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-rw-r--r--fs/fat/fat.c37
1 files changed, 23 insertions, 14 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index a75e4f2..c450bf6 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -209,7 +209,7 @@ static __u32 get_fatent (fsdata *mydata, __u32 entry)
/* Read a new block of FAT entries into the cache. */
if (bufnum != mydata->fatbufnum) {
- int getsize = FATBUFSIZE / FS_BLOCK_SIZE;
+ __u32 getsize = FATBUFSIZE / FS_BLOCK_SIZE;
__u8 *bufptr = mydata->fatbuf;
__u32 fatlength = mydata->fatlength;
__u32 startblock = bufnum * FATBUFBLOCKS;
@@ -279,7 +279,7 @@ static int
get_cluster (fsdata *mydata, __u32 clustnum, __u8 *buffer,
unsigned long size)
{
- int idx = 0;
+ __u32 idx = 0;
__u32 startsect;
if (clustnum > 0) {
@@ -767,12 +767,13 @@ do_fat_read (const char *filename, void *buffer, unsigned long maxsize,
dir_entry *dentptr;
__u16 prevcksum = 0xffff;
char *subname = "";
- int cursect;
+ __u32 cursect;
int idx, isdir = 0;
int files = 0, dirs = 0;
long ret = 0;
int firsttime;
- int root_cluster;
+ __u32 root_cluster;
+ int rootdir_size = 0;
int j;
if (read_bootsectandvi(&bs, &volinfo, &mydata->fatsize)) {
@@ -798,8 +799,6 @@ do_fat_read (const char *filename, void *buffer, unsigned long maxsize,
mydata->data_begin = mydata->rootdir_sect -
(mydata->clust_size * 2);
} else {
- int rootdir_size;
-
rootdir_size = ((bs.dir_entries[1] * (int)256 +
bs.dir_entries[0]) *
sizeof(dir_entry)) /
@@ -1006,20 +1005,18 @@ do_fat_read (const char *filename, void *buffer, unsigned long maxsize,
* root directory clusters when a cluster has been
* completely processed.
*/
- if ((mydata->fatsize == 32) && (++j == mydata->clust_size)) {
- int nxtsect;
- int nxt_clust;
+ ++j;
+ int fat32_end = 0;
+ if ((mydata->fatsize == 32) && (j == mydata->clust_size)) {
+ int nxtsect = 0;
+ int nxt_clust = 0;
nxt_clust = get_fatent(mydata, root_cluster);
+ fat32_end = CHECK_CLUST(nxt_clust, 32);
nxtsect = mydata->data_begin +
(nxt_clust * mydata->clust_size);
- debug("END LOOP: sect=%d, root_clust=%d, "
- "n_sect=%d, n_clust=%d\n",
- cursect, root_cluster,
- nxtsect, nxt_clust);
-
root_cluster = nxt_clust;
cursect = nxtsect;
@@ -1027,6 +1024,18 @@ do_fat_read (const char *filename, void *buffer, unsigned long maxsize,
} else {
cursect++;
}
+
+ /* If end of rootdir reached */
+ if ((mydata->fatsize == 32 && fat32_end) ||
+ (mydata->fatsize != 32 && j == rootdir_size)) {
+ if (dols == LS_ROOT) {
+ printf("\n%d file(s), %d dir(s)\n\n",
+ files, dirs);
+ return 0;
+ } else {
+ return -1;
+ }
+ }
}
rootdir_done: