Changeset 278ac72 in mainline for uspace/srv/loc/category.c

Timestamp:

2011-08-16T15:35:56Z (14 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

30c78c0

Parents:

16dc887

Message:

Add API for getting list of categories.

File:

• uspace/srv/loc/category.c (modified) (1 diff)

uspace/srv/loc/category.c

@@ -54 +54 @@
         list_append(&cat->cat_list, &cdir->categories);
 }
+
+/** Get list of categories. */
+int categ_dir_get_categories(categ_dir_t *cdir, category_id_t *id_buf,
+    size_t buf_size, size_t *act_size)
+{
+        size_t act_cnt;
+        size_t buf_cnt;
+
+        assert(fibril_mutex_is_locked(&cdir->mutex));
+
+        buf_cnt = buf_size / sizeof(category_id_t);
+
+        act_cnt = list_count(&cdir->categories);
+        *act_size = act_cnt * sizeof(category_id_t);
+
+        if (buf_size % sizeof(category_id_t) != 0)
+                return EINVAL;
+
+        size_t pos = 0;
+        list_foreach(cdir->categories, item) {
+                category_t *cat =
+                    list_get_instance(item, category_t, cat_list);
+
+                if (pos < buf_cnt)
+                        id_buf[pos] = cat->id;
+                pos++;
+        }
+
+        return EOK;
+}
+
 
 /** Initialize category structure. */