docs

[pspp] / src / libpspp / range-set.h

diff --git a/src/libpspp/range-set.h b/src/libpspp/range-set.h
index 5b79f0e6ddf213e26087dc20d1ee83dcb2d1f14b..636fba8166c1b146cb1ed246352cdba1f30a9d24 100644 (file)
--- a/src/libpspp/range-set.h
+++ b/src/libpspp/range-set.h
@@ -67,6 +67,11 @@ unsigned long int range_set_scan (const struct range_set *,
 
 static inline bool range_set_is_empty (const struct range_set *);
 
+#define RANGE_SET_FOR_EACH(NODE, RANGE_SET)             \
+        for ((NODE) = range_set_first (RANGE_SET);      \
+             (NODE) != NULL;                            \
+             (NODE) = range_set_next (RANGE_SET, NODE))
+
 static inline const struct range_set_node *range_set_first (
   const struct range_set *);
 static inline const struct range_set_node *range_set_next (
@@ -180,7 +185,7 @@ range_set_node_get_width (const struct range_set_node *node)
 static inline struct range_set_node *
 range_set_node_from_bt__ (const struct bt_node *bt_node)
 {
-  return bt_node ? bt_data (bt_node, struct range_set_node, bt_node) : NULL;
+  return bt_node ? BT_DATA (bt_node, struct range_set_node, bt_node) : NULL;
 }
 
 /* Returns the next range_set_node in RS after NODE,