patch 8.2.2547: "%" command not accurate for big files
Problem: "%" command not accurate for big files.
Solution: Make it more accurate for files up to 21M lines. (Dominique Pellé,
closes #7889)
diff --git a/src/normal.c b/src/normal.c
index 9fbfadf..d2f4159 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -4769,9 +4769,11 @@
{
cap->oap->motion_type = MLINE;
setpcmark();
- // Round up, so CTRL-G will give same value. Watch out for a
- // large line count, the line number must not go negative!
- if (curbuf->b_ml.ml_line_count > 1000000)
+ // Round up, so 'normal 100%' always jumps at the line line.
+ // Beyond 21474836 lines, (ml_line_count * 100 + 99) would
+ // overflow on 32-bits, so use a formula with less accuracy
+ // to avoid overflows.
+ if (curbuf->b_ml.ml_line_count >= 21474836)
curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
/ 100L * cap->count0;
else