Changeset 7beb220 in mainline for uspace/srv/devman/devman.c

Timestamp:

2011-08-19T12:06:03Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

2f2f1186

Parents:

d767cb1

Message:

Skeleton of devctl utility. Currently prints device tree.

File:

• uspace/srv/devman/devman.c (modified) (2 diffs)

uspace/srv/devman/devman.c

@@ -920 +920 @@
 }
 
+/** Get list of device functions. */
+int dev_get_functions(dev_tree_t *tree, dev_node_t *dev,
+    devman_handle_t *hdl_buf, size_t buf_size, size_t *act_size)
+{
+        size_t act_cnt;
+        size_t buf_cnt;
+
+        assert(fibril_rwlock_is_locked(&tree->rwlock));
+
+        buf_cnt = buf_size / sizeof(devman_handle_t);
+
+        act_cnt = list_count(&dev->functions);
+        *act_size = act_cnt * sizeof(devman_handle_t);
+
+        if (buf_size % sizeof(devman_handle_t) != 0)
+                return EINVAL;
+
+        size_t pos = 0;
+        list_foreach(dev->functions, item) {
+                fun_node_t *fun =
+                    list_get_instance(item, fun_node_t, dev_functions);
+
+                if (pos < buf_cnt)
+                        hdl_buf[pos] = fun->handle;
+                pos++;
+        }
+
+        return EOK;
+}
+
+
 /* Function nodes */
 
@@ -1145 +1176 @@
         char *rel_path = path;
         char *next_path_elem = NULL;
-        bool cont = true;
+        bool cont = (rel_path[1] != '\0');
         
         while (cont && fun != NULL) {