src/libfusefdc/trdos.h

   1 /* trdos.h: Routines for handling the TR-DOS filesystem
   2    Copyright (c) 2016 Sergio Baldoví
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License along
  15    with this program; if not, write to the Free Software Foundation, Inc.,
  16    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18    Author contact information:
  19
  20    E-mail: serbalgi@gmail.com
  21
  22 */
  23 #ifndef FUSE_TRDOS_H
  24 #define FUSE_TRDOS_H
  25
  26 #include <stdint.h>
  27
  28
  29 typedef struct trdos_spec_t {
  30   uint8_t first_free_sector; /* 0 to 15 */
  31   uint8_t first_free_track;  /* 0 to ? */
  32   uint8_t disk_type;
  33   uint8_t file_count;
  34   uint16_t free_sectors;
  35   uint8_t id;
  36   char password[9];      /* not null-terminated */
  37   uint8_t deleted_files;
  38   char disk_label[8];    /* not null-terminated */
  39 } trdos_spec_t;
  40
  41
  42 typedef struct trdos_dirent_t {
  43   char filename[8];     /* not null-terminated */
  44   char file_extension;
  45   uint16_t param1;
  46   uint16_t param2;
  47   uint8_t file_length;  /* in sectors */
  48   uint8_t start_sector; /* 0 to 15 */
  49   uint8_t start_track;  /* 0 to ? */
  50 } trdos_dirent_t;
  51
  52
  53 typedef struct trdos_boot_info_t {
  54   int have_boot_file;
  55   int basic_files_count;
  56   char first_basic_file[8]; /* not null-terminated */
  57 } trdos_boot_info_t;
  58
  59
  60 int trdos_read_spec (trdos_spec_t *spec, const uint8_t *src);
  61
  62 void trdos_write_spec (uint8_t *dest, const trdos_spec_t *spec);
  63
  64 int trdos_read_dirent (trdos_dirent_t *entry, const uint8_t *src);
  65
  66 void trdos_write_dirent (uint8_t *dest, const trdos_dirent_t *entry);
  67
  68 int trdos_read_fat (trdos_boot_info_t *info, const uint8_t *sectors, unsigned int seclen );
  69
  70
  71 #endif