2 * Copyright (c) 1994-1996 Søren Schmidt
5 * Portions of this software are based in part on the work of
6 * Sascha Wildner <saw@online.de> contributed to The DragonFly Project
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer,
13 * in this position and unchanged.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * $DragonFly: src/usr.sbin/vidcontrol/vidcontrol.c,v 1.10 2005/03/02 06:08:29 joerg Exp $
35 static const char rcsid[] =
47 #include <sys/consio.h>
48 #include <sys/errno.h>
49 #include <sys/types.h>
55 #define DATASIZE(x) ((x).w * (x).h * 256 / 8)
57 /* Screen dump modes */
58 #define DUMP_FMT_RAW 1
59 #define DUMP_FMT_TXT 2
60 /* Screen dump options */
63 /* Screen dump file format revision */
64 #define DUMP_FMT_REV 1
66 static const char *legal_colors[16] = {
67 "black", "blue", "green", "cyan",
68 "red", "magenta", "brown", "white",
69 "grey", "lightblue", "lightgreen", "lightcyan",
70 "lightred", "lightmagenta", "yellow", "lightwhite"
75 vid_info_t console_info;
76 unsigned char screen_map[256];
77 int video_mode_number;
78 struct video_info video_mode_info;
84 static int font_height;
85 static int colors_changed;
86 static int video_mode_changed;
87 static int normal_fore_color, normal_back_color;
88 static int revers_fore_color, revers_back_color;
89 static struct vid_info info;
90 static struct video_info new_mode_info;
94 * Initialize revert data.
96 * NOTE: the following parameters are not yet saved/restored:
98 * screen saver timeout
100 * mouse character and mouse show/hide state
101 * vty switching on/off state
102 * history buffer size
110 if (ioctl(0, VT_GETACTIVE, &cur_info.active_vty) == -1)
111 errc(1, errno, "getting active vty");
113 cur_info.console_info.size = sizeof(cur_info.console_info);
115 if (ioctl(0, CONS_GETINFO, &cur_info.console_info) == -1)
116 errc(1, errno, "getting console information");
118 if (ioctl(0, GIO_SCRNMAP, &cur_info.screen_map) == -1)
119 errc(1, errno, "getting screen map");
121 if (ioctl(0, CONS_GET, &cur_info.video_mode_number) == -1)
122 errc(1, errno, "getting video mode number");
124 cur_info.video_mode_info.vi_mode = cur_info.video_mode_number;
126 if (ioctl(0, CONS_MODEINFO, &cur_info.video_mode_info) == -1)
127 errc(1, errno, "getting video mode parameters");
129 normal_fore_color = cur_info.console_info.mv_norm.fore;
130 normal_back_color = cur_info.console_info.mv_norm.back;
131 revers_fore_color = cur_info.console_info.mv_rev.fore;
132 revers_back_color = cur_info.console_info.mv_rev.back;
137 * If something goes wrong along the way we call revert() to go back to the
138 * console state we came from (which is assumed to be working).
140 * NOTE: please also read the comments of init().
148 ioctl(0, VT_ACTIVATE, cur_info.active_vty);
150 fprintf(stderr, "\033[=%dA", cur_info.console_info.mv_ovscan);
151 fprintf(stderr, "\033[=%dF", cur_info.console_info.mv_norm.fore);
152 fprintf(stderr, "\033[=%dG", cur_info.console_info.mv_norm.back);
153 fprintf(stderr, "\033[=%dH", cur_info.console_info.mv_rev.fore);
154 fprintf(stderr, "\033[=%dI", cur_info.console_info.mv_rev.back);
156 ioctl(0, PIO_SCRNMAP, &cur_info.screen_map);
158 if (cur_info.video_mode_number >= M_VESA_BASE)
159 ioctl(0, _IO('V', cur_info.video_mode_number - M_VESA_BASE),
162 ioctl(0, _IO('S', cur_info.video_mode_number), NULL);
164 if (cur_info.video_mode_info.vi_flags & V_INFO_GRAPHICS) {
165 size[0] = cur_info.video_mode_info.vi_width / 8;
166 size[1] = cur_info.video_mode_info.vi_height /
167 cur_info.console_info.font_size;
168 size[2] = cur_info.console_info.font_size;
170 ioctl(0, KDRASTER, size);
176 * Print a short usage string describing all options, then exit.
182 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
183 "usage: vidcontrol [-CdHLPpx] [-b color] [-c appearance] [-f [size] file]",
184 " [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]",
185 " [-M char] [-m on | off] [-r foreground background]",
186 " [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]",
187 " [mode] [foreground [background]] [show]");
193 * Retrieve the next argument from the command line (for options that require
194 * more than one argument).
198 nextarg(int ac, char **av, int *indp, int oc, int strict)
201 return(av[(*indp)++]);
205 errx(1, "option requires two arguments -- %c", oc);
213 * Guess which file to open. Try to open each combination of a specified set
214 * of file name components.
218 openguess(const char *a[], const char *b[], const char *c[], const char *d[], char **name)
223 for (i = 0; a[i] != NULL; i++) {
224 for (j = 0; b[j] != NULL; j++) {
225 for (k = 0; c[k] != NULL; k++) {
226 for (l = 0; d[l] != NULL; l++) {
227 asprintf(name, "%s%s%s%s",
228 a[i], b[j], c[k], d[l]);
230 f = fopen(*name, "r");
245 * Load a screenmap from a file and set it.
249 load_scrnmap(const char *filename)
255 const char *a[] = {"", SCRNMAP_PATH, NULL};
256 const char *b[] = {filename, NULL};
257 const char *c[] = {"", ".scm", NULL};
258 const char *d[] = {"", NULL};
260 fd = openguess(a, b, c, d, &name);
264 errx(1, "screenmap file not found");
267 size = sizeof(scrnmap);
269 if (decode(fd, (char *)&scrnmap, size) != size) {
272 if (fread(&scrnmap, 1, size, fd) != (size_t)size) {
273 warnx("bad screenmap file");
276 errx(1, "bad screenmap file");
280 if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) {
282 errc(1, errno, "loading screenmap");
290 * Set the default screenmap.
294 load_default_scrnmap(void)
299 for (i=0; i<256; i++)
300 *((char*)&scrnmap + i) = i;
302 if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) {
304 errc(1, errno, "loading default screenmap");
310 * Print the current screenmap to stdout.
316 unsigned char map[256];
319 if (ioctl(0, GIO_SCRNMAP, &map) == -1) {
321 errc(1, errno, "getting screenmap");
323 for (i=0; i<sizeof(map); i++) {
324 if (i != 0 && i % 16 == 0)
325 fprintf(stdout, "\n");
328 fprintf(stdout, " %02x", map[i]);
330 fprintf(stdout, " %03d", map[i]);
332 fprintf(stdout, "\n");
338 * Determine a file's size.
346 if (fstat(fileno(file), &sb) == 0)
354 * Load a font from file and set it.
358 load_font(const char *type, const char *filename)
362 unsigned long io = 0; /* silence stupid gcc(1) in the Wall mode */
363 char *name, *fontmap, size_sufx[6];
364 const char *a[] = {"", FONT_PATH, NULL};
365 const char *b[] = {filename, NULL};
366 const char *c[] = {"", size_sufx, NULL};
367 const char *d[] = {"", ".fnt", NULL};
374 } sizes[] = {{8, 16, PIO_FONT8x16},
375 {8, 14, PIO_FONT8x14},
379 _info.size = sizeof(_info);
380 if (ioctl(0, CONS_GETINFO, &_info) == -1) {
382 warn("failed to obtain current video mode parameters");
386 snprintf(size_sufx, sizeof(size_sufx), "-8x%d", _info.font_size);
387 fd = openguess(a, b, c, d, &name);
391 errx(1, "%s: can't load font file", filename);
396 if (sscanf(type, "%dx%d", &w, &h) == 2) {
397 for (i = 0; sizes[i].w != 0; i++) {
398 if (sizes[i].w == w && sizes[i].h == h) {
399 size = DATASIZE(sizes[i]);
401 font_height = sizes[i].h;
408 errx(1, "%s: bad font size specification", type);
411 /* Apply heuristics */
416 size = DATASIZE(sizes[0]);
417 fontmap = (char*) malloc(size);
418 dsize[0] = decode(fd, fontmap, size);
419 dsize[1] = fsize(fd);
423 for (j = 0; j < 2; j++) {
424 for (i = 0; sizes[i].w != 0; i++) {
425 if (DATASIZE(sizes[i]) == dsize[j]) {
428 font_height = sizes[i].h;
438 errx(1, "%s: can't guess font size", filename);
444 fontmap = (char*) malloc(size);
446 if (decode(fd, fontmap, size) != size) {
448 if (fsize(fd) != size ||
449 fread(fontmap, 1, size, fd) != (size_t)size) {
450 warnx("%s: bad font file", filename);
454 errx(1, "%s: bad font file", filename);
458 if (ioctl(0, io, fontmap) == -1) {
460 errc(1, errno, "loading font");
469 * Set the timeout for the screensaver.
473 set_screensaver_timeout(char *arg)
477 if (!strcmp(arg, "off")) {
482 if ((*arg == '\0') || (nsec < 1)) {
484 errx(1, "argument must be a positive number");
488 if (ioctl(0, CONS_BLANKTIME, &nsec) == -1) {
490 errc(1, errno, "setting screensaver period");
496 * Set the cursor's shape/type.
500 set_cursor_type(char *appearance)
504 if (!strcmp(appearance, "normal"))
506 else if (!strcmp(appearance, "blink"))
508 else if (!strcmp(appearance, "destructive"))
512 errx(1, "argument to -c must be normal, blink or destructive");
515 if (ioctl(0, CONS_CURSORTYPE, &type) == -1) {
517 errc(1, errno, "setting cursor type");
523 * Set the video mode.
527 video_mode(int argc, char **argv, int *mode_index)
532 unsigned long mode_num;
534 { "80x25", SW_TEXT_80x25, M_TEXT_80x25 },
535 { "80x30", SW_TEXT_80x30, M_TEXT_80x30 },
536 { "80x43", SW_TEXT_80x43, M_TEXT_80x43 },
537 { "80x50", SW_TEXT_80x50, M_TEXT_80x50 },
538 { "80x60", SW_TEXT_80x60, M_TEXT_80x60 },
539 { "132x25", SW_TEXT_132x25, M_TEXT_132x25 },
540 { "132x30", SW_TEXT_132x30, M_TEXT_132x30 },
541 { "132x43", SW_TEXT_132x43, M_TEXT_132x43 },
542 { "132x50", SW_TEXT_132x50, M_TEXT_132x50 },
543 { "132x60", SW_TEXT_132x60, M_TEXT_132x60 },
544 { "VGA_40x25", SW_VGA_C40x25, M_VGA_C40x25 },
545 { "VGA_80x25", SW_VGA_C80x25, M_VGA_C80x25 },
546 { "VGA_80x30", SW_VGA_C80x30, M_VGA_C80x30 },
547 { "VGA_80x50", SW_VGA_C80x50, M_VGA_C80x50 },
548 { "VGA_80x60", SW_VGA_C80x60, M_VGA_C80x60 },
550 { "VGA_90x25", SW_VGA_C90x25, M_VGA_C90x25 },
551 { "VGA_90x30", SW_VGA_C90x30, M_VGA_C90x30 },
552 { "VGA_90x43", SW_VGA_C90x43, M_VGA_C90x43 },
553 { "VGA_90x50", SW_VGA_C90x50, M_VGA_C90x50 },
554 { "VGA_90x60", SW_VGA_C90x60, M_VGA_C90x60 },
556 { "VGA_320x200", SW_VGA_CG320, M_CG320 },
557 { "EGA_80x25", SW_ENH_C80x25, M_ENH_C80x25 },
558 { "EGA_80x43", SW_ENH_C80x43, M_ENH_C80x43 },
559 { "VESA_132x25", SW_VESA_C132x25,M_VESA_C132x25 },
560 { "VESA_132x43", SW_VESA_C132x43,M_VESA_C132x43 },
561 { "VESA_132x50", SW_VESA_C132x50,M_VESA_C132x50 },
562 { "VESA_132x60", SW_VESA_C132x60,M_VESA_C132x60 },
563 { "VESA_800x600", SW_VESA_800x600,M_VESA_800x600 },
567 int new_mode_num = 0;
568 unsigned long mode = 0;
574 if (ioctl(0, CONS_GET, &cur_mode) < 0)
575 err(1, "cannot get the current video mode");
578 * Parse the video mode argument...
581 if (*mode_index < argc) {
582 if (!strncmp(argv[*mode_index], "MODE_", 5)) {
583 if (!isdigit(argv[*mode_index][5]))
584 errx(1, "invalid video mode number");
586 new_mode_num = atoi(&argv[*mode_index][5]);
588 for (i = 0; modes[i].name != NULL; ++i) {
589 if (!strcmp(argv[*mode_index], modes[i].name)) {
590 mode = modes[i].mode;
591 new_mode_num = modes[i].mode_num;
596 if (modes[i].name == NULL)
598 if (ioctl(0, mode, NULL) < 0) {
599 warn("cannot set videomode");
605 * Collect enough information about the new video mode...
608 new_mode_info.vi_mode = new_mode_num;
610 if (ioctl(0, CONS_MODEINFO, &new_mode_info) == -1) {
612 errc(1, errno, "obtaining new video mode parameters");
616 if (new_mode_num >= M_VESA_BASE)
617 mode = _IO('V', new_mode_num - M_VESA_BASE);
619 mode = _IO('S', new_mode_num);
623 * Try setting the new mode.
626 if (ioctl(0, mode, NULL) == -1) {
628 errc(1, errno, "setting video mode");
632 * For raster modes it's not enough to just set the mode.
633 * We also need to explicitly set the raster mode.
636 if (new_mode_info.vi_flags & V_INFO_GRAPHICS) {
639 if (font_height == 0)
640 font_height = cur_info.console_info.font_size;
642 size[2] = font_height;
646 if ((vesa_cols * 8 > new_mode_info.vi_width) ||
648 size[0] = new_mode_info.vi_width / 8;
655 if ((vesa_rows * font_height > new_mode_info.vi_height) ||
657 size[1] = new_mode_info.vi_height /
663 /* set raster mode */
665 if (ioctl(0, KDRASTER, size)) {
667 if (cur_mode >= M_VESA_BASE)
669 _IO('V', cur_mode - M_VESA_BASE),
672 ioctl(0, _IO('S', cur_mode), NULL);
674 warnc(ioerr, "cannot activate raster display");
679 video_mode_changed = 1;
688 * Return the number for a specified color name.
692 get_color_number(char *color)
696 for (i=0; i<16; i++) {
697 if (!strcmp(color, legal_colors[i]))
705 * Get normal text and background colors.
709 get_normal_colors(int argc, char **argv, int *_index)
713 if (*_index < argc && (color = get_color_number(argv[*_index])) != -1) {
715 fprintf(stderr, "\033[=%dF", color);
716 normal_fore_color=color;
719 && (color = get_color_number(argv[*_index])) != -1
722 fprintf(stderr, "\033[=%dG", color);
723 normal_back_color=color;
730 * Get reverse text and background colors.
734 get_reverse_colors(int argc, char **argv, int *_index)
738 if ((color = get_color_number(argv[*(_index)-1])) != -1) {
739 fprintf(stderr, "\033[=%dH", color);
740 revers_fore_color=color;
743 && (color = get_color_number(argv[*_index])) != -1
746 fprintf(stderr, "\033[=%dI", color);
747 revers_back_color=color;
754 * Set normal and reverse foreground and background colors.
760 fprintf(stderr, "\033[=%dF", normal_fore_color);
761 fprintf(stderr, "\033[=%dG", normal_back_color);
762 fprintf(stderr, "\033[=%dH", revers_fore_color);
763 fprintf(stderr, "\033[=%dI", revers_back_color);
768 * Switch to virtual terminal #arg.
772 set_console(char *arg)
776 if(!arg || strspn(arg,"0123456789") != strlen(arg)) {
778 errx(1, "bad console number");
783 if (n < 1 || n > 16) {
785 errx(1, "console number out of range");
786 } else if (ioctl(0, VT_ACTIVATE, n) == -1) {
788 errc(1, errno, "switching vty");
794 * Sets the border color.
798 set_border_color(char *arg)
802 if ((color = get_color_number(arg)) != -1) {
803 fprintf(stderr, "\033[=%dA", color);
810 set_mouse_char(char *arg)
812 struct mouse_info mouse;
815 l = strtol(arg, NULL, 0);
817 if ((l < 0) || (l > UCHAR_MAX - 3)) {
819 warnx("argument to -M must be 0 through %d", UCHAR_MAX - 3);
823 mouse.operation = MOUSE_MOUSECHAR;
824 mouse.u.mouse_char = (int)l;
826 if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) {
828 errc(1, errno, "setting mouse character");
834 * Show/hide the mouse.
840 struct mouse_info mouse;
842 if (!strcmp(arg, "on")) {
843 mouse.operation = MOUSE_SHOW;
844 } else if (!strcmp(arg, "off")) {
845 mouse.operation = MOUSE_HIDE;
848 errx(1, "argument to -m must be either on or off");
851 if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) {
853 errc(1, errno, "%sing the mouse",
854 mouse.operation == MOUSE_SHOW ? "show" : "hid");
860 set_lockswitch(char *arg)
864 if (!strcmp(arg, "off")) {
866 } else if (!strcmp(arg, "on")) {
870 errx(1, "argument to -S must be either on or off");
873 if (ioctl(0, VT_LOCKSWITCH, &data) == -1) {
875 errc(1, errno, "turning %s vty switching",
876 data == 0x01 ? "off" : "on");
882 * Return the adapter name for a specified type.
886 *adapter_name(int type)
893 { KD_HERCULES, "Hercules" },
897 { KD_PC98, "PC-98xx" },
904 for (i = 0; names[i].type != -1; ++i)
905 if (names[i].type == type)
907 return names[i].name;
912 * Show graphics adapter information.
916 show_adapter_info(void)
918 struct video_adapter_info ad;
922 if (ioctl(0, CONS_ADPINFO, &ad) == -1) {
924 errc(1, errno, "obtaining adapter information");
927 printf("fb%d:\n", ad.va_index);
928 printf(" %.*s%d, type:%s%s (%d), flags:0x%x\n",
929 (int)sizeof(ad.va_name), ad.va_name, ad.va_unit,
930 (ad.va_flags & V_ADP_VESA) ? "VESA " : "",
931 adapter_name(ad.va_type), ad.va_type, ad.va_flags);
932 printf(" initial mode:%d, current mode:%d, BIOS mode:%d\n",
933 ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode);
934 printf(" frame buffer window:0x%zx, buffer size:0x%zx\n",
935 ad.va_window, ad.va_buffer_size);
936 printf(" window size:0x%zx, origin:0x%x\n",
937 ad.va_window_size, ad.va_window_orig);
938 printf(" display start address (%d, %d), scan line width:%d\n",
939 ad.va_disp_start.x, ad.va_disp_start.y, ad.va_line_width);
940 printf(" reserved:0x%zx\n", ad.va_unused0);
945 * Show video mode information.
952 struct video_info _info;
957 printf(" mode# flags type size "
958 "font window linear buffer\n");
959 printf("---------------------------------------"
960 "---------------------------------------\n");
962 for (mode = 0; mode <= M_VESA_MODE_MAX; ++mode) {
963 _info.vi_mode = mode;
964 if (ioctl(0, CONS_MODEINFO, &_info))
966 if (_info.vi_mode != mode)
969 printf("%3d (0x%03x)", mode, mode);
970 printf(" 0x%08x", _info.vi_flags);
971 if (_info.vi_flags & V_INFO_GRAPHICS) {
974 if (_info.vi_mem_model == V_INFO_MM_PLANAR)
975 snprintf(buf, sizeof(buf), "%dx%dx%d %d",
976 _info.vi_width, _info.vi_height,
977 _info.vi_depth, _info.vi_planes);
979 switch (_info.vi_mem_model) {
980 case V_INFO_MM_PACKED:
983 case V_INFO_MM_DIRECT:
999 snprintf(buf, sizeof(buf), "%dx%dx%d %c",
1000 _info.vi_width, _info.vi_height,
1001 _info.vi_depth, mm);
1006 snprintf(buf, sizeof(buf), "%dx%d",
1007 _info.vi_width, _info.vi_height);
1010 printf(" %c %-15s", c, buf);
1011 snprintf(buf, sizeof(buf), "%dx%d",
1012 _info.vi_cwidth, _info.vi_cheight);
1013 printf(" %-5s", buf);
1014 printf(" 0x%05zx %2dk %2dk",
1015 _info.vi_window, (int)_info.vi_window_size/1024,
1016 (int)_info.vi_window_gran/1024);
1017 printf(" 0x%08zx %dk\n",
1018 _info.vi_buffer, (int)_info.vi_buffer_size/1024);
1024 show_info(char *arg)
1026 if (!strcmp(arg, "adapter")) {
1027 show_adapter_info();
1028 } else if (!strcmp(arg, "mode")) {
1032 errx(1, "argument to -i must be either adapter or mode");
1040 int i, cur_mode, fore;
1044 if (ioctl(0, CONS_GET, &cur_mode) < 0)
1045 err(1, "must be on a virtual console");
1053 fprintf(stdout, "\033[=0G\n\n");
1054 for (i=0; i<8; i++) {
1055 fprintf(stdout, "\033[=%dF\033[=0G %2d \033[=%dF%-16s"
1056 "\033[=%dF\033[=0G %2d \033[=%dF%-16s "
1057 "\033[=%dF %2d \033[=%dGBACKGROUND\033[=0G\n",
1058 fore, i, i, legal_colors[i],
1059 fore, i+8, i+8, legal_colors[i+8],
1062 fprintf(stdout, "\033[=%dF\033[=%dG\033[=%dH\033[=%dI\n",
1063 info.mv_norm.fore, info.mv_norm.back,
1064 info.mv_rev.fore, info.mv_rev.back);
1069 * Snapshot the video memory of that terminal, using the CONS_SCRSHOT
1070 * ioctl, and writes the results to stdout either in the special
1071 * binary format (see manual page for details), or in the plain
1076 dump_screen(int mode, int opt)
1081 _info.size = sizeof(_info);
1083 if (ioctl(0, CONS_GETINFO, &_info) == -1) {
1085 errc(1, errno, "obtaining current video mode parameters");
1089 shot.x = shot.y = 0;
1090 shot.xsize = _info.mv_csz;
1091 shot.ysize = _info.mv_rsz;
1092 if (opt == DUMP_ALL)
1093 shot.ysize += _info.mv_hsz;
1095 shot.buf = alloca(shot.xsize * shot.ysize * sizeof(u_int16_t));
1096 if (shot.buf == NULL) {
1098 errx(1, "failed to allocate memory for dump");
1101 if (ioctl(0, CONS_SCRSHOT, &shot) == -1) {
1103 errc(1, errno, "dumping screen");
1106 if (mode == DUMP_FMT_RAW) {
1107 printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2,
1108 shot.xsize, shot.ysize);
1112 write(STDOUT_FILENO, shot.buf,
1113 shot.xsize * shot.ysize * sizeof(u_int16_t));
1119 line = alloca(shot.xsize + 1);
1123 errx(1, "failed to allocate memory for line buffer");
1126 for (y = 0; y < shot.ysize; y++) {
1127 for (x = 0; x < shot.xsize; x++) {
1128 ch = shot.buf[x + (y * shot.xsize)];
1131 if (isprint(ch) == 0)
1137 /* Trim trailing spaces */
1141 } while (line[x] == ' ' && x != 0);
1152 * Set the console history buffer size.
1156 set_history(char *opt)
1162 if ((*opt == '\0') || size < 0) {
1164 errx(1, "argument must be a positive number");
1167 if (ioctl(0, CONS_HISTORY, &size) == -1) {
1169 errc(1, errno, "setting history buffer size");
1175 * Clear the console history buffer.
1181 if (ioctl(0, CONS_CLRHIST) == -1) {
1183 errc(1, errno, "clearing history buffer");
1188 set_terminal_mode(char *arg)
1191 if (strcmp(arg, "xterm") == 0)
1192 fprintf(stderr, "\033[=T");
1193 else if (strcmp(arg, "cons25") == 0)
1194 fprintf(stderr, "\033[=1T");
1199 main(int argc, char **argv)
1201 char *font, *type, *termmode;
1202 int dumpmod, dumpopt, opt;
1207 info.size = sizeof(info);
1209 if (ioctl(0, CONS_GETINFO, &info) == -1)
1210 err(1, "must be on a virtual console");
1214 while ((opt = getopt(argc, argv,
1215 "b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:T:t:x")) != -1)
1218 set_border_color(optarg);
1224 set_cursor_type(optarg);
1231 font = nextarg(argc, argv, &optind, 'f', 0);
1238 load_font(type, font);
1241 if (sscanf(optarg, "%dx%d",
1242 &vesa_cols, &vesa_rows) != 2) {
1244 warnx("incorrect geometry: %s", optarg);
1249 set_history(optarg);
1258 load_scrnmap(optarg);
1261 load_default_scrnmap();
1264 set_mouse_char(optarg);
1270 dumpmod = DUMP_FMT_RAW;
1273 dumpmod = DUMP_FMT_TXT;
1276 get_reverse_colors(argc, argv, &optind);
1279 set_lockswitch(optarg);
1282 set_console(optarg);
1285 if (strcmp(optarg, "xterm") != 0 &&
1286 strcmp(optarg, "cons25") != 0)
1291 set_screensaver_timeout(optarg);
1301 dump_screen(dumpmod, dumpopt);
1302 reterr = video_mode(argc, argv, &optind);
1303 get_normal_colors(argc, argv, &optind);
1305 if (optind < argc && !strcmp(argv[optind], "show")) {
1310 video_mode(argc, argv, &optind);
1311 if (termmode != NULL)
1312 set_terminal_mode(termmode);
1314 get_normal_colors(argc, argv, &optind);
1316 if (colors_changed || video_mode_changed) {
1317 if (!(new_mode_info.vi_flags & V_INFO_GRAPHICS)) {
1318 if ((normal_back_color < 8) && (revers_back_color < 8)) {
1322 errx(1, "bg color for text modes must be < 8");
1329 if ((optind != argc) || (argc == 1))