[PATCH v2 0/7] MR5997: Cmd engine rewrite (part XVI)

[eric pouech (＠epo)]

This is part XVI of cmd engine rewrite.

Nothing fancy, mainly setting success/failure return code
for a bunch of commands.
Some code cleanup.

--
  v2: programs/cmd: Set success/failure return code for LABEL command.
      programs/cmd: Set success/failure return code for VOL command.
      programs/cmd: Set success/failure return code for VERIFY command.
      programs/cmd: Set success/failure return code for VER command.
      programs/cmd: Set success/failure return code for DATE TIME commands.
      programs/cmd: Set success/failure return code for SETLOCAL/ENDLOCAL commands.
      programs/cmd/tests: Test success / failure for more commands.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/5997