1/*-
2 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/teken/teken_subr.h 197470 2009-09-24 20:33:14Z ed $
27 */
28
29static void teken_subr_cursor_up(teken_t *, unsigned int);
30static void teken_subr_erase_line(teken_t *, unsigned int);
31static void teken_subr_regular_character(teken_t *, teken_char_t);
32static void teken_subr_reset_to_initial_state(teken_t *);
33static void teken_subr_save_cursor(teken_t *);
34
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797}
798
799static void
800teken_subr_regular_character(teken_t *t, teken_char_t c)
801{
802 int width;
803
804 if (t->t_stateflags & TS_8BIT) {
805 if (!(t->t_stateflags & TS_CONS25) && (c <= 0x1b || c == 0x7f))
806 return;
807 c = teken_scs_process(t, c);
808 width = 1;
809 } else {
810 c = teken_scs_process(t, c);
811 width = teken_wcwidth(c);
812 /* XXX: Don't process zero-width characters yet. */
813 if (width <= 0)
814 return;
815 }
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2 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
--- 9 unchanged lines hidden (view full) ---
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/teken/teken_subr.h 197470 2009-09-24 20:33:14Z ed $
27 */
28
29static void teken_subr_cursor_up(teken_t *, unsigned int);
30static void teken_subr_erase_line(teken_t *, unsigned int);
31static void teken_subr_regular_character(teken_t *, teken_char_t);
32static void teken_subr_reset_to_initial_state(teken_t *);
33static void teken_subr_save_cursor(teken_t *);
34
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797}
798
799static void
800teken_subr_regular_character(teken_t *t, teken_char_t c)
801{
802 int width;
803
804 if (t->t_stateflags & TS_8BIT) {
805 if (!(t->t_stateflags & TS_CONS25) && (c <= 0x1b || c == 0x7f))
806 return;
807 c = teken_scs_process(t, c);
808 width = 1;
809 } else {
810 c = teken_scs_process(t, c);
811 width = teken_wcwidth(c);
812 /* XXX: Don't process zero-width characters yet. */
813 if (width <= 0)
814 return;
815 }
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