diff options
Diffstat (limited to 'fs/fdos/fs.c')
| -rw-r--r-- | fs/fdos/fs.c | 58 |
1 files changed, 28 insertions, 30 deletions
diff --git a/fs/fdos/fs.c b/fs/fdos/fs.c index 68bbde0..3b9d09e 100644 --- a/fs/fdos/fs.c +++ b/fs/fdos/fs.c @@ -33,16 +33,16 @@ /*----------------------------------------------------------------------------- - * fill_fs -- Read info on file system + * fill_fs -- Read info on file system *----------------------------------------------------------------------------- */ static int fill_fs (BootSector_t *boot, Fs_t *fs) { - + fs -> fat_start = __le16_to_cpu (boot -> nrsvsect); fs -> fat_len = __le16_to_cpu (boot -> fatlen); fs -> nb_fat = boot -> nfat; - + fs -> dir_start = fs -> fat_start + fs -> nb_fat * fs -> fat_len; fs -> dir_len = __le16_to_cpu (boot -> dirents) * MDIR_SIZE / SZ_STD_SECTOR; fs -> cluster_size = boot -> clsiz; @@ -52,7 +52,7 @@ static int fill_fs (BootSector_t *boot, Fs_t *fs) } /*----------------------------------------------------------------------------- - * fs_init -- + * fs_init -- *----------------------------------------------------------------------------- */ int fs_init (Fs_t *fs) @@ -61,60 +61,58 @@ int fs_init (Fs_t *fs) /* Initialize physical device */ if (dev_open () < 0) { - PRINTF ("Unable to initialize the fdc\n"); - return (-1); + PRINTF ("Unable to initialize the fdc\n"); + return (-1); } init_subdir (); - + /* Allocate space for read the boot sector */ if ((boot = (BootSector_t *)malloc (sizeof (BootSector_t))) == NULL) { - PRINTF ("Unable to allocate space for boot sector\n"); - return (-1); + PRINTF ("Unable to allocate space for boot sector\n"); + return (-1); } - + /* read boot sector */ if (dev_read (boot, 0, 1)){ - PRINTF ("Error during boot sector read\n"); - free (boot); - return (-1); + PRINTF ("Error during boot sector read\n"); + free (boot); + return (-1); } /* we verify it'a a DOS diskette */ if (boot -> jump [0] != JUMP_0_1 && boot -> jump [0] != JUMP_0_2) { - PRINTF ("Not a DOS diskette\n"); - free (boot); - return (-1); + PRINTF ("Not a DOS diskette\n"); + free (boot); + return (-1); } if (boot -> descr < MEDIA_STD) { - /* We handle only recent medias (type F0) */ - PRINTF ("unrecognized diskette type\n"); - free (boot); - return (-1); + /* We handle only recent medias (type F0) */ + PRINTF ("unrecognized diskette type\n"); + free (boot); + return (-1); } if (check_dev (boot, fs) < 0) { - PRINTF ("Bad diskette\n"); - free (boot); - return (-1); + PRINTF ("Bad diskette\n"); + free (boot); + return (-1); } - + if (fill_fs (boot, fs) < 0) { - free (boot); + free (boot); - return (-1); + return (-1); } /* Read FAT */ if (read_fat (boot, fs) < 0) { - free (boot); - return (-1); + free (boot); + return (-1); } free (boot); return (0); } - - #endif |