vidcontrol.c revision 99707 
1/*-
2 * Copyright (c) 1994-1996 S�ren Schmidt
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 *    notice, this list of conditions and the following disclaimer,
10 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef lint
30static const char rcsid[] =
31  "$FreeBSD: head/usr.sbin/vidcontrol/vidcontrol.c 99707 2002-07-10 03:39:52Z dd $";
32#endif /* not lint */
33
34#include <ctype.h>
35#include <err.h>
36#include <limits.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <unistd.h>
41#include <sys/fbio.h>
42#include <sys/consio.h>
43#include <sys/errno.h>
44#include <sys/types.h>
45#include <sys/stat.h>
46#include "path.h"
47#include "decode.h"
48
49#define _VESA_800x600_DFL_COLS 80
50#define _VESA_800x600_DFL_ROWS 25
51#define _VESA_800x600_DFL_FNSZ 16
52
53#define DUMP_RAW	0
54#define DUMP_TXT	1
55
56#define DUMP_FMT_REV	1
57
58char 	legal_colors[16][16] = {
59	"black", "blue", "green", "cyan",
60	"red", "magenta", "brown", "white",
61	"grey", "lightblue", "lightgreen", "lightcyan",
62	"lightred", "lightmagenta", "yellow", "lightwhite"
63};
64int 	hex = 0;
65int 	number;
66int	vesa_cols = _VESA_800x600_DFL_COLS;
67int	vesa_rows = _VESA_800x600_DFL_ROWS;
68char 	letter;
69struct 	vid_info info;
70
71
72static void
73usage()
74{
75	fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
76"usage: vidcontrol [-CdLPpx] [-b color] [-c appearance] [-f [size] file]",
77"                  [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]",
78"                  [-M char] [-m on | off] [-r foreground background]",
79"                  [-S on | off] [-s number] [-t N | off] [mode]",
80"                  [foreground [background]] [show]");
81	exit(1);
82}
83
84char *
85nextarg(int ac, char **av, int *indp, int oc, int strict)
86{
87	if (*indp < ac)
88		return(av[(*indp)++]);
89	if (strict != 0)
90		errx(1, "option requires two arguments -- %c", oc);
91	return(NULL);
92}
93
94FILE *
95openguess(char *a[], char *b[], char *c[], char *d[], char **name)
96{
97	FILE *f;
98	int i, j, k, l;
99
100	for (i = 0; a[i] != NULL; i++) {
101		for (j = 0; b[j] != NULL; j++) {
102			for (k = 0; c[k] != NULL; k++) {
103				for (l = 0; d[l] != NULL; l++) {
104					asprintf(name, "%s%s%s%s", a[i], b[j],
105					    c[k], d[l]);
106					f = fopen(*name, "r");
107					if (f != NULL)
108						return (f);
109					free(*name);
110				}
111			}
112		}
113	}
114	return (NULL);
115}
116
117void
118load_scrnmap(char *filename)
119{
120	FILE *fd;
121	int size;
122	char *name;
123	scrmap_t scrnmap;
124	char *a[] = {"", SCRNMAP_PATH, NULL};
125	char *b[] = {filename, NULL};
126	char *c[] = {"", ".scm", NULL};
127	char *d[] = {"", NULL};
128
129	fd = openguess(a, b, c, d, &name);
130	if (fd == NULL) {
131		warn("screenmap file not found");
132		return;
133	}
134	size = sizeof(scrnmap);
135	if (decode(fd, (char *)&scrnmap, size) != size) {
136		rewind(fd);
137		if (fread(&scrnmap, 1, size, fd) != size) {
138			warnx("bad screenmap file");
139			fclose(fd);
140			return;
141		}
142	}
143	if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
144		warn("can't load screenmap");
145	fclose(fd);
146}
147
148void
149load_default_scrnmap()
150{
151	scrmap_t scrnmap;
152	int i;
153
154	for (i=0; i<256; i++)
155		*((char*)&scrnmap + i) = i;
156	if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
157		warn("can't load default screenmap");
158}
159
160void
161print_scrnmap()
162{
163	unsigned char map[256];
164	int i;
165
166	if (ioctl(0, GIO_SCRNMAP, &map) < 0) {
167		warn("getting screenmap");
168		return;
169	}
170	for (i=0; i<sizeof(map); i++) {
171		if (i > 0 && i % 16 == 0)
172			fprintf(stdout, "\n");
173		if (hex)
174			fprintf(stdout, " %02x", map[i]);
175		else
176			fprintf(stdout, " %03d", map[i]);
177	}
178	fprintf(stdout, "\n");
179
180}
181
182int
183fsize(FILE *file)
184{
185	struct stat sb;
186
187	if (fstat(fileno(file), &sb) == 0)
188		return sb.st_size;
189	else
190		return -1;
191}
192
193#define DATASIZE(x) ((x).w * (x).h * 256 / 8)
194
195void
196load_font(char *type, char *filename)
197{
198	FILE	*fd;
199	int	h, i, size, w;
200	unsigned long io = 0;	/* silence stupid gcc(1) in the Wall mode */
201	char	*name, *fontmap, size_sufx[6];
202	char	*a[] = {"", FONT_PATH, NULL};
203	char	*b[] = {filename, NULL};
204	char	*c[] = {"", size_sufx, NULL};
205	char	*d[] = {"", ".fnt", NULL};
206	vid_info_t info;
207
208	struct sizeinfo {
209		int w;
210		int h;
211		unsigned long io;
212	} sizes[] = {{8, 16, PIO_FONT8x16},
213		     {8, 14, PIO_FONT8x14},
214		     {8,  8,  PIO_FONT8x8},
215		     {0,  0,            0}};
216
217	info.size = sizeof(info);
218	if (ioctl(0, CONS_GETINFO, &info) == -1) {
219		warn("failed to obtain current video mode parameters");
220		return;
221	}
222	snprintf(size_sufx, sizeof(size_sufx), "-8x%d", info.font_size);
223	fd = openguess(a, b, c, d, &name);
224	if (fd == NULL) {
225		warn("%s: can't load font file", filename);
226		return;
227	}
228	if (type != NULL) {
229		size = 0;
230		if (sscanf(type, "%dx%d", &w, &h) == 2)
231			for (i = 0; sizes[i].w != 0; i++)
232				if (sizes[i].w == w && sizes[i].h == h) {
233					size = DATASIZE(sizes[i]);
234					io = sizes[i].io;
235				}
236
237		if (size == 0) {
238			warnx("%s: bad font size specification", type);
239			fclose(fd);
240			return;
241		}
242	} else {
243		/* Apply heuristics */
244		int j;
245		int dsize[2];
246
247		size = DATASIZE(sizes[0]);
248		fontmap = (char*) malloc(size);
249		dsize[0] = decode(fd, fontmap, size);
250		dsize[1] = fsize(fd);
251		free(fontmap);
252
253		size = 0;
254		for (j = 0; j < 2; j++)
255			for (i = 0; sizes[i].w != 0; i++)
256				if (DATASIZE(sizes[i]) == dsize[j]) {
257					size = dsize[j];
258					io = sizes[i].io;
259					j = 2;	/* XXX */
260					break;
261				}
262
263		if (size == 0) {
264			warnx("%s: can't guess font size", filename);
265			fclose(fd);
266			return;
267		}
268		rewind(fd);
269	}
270
271	fontmap = (char*) malloc(size);
272	if (decode(fd, fontmap, size) != size) {
273		rewind(fd);
274		if (fsize(fd) != size || fread(fontmap, 1, size, fd) != size) {
275			warnx("%s: bad font file", filename);
276			fclose(fd);
277			free(fontmap);
278			return;
279		}
280	}
281	if (ioctl(0, io, fontmap) < 0)
282		warn("can't load font");
283	fclose(fd);
284	free(fontmap);
285}
286
287void
288set_screensaver_timeout(char *arg)
289{
290	int nsec;
291
292	if (!strcmp(arg, "off"))
293		nsec = 0;
294	else {
295		nsec = atoi(arg);
296		if ((*arg == '\0') || (nsec < 1)) {
297			warnx("argument must be a positive number");
298			return;
299		}
300	}
301	if (ioctl(0, CONS_BLANKTIME, &nsec) == -1)
302		warn("setting screensaver period");
303}
304
305void
306set_cursor_type(char *appearence)
307{
308	int type;
309
310	if (!strcmp(appearence, "normal"))
311		type = 0;
312	else if (!strcmp(appearence, "blink"))
313		type = 1;
314	else if (!strcmp(appearence, "destructive"))
315		type = 3;
316	else {
317		warnx("argument to -c must be normal, blink or destructive");
318		return;
319	}
320	ioctl(0, CONS_CURSORTYPE, &type);
321}
322
323void
324video_mode(int argc, char **argv, int *index)
325{
326	static struct {
327		char *name;
328		unsigned long mode;
329	} modes[] = {
330		{ "80x25",		SW_TEXT_80x25 },
331		{ "80x30",		SW_TEXT_80x30 },
332		{ "80x43",		SW_TEXT_80x43 },
333		{ "80x50",		SW_TEXT_80x50 },
334		{ "80x60",		SW_TEXT_80x60 },
335		{ "132x25",		SW_TEXT_132x25 },
336		{ "132x30",		SW_TEXT_132x30 },
337		{ "132x43",		SW_TEXT_132x43 },
338		{ "132x50",		SW_TEXT_132x50 },
339		{ "132x60",		SW_TEXT_132x60 },
340		{ "VGA_40x25",		SW_VGA_C40x25 },
341		{ "VGA_80x25",		SW_VGA_C80x25 },
342		{ "VGA_80x30",		SW_VGA_C80x30 },
343		{ "VGA_80x50",		SW_VGA_C80x50 },
344		{ "VGA_80x60",		SW_VGA_C80x60 },
345#ifdef SW_VGA_C90x25
346		{ "VGA_90x25",		SW_VGA_C90x25 },
347		{ "VGA_90x30",		SW_VGA_C90x30 },
348		{ "VGA_90x43",		SW_VGA_C90x43 },
349		{ "VGA_90x50",		SW_VGA_C90x50 },
350		{ "VGA_90x60",		SW_VGA_C90x60 },
351#endif
352		{ "VGA_320x200",	SW_VGA_CG320 },
353		{ "EGA_80x25",		SW_ENH_C80x25 },
354		{ "EGA_80x43",		SW_ENH_C80x43 },
355		{ "VESA_132x25",	SW_VESA_C132x25 },
356		{ "VESA_132x43",	SW_VESA_C132x43 },
357		{ "VESA_132x50",	SW_VESA_C132x50 },
358		{ "VESA_132x60",	SW_VESA_C132x60 },
359		{ "VESA_800x600",	SW_VESA_800x600 },
360		{ NULL },
361	};
362	unsigned long mode = 0;
363	int cur_mode;
364	int ioerr;
365	int size[3];
366	int i;
367
368	if (ioctl(0, CONS_GET, &cur_mode) < 0)
369		err(1, "cannot get the current video mode");
370	if (*index < argc) {
371		for (i = 0; modes[i].name != NULL; ++i) {
372			if (!strcmp(argv[*index], modes[i].name)) {
373				mode = modes[i].mode;
374				break;
375			}
376		}
377		if (modes[i].name == NULL)
378			return;
379		if (ioctl(0, mode, NULL) < 0)
380			warn("cannot set videomode");
381		if (mode == SW_VESA_800x600) {
382			/* columns */
383			if ((vesa_cols * 8 > 800) || (vesa_cols <= 0)) {
384				warnx("incorrect number of columns: %d",
385				      vesa_cols);
386				size[0] = _VESA_800x600_DFL_COLS;
387			} else {
388				size[0] = vesa_cols;
389			}
390			/* rows */
391			if ((vesa_rows * _VESA_800x600_DFL_FNSZ > 600) ||
392			    (vesa_rows <=0)) {
393				warnx("incorrect number of rows: %d",
394				      vesa_rows);
395				size[1] = _VESA_800x600_DFL_ROWS;
396			} else {
397				size[1] = vesa_rows;
398			}
399			/* font size */
400			size[2] = _VESA_800x600_DFL_FNSZ;
401			if (ioctl(0, KDRASTER, size)) {
402				ioerr = errno;
403				if (cur_mode >= M_VESA_BASE)
404					ioctl(0,
405					    _IO('V', cur_mode - M_VESA_BASE),
406					    NULL);
407				else
408					ioctl(0, _IO('S', cur_mode), NULL);
409				warnc(ioerr, "cannot activate raster display");
410			}
411		}
412		(*index)++;
413	}
414	return;
415}
416
417int
418get_color_number(char *color)
419{
420	int i;
421
422	for (i=0; i<16; i++)
423		if (!strcmp(color, legal_colors[i]))
424			return i;
425	return -1;
426}
427
428void
429set_normal_colors(int argc, char **argv, int *index)
430{
431	int color;
432
433	if (*index < argc && (color = get_color_number(argv[*index])) != -1) {
434		(*index)++;
435		fprintf(stderr, "[=%dF", color);
436		if (*index < argc
437		    && (color = get_color_number(argv[*index])) != -1
438		    && color < 8) {
439			(*index)++;
440			fprintf(stderr, "[=%dG", color);
441		}
442	}
443}
444
445void
446set_reverse_colors(int argc, char **argv, int *index)
447{
448	int color;
449
450	if ((color = get_color_number(argv[*(index)-1])) != -1) {
451		fprintf(stderr, "[=%dH", color);
452		if (*index < argc
453		    && (color = get_color_number(argv[*index])) != -1
454		    && color < 8) {
455			(*index)++;
456			fprintf(stderr, "[=%dI", color);
457		}
458	}
459}
460
461void
462set_console(char *arg)
463{
464	int n;
465
466	if( !arg || strspn(arg,"0123456789") != strlen(arg)) {
467		warnx("bad console number");
468		return;
469	}
470
471	n = atoi(arg);
472	if (n < 1 || n > 16) {
473		warnx("console number out of range");
474	} else if (ioctl(0, VT_ACTIVATE, (caddr_t) (long) n) == -1)
475		warn("ioctl(VT_ACTIVATE)");
476}
477
478void
479set_border_color(char *arg)
480{
481	int color;
482
483	if ((color = get_color_number(arg)) != -1) {
484		fprintf(stderr, "[=%dA", color);
485	}
486	else
487		usage();
488}
489
490void
491set_mouse_char(char *arg)
492{
493	struct mouse_info mouse;
494	long l;
495
496	l = strtol(arg, NULL, 0);
497	if ((l < 0) || (l > UCHAR_MAX - 3)) {
498		warnx("argument to -M must be 0 through %d", UCHAR_MAX - 3);
499		return;
500	}
501	mouse.operation = MOUSE_MOUSECHAR;
502	mouse.u.mouse_char = (int)l;
503	ioctl(0, CONS_MOUSECTL, &mouse);
504}
505
506void
507set_mouse(char *arg)
508{
509	struct mouse_info mouse;
510
511	if (!strcmp(arg, "on"))
512		mouse.operation = MOUSE_SHOW;
513	else if (!strcmp(arg, "off"))
514		mouse.operation = MOUSE_HIDE;
515	else {
516		warnx("argument to -m must be either on or off");
517		return;
518	}
519	ioctl(0, CONS_MOUSECTL, &mouse);
520}
521
522void
523set_lockswitch(char *arg)
524{
525	int data;
526
527	if (!strcmp(arg, "off"))
528		data = 0x01;
529	else if (!strcmp(arg, "on"))
530		data = 0x02;
531	else {
532		warnx("argument to -S must be either on or off");
533		return;
534	}
535	if (ioctl(0, VT_LOCKSWITCH, &data) == -1)
536		warn("ioctl(VT_LOCKSWITCH)");
537}
538
539static char
540*adapter_name(int type)
541{
542    static struct {
543	int type;
544	char *name;
545    } names[] = {
546	{ KD_MONO,	"MDA" },
547	{ KD_HERCULES,	"Hercules" },
548	{ KD_CGA,	"CGA" },
549	{ KD_EGA,	"EGA" },
550	{ KD_VGA,	"VGA" },
551	{ KD_PC98,	"PC-98xx" },
552	{ KD_TGA,	"TGA" },
553	{ -1,		"Unknown" },
554    };
555    int i;
556
557    for (i = 0; names[i].type != -1; ++i)
558	if (names[i].type == type)
559	    break;
560    return names[i].name;
561}
562
563void
564show_adapter_info(void)
565{
566	struct video_adapter_info ad;
567
568	ad.va_index = 0;
569	if (ioctl(0, CONS_ADPINFO, &ad)) {
570		warn("failed to obtain adapter information");
571		return;
572	}
573
574	printf("fb%d:\n", ad.va_index);
575	printf("    %.*s%d, type:%s%s (%d), flags:0x%x\n",
576	       (int)sizeof(ad.va_name), ad.va_name, ad.va_unit,
577	       (ad.va_flags & V_ADP_VESA) ? "VESA " : "",
578	       adapter_name(ad.va_type), ad.va_type, ad.va_flags);
579	printf("    initial mode:%d, current mode:%d, BIOS mode:%d\n",
580	       ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode);
581	printf("    frame buffer window:0x%x, buffer size:0x%x\n",
582	       ad.va_window, ad.va_buffer_size);
583	printf("    window size:0x%x, origin:0x%x\n",
584	       ad.va_window_size, ad.va_window_orig);
585	printf("    display start address (%d, %d), scan line width:%d\n",
586	       ad.va_disp_start.x, ad.va_disp_start.y, ad.va_line_width);
587	printf("    reserved:0x%x\n", ad.va_unused0);
588}
589
590void
591show_mode_info(void)
592{
593	struct video_info info;
594	char buf[80];
595	int mode;
596	int c;
597
598	printf("    mode#     flags   type    size       "
599	       "font      window      linear buffer\n");
600	printf("---------------------------------------"
601	       "---------------------------------------\n");
602	for (mode = 0; mode < M_VESA_MODE_MAX; ++mode) {
603		info.vi_mode = mode;
604		if (ioctl(0, CONS_MODEINFO, &info))
605			continue;
606		if (info.vi_mode != mode)
607			continue;
608
609		printf("%3d (0x%03x)", mode, mode);
610    		printf(" 0x%08x", info.vi_flags);
611		if (info.vi_flags & V_INFO_GRAPHICS) {
612			c = 'G';
613			snprintf(buf, sizeof(buf), "%dx%dx%d %d",
614				 info.vi_width, info.vi_height,
615				 info.vi_depth, info.vi_planes);
616		} else {
617			c = 'T';
618			snprintf(buf, sizeof(buf), "%dx%d",
619				 info.vi_width, info.vi_height);
620		}
621		printf(" %c %-15s", c, buf);
622		snprintf(buf, sizeof(buf), "%dx%d",
623			 info.vi_cwidth, info.vi_cheight);
624		printf(" %-5s", buf);
625    		printf(" 0x%05x %2dk %2dk",
626		       info.vi_window, (int)info.vi_window_size/1024,
627		       (int)info.vi_window_gran/1024);
628    		printf(" 0x%08x %dk\n",
629		       info.vi_buffer, (int)info.vi_buffer_size/1024);
630	}
631}
632
633void
634show_info(char *arg)
635{
636	if (!strcmp(arg, "adapter"))
637		show_adapter_info();
638	else if (!strcmp(arg, "mode"))
639		show_mode_info();
640	else {
641		warnx("argument to -i must be either adapter or mode");
642		return;
643	}
644}
645
646void
647test_frame()
648{
649	int i;
650
651	fprintf(stdout, "[=0G\n\n");
652	for (i=0; i<8; i++) {
653		fprintf(stdout, "[=15F[=0G        %2d [=%dF%-16s"
654				"[=15F[=0G        %2d [=%dF%-16s        "
655				"[=15F %2d [=%dGBACKGROUND[=0G\n",
656			i, i, legal_colors[i], i+8, i+8,
657			legal_colors[i+8], i, i);
658	}
659	fprintf(stdout, "[=%dF[=%dG[=%dH[=%dI\n",
660		info.mv_norm.fore, info.mv_norm.back,
661		info.mv_rev.fore, info.mv_rev.back);
662}
663
664/*
665 * Snapshot the video memory of that terminal, using the CONS_SCRSHOT
666 * ioctl, and writes the results to stdout either in the special
667 * binary format (see manual page for details), or in the plain
668 * text format.
669 */
670void
671dump_screen(int mode)
672{
673	scrshot_t shot;
674	vid_info_t info;
675
676	info.size = sizeof(info);
677	if (ioctl(0, CONS_GETINFO, &info) == -1) {
678		warn("failed to obtain current video mode parameters");
679		return;
680	}
681
682	shot.buf = alloca(info.mv_csz * info.mv_rsz * sizeof(u_int16_t));
683	if (shot.buf == NULL) {
684		warn("failed to allocate memory for dump");
685		return;
686	}
687
688	shot.xsize = info.mv_csz;
689	shot.ysize = info.mv_rsz;
690	if (ioctl(0, CONS_SCRSHOT, &shot) == -1) {
691		warn("failed to get dump of the screen");
692		return;
693	}
694
695	if (mode == DUMP_RAW) {
696		printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2,
697		       shot.xsize, shot.ysize);
698		fflush(stdout);
699
700		(void)write(STDOUT_FILENO, shot.buf,
701			    shot.xsize * shot.ysize * sizeof(u_int16_t));
702	} else {
703		char *line;
704		int x, y;
705		u_int16_t ch;
706
707		line = alloca(shot.xsize + 1);
708		if (line == NULL) {
709			warn("failed to allocate memory for line buffer");
710			return;
711		}
712
713		for (y = 0; y < shot.ysize; y++) {
714			for (x = 0; x < shot.xsize; x++) {
715				ch = shot.buf[x + (y * shot.xsize)];
716				ch &= 0xff;
717				if (isprint(ch) == 0)
718					ch = ' ';
719				line[x] = (char)ch;
720			}
721
722			/* Trim trailing spaces */
723			do {
724				line[x--] = '\0';
725			} while (line[x] == ' ' && x != 0);
726
727			puts(line);
728		}
729		fflush(stdout);
730	}
731
732	return;
733}
734
735void
736set_history(char *opt)
737{
738	int size;
739
740	size = atoi(opt);
741	if ((*opt == '\0') || size < 0) {
742		warnx("argument must be a positive number");
743		return;
744	}
745	if (ioctl(0, CONS_HISTORY, &size) == -1)
746		warn("setting history buffer size");
747}
748
749void
750clear_history()
751{
752
753	if (ioctl(0, CONS_CLRHIST) == -1)
754		warn("clear history buffer");
755}
756
757int
758main(int argc, char **argv)
759{
760	char	*font, *type;
761	int	opt;
762
763
764	info.size = sizeof(info);
765	if (argc == 1)
766		usage();
767		/* Not reached */
768	if (ioctl(0, CONS_GETINFO, &info) < 0)
769		err(1, "must be on a virtual console");
770	while((opt = getopt(argc, argv, "b:Cc:df:g:h:i:l:LM:m:pPr:S:s:t:x")) != -1)
771		switch(opt) {
772		case 'b':
773			set_border_color(optarg);
774			break;
775		case 'C':
776			clear_history();
777			break;
778		case 'c':
779			set_cursor_type(optarg);
780			break;
781		case 'd':
782			print_scrnmap();
783			break;
784		case 'f':
785			type = optarg;
786			font = nextarg(argc, argv, &optind, 'f', 0);
787			if (font == NULL) {
788				type = NULL;
789				font = optarg;
790			}
791			load_font(type, font);
792			break;
793		case 'g':
794			if (sscanf(optarg, "%dx%d", &vesa_cols,
795			    &vesa_rows) != 2) {
796				warnx("incorrect geometry: %s", optarg);
797				usage();
798			}
799			break;
800		case 'h':
801			set_history(optarg);
802			break;
803		case 'i':
804			show_info(optarg);
805			break;
806		case 'l':
807			load_scrnmap(optarg);
808			break;
809		case 'L':
810			load_default_scrnmap();
811			break;
812		case 'M':
813			set_mouse_char(optarg);
814			break;
815		case 'm':
816			set_mouse(optarg);
817			break;
818		case 'p':
819			dump_screen(DUMP_RAW);
820			break;
821		case 'P':
822			dump_screen(DUMP_TXT);
823			break;
824		case 'r':
825			set_reverse_colors(argc, argv, &optind);
826			break;
827		case 'S':
828			set_lockswitch(optarg);
829			break;
830		case 's':
831			set_console(optarg);
832			break;
833		case 't':
834			set_screensaver_timeout(optarg);
835			break;
836		case 'x':
837			hex = 1;
838			break;
839		default:
840			usage();
841		}
842	video_mode(argc, argv, &optind);
843	set_normal_colors(argc, argv, &optind);
844	if (optind < argc && !strcmp(argv[optind], "show")) {
845		test_frame();
846		optind++;
847	}
848	if ((optind != argc) || (argc == 1))
849		usage();
850	return 0;
851}
852
853