Use same configuration file as Linux on macOS (#1657)

Author: pierreluctg

can/util.py

@@ -43,7 +43,7 @@
 
 CONFIG_FILES = ["~/can.conf"]
 
-if platform.system() == "Linux":
+if platform.system() in ("Linux", "Darwin"):
     CONFIG_FILES.extend(["/etc/can.conf", "~/.can", "~/.canrc"])
 elif platform.system() == "Windows" or platform.python_implementation() == "IronPython":
     CONFIG_FILES.extend(["can.ini", os.path.join(os.getenv("APPDATA", ""), "can.ini")])

doc/configuration.rst

@@ -36,7 +36,7 @@ You can also specify the interface and channel for each Bus instance::
 Configuration File
 ------------------
 
-On Linux systems the config file is searched in the following paths:
+On Linux and macOS systems the config file is searched in the following paths:
 
 #. ``~/can.conf``
 #. ``/etc/can.conf``
@@ -159,4 +159,4 @@ Lookup table of interface names:
 | ``"virtual"``       | :doc:`interfaces/virtual`           |
 +---------------------+-------------------------------------+
 
-Additional interface types can be added via the :ref:`plugin interface`.
+Additional interface types can be added via the :ref:`plugin interface`.