xdiff/xhistogram: drop need for additional variable
Having an additional variable (ptr) instead of changing line(1|2) and
count(1|2) was for debugging purposes.
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/xdiff/xhistogram.c b/xdiff/xhistogram.c
index 130ceee..18f6f99 100644
--- a/xdiff/xhistogram.c
+++ b/xdiff/xhistogram.c
@@ -323,11 +323,10 @@
result = fall_back_to_classic_diff(&index, line1, count1, line2, count2);
else {
if (lcs.begin1 == 0 && lcs.begin2 == 0) {
- int ptr;
- for (ptr = 0; ptr < count1; ptr++)
- env->xdf1.rchg[line1 + ptr - 1] = 1;
- for (ptr = 0; ptr < count2; ptr++)
- env->xdf2.rchg[line2 + ptr - 1] = 1;
+ while (count1--)
+ env->xdf1.rchg[line1++ - 1] = 1;
+ while (count2--)
+ env->xdf2.rchg[line2++ - 1] = 1;
result = 0;
} else {
result = histogram_diff(xpp, env,
