# [PATCH 4/4] xdl_merge(): fix thinko

1 messages from 2006-11-29 to 2006-11-29. Participants: Johannes Schindelin.
Thread: https://gitlist.dev/t/43772

## Johannes Schindelin, 2006-11-29 23:25

Subject: [PATCH 4/4] xdl_merge(): fix thinko
Message-ID: <Pine.LNX.4.63.0611300024350.30004@wbgn013.biozentrum.uni-wuerzburg.de>
URL: https://gitlist.dev/e/Pine.LNX.4.63.0611300024350.30004%40wbgn013.biozentrum.uni-wuerzburg.de

```

If one side's block (of changed lines) ends later than the other
side's block, the former should be tested against the next block
of the other side, not vice versa.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 xdiff/xmerge.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index 9fe2059..6d4f9b6 100644
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -318,13 +318,13 @@ static int xdl_do_merge(xdfenv_t *xe1, x
 			xscr1->i1 = i2;
 			xscr1->i2 += xscr1->chg2;
 			xscr1->chg2 = 0;
-			xscr1 = xscr1->next;
+			xscr2 = xscr2->next;
 		} else if (i2 > i1) {
 			xscr2->chg1 -= i2 - i1;
 			xscr2->i1 = i1;
 			xscr2->i2 += xscr2->chg2;
 			xscr2->chg2 = 0;
-			xscr2 = xscr2->next;
+			xscr1 = xscr1->next;
 		} else {
 			xscr1 = xscr1->next;
 			xscr2 = xscr2->next;
-- 
1.4.4.g5aac-dirty

```
