[PATCH 3/4] xdl_merge(): fix an off-by-one bug

From

Johannes Schindelin <johannes.schindelin@gmx.de>

Date

Nov 29, 2006, 23:24 UTC

Message-ID

<Pine.LNX.4.63.0611300024100.30004@wbgn013.biozentrum.uni-wuerzburg.de>

The line range is i1 .. (i1 + chg1 - 1), not i1 .. (i1 + chg1).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 xdiff/xmerge.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index 6b6fbb8..9fe2059 100644
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -194,11 +194,11 @@ static int xdl_refine_conflicts(xdfenv_t
 		 * we have a very simple mmfile structure.
 		 */
 		t1.ptr = (char *)xe1->xdf2.recs[m->i1]->ptr;
-		t1.size = xe1->xdf2.recs[m->i1 + m->chg1]->ptr
-			+ xe1->xdf2.recs[m->i1 + m->chg1]->size - t1.ptr;
-		t2.ptr = (char *)xe2->xdf2.recs[m->i1]->ptr;
-		t2.size = xe2->xdf2.recs[m->i1 + m->chg1]->ptr
-			+ xe2->xdf2.recs[m->i1 + m->chg1]->size - t2.ptr;
+		t1.size = xe1->xdf2.recs[m->i1 + m->chg1 - 1]->ptr
+			+ xe1->xdf2.recs[m->i1 + m->chg1 - 1]->size - t1.ptr;
+		t2.ptr = (char *)xe2->xdf2.recs[m->i2]->ptr;
+		t2.size = xe2->xdf2.recs[m->i2 + m->chg2 - 1]->ptr
+			+ xe2->xdf2.recs[m->i2 + m->chg2 - 1]->size - t2.ptr;
 		if (xdl_do_diff(&t1, &t2, xpp, &xe) < 0)
 			return -1;
 		if (xdl_change_compact(&xe.xdf1, &xe.xdf2, xpp->flags) < 0 ||

-- 
1.4.4.g5aac-dirty