From a46eef0002d061c3363756182a592be7646ae79b Mon Sep 17 00:00:00 2001
From: James Bursa <james@netsurf-browser.org>
Date: Sun, 8 Sep 2002 18:11:56 +0000
Subject: [project @ 2002-09-08 18:11:56 by bursa] Add box_free().

svn path=/import/netsurf/; revision=32
---
 render/box.c | 35 ++++++++++++++++++++++++++++++-----
 1 file changed, 30 insertions(+), 5 deletions(-)

(limited to 'render/box.c')

diff --git a/render/box.c b/render/box.c
index beda7c153..94c550c69 100644
--- a/render/box.c
+++ b/render/box.c
@@ -1,5 +1,5 @@
 /**
- * $Id: box.c,v 1.11 2002/08/18 16:46:45 bursa Exp $
+ * $Id: box.c,v 1.12 2002/09/08 18:11:56 bursa Exp $
  */
 
 #include <assert.h>
@@ -231,7 +231,7 @@ struct box * convert_xml_to_box(xmlNode * n, struct css_style * parent_style,
 }
 
 
-/*
+/**
  * get the style for an element
  */
 
@@ -288,7 +288,7 @@ struct css_style * box_get_style(struct css_stylesheet * stylesheet, struct css_
 }
 
 
-/*
+/**
  * print a box tree to standard output
  */
 
@@ -329,8 +329,8 @@ void box_dump(struct box * box, unsigned int depth)
 }
 
 
-/*
- *  ensure the box tree is correctly nested
+/**
+ * ensure the box tree is correctly nested
  */
 
 void box_normalise_block(struct box *block)
@@ -607,3 +607,28 @@ void box_normalise_inline_container(struct box *cont)
 		}
 	}
 }
+
+
+/**
+ * free a box tree recursively
+ */
+
+void box_free(struct box *box)
+{
+	/* free children first */
+	if (box->children != 0)
+		box_free(box->children);
+
+	/* then siblings */
+	if (box->next != 0)
+		box_free(box->next);
+
+	/* last this box */
+	if (box->style != 0)
+		free(box->style);
+	if (box->text != 0)
+		free(box->text);
+	/* only free href if we're the top most user */
+	if (box->href != 0 && (box->parent == 0 || box->parent->href != box->href))
+		free(box->href);
+}
-- 
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