void
setup_environment (void)
{
const gchar *lang;
const gchar *sm;
gchar *authfile;
int fd;
/* check that no other session manager is running */
sm = g_getenv ("SESSION_MANAGER");
if (sm != NULL && strlen (sm) > 0)
{
fprintf (stderr, "xfce4-session: Another session manager is already running\n");
exit (EXIT_FAILURE);
}
/* check if running in verbose mode */
if (g_getenv ("XFSM_VERBOSE") != NULL)
xfsm_enable_verbose ();
/* pass correct DISPLAY to children, in case of --display in argv */
xfce_setenv ("DISPLAY", gdk_display_get_name (gdk_display_get_default ()), TRUE);
/* this is for compatibility with the GNOME Display Manager */
lang = g_getenv ("GDM_LANG");
if (lang != NULL)
{
xfce_setenv ("LANG", lang, TRUE);
xfce_unsetenv ("GDM_LANG");
}
/* check access to $HOME/.ICEauthority */
authfile = xfce_get_homefile (".ICEauthority", NULL);
fd = open (authfile, O_RDWR | O_CREAT, 0600);
if (fd < 0)
{
fprintf (stderr, "xfce4-session: Unable to access file %s: %s\n",
authfile, g_strerror (errno));
exit (EXIT_FAILURE);
}
g_free (authfile);
close (fd);
}
void
xfsm_verbose_real (const char *func,
const char *file,
int line,
const char *format,
...)
{
static FILE *fp = NULL;
gchar *logfile;
va_list valist;
if (G_UNLIKELY (fp == NULL))
{
logfile = xfce_get_homefile (".xfce4-session.verbose-log", NULL);
/* rename an existing log file to -log.last */
if (logfile && g_file_test (logfile, G_FILE_TEST_EXISTS))
{
gchar *oldlogfile = g_strdup_printf ("%s.last", logfile);
if (oldlogfile)
{
rename (logfile, oldlogfile);
g_free (oldlogfile);
}
}
fp = fopen (logfile, "w");
g_free (logfile);
fprintf(fp, "log file opened\n");
}
fprintf (fp, "TRACE[%s:%d] %s(): ", file, line, func);
va_start (valist, format);
vfprintf (fp, format, valist);
fflush (fp);
va_end (valist);
}