diff options
| -rw-r--r-- | fs/fat/fat.c | 37 |
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: |