[PATCH] [gdb/cli] Add command: show logging active

[Lancelot SIX]

> > ---
> >  gdb/NEWS              |  5 +++++
> >  gdb/cli/cli-logging.c | 13 +++++++++++++
> >  gdb/doc/gdb.texinfo   |  2 ++
> >  3 files changed, 20 insertions(+)
> > 
> > diff --git a/gdb/NEWS b/gdb/NEWS
> > index 9e950d2f80d..253070a2a57 100644
> > --- a/gdb/NEWS
> > +++ b/gdb/NEWS
> > @@ -32,6 +32,11 @@ maint show internal-warning backtrace
> >    internal-error, or an internal-warning.  This is on by default for
> >    internal-error and off by default for internal-warning.
> >  
> > +show logging active
> > +  This command shows whether logging is enabled or disabled.  Whether logging
> > +  is enabled or disabled is controlled by pre-existing command
> > +  "set logging [on|off]".
> > +
> >  * Python API
> >  
> >    ** New function gdb.add_history(), which takes a gdb.Value object
> > diff --git a/gdb/cli/cli-logging.c b/gdb/cli/cli-logging.c
> > index f0ee09180f9..081afcc4ca2 100644
> > --- a/gdb/cli/cli-logging.c
> > +++ b/gdb/cli/cli-logging.c
> > @@ -163,6 +163,17 @@ set_logging_off (const char *args, int from_tty)
> >    saved_filename = NULL;
> >  }
> >  
> > +/* Show the status set by set_logging_on / set_logging_off.  */
> > +
> > +static void
> > +show_logging_on_off (const char *args, int from_tty)
> > +{
> > +  if (saved_filename)

Hi,

I just have a minor styling remark.  This should be:

  if (saved_filename != nullptr)

Shouldn't it?

Best,
Lancelot.

> > +    printf_unfiltered (_("Logging is enabled.\n"));
> > +  else
> > +    printf_unfiltered (_("Logging is disabled.\n"));
> > +}
> > +
> >  void _initialize_cli_logging ();
> >  void
> >  _initialize_cli_logging ()
> > @@ -211,4 +222,6 @@ The logfile is used when directing GDB's output."),
> >  	   _("Enable logging."), &set_logging_cmdlist);
> >    add_cmd ("off", class_support, set_logging_off,
> >  	   _("Disable logging."), &set_logging_cmdlist);
> > +  add_cmd ("active", class_support, show_logging_on_off,
> > +	   _("Show whether logging is active."), &show_logging_cmdlist);
> >  }
> > diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
> > index 1b13973cdc5..4bea8f9b3dc 100644
> > --- a/gdb/doc/gdb.texinfo
> > +++ b/gdb/doc/gdb.texinfo
> > @@ -1723,6 +1723,8 @@ Set @code{redirect} if you want output to go only to the log file.
> >  By default, @value{GDBN} debug output will go to both the terminal and the logfile.
> >  Set @code{debugredirect} if you want debug output to go only to the log file.
> >  @kindex show logging
> > +@item show logging [active|file|overwrite|redirect|debugredirect]
> > +Show the current value of the logging setting.
> >  @item show logging
> >  Show the current values of the logging settings.
> >  @end table
> > 
> > base-commit: 0c3e266dc283a45a23185be3bb49e4d33987a892
> >