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