lynx-dev [PATCH 2.8.3.15] visited tree

[Ilya Zakharevich]

The code for keeping visited tree was leaking some nodes.  Here is the
correction.

Enjoy,
Ilya

--- ./src/LYStructs.h-buggy     Sat Nov  6 19:26:50 1999
+++ ./src/LYStructs.h   Mon Nov 15 02:35:22 1999
@@ -72,7 +72,6 @@ typedef struct _VisitedLink {
     char * address;
     int level;
     struct _VisitedLink *next_tree;
-    struct _VisitedLink *prev_tree;
     struct _VisitedLink *prev_latest;
     struct _VisitedLink *next_latest;
     struct _VisitedLink *prev_first;
--- ./src/LYHistory.c-buggy     Sat Nov  6 19:30:58 1999
+++ ./src/LYHistory.c   Mon Nov 15 02:39:18 1999
@@ -170,9 +170,8 @@ PUBLIC void LYAddVisitedLink ARGS1(
        while (b && b->level > l)
            a = b, b = b->next_tree;
 
-       if (a->next_tree)
-           a->next_tree->prev_tree = new;
-       new->prev_tree = a;
+       if (!b)                 /* a == Latest_tree */
+           Latest_tree = new;
        new->next_tree = a->next_tree;
         a->next_tree = new;
 
@@ -180,12 +179,11 @@ PUBLIC void LYAddVisitedLink ARGS1(
     } else {
        if (Latest_tree)
            Latest_tree->next_tree = new;
-       new->prev_tree = Latest_tree;
        new->level = 0;
        new->next_tree = NULL;
+       Latest_tree = new;
     }
     PrevVisitedLink = PrevActiveVisitedLink = new;
-    Latest_tree = new;
     if (!First_tree)
        First_tree = new;