commit a8bedc6ae3f6d610aa634445809835c26aaf16bc
author Yifan Hong <elsk@google.com> Fri Sep 08 18:00:31 2017 -0700
committer Yifan Hong <elsk@google.com> Thu Sep 14 13:40:27 2017 -0700
tree cbfdbeef473f3073d5b7172ddc5dbd78232a38ee
parent ded398e5b6530c4ced5bd42f9b75ca2caa527239

lshal: add HelpCommand

Add *Command::usage() function for each Command and let
Lshal class to call them.

Suppress output from getopt_long and write our own
error message to customized error stream (for testing).

Test: lshal_test
Test: lshal --help

Change-Id: I8f5847c84a3e01af29fa85871479cab3baeb5312

cmds/lshal/Android.bp

diff --git a/cmds/lshal/Android.bp b/cmds/lshal/Android.bp
index 4781468..5a87505 100644
--- a/cmds/lshal/Android.bp
+++ b/cmds/lshal/Android.bp
@@ -25,6 +25,7 @@
     ],
     srcs: [
         "DebugCommand.cpp",
+        "HelpCommand.cpp",
         "Lshal.cpp",
         "ListCommand.cpp",
         "PipeRelay.cpp",