Changeset b5db2ae in mainline for uspace/srv/fs/fat/fat_fat.c

Timestamp:

2011-05-01T09:15:06Z (13 years ago)

Author:

Oleg Romanenko <romanenko.oleg@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

979c313a

Parents:

0a51029f

Message:

1. Add macros for determining first cluster of root directory (FAT_ROOT_CLST)
2. Root directory (FAT32) can consist of many clusters rather than of only one.
3. Using FAT_CLST_ROOT value to determining root directory first cluster

is applicable only to FAT12/16 filesystem.

File:

• uspace/srv/fs/fat/fat_fat.c (modified) (2 diffs)

uspace/srv/fs/fat/fat_fat.c

@@ -139 +139 @@
                 return ELIMIT;
 
-        if (nodep->firstc == FAT_CLST_ROOT)
+        if (!FAT_IS_FAT32(bs) && nodep->firstc == FAT_CLST_ROOT)
                 goto fall_through;
 
@@ -207 +207 @@
                 return ELIMIT;
 
-        if (fcl == FAT_CLST_ROOT) {
+        if (!FAT_IS_FAT32(bs) && fcl == FAT_CLST_ROOT) {
                 /* root directory special case */
                 assert(bn < RDS(bs));