Fix crash when saving a selection after its containing window's content

has changed.

svn path=/trunk/netsurf/; revision=2557

1 files changed, 9 insertions, 6 deletions

diff --git a/desktop/selection.c b/desktop/selection.c
index 829014f10..694bf5502 100644
--- a/desktop/selection.c
+++ b/desktop/selection.c
@@ -372,7 +372,7 @@ bool selected_part(struct box *box, unsigned start_idx, unsigned end_idx,
 	if (box_length > 0) {
 		if (box->byte_offset >= start_idx &&
 			box->byte_offset + box_length <= end_idx) {
-	
+
 			/* fully enclosed */
 			*start_offset = 0;
 			*end_offset = box_length;
@@ -383,18 +383,18 @@ bool selected_part(struct box *box, unsigned start_idx, unsigned end_idx,
 			/* partly enclosed */
 			int offset = 0;
 			int len;
-	
+
 			if (box->byte_offset < start_idx)
 				offset = start_idx - box->byte_offset;
-	
+
 			len = box_length - offset;
-	
+
 			if (box->byte_offset + box_length > end_idx)
 				len = end_idx - (box->byte_offset + offset);
-	
+
 			*start_offset = offset;
 			*end_offset = offset + len;
-	
+
 			return true;
 		}
 	}
@@ -870,6 +870,9 @@ bool selection_save_text(struct selection *s, const char *path)
 		return false;
 	}
 
+	if (!sv.block)
+		return false;
+
 	ret = utf8_to_local_encoding(sv.block, sv.length, &result);
 	free(sv.block);