Handle case where iterator range contains 0 elements.

fc9be6a5 · Ulrich Czekalla · Alexandre Julliard · 04869eb6 · fc9be6a5
Commit fc9be6a5 authored May 11, 2004 by Ulrich Czekalla Committed by Alexandre Julliard May 11, 2004
Hide whitespace changes
Inline Side-by-side

Showing with 7 additions and 2 deletions

listview.c dlls/comctl32/listview.c +7 -2

No files found.
--- a/dlls/comctl32/listview.c
+++ b/dlls/comctl32/listview.c
@@ -1113,8 +1113,13 @@ static RANGE iterator_range(ITERATOR* i)

    if (!i->ranges) return i->range;

-    range.lower = (*(RANGE*)DPA_GetPtr(i->ranges->hdpa, 0)).lower;
-    range.upper = (*(RANGE*)DPA_GetPtr(i->ranges->hdpa, DPA_GetPtrCount(i->ranges->hdpa) - 1)).upper;
+    if (DPA_GetPtrCount(i->ranges->hdpa) > 0)
+    {
+        range.lower = (*(RANGE*)DPA_GetPtr(i->ranges->hdpa, 0)).lower;
+        range.upper = (*(RANGE*)DPA_GetPtr(i->ranges->hdpa, DPA_GetPtrCount(i->ranges->hdpa) - 1)).upper;
+    }
+    else range.lower = range.upper = 0;
+
    return range;
 }