1 files changed, 5 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index 6febe7e365..9443dc1b00 100644
--- a/diff.h
+++ b/diff.h
@@ -285,6 +285,11 @@ struct diff_options {
 	/* Number of hexdigits to abbreviate raw format output to. */
 	int abbrev;
 
+	/* If non-zero, then stop computing after this many changes. */
+	int max_changes;
+	/* For internal use only. */
+	int num_changes;
+
 	int ita_invisible_in_index;
 /* white-space error highlighting */
 #define WSEH_NEW (1<<12)