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-rw-r--r--textproc/chpp/files/patch-avl.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/textproc/chpp/files/patch-avl.h b/textproc/chpp/files/patch-avl.h
new file mode 100644
index 000000000000..f9dbd16110b5
--- /dev/null
+++ b/textproc/chpp/files/patch-avl.h
@@ -0,0 +1,15 @@
+--- avl.h.orig Thu Oct 29 02:25:09 1998
++++ avl.h Mon Jul 2 16:47:44 2007
+@@ -44,7 +44,11 @@
+ } avlTree;
+
+ #define AVL_LINK(a,N) (((a) == -1) ? (N)->left : (N)->right)
+-#define AVL_LINK_SET(s,P,V) ((((s) == -1) ? (P)->left : (P)->right) = (V))
++#define AVL_LINK_SET(s,P,V) \
++ do { \
++ typeof (V) foo = (((s) == -1) ? (P)->left : (P)->right); \
++ foo = (V); \
++ } while (0)
+
+ int avlCompare (avlTree*, void*, unsigned int, avlNode*);
+ int avlBalance (avlNode*, int, avlNode**);