cppinit.c (cpp_cleanup): Free include dir chains.

	* cppinit.c (cpp_cleanup): Free include dir chains.
	* cpplib.c (do_undef): Let _cpp_free_definition make the node void.
	(do_unassert): Free the assert with _cpp_free_definition.
	* cppmacro.c (_cpp_free_definition): Free memory allocated for
	assertions.  Make the node a T_VOID node.

From-SVN: r35765

gcc/ChangeLog

 2000-08-17  Neil Booth  <NeilB@earthling.net>
 
+	* cppinit.c (cpp_cleanup): Free include dir chains.
+	* cpplib.c (do_undef): Let _cpp_free_definition make the node void.
+	(do_unassert): Free the assert with _cpp_free_definition.
+	* cppmacro.c (_cpp_free_definition): Free memory allocated for
+	assertions.  Make the node a T_VOID node.
+
+2000-08-17  Neil Booth  <NeilB@earthling.net>
+
 	* cppinit.c (path_include, append_include_chain):
 	Remove 2nd parameter (struct cpp_pending *).
 	(path_include, initialize_standard_includes, cpp_handle_option):

gcc/cppinit.c

@@ -467,6 +467,8 @@ void
 cpp_cleanup (pfile)
      cpp_reader *pfile;
 {
+  struct file_name_list *dir, *next;
+
   while (CPP_BUFFER (pfile) != NULL)
     cpp_pop_buffer (pfile);
 
@@ -480,6 +482,13 @@ cpp_cleanup (pfile)
   _cpp_cleanup_includes (pfile);
   _cpp_cleanup_stacks (pfile);
   _cpp_cleanup_macros (pfile);
+
+  for (dir = CPP_OPTION (pfile, quote_include); dir; dir = next)
+    {
+      next = dir->next;
+      free (dir->name);
+      free (dir);
+    }
 }
 
 

gcc/cpplib.c

@@ -298,7 +298,6 @@ do_undef (pfile)
 	cpp_warning (pfile, "undefining \"%s\"", node->name);
 
       _cpp_free_definition (node);
-      node->type = T_VOID;
     }
 }
 
@@ -1369,14 +1368,7 @@ do_unassert (pfile)
 		node->type = T_VOID;
 	    }
 	  else
-	    {
-	      for (temp = node->value.answers; temp; temp = next)
-		{
-		  next = temp->next;
-		  FREE_ANSWER (temp);
-		}
-	      node->type = T_VOID;
-	    }
+	    _cpp_free_definition (node);
 	}
 
       if (answer)

gcc/cppmacro.c

@@ -404,6 +404,18 @@ _cpp_free_definition (h)
 {
   if (h->type == T_MACRO)
     free ((PTR) h->value.expansion);
+  else if (h->type == T_ASSERTION)
+    {
+      struct answer *temp, *next;
+
+      for (temp = h->value.answers; temp; temp = next)
+	{
+	  next = temp->next;
+	  FREE_ANSWER (temp);
+	}
+    }
+
+  h->type = T_VOID;
   h->value.expansion = NULL;
 }