Changeset 4bf40f6 in mainline for uspace/srv/fs/fat/fat_ops.c

Timestamp:

2008-08-12T19:14:09Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

79d031b

Parents:

17b2aac

Message:

Dummy implementation of fat_read().

File:

• uspace/srv/fs/fat/fat_ops.c (modified) (1 diff)

uspace/srv/fs/fat/fat_ops.c

@@ -707 +707 @@
 }
 
+void fat_read(ipc_callid_t rid, ipc_call_t *request)
+{
+        dev_handle_t dev_handle = (dev_handle_t)IPC_GET_ARG1(*request);
+        fs_index_t index = (fs_index_t)IPC_GET_ARG2(*request);
+        off_t pos = (off_t)IPC_GET_ARG3(*request);
+        fat_node_t *nodep = (fat_node_t *)fat_node_get(dev_handle, index);
+        if (!nodep) {
+                ipc_answer_0(rid, ENOENT);
+                return;
+        }
+
+        ipc_callid_t callid;
+        size_t len;
+        if (!ipc_data_write_receive(&callid, &len)) {
+                fat_node_put(nodep);
+                ipc_answer_0(callid, EINVAL);
+                ipc_answer_0(rid, EINVAL);
+                return;
+        }
+
+        if (nodep->type == FAT_FILE) {
+                /* TODO */
+                fat_node_put(nodep);
+                ipc_answer_0(callid, ENOTSUP);
+                ipc_answer_0(rid, ENOTSUP);
+                return;
+        } else {
+                assert(nodep->type == FAT_DIRECTORY);
+                /* TODO */
+                fat_node_put(nodep);
+                ipc_answer_0(callid, ENOTSUP);
+                ipc_answer_0(rid, ENOTSUP);
+                return;
+        }
+
+        fat_node_put(nodep);
+}
+
 /**
  * @}