[PATCH] Clean up diff_setup() to make it more extensible.

This changes the argument of diff_setup() from an integer that
says if we are feeding reversed diff to a bitmask, so that later
global options can be added more easily.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/diff.c b/diff.c
index f15eb08ef7..a11675551e 100644
--- a/diff.c
+++ b/diff.c
@@ -492,9 +492,10 @@ static void run_diff(const char *name,
 		run_external_diff(pgm, name, other, one, two, xfrm_msg);
 }
 
-void diff_setup(int reverse_diff_)
+void diff_setup(int flags)
 {
-	reverse_diff = reverse_diff_;
+	if (flags & DIFF_SETUP_REVERSE)
+		reverse_diff = 1;
 }
 
 struct diff_queue_struct diff_queued_diff;