/* This is a helper for the `set logging' command. */
static void
handle_redirections (int from_tty)
{
struct ui_file *output;
if (saved_filename != NULL)
{
fprintf_unfiltered (gdb_stdout, "Already logging to %s.\n",
saved_filename);
return;
}
output = gdb_fopen (logging_filename, logging_overwrite ? "w" : "a");
if (output == NULL)
perror_with_name ("set logging");
/* Redirects everything to gdb_stdout while this is running. */
if (!logging_redirect)
{
output = tee_file_new (gdb_stdout, 0, output, 1);
if (output == NULL)
perror_with_name ("set logging");
if (from_tty)
fprintf_unfiltered (gdb_stdout, "Copying output to %s.\n",
logging_filename);
}
else if (from_tty)
fprintf_unfiltered (gdb_stdout, "Redirecting output to %s.\n",
logging_filename);
saved_filename = xstrdup (logging_filename);
saved_output.out = gdb_stdout;
saved_output.err = gdb_stderr;
saved_output.log = gdb_stdlog;
saved_output.targ = gdb_stdtarg;
gdb_stdout = output;
gdb_stderr = output;
gdb_stdlog = output;
gdb_stdtarg = output;
if (ui_out_redirect (uiout, gdb_stdout) < 0)
warning ("Current output protocol does not support redirection");
}
static int
mi_set_logging (struct interp *interp, int start_log,
struct ui_file *out, struct ui_file *logfile)
{
struct mi_interp *mi = interp_data (interp);
if (!mi)
return 0;
if (start_log)
{
/* The tee created already is based on gdb_stdout, which for MI
is a console and so we end up in an infinite loop of console
writing to ui_file writing to console etc. So discard the
existing tee (it hasn't been used yet, and MI won't ever use
it), and create one based on raw_stdout instead. */
if (logfile)
{
ui_file_delete (out);
out = tee_file_new (raw_stdout, 0, logfile, 0);
}
saved_raw_stdout = raw_stdout;
raw_stdout = out;
}
else
{
raw_stdout = saved_raw_stdout;
saved_raw_stdout = NULL;
}
mi_console_set_raw (mi->out, raw_stdout);
mi_console_set_raw (mi->err, raw_stdout);
mi_console_set_raw (mi->log, raw_stdout);
mi_console_set_raw (mi->targ, raw_stdout);
mi_console_set_raw (mi->event_channel, raw_stdout);
return 1;
}
