xref: /openbsd/sbin/wsconsctl/util.c (revision 5dea098c)
1 /*	$OpenBSD: util.c,v 1.70 2024/01/19 17:51:15 kettenis Exp $ */
2 /*	$NetBSD: util.c,v 1.8 2000/03/14 08:11:53 sato Exp $ */
3 
4 /*-
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Juergen Hannken-Illjes.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <sys/ioctl.h>
34 #include <sys/time.h>
35 #include <dev/wscons/wsconsio.h>
36 #include <dev/wscons/wsksymdef.h>
37 #include <err.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <stdio.h>
41 #include <unistd.h>
42 #include "wsconsctl.h"
43 #include "mousecfg.h"
44 
45 #define TABLEN(t)		(sizeof(t)/sizeof(t[0]))
46 
47 extern struct wskbd_map_data kbmap;	/* from keyboard.c */
48 extern struct wskbd_map_data newkbmap;	/* from map_parse.y */
49 extern struct wsmouse_calibcoords wmcoords;	/* from mouse.c */
50 
51 struct nameint {
52 	int value;
53 	char *name;
54 };
55 
56 static const struct nameint kbtype_tab[] = {
57 	{ WSKBD_TYPE_LK201,	"lk201" },
58 	{ WSKBD_TYPE_LK401,	"lk401" },
59 	{ WSKBD_TYPE_PC_XT,	"pc-xt" },
60 	{ WSKBD_TYPE_PC_AT,	"pc-at" },
61 	{ WSKBD_TYPE_USB,	"usb" },
62 	{ WSKBD_TYPE_NEXT,	"NeXT" },
63 	{ WSKBD_TYPE_HPC_KBD,	"hpc-kbd" },
64 	{ WSKBD_TYPE_HPC_BTN,	"hpc-btn" },
65 	{ WSKBD_TYPE_ADB,	"adb" },
66 	{ WSKBD_TYPE_SUN,	"sun" },
67 	{ WSKBD_TYPE_SUN5,	"sun5" },
68 	{ WSKBD_TYPE_HIL,	"hil" },
69 	{ WSKBD_TYPE_GSC,	"hp-ps2" },
70 	{ WSKBD_TYPE_LUNA,	"luna" },
71 	{ WSKBD_TYPE_ZAURUS,	"zaurus" },
72 	{ WSKBD_TYPE_DOMAIN,	"domain" },
73 	{ WSKBD_TYPE_BLUETOOTH,	"bluetooth" },
74 	{ WSKBD_TYPE_KPC,	"kpc" },
75 	{ WSKBD_TYPE_SGI,	"sgi" },
76 };
77 
78 static const struct nameint mstype_tab[] = {
79 	{ WSMOUSE_TYPE_VSXXX,	"dec-tc" },
80 	{ WSMOUSE_TYPE_PS2,	"ps2" },
81 	{ WSMOUSE_TYPE_USB,	"usb" },
82 	{ WSMOUSE_TYPE_LMS,	"lms" },
83 	{ WSMOUSE_TYPE_MMS,	"mms" },
84 	{ WSMOUSE_TYPE_TPANEL,	"touch-panel" },
85 	{ WSMOUSE_TYPE_NEXT,	"NeXT" },
86 	{ WSMOUSE_TYPE_ARCHIMEDES, "archimedes" },
87 	{ WSMOUSE_TYPE_ADB,	"adb" },
88 	{ WSMOUSE_TYPE_HIL,	"hil" },
89 	{ WSMOUSE_TYPE_LUNA,	"luna" },
90 	{ WSMOUSE_TYPE_DOMAIN,	"domain" },
91 	{ WSMOUSE_TYPE_BLUETOOTH, "bluetooth" },
92 	{ WSMOUSE_TYPE_SUN,	"sun" },
93 	{ WSMOUSE_TYPE_SYNAPTICS, "synaptics" },
94 	{ WSMOUSE_TYPE_ALPS,	"alps" },
95 	{ WSMOUSE_TYPE_SGI,	"sgi" },
96 	{ WSMOUSE_TYPE_ELANTECH, "elantech" },
97 	{ WSMOUSE_TYPE_SYNAP_SBTN, "synaptics" },
98 	{ WSMOUSE_TYPE_TOUCHPAD, "touchpad" },
99 };
100 
101 static const struct nameint dpytype_tab[] = {
102 	{ WSDISPLAY_TYPE_UNKNOWN,	"unknown" },
103 	{ WSDISPLAY_TYPE_PM_MONO,	"dec-pm-mono" },
104 	{ WSDISPLAY_TYPE_PM_COLOR,	"dec-pm-color" },
105 	{ WSDISPLAY_TYPE_CFB,		"dec-cfb" },
106 	{ WSDISPLAY_TYPE_XCFB,		"dec-xcfb" },
107 	{ WSDISPLAY_TYPE_MFB,		"dec-mfb" },
108 	{ WSDISPLAY_TYPE_SFB,		"dec-sfb" },
109 	{ WSDISPLAY_TYPE_ISAVGA,	"vga-isa" },
110 	{ WSDISPLAY_TYPE_PCIVGA,	"vga-pci" },
111 	{ WSDISPLAY_TYPE_TGA,		"dec-tga-pci" },
112 	{ WSDISPLAY_TYPE_SFBP,		"dec-sfb+" },
113 	{ WSDISPLAY_TYPE_PCIMISC,	"generic-pci" },
114 	{ WSDISPLAY_TYPE_NEXTMONO,	"next-mono" },
115 	{ WSDISPLAY_TYPE_PX,		"dec-px" },
116 	{ WSDISPLAY_TYPE_PXG,		"dec-pxg" },
117 	{ WSDISPLAY_TYPE_TX,		"dec-tx" },
118 	{ WSDISPLAY_TYPE_HPCFB,		"generic-hpc" },
119 	{ WSDISPLAY_TYPE_VIDC,		"arm-vidc" },
120 	{ WSDISPLAY_TYPE_SPX,		"dec-spx" },
121 	{ WSDISPLAY_TYPE_GPX,		"dec-gpx" },
122 	{ WSDISPLAY_TYPE_LCG,		"dec-lcg" },
123 	{ WSDISPLAY_TYPE_VAX_MONO,	"dec-mono" },
124 	{ WSDISPLAY_TYPE_SB_P9100,	"p9100" },
125 	{ WSDISPLAY_TYPE_EGA,		"ega" },
126 	{ WSDISPLAY_TYPE_DCPVR,		"powervr" },
127 	{ WSDISPLAY_TYPE_SUN24,		"sun24" },
128 	{ WSDISPLAY_TYPE_SUNBW,		"sunbw" },
129 	{ WSDISPLAY_TYPE_STI,		"hp-sti" },
130 	{ WSDISPLAY_TYPE_SUNCG3,	"suncg3" },
131 	{ WSDISPLAY_TYPE_SUNCG6,	"suncg6" },
132 	{ WSDISPLAY_TYPE_SUNFFB,	"sunffb" },
133 	{ WSDISPLAY_TYPE_SUNCG14,	"suncg14" },
134 	{ WSDISPLAY_TYPE_SUNCG2,	"suncg2" },
135 	{ WSDISPLAY_TYPE_SUNCG4,	"suncg4" },
136 	{ WSDISPLAY_TYPE_SUNCG8,	"suncg8" },
137 	{ WSDISPLAY_TYPE_SUNTCX,	"suntcx" },
138 	{ WSDISPLAY_TYPE_AGTEN,		"agten" },
139 	{ WSDISPLAY_TYPE_XVIDEO,	"xvideo" },
140 	{ WSDISPLAY_TYPE_SUNCG12,	"suncg12" },
141 	{ WSDISPLAY_TYPE_MGX,		"mgx" },
142 	{ WSDISPLAY_TYPE_SB_P9000,	"p9000" },
143 	{ WSDISPLAY_TYPE_RFLEX,		"rasterflex" },
144 	{ WSDISPLAY_TYPE_LUNA,		"luna" },
145 	{ WSDISPLAY_TYPE_DVBOX,		"davinci" },
146 	{ WSDISPLAY_TYPE_GBOX,		"gatorbox" },
147 	{ WSDISPLAY_TYPE_RBOX,		"renaissance" },
148 	{ WSDISPLAY_TYPE_HYPERION,	"hyperion" },
149 	{ WSDISPLAY_TYPE_TOPCAT,	"topcat" },
150 	{ WSDISPLAY_TYPE_PXALCD,	"pxalcd" },
151 	{ WSDISPLAY_TYPE_MAC68K,	"mac68k" },
152 	{ WSDISPLAY_TYPE_SUNLEO,	"sunleo" },
153 	{ WSDISPLAY_TYPE_TVRX,		"tvrx" },
154 	{ WSDISPLAY_TYPE_CFXGA,		"cfxga" },
155 	{ WSDISPLAY_TYPE_LCSPX,		"dec-lcspx" },
156 	{ WSDISPLAY_TYPE_GBE,		"gbe" },
157 	{ WSDISPLAY_TYPE_LEGSS,		"dec-legss" },
158 	{ WSDISPLAY_TYPE_IFB,		"ifb" },
159 	{ WSDISPLAY_TYPE_RAPTOR,	"raptor" },
160 	{ WSDISPLAY_TYPE_DL,		"displaylink" },
161 	{ WSDISPLAY_TYPE_MACHFB,	"mach64" },
162 	{ WSDISPLAY_TYPE_GFXP,		"gfxp" },
163 	{ WSDISPLAY_TYPE_RADEONFB,	"radeon" },
164 	{ WSDISPLAY_TYPE_SMFB,		"smfb" },
165 	{ WSDISPLAY_TYPE_SISFB,		"sisfb" },
166 	{ WSDISPLAY_TYPE_ODYSSEY,	"odyssey" },
167 	{ WSDISPLAY_TYPE_IMPACT,	"impact" },
168 	{ WSDISPLAY_TYPE_GRTWO,		"grtwo" },
169 	{ WSDISPLAY_TYPE_NEWPORT,	"newport" },
170 	{ WSDISPLAY_TYPE_LIGHT,		"light" },
171 	{ WSDISPLAY_TYPE_INTELDRM,	"inteldrm" },
172 	{ WSDISPLAY_TYPE_RADEONDRM,	"radeondrm" },
173 	{ WSDISPLAY_TYPE_EFIFB,		"efifb" },
174 	{ WSDISPLAY_TYPE_KMS,		"kms" },
175 	{ WSDISPLAY_TYPE_ASTFB,		"astfb" }
176 };
177 
178 static const struct nameint kbdenc_tab[] = {
179 	KB_ENCTAB
180 };
181 
182 static const struct nameint kbdvar_tab[] = {
183 	KB_VARTAB
184 };
185 
186 char *int2name(int, int, const struct nameint *, int);
187 int name2int(char *, const struct nameint *, int);
188 void print_kmap(struct wskbd_map_data *);
189 void print_emul(struct wsdisplay_emultype *);
190 void print_screen(struct wsdisplay_screentype *);
191 
192 struct field *
193 field_by_name(struct field *field_tab, char *name)
194 {
195 	const char *p = strchr(name, '.');
196 
197 	if (!p++)
198 		errx(1, "%s: illegal variable name", name);
199 
200 	for (; field_tab->name; field_tab++)
201 		if (strcmp(field_tab->name, p) == 0)
202 			return (field_tab);
203 
204 	errx(1, "%s: not found", name);
205 }
206 
207 struct field *
208 field_by_value(struct field *field_tab, void *addr)
209 {
210 	for (; field_tab->name; field_tab++)
211 		if (field_tab->valp == addr)
212 			return (field_tab);
213 
214 	errx(1, "internal error: field_by_value: not found");
215 }
216 
217 char *
218 int2name(int val, int uflag, const struct nameint *tab, int len)
219 {
220 	static char tmp[20];
221 	int i;
222 
223 	for (i = 0; i < len; i++)
224 		if (tab[i].value == val)
225 			return(tab[i].name);
226 
227 	if (uflag) {
228 		snprintf(tmp, sizeof(tmp), "unknown_%d", val);
229 		return(tmp);
230 	} else
231 		return(NULL);
232 }
233 
234 int
235 name2int(char *val, const struct nameint *tab, int len)
236 {
237 	int i;
238 
239 	for (i = 0; i < len; i++)
240 		if (strcmp(tab[i].name, val) == 0)
241 			return(tab[i].value);
242 	return(-1);
243 }
244 
245 void
246 pr_field(const char *pre, struct field *f, const char *sep)
247 {
248 	struct field_pc *pc;
249 	u_int flags;
250 	int i, n;
251 	char *p;
252 
253 	if (sep)
254 		printf("%s.%s%s", pre, f->name, sep);
255 
256 	switch (f->format) {
257 	case FMT_UINT:
258 		printf("%u", *((u_int *) f->valp));
259 		break;
260 	case FMT_INT:
261 		printf("%d", *((int *) f->valp));
262 		break;
263 	case FMT_BOOL:
264 		printf("%s", *((u_int *) f->valp)? "on" : "off");
265 		break;
266 	case FMT_PC:
267 		pc = f->valp;
268 		i = pc->max - pc->min;
269 		n = pc->cur - pc->min;
270 		printf("%u.%02u%%", n * 100 / i, ((n * 100) % i) * 100 / i);
271 		break;
272 	case FMT_KBDTYPE:
273 		p = int2name(*((u_int *) f->valp), 1,
274 			     kbtype_tab, TABLEN(kbtype_tab));
275 		printf("%s", p);
276 		break;
277 	case FMT_MSTYPE:
278 		p = int2name(*((u_int *) f->valp), 1,
279 			     mstype_tab, TABLEN(mstype_tab));
280 		printf("%s", p);
281 		break;
282 	case FMT_DPYTYPE:
283 		p = int2name(*((u_int *) f->valp), 1,
284 			     dpytype_tab, TABLEN(dpytype_tab));
285 		printf("%s", p);
286 		break;
287 	case FMT_KBDENC:
288 		p = int2name(KB_ENCODING(*((u_int *) f->valp)), 1,
289 			     kbdenc_tab, TABLEN(kbdenc_tab));
290 		printf("%s", p);
291 
292 		flags = KB_VARIANT(*((u_int *) f->valp));
293 		for (i = 0; i < 32; i++) {
294 			if (!(flags & (1 << i)))
295 				continue;
296 			p = int2name(flags & (1 << i), 1,
297 				     kbdvar_tab, TABLEN(kbdvar_tab));
298 			printf(".%s", p);
299 		}
300 		break;
301 	case FMT_KBMAP:
302 		print_kmap((struct wskbd_map_data *) f->valp);
303 		break;
304 	case FMT_SCALE:
305 		printf("%d,%d,%d,%d,%d,%d,%d", wmcoords.minx, wmcoords.maxx,
306 		    wmcoords.miny, wmcoords.maxy, wmcoords.swapxy,
307 		    wmcoords.resx, wmcoords.resy);
308 		break;
309 	case FMT_EMUL:
310 		print_emul((struct wsdisplay_emultype *) f->valp);
311 		break;
312 	case FMT_SCREEN:
313 		print_screen((struct wsdisplay_screentype *) f->valp);
314 		break;
315 	case FMT_STRING:
316 		printf("%s", (const char *)f->valp);
317 		break;
318 	case FMT_CFG:
319 		mousecfg_pr_field((struct wsmouse_parameters *) f->valp);
320 		break;
321 	default:
322 		errx(1, "internal error: pr_field: no format %d", f->format);
323 		break;
324 	}
325 
326 	printf("\n");
327 }
328 
329 void
330 rd_field(struct field *f, char *val, int merge)
331 {
332 	struct wscons_keymap *mp;
333 	struct field_pc *pc;
334 	u_int u, r, fr;
335 	char *p;
336 	int i;
337 
338 	switch (f->format) {
339 	case FMT_UINT:
340 		if (sscanf(val, "%u", &u) != 1)
341 			errx(1, "%s: not a number", val);
342 		if (merge)
343 			*((u_int *) f->valp) += u;
344 		else
345 			*((u_int *) f->valp) = u;
346 		break;
347 	case FMT_INT:
348 		if (sscanf(val, "%d", &i) != 1)
349 			errx(1, "%s: not a number", val);
350 		if (merge)
351 			*((int *) f->valp) += i;
352 		else
353 			*((int *) f->valp) = i;
354 		break;
355 	case FMT_BOOL:
356 		if (*val != 'o' || (val[1] != 'n' &&
357 		    (val[1] != 'f' || val[2] != 'f')))
358 			errx(1, "%s: invalid value (on/off)", val);
359 		*((u_int *) f->valp) = val[1] == 'n'? 1 : 0;
360 		break;
361 	case FMT_PC:
362 		fr = 0;
363 		if ((i = sscanf(val, "%u.%u%%", &u, &fr)) != 2 && i != 1)
364 			errx(1, "%s: not a valid number", val);
365 		pc = f->valp;
366 		r = pc->max - pc->min;
367 		i = pc->min + (r * u) / 100 + (r * fr) / 100 / 100;
368 		if (merge == '+')
369 			pc->cur += i;
370 		else if (merge == '-')
371 			pc->cur -= i;
372 		else
373 			pc->cur = i;
374 		if (pc->cur > pc->max)
375 			pc->cur = pc->max;
376 		if (pc->cur < pc->min)
377 			pc->cur = pc->min;
378 		break;
379 	case FMT_KBDENC:
380 		p = strchr(val, '.');
381 		if (p != NULL)
382 			*p++ = '\0';
383 
384 		i = name2int(val, kbdenc_tab, TABLEN(kbdenc_tab));
385 		if (i == -1)
386 			errx(1, "%s: not a valid encoding", val);
387 		*((u_int *) f->valp) = i;
388 
389 		while (p) {
390 			val = p;
391 			p = strchr(p, '.');
392 			if (p != NULL)
393 				*p++ = '\0';
394 			i = name2int(val, kbdvar_tab, TABLEN(kbdvar_tab));
395 			if (i == -1)
396 				errx(1, "%s: not a valid variant", val);
397 			*((u_int *) f->valp) |= i;
398 		}
399 		break;
400 	case FMT_KBMAP:
401 		if (! merge)
402 			kbmap.maplen = 0;
403 		map_scan_setinput(val);
404 		yyparse();
405 		if (merge) {
406 			if (newkbmap.maplen < kbmap.maplen)
407 				newkbmap.maplen = kbmap.maplen;
408 			for (i = 0; i < kbmap.maplen; i++) {
409 				mp = newkbmap.map + i;
410 				if (mp->command == KS_voidSymbol &&
411 				    mp->group1[0] == KS_voidSymbol &&
412 				    mp->group1[1] == KS_voidSymbol &&
413 				    mp->group2[0] == KS_voidSymbol &&
414 				    mp->group2[1] == KS_voidSymbol)
415 					*mp = kbmap.map[i];
416 			}
417 		}
418 		kbmap.maplen = newkbmap.maplen;
419 		bcopy(newkbmap.map, kbmap.map,
420 		      kbmap.maplen*sizeof(struct wscons_keymap));
421 		break;
422 	case FMT_SCALE:
423 	{
424 		const char *errstr = 0;
425 
426 		/* Unspecified values default to 0. */
427 		bzero(&wmcoords, sizeof(wmcoords));
428 		val = (void *)strtok(val, ",");
429 		if (val != NULL) {
430 			wmcoords.minx = (int)strtonum(val,
431 			    -32768, 32767, &errstr);
432 			val = (void *)strtok(NULL, ",");
433 		}
434 		if (!errstr && val != NULL) {
435 			wmcoords.maxx = (int)strtonum(val,
436 			    -32768, 32767, &errstr);
437 			val = (void *)strtok(NULL, ",");
438 		}
439 		if (!errstr && val != NULL) {
440 			wmcoords.miny = (int)strtonum(val,
441 			    -32768, 32767, &errstr);
442 			val = (void *)strtok(NULL, ",");
443 		}
444 		if (!errstr && val != NULL) {
445 			wmcoords.maxy = (int)strtonum(val,
446 			    -32768, 32767, &errstr);
447 			val = (void *)strtok(NULL, ",");
448 		}
449 		if (!errstr && val != NULL) {
450 			wmcoords.swapxy = (int)strtonum(val,
451 			    -32768, 32767, &errstr);
452 			val = (void *)strtok(NULL, ",");
453 		}
454 		if (!errstr && val != NULL) {
455 			wmcoords.resx = (int)strtonum(val,
456 			    0, 32767, &errstr);
457 			val = (void *)strtok(NULL, ",");
458 		}
459 		if (!errstr && val != NULL) {
460 			wmcoords.resy = (int)strtonum(val,
461 			    0, 32767, &errstr);
462 			val = (void *)strtok(NULL, ",");
463 		}
464 		if (errstr)
465 			errx(1, "calibration value is %s", errstr);
466 		if (val != NULL)
467 			errx(1, "too many calibration values");
468 
469 		break;
470 	}
471 	case FMT_STRING:
472 		strlcpy(f->valp, val, WSFONT_NAME_SIZE);
473 		break;
474 	case FMT_CFG:
475 		mousecfg_rd_field((struct wsmouse_parameters *) f->valp, val);
476 		break;
477 	default:
478 		errx(1, "internal error: rd_field: no format %d", f->format);
479 		break;
480 	}
481 }
482 
483 void
484 print_kmap(struct wskbd_map_data *map)
485 {
486 	struct wscons_keymap *mp;
487 	int i;
488 
489 	for (i = 0; i < map->maplen; i++) {
490 		mp = map->map + i;
491 
492 		if (mp->command == KS_voidSymbol &&
493 		    mp->group1[0] == KS_voidSymbol &&
494 		    mp->group1[1] == KS_voidSymbol &&
495 		    mp->group2[0] == KS_voidSymbol &&
496 		    mp->group2[1] == KS_voidSymbol)
497 			continue;
498 		printf("\n");
499 		printf("keycode %u =", i);
500 		if (mp->command != KS_voidSymbol)
501 			printf(" %s", ksym2name(mp->command));
502 		printf(" %s", ksym2name(mp->group1[0]));
503 		if (mp->group1[0] != mp->group1[1] ||
504 		    mp->group1[0] != mp->group2[0] ||
505 		    mp->group1[0] != mp->group2[1]) {
506 			printf(" %s", ksym2name(mp->group1[1]));
507 			if (mp->group1[0] != mp->group2[0] ||
508 			    mp->group1[1] != mp->group2[1]) {
509 				printf(" %s", ksym2name(mp->group2[0]));
510 				printf(" %s", ksym2name(mp->group2[1]));
511 			}
512 		}
513 	}
514 	ksymenc(0);
515 }
516 
517 void
518 print_emul(struct wsdisplay_emultype *emuls)
519 {
520 	struct wsdisplay_emultype e;
521 	int fd,i;
522 	char c='\0';
523 
524 	fd=emuls->idx;
525 	e.idx=0;
526 	i = ioctl(fd, WSDISPLAYIO_GETEMULTYPE, &e);
527 	while(i == 0) {
528 		if (c != '\0')
529 			printf("%c", c);
530 		printf("%s", e.name);
531 		c=',';
532 		e.idx++;
533 		i = ioctl(fd, WSDISPLAYIO_GETEMULTYPE, &e);
534 	}
535 }
536 
537 void
538 print_screen(struct wsdisplay_screentype *screens)
539 {
540 	struct wsdisplay_screentype s;
541 	int fd,i;
542 	char c='\0';
543 
544 	fd=screens->idx;
545 	s.idx=0;
546 	i = ioctl(fd, WSDISPLAYIO_GETSCREENTYPE, &s);
547 	while(i == 0) {
548 		if (c != '\0')
549 			printf("%c", c);
550 		printf("%s", s.name);
551 		c=',';
552 		s.idx++;
553 		i = ioctl(fd, WSDISPLAYIO_GETSCREENTYPE, &s);
554 	}
555 }
556