diff options
| -rw-r--r-- | src/buffer.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/buffer.c b/src/buffer.c index 7af8dbc334c..d1ee97c1924 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -2498,9 +2498,11 @@ overlays_at (pos, extend, vec_ptr, len_ptr, next_ptr, prev_ptr, change_req) { if (extend) { - *len_ptr = len *= 2; + /* Make it work with an initial len == 0. */ + len *= 2; if (len == 0) - len = *len_ptr = 4; + len = 4; + *len_ptr = len; vec = (Lisp_Object *) xrealloc (vec, len * sizeof (Lisp_Object)); *vec_ptr = vec; } @@ -2594,7 +2596,11 @@ overlays_in (beg, end, extend, vec_ptr, len_ptr, next_ptr, prev_ptr) Either make it bigger, or don't store any more in it. */ if (extend) { - *len_ptr = len *= 2; + /* Make it work with an initial len == 0. */ + len *= 2; + if (len == 0) + len = 4; + *len_ptr = len; vec = (Lisp_Object *) xrealloc (vec, len * sizeof (Lisp_Object)); *vec_ptr = vec; } @@ -2638,7 +2644,11 @@ overlays_in (beg, end, extend, vec_ptr, len_ptr, next_ptr, prev_ptr) { if (extend) { - *len_ptr = len *= 2; + /* Make it work with an initial len == 0. */ + len *= 2; + if (len == 0) + len = 4; + *len_ptr = len; vec = (Lisp_Object *) xrealloc (vec, len * sizeof (Lisp_Object)); *vec_ptr = vec; } |