diff options
Diffstat (limited to 'fs/fdos/fdos.c')
| -rw-r--r-- | fs/fdos/fdos.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/fs/fdos/fdos.c b/fs/fdos/fdos.c new file mode 100644 index 0000000..8963f42 --- /dev/null +++ b/fs/fdos/fdos.c @@ -0,0 +1,175 @@ +/* + * (C) Copyright 2002 + * Stäubli Faverges - <www.staubli.com> + * Pierre AUBERT p.aubert@staubli.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <config.h> + +#if (CONFIG_COMMANDS & CFG_CMD_FDOS) +#include <malloc.h> +#include "dos.h" +#include "fdos.h" + + +const char *month [] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; + +Fs_t fs; +File_t file; + +/*----------------------------------------------------------------------------- + * dos_open -- + *----------------------------------------------------------------------------- + */ +int dos_open(char *name) +{ + int lg; + int entry; + char *fname; + + /* We need to suppress the " char around the name */ + if (name [0] == '"') { + name ++; + } + lg = strlen (name); + if (name [lg - 1] == '"') { + name [lg - 1] = '\0'; + } + + /* Open file system */ + if (fs_init (&fs) < 0) { + return -1; + } + + /* Init the file descriptor */ + file.name = name; + file.fs = &fs; + + /* find the subdirectory containing the file */ + if (open_subdir (&file) < 0) { + return (-1); + } + + fname = basename (name); + + /* if we try to open root directory */ + if (*fname == '\0') { + file.file = file.subdir; + return (0); + } + + /* find the file in the subdir */ + entry = 0; + if (vfat_lookup (&file.subdir, + file.fs, + &file.file.dir, + &entry, + 0, + fname, + ACCEPT_DIR | ACCEPT_PLAIN | SINGLE | DO_OPEN, + 0, + &file.file) != 0) { + /* File not found */ + printf ("File not found\n"); + return (-1); + } + + return 0; +} + +/*----------------------------------------------------------------------------- + * dos_read -- + *----------------------------------------------------------------------------- + */ +int dos_read (ulong addr) +{ + int read = 0, nb; + + /* Try to boot a directory ? */ + if (file.file.dir.attr & (ATTR_DIRECTORY | ATTR_VOLUME)) { + printf ("Unable to boot %s !!\n", file.name); + return (-1); + } + while (read < file.file.FileSize) { + PRINTF ("read_file (%ld)\n", (file.file.FileSize - read)); + nb = read_file (&fs, + &file.file, + (char *)addr + read, + read, + (file.file.FileSize - read)); + PRINTF ("read_file -> %d\n", nb); + if (nb < 0) { + printf ("read error\n"); + return (-1); + } + read += nb; + } + return (read); +} +/*----------------------------------------------------------------------------- + * dos_dir -- + *----------------------------------------------------------------------------- + */ +int dos_dir (void) +{ + int entry; + Directory_t dir; + char *name; + + + if ((file.file.dir.attr & ATTR_DIRECTORY) == 0) { + printf ("%s: not a directory !!\n", file.name); + return (1); + } + entry = 0; + if ((name = malloc (MAX_VNAMELEN + 1)) == NULL) { + PRINTF ("Allcation error\n"); + return (1); + } + + while (vfat_lookup (&file.file, + file.fs, + &dir, + &entry, + 0, + NULL, + ACCEPT_DIR | ACCEPT_PLAIN | MATCH_ANY, + name, + NULL) == 0) { + /* Display file info */ + printf ("%3.3s %9d %s %02d %04d %02d:%02d:%02d %s\n", + (dir.attr & ATTR_DIRECTORY) ? "dir" : " ", + __le32_to_cpu (dir.size), + month [DOS_MONTH (&dir) - 1], + DOS_DAY (&dir), + DOS_YEAR (&dir), + DOS_HOUR (&dir), + DOS_MINUTE (&dir), + DOS_SEC (&dir), + name); + + } + free (name); + return (0); +} + +#endif |