patch 8.0.0571: negative line number when using :z^ in an empty buffer
Problem: The cursor line number becomes negative when using :z^ in an empty
buffer. (neovim #6557)
Solution: Correct the line number. Also reset the column.
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 4b0bdef..309474c 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -4664,6 +4664,8 @@
if (curs > curbuf->b_ml.ml_line_count)
curs = curbuf->b_ml.ml_line_count;
+ else if (curs < 1)
+ curs = 1;
for (i = start; i <= end; i++)
{
@@ -4686,7 +4688,11 @@
}
}
- curwin->w_cursor.lnum = curs;
+ if (curwin->w_cursor.lnum != curs)
+ {
+ curwin->w_cursor.lnum = curs;
+ curwin->w_cursor.col = 0;
+ }
ex_no_reprint = TRUE;
}