1 files changed, 18 insertions, 0 deletions
diff --git a/vcs-svn/sliding_window.h b/vcs-svn/sliding_window.h
new file mode 100644
index 000000000000..a7fc0999cb63
--- /dev/null
+++ b/vcs-svn/sliding_window.h
@@ -0,0 +1,18 @@
+#ifndef SLIDING_WINDOW_H
+#define SLIDING_WINDOW_H
+
+#include "strbuf.h"
+
+struct sliding_view {
+	struct line_buffer *file;
+	off_t off;
+	size_t width;
+	off_t max_off;	/* -1 means unlimited */
+	struct strbuf buf;
+};
+
+#define SLIDING_VIEW_INIT(input, len)	{ (input), 0, 0, (len), STRBUF_INIT }
+
+int move_window(struct sliding_view *view, off_t off, size_t width);
+
+#endif