[Bug 253831] misc/mc More than 1 copy of mc application does not start in sysutils/screen

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253831

--- Comment #24 from Cy Schubert <cy at FreeBSD.org> ---
This is for woodsb02:

In frame 4 at layout.c just above line 976 ENABLE_SUBSHELL appears it might be
enabled. I don't have config.h to view, admin at support.od.ua can confirm.

At line 966 tmp_prompt gets the address of the prompt:

    char *tmp_prompt = (char *) mc_prompt;

Then here it's nuked:

#ifdef ENABLE_SUBSHELL
    if (mc_global.tty.use_subshell)
    {
        tmp_prompt = g_string_free (subshell_prompt, FALSE);
        (void) strip_ctrl_codes (tmp_prompt);
    }
#endif

At this point tmp_prompt is a NULL pointer because subshell_prompt is also a
NULL pointer. I don't see where subshell_prompt is set anywhere. Likely a bug
in mc that upsteam must fix.

Not much else I can do.

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