started warn on overwrite

1 files changed, 6 insertions, 0 deletions

diff --git a/buffer.c b/buffer.c
index 5f6faec..3a808c7 100644
--- a/buffer.c
+++ b/buffer.c
@@ -94,6 +94,7 @@ void buffer_create(TextBuffer *buffer, Ted *ted) {
 	buffer->ted = ted;
 }
 
+
 void line_buffer_create(TextBuffer *buffer, Ted *ted) {
 	buffer_create(buffer, ted);
 	buffer->is_line_buffer = true;
@@ -120,6 +121,11 @@ static bool buffer_pos_valid(TextBuffer *buffer, BufferPos p) {
 	return p.line < buffer->nlines && p.index <= buffer->lines[p.line].len;
 }
 
+// are there any unsaved changes?
+bool buffer_unsaved_changes(TextBuffer *buffer) {
+	return buffer->modified;
+}
+
 // code point at position.
 // returns 0 if the position is invalid. note that it can also return 0 for a valid position, if there's a null character there
 char32_t buffer_char_at_pos(TextBuffer *buffer, BufferPos p) {