[PATCH] hhctrl: add check for command-line arguments

[Alexandre Julliard]

Wolfram Sang <wolfram at the-dreams.de> writes:

> If the commandline is just '\0', hh.exe crashes like:
>
> ~$ wine hh.exe
> fixme:htmlhelp:HtmlHelpW Not all HH cases handled correctly
> wine: Unhandled page fault on read access to 0x0000000c at address 0x7e9e8747 (thread 0009), starting debugger...
>
> Fixes Bug 19070.

You should also handle the case of options without filename, or of empty
filename.

-- 
Alexandre Julliard
julliard at winehq.org