On 2024-11-12 Jeremy Drake wrote:
> On Tue, 12 Nov 2024, Martin Storsjö wrote:
>
> > Regarding the above, I wouldn't exactly think that those apps ignore
> > argv[] and get the command line some other way - but I'm not
> > entirely sure; ideally we'd take it up with them to understand
> > exactly what their setup is and how it works, and how our change
> > broke that.
> >
> > But it'd be interesting to know how their test cases worked exactly
> > anyway.
>
> One comment referenced glib g_win32_get_command_line returning utf-8,
> so I assume it calls GetCommandLineW and converts to UTF-8 itself?
GetCommandLineW() is parsed with CommandLineToArgvW() and then
converted to UTF-8:
https://gitlab.gnome.org/GNOME/glib/-/blob/main/glib/gwin32.c?ref_type=heads#L756
The comment above the function is worth reading. The intention is that
argv[] from main() is ignored.
The UTF-8 conversion returns NULL if there are unpaired surrogates.
That is, the resulting argv[] may have NULL pointers.
https://gitlab.gnome.org/GNOME/glib/-/blob/main/glib/gutf8.c?ref_type=heads#L1077
--
Lasse Collin
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