reserve space for vector of can_frame (#20771)

old-commit-hash: e151425c1c7f3e642b06504c165d7db8bab8a603
2026-08-21 08:14:00 +08:00 · 2021-04-29 04:50:21 +08:00
parent 9aa9d33f92
commit d76b938a03
1 changed files with 2 additions and 0 deletions
@@ -14,6 +14,8 @@ cdef extern void can_list_to_can_capnp_cpp(const vector[can_frame] &can_list, st

 def can_list_to_can_capnp(can_msgs, msgtype='can', valid=True):
  cdef vector[can_frame] can_list
+  can_list.reserve(len(can_msgs))
+
  cdef can_frame f
  for can_msg in can_msgs:
    f.address = can_msg[0]