Changeset e8976b59 in mainline

Timestamp:

2011-08-15T18:08:52Z (13 years ago)

Author:

Oleg Romanenko <romanenko.oleg@…>

Branches:

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

Children:

521550d

Parents:

75513701

Message:

exFAT: implement exfat_read_uctable

Location:

uspace/srv/fs/exfat

Files:

• exfat_fat.c (modified) (1 diff)
• exfat_fat.h (modified) (1 diff)

uspace/srv/fs/exfat/exfat_fat.c

@@ -498 +498 @@
 }
 
+int
+exfat_read_uctable(exfat_bs_t *bs, exfat_node_t *nodep, uint8_t *uctable)
+{
+        size_t i, blocks, count;
+        block_t *b;
+        int rc;
+        blocks = ROUND_UP(nodep->size, BPS(bs))/BPS(bs);
+        count = BPS(bs);
+        
+        for (i = 0; i < blocks; i++) {
+                rc = exfat_block_get(&b, bs, nodep, i, BLOCK_FLAGS_NOREAD);
+                if (rc != EOK)
+                        return rc;
+                if (i == blocks-1)
+                        count = nodep->size - i*BPS(bs);
+                memcpy(uctable, b->data, count);
+                uctable += count;
+                rc = block_put(b);
+                if (rc != EOK)
+                        return rc;
+        }
+
+        return EOK;
+}
+
+
 /** Perform basic sanity checks on the file system.
  *

uspace/srv/fs/exfat/exfat_fat.h

@@ -86 +86 @@
     exfat_cluster_t mcl);
 
+extern int exfat_read_uctable(struct exfat_bs *bs, struct exfat_node *nodep, 
+    uint8_t *uctable);
+
 #endif