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authorrubidium <rubidium@openttd.org>2009-01-07 18:59:46 +0000
committerrubidium <rubidium@openttd.org>2009-01-07 18:59:46 +0000
commit7b4fba0f89ea9045ea3b5937481d796358bd331e (patch)
tree27f5fec9105c3877775dd0123f12b68561def938 /src/viewport.cpp
parentf9e50a9e4d0fb3922ef3aa2290f548fb56ce717a (diff)
downloadopenttd-7b4fba0f89ea9045ea3b5937481d796358bd331e.tar.xz
(svn r14905) -Fix (r14899): in some corner cases already freed memory could be read.
Diffstat (limited to 'src/viewport.cpp')
-rw-r--r--src/viewport.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/viewport.cpp b/src/viewport.cpp
index 64f4898a1..88278309b 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -219,8 +219,7 @@ static Point _vp_move_offs;
static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
{
-
- for (; w != NULL; w = w->z_front) {
+ FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
if (left + width > w->left &&
w->left + w->width > left &&
top + height > w->top &&