fs/fdos: Remove

We have an unused FAT implementation in fs/fdos, remove.

Signed-off-by: Tom Rini <trini@ti.com>

1 files changed, 0 insertions, 329 deletions

diff --git a/fs/fdos/subdir.c b/fs/fdos/subdir.c
deleted file mode 100644
index 97f6fb7102..0000000000
--- a/fs/fdos/subdir.c
+++ /dev/null
@@ -1,329 +0,0 @@
-/*
- * (C) Copyright 2002
- * Stäubli Faverges - <www.staubli.com>
- * Pierre AUBERT  p.aubert@staubli.com
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <config.h>
-#include <malloc.h>
-
-#include "dos.h"
-#include "fdos.h"
-
-static int cache_sect;
-static unsigned char cache [SZ_STD_SECTOR];
-
-
-#define min(x,y) ((x)<(y)?(x):(y))
-
-static int descend (Slot_t *parent,
-	     Fs_t *fs,
-		    char *path);
-
-/*-----------------------------------------------------------------------------
- * init_subdir --
- *-----------------------------------------------------------------------------
- */
-void init_subdir (void)
-{
-    cache_sect = -1;
-}
-/*-----------------------------------------------------------------------------
- * basename --
- *-----------------------------------------------------------------------------
- */
-char *basename (char *name)
-{
-    register char *cptr;
-
-    if (!name || !*name) {
-	return ("");
-    }
-
-    for (cptr= name; *cptr++; );
-    while (--cptr >= name) {
-	if (*cptr == '/')    {
-	    return (cptr + 1);
-	}
-    }
-    return(name);
-}
-/*-----------------------------------------------------------------------------
- * root_map --
- *-----------------------------------------------------------------------------
- */
-static int root_map (Fs_t *fs, Slot_t *file, int where, int *len)
-{
-    *len = min (*len, fs -> dir_len * SZ_STD_SECTOR - where);
-    if (*len < 0 ) {
-	*len = 0;
-	return (-1);
-    }
-    return fs -> dir_start * SZ_STD_SECTOR + where;
-}
-/*-----------------------------------------------------------------------------
- * normal_map --
- *-----------------------------------------------------------------------------
- */
-static int normal_map (Fs_t *fs, Slot_t *file, int where, int *len)
-{
-    int offset;
-    int NrClu;
-    unsigned short RelCluNr;
-    unsigned short CurCluNr;
-    unsigned short NewCluNr;
-    unsigned short AbsCluNr;
-    int clus_size;
-
-    clus_size = fs -> cluster_size * SZ_STD_SECTOR;
-    offset = where % clus_size;
-
-    *len = min (*len, file -> FileSize - where);
-
-    if (*len < 0 ) {
-	*len = 0;
-	return (0);
-    }
-
-    if (file -> FirstAbsCluNr < 2){
-	*len = 0;
-	return (0);
-    }
-
-    RelCluNr = where / clus_size;
-
-    if (RelCluNr >= file -> PreviousRelCluNr){
-	CurCluNr = file -> PreviousRelCluNr;
-	AbsCluNr = file -> PreviousAbsCluNr;
-    } else {
-	CurCluNr = 0;
-	AbsCluNr = file -> FirstAbsCluNr;
-    }
-
-
-    NrClu = (offset + *len - 1) / clus_size;
-    while (CurCluNr <= RelCluNr + NrClu) {
-	if (CurCluNr == RelCluNr){
-	    /* we have reached the beginning of our zone. Save
-	     * coordinates */
-	    file -> PreviousRelCluNr = RelCluNr;
-	    file -> PreviousAbsCluNr = AbsCluNr;
-	}
-	NewCluNr = fat_decode (fs, AbsCluNr);
-	if (NewCluNr == 1 || NewCluNr == 0) {
-	    PRINTF("Fat problem while decoding %d %x\n",
-		    AbsCluNr, NewCluNr);
-	    return (-1);
-	}
-	if (CurCluNr == RelCluNr + NrClu) {
-	    break;
-	}
-
-	if (CurCluNr < RelCluNr && NewCluNr == FAT12_END) {
-	    *len = 0;
-	    return 0;
-	}
-
-	if (CurCluNr >= RelCluNr && NewCluNr != AbsCluNr + 1)
-	    break;
-	CurCluNr++;
-	AbsCluNr = NewCluNr;
-    }
-
-    *len = min (*len, (1 + CurCluNr - RelCluNr) * clus_size - offset);
-
-    return (((file -> PreviousAbsCluNr - 2) * fs -> cluster_size +
-	     fs -> dir_start + fs -> dir_len) *
-	    SZ_STD_SECTOR + offset);
-}
-/*-----------------------------------------------------------------------------
- * open_subdir -- open the subdir containing the file
- *-----------------------------------------------------------------------------
- */
-int open_subdir (File_t *desc)
-{
-    char *pathname;
-    char *tmp, *s, *path;
-    char terminator;
-
-    if ((pathname = (char *)malloc (MAX_PATH)) == NULL) {
-	return (-1);
-    }
-
-    strcpy (pathname, desc -> name);
-
-    /* Suppress file name                                                    */
-    tmp = basename (pathname);
-    *tmp = '\0';
-
-    /* root directory  init                                                  */
-    desc -> subdir.FirstAbsCluNr = 0;
-    desc -> subdir.FileSize = -1;
-    desc -> subdir.map = root_map;
-    desc -> subdir.dir.attr = ATTR_DIRECTORY;
-
-    tmp = pathname;
-    for (s = tmp; ; ++s) {
-	if (*s == '/' || *s == '\0') {
-	    path = tmp;
-	    terminator = *s;
-	    *s = '\0';
-	    if (s != tmp && strcmp (path,".")) {
-		if (descend (&desc -> subdir, desc -> fs, path) < 0) {
-		    free (pathname);
-		    return (-1);
-		}
-	    }
-	    if (terminator == 0) {
-		break;
-	    }
-	    tmp = s + 1;
-	}
-    }
-    free (pathname);
-    return (0);
-}
-/*-----------------------------------------------------------------------------
- * descend --
- *-----------------------------------------------------------------------------
- */
-static int descend (Slot_t *parent,
-	     Fs_t *fs,
-	     char *path)
-{
-    int entry;
-    Slot_t SubDir;
-
-    if(path[0] == '\0' || strcmp (path, ".") == 0) {
-	return (0);
-    }
-
-
-    entry = 0;
-    if (vfat_lookup (parent,
-		     fs,
-		     &(SubDir.dir),
-		     &entry,
-		     0,
-		     path,
-		     ACCEPT_DIR | SINGLE | DO_OPEN,
-		     0,
-		     &SubDir) == 0) {
-	*parent = SubDir;
-	return (0);
-    }
-
-    if (strcmp(path, "..") == 0) {
-	parent -> FileSize = -1;
-	parent -> FirstAbsCluNr = 0;
-	parent -> map = root_map;
-	return (0);
-    }
-    return (-1);
-}
-/*-----------------------------------------------------------------------------
- * open_file --
- *-----------------------------------------------------------------------------
- */
-int open_file (Slot_t *file, Directory_t *dir)
-{
-    int first;
-    unsigned long size;
-
-    first = __le16_to_cpu (dir -> start);
-
-    if(first == 0 &&
-       (dir -> attr & ATTR_DIRECTORY) != 0) {
-	file -> FirstAbsCluNr = 0;
-	file -> FileSize = -1;
-	file -> map = root_map;
-	return (0);
-    }
-
-    if ((dir -> attr & ATTR_DIRECTORY) != 0) {
-	size = (1UL << 31) - 1;
-    }
-    else {
-	size = __le32_to_cpu (dir -> size);
-    }
-
-    file -> map = normal_map;
-    file -> FirstAbsCluNr = first;
-    file -> PreviousRelCluNr = 0xffff;
-    file -> FileSize = size;
-    return (0);
-}
-/*-----------------------------------------------------------------------------
- * read_file --
- *-----------------------------------------------------------------------------
- */
-int read_file (Fs_t *fs,
-	       Slot_t *file,
-	       char *buf,
-	       int where,
-	       int len)
-{
-    int pos;
-    int read, nb, sect, offset;
-
-    pos = file -> map (fs, file, where, &len);
-    if  (pos < 0) {
-	return -1;
-    }
-    if (len == 0) {
-	return (0);
-    }
-
-    /* Compute sector number                                                 */
-    sect = pos / SZ_STD_SECTOR;
-    offset = pos % SZ_STD_SECTOR;
-    read = 0;
-
-    if (offset) {
-	/* Read doesn't start at the sector beginning. We need to use our    */
-	/* cache                                                             */
-	if (sect != cache_sect) {
-	    if (dev_read (cache, sect, 1) < 0) {
-		return (-1);
-	    }
-	    cache_sect = sect;
-	}
-	nb = min (len, SZ_STD_SECTOR - offset);
-
-	memcpy (buf, cache + offset, nb);
-	read += nb;
-	len -= nb;
-	sect += 1;
-    }
-
-    if (len > SZ_STD_SECTOR) {
-	nb = (len - 1) / SZ_STD_SECTOR;
-	if (dev_read (buf + read, sect, nb) < 0) {
-	    return ((read) ? read : -1);
-	}
-	/* update sector position                                            */
-	sect += nb;
-
-	/* Update byte position                                              */
-	nb *= SZ_STD_SECTOR;
-	read += nb;
-	len -= nb;
-    }
-
-    if (len) {
-	if (sect != cache_sect) {
-	    if (dev_read (cache, sect, 1) < 0) {
-		return ((read) ? read : -1);
-		cache_sect = -1;
-	    }
-	    cache_sect = sect;
-	}
-
-	memcpy (buf + read, cache, len);
-	read += len;
-    }
-    return (read);
-}