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vt_core.c (271769) vt_core.c (271952)
1/*-
2 * Copyright (c) 2009, 2013 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Ed Schouten under sponsorship from the
6 * FreeBSD Foundation.
7 *
8 * Portions of this software were developed by Oleksandr Rybalko

--- 17 unchanged lines hidden (view full) ---

26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2009, 2013 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Ed Schouten under sponsorship from the
6 * FreeBSD Foundation.
7 *
8 * Portions of this software were developed by Oleksandr Rybalko

--- 17 unchanged lines hidden (view full) ---

26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: stable/10/sys/dev/vt/vt_core.c 271769 2014-09-18 14:38:18Z dumbbell $");
34__FBSDID("$FreeBSD: stable/10/sys/dev/vt/vt_core.c 271952 2014-09-22 10:21:08Z ray $");
35
36#include "opt_compat.h"
37
38#include <sys/param.h>
39#include <sys/consio.h>
40#include <sys/eventhandler.h>
41#include <sys/fbio.h>
42#include <sys/kbio.h>
43#include <sys/kdb.h>
44#include <sys/kernel.h>
45#include <sys/lock.h>
46#include <sys/malloc.h>
47#include <sys/mutex.h>
35
36#include "opt_compat.h"
37
38#include <sys/param.h>
39#include <sys/consio.h>
40#include <sys/eventhandler.h>
41#include <sys/fbio.h>
42#include <sys/kbio.h>
43#include <sys/kdb.h>
44#include <sys/kernel.h>
45#include <sys/lock.h>
46#include <sys/malloc.h>
47#include <sys/mutex.h>
48#include <sys/power.h>
48#include <sys/priv.h>
49#include <sys/proc.h>
50#include <sys/reboot.h>
51#include <sys/systm.h>
52#include <sys/terminal.h>
53
54#include <dev/kbd/kbdreg.h>
55#include <dev/vt/vt.h>

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118 (vw)->vw_number)
119
120static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters");
121VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)");
122VT_SYSCTL_INT(debug, 0, "vt(9) debug level");
123VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode");
124VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend");
125
49#include <sys/priv.h>
50#include <sys/proc.h>
51#include <sys/reboot.h>
52#include <sys/systm.h>
53#include <sys/terminal.h>
54
55#include <dev/kbd/kbdreg.h>
56#include <dev/vt/vt.h>

--- 62 unchanged lines hidden (view full) ---

119 (vw)->vw_number)
120
121static SYSCTL_NODE(_kern, OID_AUTO, vt, CTLFLAG_RD, 0, "vt(9) parameters");
122VT_SYSCTL_INT(enable_altgr, 1, "Enable AltGr key (Do not assume R.Alt as Alt)");
123VT_SYSCTL_INT(debug, 0, "vt(9) debug level");
124VT_SYSCTL_INT(deadtimer, 15, "Time to wait busy process in VT_PROCESS mode");
125VT_SYSCTL_INT(suspendswitch, 1, "Switch to VT0 before suspend");
126
127/* Allow to disable some keyboard combinations. */
128VT_SYSCTL_INT(kbd_halt, 1, "Enable halt keyboard combination. "
129 "See kbdmap(5) to configure.");
130VT_SYSCTL_INT(kbd_poweroff, 1, "Enable Power Off keyboard combination. "
131 "See kbdmap(5) to configure.");
132VT_SYSCTL_INT(kbd_reboot, 1, "Enable reboot keyboard combination. "
133 "See kbdmap(5) to configure (typically Ctrl-Alt-Delete).");
134VT_SYSCTL_INT(kbd_debug, 1, "Enable key combination to enter debugger. "
135 "See kbdmap(5) to configure (typically Ctrl-Alt-Esc).");
136VT_SYSCTL_INT(kbd_panic, 0, "Enable request to panic. "
137 "See kbdmap(5) to configure.");
138
126static struct vt_device vt_consdev;
127static unsigned int vt_unit = 0;
128static MALLOC_DEFINE(M_VT, "vt", "vt device");
129struct vt_device *main_vd = &vt_consdev;
130
131/* Boot logo. */
132extern unsigned int vt_logo_width;
133extern unsigned int vt_logo_height;

--- 10 unchanged lines hidden (view full) ---

144static int signal_vt_acq(struct vt_window *);
145static int finish_vt_rel(struct vt_window *, int, int *);
146static int finish_vt_acq(struct vt_window *);
147static int vt_window_switch(struct vt_window *);
148static int vt_late_window_switch(struct vt_window *);
149static int vt_proc_alive(struct vt_window *);
150static void vt_resize(struct vt_device *);
151static void vt_update_static(void *);
139static struct vt_device vt_consdev;
140static unsigned int vt_unit = 0;
141static MALLOC_DEFINE(M_VT, "vt", "vt device");
142struct vt_device *main_vd = &vt_consdev;
143
144/* Boot logo. */
145extern unsigned int vt_logo_width;
146extern unsigned int vt_logo_height;

--- 10 unchanged lines hidden (view full) ---

157static int signal_vt_acq(struct vt_window *);
158static int finish_vt_rel(struct vt_window *, int, int *);
159static int finish_vt_acq(struct vt_window *);
160static int vt_window_switch(struct vt_window *);
161static int vt_late_window_switch(struct vt_window *);
162static int vt_proc_alive(struct vt_window *);
163static void vt_resize(struct vt_device *);
164static void vt_update_static(void *);
165#ifndef SC_NO_CUTPASTE
166static void vt_mouse_paste(void);
167#endif
152
153SET_DECLARE(vt_drv_set, struct vt_driver);
154
155#define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_DEFAULT_HEIGHT))
156#define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_DEFAULT_WIDTH))
157
158static struct terminal vt_consterm;
159static struct vt_window vt_conswindow;
160static struct vt_device vt_consdev = {
161 .vd_driver = NULL,
162 .vd_softc = NULL,
163 .vd_flags = VDF_INVALID,
164 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, },
165 .vd_curwindow = &vt_conswindow,
168
169SET_DECLARE(vt_drv_set, struct vt_driver);
170
171#define _VTDEFH MAX(100, PIXEL_HEIGHT(VT_FB_DEFAULT_HEIGHT))
172#define _VTDEFW MAX(200, PIXEL_WIDTH(VT_FB_DEFAULT_WIDTH))
173
174static struct terminal vt_consterm;
175static struct vt_window vt_conswindow;
176static struct vt_device vt_consdev = {
177 .vd_driver = NULL,
178 .vd_softc = NULL,
179 .vd_flags = VDF_INVALID,
180 .vd_windows = { [VT_CONSWINDOW] = &vt_conswindow, },
181 .vd_curwindow = &vt_conswindow,
166 .vd_markedwin = NULL,
167 .vd_kbstate = 0,
168
169#ifndef SC_NO_CUTPASTE
182 .vd_kbstate = 0,
183
184#ifndef SC_NO_CUTPASTE
185 .vd_pastebuf = {
186 .vpb_buf = NULL,
187 .vpb_bufsz = 0,
188 .vpb_len = 0
189 },
170 .vd_mcursor = &vt_default_mouse_pointer,
171 .vd_mcursor_fg = TC_WHITE,
172 .vd_mcursor_bg = TC_BLACK,
173#endif
174};
175static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)];
176static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE];
177static struct vt_window vt_conswindow = {

--- 151 unchanged lines hidden (view full) ---

329 int ret;
330
331 vd = vw->vw_device;
332 curvw = vd->vd_curwindow;
333
334 if (curvw->vw_flags & VWF_VTYLOCK)
335 return (EBUSY);
336
190 .vd_mcursor = &vt_default_mouse_pointer,
191 .vd_mcursor_fg = TC_WHITE,
192 .vd_mcursor_bg = TC_BLACK,
193#endif
194};
195static term_char_t vt_constextbuf[(_VTDEFW) * (VBF_DEFAULT_HISTORY_SIZE)];
196static term_char_t *vt_constextbufrows[VBF_DEFAULT_HISTORY_SIZE];
197static struct vt_window vt_conswindow = {

--- 151 unchanged lines hidden (view full) ---

349 int ret;
350
351 vd = vw->vw_device;
352 curvw = vd->vd_curwindow;
353
354 if (curvw->vw_flags & VWF_VTYLOCK)
355 return (EBUSY);
356
337 /* Ask current process permitions to switch away. */
357 /* Ask current process permission to switch away. */
338 if (curvw->vw_smode.mode == VT_PROCESS) {
339 DPRINTF(30, "%s: VT_PROCESS ", __func__);
340 if (vt_proc_alive(curvw) == FALSE) {
341 DPRINTF(30, "Dead. Cleaning.");
342 /* Dead */
343 } else {
344 DPRINTF(30, "%s: Signaling process.\n", __func__);
345 /* Alive, try to ask him. */

--- 133 unchanged lines hidden (view full) ---

479 vt_resume_flush_timer(vw->vw_device, 0);
480}
481
482static int
483vt_machine_kbdevent(int c)
484{
485
486 switch (c) {
358 if (curvw->vw_smode.mode == VT_PROCESS) {
359 DPRINTF(30, "%s: VT_PROCESS ", __func__);
360 if (vt_proc_alive(curvw) == FALSE) {
361 DPRINTF(30, "Dead. Cleaning.");
362 /* Dead */
363 } else {
364 DPRINTF(30, "%s: Signaling process.\n", __func__);
365 /* Alive, try to ask him. */

--- 133 unchanged lines hidden (view full) ---

499 vt_resume_flush_timer(vw->vw_device, 0);
500}
501
502static int
503vt_machine_kbdevent(int c)
504{
505
506 switch (c) {
487 case SPCLKEY | DBG:
488 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
507 case SPCLKEY | DBG: /* kbdmap(5) keyword `debug`. */
508 if (vt_kbd_debug)
509 kdb_enter(KDB_WHY_BREAK, "manual escape to debugger");
489 return (1);
510 return (1);
490 case SPCLKEY | RBT:
491 /* XXX: Make this configurable! */
492 shutdown_nice(0);
511 case SPCLKEY | HALT: /* kbdmap(5) keyword `halt`. */
512 if (vt_kbd_halt)
513 shutdown_nice(RB_HALT);
493 return (1);
514 return (1);
494 case SPCLKEY | HALT:
495 shutdown_nice(RB_HALT);
515 case SPCLKEY | PASTE: /* kbdmap(5) keyword `paste`. */
516#ifndef SC_NO_CUTPASTE
517 /* Insert text from cut-paste buffer. */
518 vt_mouse_paste();
519#endif
520 break;
521 case SPCLKEY | PDWN: /* kbdmap(5) keyword `pdwn`. */
522 if (vt_kbd_poweroff)
523 shutdown_nice(RB_HALT|RB_POWEROFF);
496 return (1);
524 return (1);
497 case SPCLKEY | PDWN:
498 shutdown_nice(RB_HALT|RB_POWEROFF);
525 case SPCLKEY | PNC: /* kbdmap(5) keyword `panic`. */
526 /*
527 * Request to immediate panic if sysctl
528 * kern.vt.enable_panic_key allow it.
529 */
530 if (vt_kbd_panic)
531 panic("Forced by the panic key");
499 return (1);
532 return (1);
533 case SPCLKEY | RBT: /* kbdmap(5) keyword `boot`. */
534 if (vt_kbd_reboot)
535 shutdown_nice(RB_AUTOBOOT);
536 return (1);
537 case SPCLKEY | SPSC: /* kbdmap(5) keyword `spsc`. */
538 /* Force activatation/deactivation of the screen saver. */
539 /* TODO */
540 return (1);
541 case SPCLKEY | STBY: /* XXX Not present in kbdcontrol parser. */
542 /* Put machine into Stand-By mode. */
543 power_pm_suspend(POWER_SLEEP_STATE_STANDBY);
544 return (1);
545 case SPCLKEY | SUSP: /* kbdmap(5) keyword `susp`. */
546 /* Suspend machine. */
547 power_pm_suspend(POWER_SLEEP_STATE_SUSPEND);
548 return (1);
500 };
501
502 return (0);
503}
504
505static void
506vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console)
507{

--- 98 unchanged lines hidden (view full) ---

606 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
607 vw = vd->vd_windows[c - F_SCR];
608 if (vw != NULL)
609 vt_proc_window_switch(vw);
610 return (0);
611 }
612
613 switch (c) {
549 };
550
551 return (0);
552}
553
554static void
555vt_scrollmode_kbdevent(struct vt_window *vw, int c, int console)
556{

--- 98 unchanged lines hidden (view full) ---

655 if (c >= F_SCR && c <= MIN(L_SCR, F_SCR + VT_MAXWINDOWS - 1)) {
656 vw = vd->vd_windows[c - F_SCR];
657 if (vw != NULL)
658 vt_proc_window_switch(vw);
659 return (0);
660 }
661
662 switch (c) {
663 case NEXT:
664 /* Switch to next VT. */
665 c = (vw->vw_number + 1) % VT_MAXWINDOWS;
666 vw = vd->vd_windows[c];
667 if (vw != NULL)
668 vt_proc_window_switch(vw);
669 return (0);
670 case PREV:
671 /* Switch to previous VT. */
672 c = (vw->vw_number - 1) % VT_MAXWINDOWS;
673 vw = vd->vd_windows[c];
674 if (vw != NULL)
675 vt_proc_window_switch(vw);
676 return (0);
614 case SLK: {
615
616 kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
617 VT_LOCK(vd);
618 if (state & SLKED) {
619 /* Turn scrolling on. */
620 vw->vw_flags |= VWF_SCROLL;
621 VTBUF_SLCK_ENABLE(&vw->vw_buf);

--- 893 unchanged lines hidden (view full) ---

1515 /* Avoid overflow. */
1516 x = MIN(x, 255 - '!');
1517 y = MIN(y, 255 - '!');
1518
1519 mouseb[3] = ' ' + button;
1520 mouseb[4] = '!' + x;
1521 mouseb[5] = '!' + y;
1522
677 case SLK: {
678
679 kbdd_ioctl(kbd, KDGKBSTATE, (caddr_t)&state);
680 VT_LOCK(vd);
681 if (state & SLKED) {
682 /* Turn scrolling on. */
683 vw->vw_flags |= VWF_SCROLL;
684 VTBUF_SLCK_ENABLE(&vw->vw_buf);

--- 893 unchanged lines hidden (view full) ---

1578 /* Avoid overflow. */
1579 x = MIN(x, 255 - '!');
1580 y = MIN(y, 255 - '!');
1581
1582 mouseb[3] = ' ' + button;
1583 mouseb[4] = '!' + x;
1584 mouseb[5] = '!' + y;
1585
1523 for (i = 0; i < sizeof(mouseb); i++ )
1586 for (i = 0; i < sizeof(mouseb); i++)
1524 terminal_input_char(vw->vw_terminal, mouseb[i]);
1525}
1526
1527static void
1528vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1529 int cnt)
1530{
1531

--- 21 unchanged lines hidden (view full) ---

1553 /* Scroll down. */
1554 sc_mouse_input_button(vd, 65);
1555 }
1556 break;
1557#endif
1558 }
1559}
1560
1587 terminal_input_char(vw->vw_terminal, mouseb[i]);
1588}
1589
1590static void
1591vt_mouse_terminput(struct vt_device *vd, int type, int x, int y, int event,
1592 int cnt)
1593{
1594

--- 21 unchanged lines hidden (view full) ---

1616 /* Scroll down. */
1617 sc_mouse_input_button(vd, 65);
1618 }
1619 break;
1620#endif
1621 }
1622}
1623
1624static void
1625vt_mouse_paste()
1626{
1627 term_char_t *buf;
1628 int i, len;
1629
1630 len = VD_PASTEBUFLEN(main_vd);
1631 buf = VD_PASTEBUF(main_vd);
1632 len /= sizeof(term_char_t);
1633 for (i = 0; i < len; i++) {
1634 if (buf[i] == '\0')
1635 continue;
1636 terminal_input_char(main_vd->vd_curwindow->vw_terminal,
1637 buf[i]);
1638 }
1639}
1640
1561void
1562vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1563{
1564 struct vt_device *vd;
1565 struct vt_window *vw;
1566 struct vt_font *vf;
1567 term_pos_t size;
1641void
1642vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel)
1643{
1644 struct vt_device *vd;
1645 struct vt_window *vw;
1646 struct vt_font *vf;
1647 term_pos_t size;
1568 term_char_t *buf;
1569 int i, len, mark;
1648 int len, mark;
1570
1571 vd = main_vd;
1572 vw = vd->vd_curwindow;
1573 vf = vw->vw_font;
1574 mark = 0;
1575
1576 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
1577 /*

--- 26 unchanged lines hidden (view full) ---

1604 /* Apply limits. */
1605 x = MAX(x, 0);
1606 y = MAX(y, 0);
1607 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1608 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1609
1610 vd->vd_mx = x;
1611 vd->vd_my = y;
1649
1650 vd = main_vd;
1651 vw = vd->vd_curwindow;
1652 vf = vw->vw_font;
1653 mark = 0;
1654
1655 if (vw->vw_flags & (VWF_MOUSE_HIDE | VWF_GRAPHICS))
1656 /*

--- 26 unchanged lines hidden (view full) ---

1683 /* Apply limits. */
1684 x = MAX(x, 0);
1685 y = MAX(y, 0);
1686 x = MIN(x, (size.tp_col * vf->vf_width) - 1);
1687 y = MIN(y, (size.tp_row * vf->vf_height) - 1);
1688
1689 vd->vd_mx = x;
1690 vd->vd_my = y;
1612 if ((vd->vd_mstate & MOUSE_BUTTON1DOWN) &&
1613 (vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1614 vd->vd_mx / vf->vf_width,
1615 vd->vd_my / vf->vf_height) == 1)) {
1691 if (vd->vd_mstate & MOUSE_BUTTON1DOWN)
1692 vtbuf_set_mark(&vw->vw_buf, VTB_MARK_MOVE,
1693 vd->vd_mx / vf->vf_width,
1694 vd->vd_my / vf->vf_height);
1616
1695
1617 /*
1618 * We have something marked to copy, so update pointer
1619 * to window with selection.
1620 */
1621 vd->vd_markedwin = vw;
1622 }
1623
1624 vt_resume_flush_timer(vw->vw_device, 0);
1625 return; /* Done */
1626 case MOUSE_BUTTON_EVENT:
1627 /* Buttons */
1628 break;
1629 default:
1630 return; /* Done */
1631 }

--- 15 unchanged lines hidden (view full) ---

1647 break;
1648 }
1649 break;
1650 case VT_MOUSE_PASTEBUTTON:
1651 switch (cnt) {
1652 case 0: /* up */
1653 break;
1654 default:
1696 vt_resume_flush_timer(vw->vw_device, 0);
1697 return; /* Done */
1698 case MOUSE_BUTTON_EVENT:
1699 /* Buttons */
1700 break;
1701 default:
1702 return; /* Done */
1703 }

--- 15 unchanged lines hidden (view full) ---

1719 break;
1720 }
1721 break;
1722 case VT_MOUSE_PASTEBUTTON:
1723 switch (cnt) {
1724 case 0: /* up */
1725 break;
1726 default:
1655 if (vd->vd_markedwin == NULL)
1656 return;
1657 /* Get current selecton size in bytes. */
1658 len = vtbuf_get_marked_len(&vd->vd_markedwin->vw_buf);
1659 if (len <= 0)
1660 return;
1661
1662 buf = malloc(len, M_VT, M_WAITOK | M_ZERO);
1663 /* Request cupy/paste buffer data, no more than `len' */
1664 vtbuf_extract_marked(&vd->vd_markedwin->vw_buf, buf,
1665 len);
1666
1667 len /= sizeof(term_char_t);
1668 for (i = 0; i < len; i++ ) {
1669 if (buf[i] == '\0')
1670 continue;
1671 terminal_input_char(vw->vw_terminal, buf[i]);
1672 }
1673
1674 /* Done, so cleanup. */
1675 free(buf, M_VT);
1727 vt_mouse_paste();
1676 break;
1677 }
1678 return; /* Done */
1679 case VT_MOUSE_EXTENDBUTTON:
1680 switch (cnt) {
1681 case 0: /* up */
1682 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
1683 mark = VTB_MARK_EXTEND;

--- 16 unchanged lines hidden (view full) ---

1700 vd->vd_mstate &= ~event;
1701
1702 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
1703 vd->vd_my / vf->vf_height) == 1) {
1704 /*
1705 * We have something marked to copy, so update pointer to
1706 * window with selection.
1707 */
1728 break;
1729 }
1730 return; /* Done */
1731 case VT_MOUSE_EXTENDBUTTON:
1732 switch (cnt) {
1733 case 0: /* up */
1734 if (!(vd->vd_mstate & MOUSE_BUTTON1DOWN))
1735 mark = VTB_MARK_EXTEND;

--- 16 unchanged lines hidden (view full) ---

1752 vd->vd_mstate &= ~event;
1753
1754 if (vtbuf_set_mark(&vw->vw_buf, mark, vd->vd_mx / vf->vf_width,
1755 vd->vd_my / vf->vf_height) == 1) {
1756 /*
1757 * We have something marked to copy, so update pointer to
1758 * window with selection.
1759 */
1708 vd->vd_markedwin = vw;
1709 vt_resume_flush_timer(vw->vw_device, 0);
1760 vt_resume_flush_timer(vw->vw_device, 0);
1761
1762 switch (mark) {
1763 case VTB_MARK_END:
1764 case VTB_MARK_WORD:
1765 case VTB_MARK_ROW:
1766 case VTB_MARK_EXTEND:
1767 break;
1768 default:
1769 /* Other types of mark do not require to copy data. */
1770 return;
1771 }
1772
1773 /* Get current selection size in bytes. */
1774 len = vtbuf_get_marked_len(&vw->vw_buf);
1775 if (len <= 0)
1776 return;
1777
1778 /* Reallocate buffer only if old one is too small. */
1779 if (len > VD_PASTEBUFSZ(vd)) {
1780 VD_PASTEBUF(vd) = realloc(VD_PASTEBUF(vd), len, M_VT,
1781 M_WAITOK | M_ZERO);
1782 /* Update buffer size. */
1783 VD_PASTEBUFSZ(vd) = len;
1784 }
1785 /* Request copy/paste buffer data, no more than `len' */
1786 vtbuf_extract_marked(&vw->vw_buf, VD_PASTEBUF(vd),
1787 VD_PASTEBUFSZ(vd));
1788
1789 VD_PASTEBUFLEN(vd) = len;
1790
1791 /* XXX VD_PASTEBUF(vd) have to be freed on shutdown/unload. */
1710 }
1711}
1712
1713void
1714vt_mouse_state(int show)
1715{
1716 struct vt_device *vd;
1717 struct vt_window *vw;

--- 676 unchanged lines hidden --- 		1792 }
1793}
1794
1795void
1796vt_mouse_state(int show)
1797{
1798 struct vt_device *vd;
1799 struct vt_window *vw;

--- 676 unchanged lines hidden ---