WebSVN – HelenOS – Path Comparison – / – /trunk/uspace/srv/fs/ Rev 3306 and /trunk/uspace/srv/fs/ Rev 3307

Ignore whitespace Rev 3306 → Rev 3307

/trunk/uspace/srv/fs/fat/fat.h
222,6 → 222,7
extern void fat_mounted(ipc_callid_t, ipc_call_t *);
extern void fat_mount(ipc_callid_t, ipc_call_t *);
extern void fat_lookup(ipc_callid_t, ipc_call_t *);
extern void fat_read(ipc_callid_t, ipc_call_t *);

extern fat_idx_t *fat_idx_get_by_pos(dev_handle_t, fat_cluster_t, unsigned);
extern fat_idx_t *fat_idx_get_by_index(dev_handle_t, fs_index_t);

 /trunk/uspace/srv/fs/fat/fat.c
 ,6 → 107,9
         case VFS_LOOKUP:
             fat_lookup(callid, &call);
             break;
+        case VFS_READ:
+            fat_read(callid, &call);
+            break;
         default:
             ipc_answer_0(callid, ENOTSUP);
             break;

 /trunk/uspace/srv/fs/fat/fat_ops.c
 ,6 → 706,44
     libfs_lookup(&fat_libfs_ops, fat_reg.fs_handle, rid, request);
 }
+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);
+}
 /**
  * @}
  */