Config utils improvement

Added a function to free resources allocated by config node tree. Change-Id: I2ee8ae642899ec4501fa6e490c5be7efaa2d738e
Kaik541 · May 26, 2011 · c3cf1a8 · c3cf1a8
1 parent 7956d75
commit c3cf1a8
Show file tree

Hide file tree

Showing 2 changed files with 15 additions and 0 deletions.
diff --git a/include/cutils/config_utils.h b/include/cutils/config_utils.h
@@ -54,6 +54,9 @@ const char* config_str(cnode *root, const char *name, const char *_default);
 /* add a named child to a config node (or modify it if it already exists) */
 void config_set(cnode *root, const char *name, const char *value);
 
+/* free a config node tree */
+void config_free(cnode *root);
+
 #ifdef __cplusplus
 }
 #endif

diff --git a/libcutils/config_utils.c b/libcutils/config_utils.c
@@ -315,3 +315,15 @@ void config_load_file(cnode *root, const char *fn)
     data = load_file(fn, 0);
     config_load(root, data);
 }
+
+void config_free(cnode *root)
+{
+    cnode *cur = root->first_child;
+
+    while (cur) {
+        cnode *prev = cur;
+        config_free(cur);
+        cur = cur->next;
+        free(prev);
+    }
+}