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-rw-r--r--sys/dev/syscons/scterm.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/sys/dev/syscons/scterm.c b/sys/dev/syscons/scterm.c
new file mode 100644
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+++ b/sys/dev/syscons/scterm.c
@@ -0,0 +1,125 @@
+/*-
+ * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer as
+ * the first lines of this file unmodified.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include "opt_syscons.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/consio.h>
+
+#include <dev/syscons/syscons.h>
+#include <dev/syscons/sctermvar.h>
+
+SET_DECLARE(scterm_set, sc_term_sw_t);
+
+/* exported subroutines */
+
+void
+sc_move_cursor(scr_stat *scp, int x, int y)
+{
+ if (x < 0)
+ x = 0;
+ if (y < 0)
+ y = 0;
+ if (x >= scp->xsize)
+ x = scp->xsize - 1;
+ if (y >= scp->ysize)
+ y = scp->ysize - 1;
+ scp->xpos = x;
+ scp->ypos = y;
+ scp->cursor_pos = scp->ypos*scp->xsize + scp->xpos;
+}
+
+void
+sc_clear_screen(scr_stat *scp)
+{
+ (*scp->tsw->te_clear)(scp);
+ scp->cursor_oldpos = scp->cursor_pos;
+ sc_remove_cutmarking(scp);
+}
+
+/* terminal emulator manager routines */
+
+static LIST_HEAD(, sc_term_sw) sc_term_list =
+ LIST_HEAD_INITIALIZER(sc_term_list);
+
+int
+sc_term_add(sc_term_sw_t *sw)
+{
+ LIST_INSERT_HEAD(&sc_term_list, sw, link);
+ return 0;
+}
+
+int
+sc_term_remove(sc_term_sw_t *sw)
+{
+ LIST_REMOVE(sw, link);
+ return 0;
+}
+
+sc_term_sw_t
+*sc_term_match(char *name)
+{
+ sc_term_sw_t **list;
+ sc_term_sw_t *p;
+
+ if (!LIST_EMPTY(&sc_term_list)) {
+ LIST_FOREACH(p, &sc_term_list, link) {
+ if ((strcmp(name, p->te_name) == 0)
+ || (strcmp(name, "*") == 0)) {
+ return p;
+ }
+ }
+ } else {
+ SET_FOREACH(list, scterm_set) {
+ p = *list;
+ if ((strcmp(name, p->te_name) == 0)
+ || (strcmp(name, "*") == 0)) {
+ return p;
+ }
+ }
+ }
+
+ return NULL;
+}
+
+sc_term_sw_t
+*sc_term_match_by_number(int index)
+{
+ sc_term_sw_t *p;
+
+ if (index <= 0)
+ return NULL;
+ LIST_FOREACH(p, &sc_term_list, link) {
+ if (--index <= 0)
+ return p;
+ }
+
+ return NULL;
+}
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