
for(i=2; i< Fs->num_clus + 2; i++){
if(Fs->fat_decode((Fs_t*)Fs,i))
continue;
start = (i - 2) * Fs->cluster_size + Fs->clus_start;
ret = READS(Fs->Next, in_buf, start * Fs->sector_size, in_len);
if(ret < in_len ){
printf("Bad cluster %d found\n", i);
Fs->fat_encode((Fs_t*)Fs, i, 0xfff7);
continue;
}
}
FREE(&Dir);
exit(0);
}
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