193 static bool display_is_local(const char *display) {  in display_is_local()  argument
194         assert(display);  in display_is_local()
197                 display[0] == ':' &&  in display_is_local()
198                 display[1] >= '0' &&  in display_is_local()
199                 display[1] <= '9';  in display_is_local()
202 static int socket_from_display(const char *display) {  in socket_from_display()  argument
211         assert(display);  in socket_from_display()
213         if (!display_is_local(display))  in socket_from_display()
216         k = strspn(display+1, "0123456789");  in socket_from_display()
224         memcpy(c, display+1, k);  in socket_from_display()
254 static int get_seat_from_display(const char *display, const char **seat, uint32_t *vtnr) {  in get_seat_from_display()  argument
261         assert(display);  in get_seat_from_display()
270         fd = socket_from_display(display);  in get_seat_from_display()
681                 *tty = NULL, *display = NULL,  in pam_sm_open_session()  local
739         r = pam_get_item(handle, PAM_XDISPLAY, (const void**) &display);  in pam_sm_open_session()
771                 if (isempty(display))  in pam_sm_open_session()
772                         display = tty;  in pam_sm_open_session()
803         if (!isempty(display) && !vtnr) {  in pam_sm_open_session()
805                         (void) get_seat_from_display(display, &seat, &vtnr);  in pam_sm_open_session()
807                         (void) get_seat_from_display(display, NULL, &vtnr);  in pam_sm_open_session()
817                 type = !isempty(display) ? "x11" :  in pam_sm_open_session()
863                            strempty(seat), vtnr, strempty(tty), strempty(display),  in pam_sm_open_session()
884                         display,  in pam_sm_open_session()