patch 9.0.0013: reproducing memory access errors can be difficult
Problem: Reproducing memory access errors can be difficult.
Solution: When testing, copy each line to allocated memory, so that valgrind
can detect accessing memory before and/or after it. Fix uncovered
problems.
diff --git a/src/change.c b/src/change.c
index ed1f3a3..2bb6388 100644
--- a/src/change.c
+++ b/src/change.c
@@ -1535,13 +1535,17 @@
{
// End of C comment, indent should line up
// with the line containing the start of
- // the comment
+ // the comment.
curwin->w_cursor.col = (colnr_T)(p - ptr);
if ((pos = findmatch(NULL, NUL)) != NULL)
{
curwin->w_cursor.lnum = pos->lnum;
newindent = get_indent();
+ break;
}
+ // this may make "ptr" invalid, get it again
+ ptr = ml_get(curwin->w_cursor.lnum);
+ p = ptr + curwin->w_cursor.col;
}
}
}