xref: /openbsd-src/sbin/wsconsctl/util.c (revision 99fd087599a8791921855f21bd7e36130f39aadc)
1 /*	$OpenBSD: util.c,v 1.68 2020/03/03 22:04:30 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_RKDRM,		"rkdrm" }
175 };
176 
177 static const struct nameint kbdenc_tab[] = {
178 	KB_ENCTAB
179 };
180 
181 static const struct nameint kbdvar_tab[] = {
182 	KB_VARTAB
183 };
184 
185 char *int2name(int, int, const struct nameint *, int);
186 int name2int(char *, const struct nameint *, int);
187 void print_kmap(struct wskbd_map_data *);
188 void print_emul(struct wsdisplay_emultype *);
189 void print_screen(struct wsdisplay_screentype *);
190 
191 struct field *
192 field_by_name(struct field *field_tab, char *name)
193 {
194 	const char *p = strchr(name, '.');
195 
196 	if (!p++)
197 		errx(1, "%s: illegal variable name", name);
198 
199 	for (; field_tab->name; field_tab++)
200 		if (strcmp(field_tab->name, p) == 0)
201 			return (field_tab);
202 
203 	errx(1, "%s: not found", name);
204 }
205 
206 struct field *
207 field_by_value(struct field *field_tab, void *addr)
208 {
209 	for (; field_tab->name; field_tab++)
210 		if (field_tab->valp == addr)
211 			return (field_tab);
212 
213 	errx(1, "internal error: field_by_value: not found");
214 }
215 
216 char *
217 int2name(int val, int uflag, const struct nameint *tab, int len)
218 {
219 	static char tmp[20];
220 	int i;
221 
222 	for (i = 0; i < len; i++)
223 		if (tab[i].value == val)
224 			return(tab[i].name);
225 
226 	if (uflag) {
227 		snprintf(tmp, sizeof(tmp), "unknown_%d", val);
228 		return(tmp);
229 	} else
230 		return(NULL);
231 }
232 
233 int
234 name2int(char *val, const struct nameint *tab, int len)
235 {
236 	int i;
237 
238 	for (i = 0; i < len; i++)
239 		if (strcmp(tab[i].name, val) == 0)
240 			return(tab[i].value);
241 	return(-1);
242 }
243 
244 void
245 pr_field(const char *pre, struct field *f, const char *sep)
246 {
247 	struct field_pc *pc;
248 	u_int flags;
249 	int i, n;
250 	char *p;
251 
252 	if (sep)
253 		printf("%s.%s%s", pre, f->name, sep);
254 
255 	switch (f->format) {
256 	case FMT_UINT:
257 		printf("%u", *((u_int *) f->valp));
258 		break;
259 	case FMT_INT:
260 		printf("%d", *((int *) f->valp));
261 		break;
262 	case FMT_BOOL:
263 		printf("%s", *((u_int *) f->valp)? "on" : "off");
264 		break;
265 	case FMT_PC:
266 		pc = f->valp;
267 		i = pc->max - pc->min;
268 		n = pc->cur - pc->min;
269 		printf("%u.%02u%%", n * 100 / i, ((n * 100) % i) * 100 / i);
270 		break;
271 	case FMT_KBDTYPE:
272 		p = int2name(*((u_int *) f->valp), 1,
273 			     kbtype_tab, TABLEN(kbtype_tab));
274 		printf("%s", p);
275 		break;
276 	case FMT_MSTYPE:
277 		p = int2name(*((u_int *) f->valp), 1,
278 			     mstype_tab, TABLEN(mstype_tab));
279 		printf("%s", p);
280 		break;
281 	case FMT_DPYTYPE:
282 		p = int2name(*((u_int *) f->valp), 1,
283 			     dpytype_tab, TABLEN(dpytype_tab));
284 		printf("%s", p);
285 		break;
286 	case FMT_KBDENC:
287 		p = int2name(KB_ENCODING(*((u_int *) f->valp)), 1,
288 			     kbdenc_tab, TABLEN(kbdenc_tab));
289 		printf("%s", p);
290 
291 		flags = KB_VARIANT(*((u_int *) f->valp));
292 		for (i = 0; i < 32; i++) {
293 			if (!(flags & (1 << i)))
294 				continue;
295 			p = int2name(flags & (1 << i), 1,
296 				     kbdvar_tab, TABLEN(kbdvar_tab));
297 			printf(".%s", p);
298 		}
299 		break;
300 	case FMT_KBMAP:
301 		print_kmap((struct wskbd_map_data *) f->valp);
302 		break;
303 	case FMT_SCALE:
304 		printf("%d,%d,%d,%d,%d,%d,%d", wmcoords.minx, wmcoords.maxx,
305 		    wmcoords.miny, wmcoords.maxy, wmcoords.swapxy,
306 		    wmcoords.resx, wmcoords.resy);
307 		break;
308 	case FMT_EMUL:
309 		print_emul((struct wsdisplay_emultype *) f->valp);
310 		break;
311 	case FMT_SCREEN:
312 		print_screen((struct wsdisplay_screentype *) f->valp);
313 		break;
314 	case FMT_STRING:
315 		printf("%s", (const char *)f->valp);
316 		break;
317 	case FMT_CFG:
318 		mousecfg_pr_field((struct wsmouse_parameters *) f->valp);
319 		break;
320 	default:
321 		errx(1, "internal error: pr_field: no format %d", f->format);
322 		break;
323 	}
324 
325 	printf("\n");
326 }
327 
328 void
329 rd_field(struct field *f, char *val, int merge)
330 {
331 	struct wscons_keymap *mp;
332 	struct field_pc *pc;
333 	u_int u, r, fr;
334 	char *p;
335 	int i;
336 
337 	switch (f->format) {
338 	case FMT_UINT:
339 		if (sscanf(val, "%u", &u) != 1)
340 			errx(1, "%s: not a number", val);
341 		if (merge)
342 			*((u_int *) f->valp) += u;
343 		else
344 			*((u_int *) f->valp) = u;
345 		break;
346 	case FMT_INT:
347 		if (sscanf(val, "%d", &i) != 1)
348 			errx(1, "%s: not a number", val);
349 		if (merge)
350 			*((int *) f->valp) += i;
351 		else
352 			*((int *) f->valp) = i;
353 		break;
354 	case FMT_BOOL:
355 		if (*val != 'o' || (val[1] != 'n' &&
356 		    (val[1] != 'f' || val[2] != 'f')))
357 			errx(1, "%s: invalid value (on/off)", val);
358 		*((u_int *) f->valp) = val[1] == 'n'? 1 : 0;
359 		break;
360 	case FMT_PC:
361 		fr = 0;
362 		if ((i = sscanf(val, "%u.%u%%", &u, &fr)) != 2 && i != 1)
363 			errx(1, "%s: not a valid number", val);
364 		pc = f->valp;
365 		r = pc->max - pc->min;
366 		i = pc->min + (r * u) / 100 + (r * fr) / 100 / 100;
367 		if (merge == '+')
368 			pc->cur += i;
369 		else if (merge == '-')
370 			pc->cur -= i;
371 		else
372 			pc->cur = i;
373 		if (pc->cur > pc->max)
374 			pc->cur = pc->max;
375 		if (pc->cur < pc->min)
376 			pc->cur = pc->min;
377 		break;
378 	case FMT_KBDENC:
379 		p = strchr(val, '.');
380 		if (p != NULL)
381 			*p++ = '\0';
382 
383 		i = name2int(val, kbdenc_tab, TABLEN(kbdenc_tab));
384 		if (i == -1)
385 			errx(1, "%s: not a valid encoding", val);
386 		*((u_int *) f->valp) = i;
387 
388 		while (p) {
389 			val = p;
390 			p = strchr(p, '.');
391 			if (p != NULL)
392 				*p++ = '\0';
393 			i = name2int(val, kbdvar_tab, TABLEN(kbdvar_tab));
394 			if (i == -1)
395 				errx(1, "%s: not a valid variant", val);
396 			*((u_int *) f->valp) |= i;
397 		}
398 		break;
399 	case FMT_KBMAP:
400 		if (! merge)
401 			kbmap.maplen = 0;
402 		map_scan_setinput(val);
403 		yyparse();
404 		if (merge) {
405 			if (newkbmap.maplen < kbmap.maplen)
406 				newkbmap.maplen = kbmap.maplen;
407 			for (i = 0; i < kbmap.maplen; i++) {
408 				mp = newkbmap.map + i;
409 				if (mp->command == KS_voidSymbol &&
410 				    mp->group1[0] == KS_voidSymbol &&
411 				    mp->group1[1] == KS_voidSymbol &&
412 				    mp->group2[0] == KS_voidSymbol &&
413 				    mp->group2[1] == KS_voidSymbol)
414 					*mp = kbmap.map[i];
415 			}
416 		}
417 		kbmap.maplen = newkbmap.maplen;
418 		bcopy(newkbmap.map, kbmap.map,
419 		      kbmap.maplen*sizeof(struct wscons_keymap));
420 		break;
421 	case FMT_SCALE:
422 	{
423 		const char *errstr = 0;
424 
425 		/* Unspecified values default to 0. */
426 		bzero(&wmcoords, sizeof(wmcoords));
427 		val = (void *)strtok(val, ",");
428 		if (val != NULL) {
429 			wmcoords.minx = (int)strtonum(val,
430 			    -32768, 32767, &errstr);
431 			val = (void *)strtok(NULL, ",");
432 		}
433 		if (!errstr && val != NULL) {
434 			wmcoords.maxx = (int)strtonum(val,
435 			    -32768, 32767, &errstr);
436 			val = (void *)strtok(NULL, ",");
437 		}
438 		if (!errstr && val != NULL) {
439 			wmcoords.miny = (int)strtonum(val,
440 			    -32768, 32767, &errstr);
441 			val = (void *)strtok(NULL, ",");
442 		}
443 		if (!errstr && val != NULL) {
444 			wmcoords.maxy = (int)strtonum(val,
445 			    -32768, 32767, &errstr);
446 			val = (void *)strtok(NULL, ",");
447 		}
448 		if (!errstr && val != NULL) {
449 			wmcoords.swapxy = (int)strtonum(val,
450 			    -32768, 32767, &errstr);
451 			val = (void *)strtok(NULL, ",");
452 		}
453 		if (!errstr && val != NULL) {
454 			wmcoords.resx = (int)strtonum(val,
455 			    0, 32767, &errstr);
456 			val = (void *)strtok(NULL, ",");
457 		}
458 		if (!errstr && val != NULL) {
459 			wmcoords.resy = (int)strtonum(val,
460 			    0, 32767, &errstr);
461 			val = (void *)strtok(NULL, ",");
462 		}
463 		if (errstr)
464 			errx(1, "calibration value is %s", errstr);
465 		if (val != NULL)
466 			errx(1, "too many calibration values");
467 
468 		break;
469 	}
470 	case FMT_STRING:
471 		strlcpy(f->valp, val, WSFONT_NAME_SIZE);
472 		break;
473 	case FMT_CFG:
474 		mousecfg_rd_field((struct wsmouse_parameters *) f->valp, val);
475 		break;
476 	default:
477 		errx(1, "internal error: rd_field: no format %d", f->format);
478 		break;
479 	}
480 }
481 
482 void
483 print_kmap(struct wskbd_map_data *map)
484 {
485 	struct wscons_keymap *mp;
486 	int i;
487 
488 	for (i = 0; i < map->maplen; i++) {
489 		mp = map->map + i;
490 
491 		if (mp->command == KS_voidSymbol &&
492 		    mp->group1[0] == KS_voidSymbol &&
493 		    mp->group1[1] == KS_voidSymbol &&
494 		    mp->group2[0] == KS_voidSymbol &&
495 		    mp->group2[1] == KS_voidSymbol)
496 			continue;
497 		printf("\n");
498 		printf("keycode %u =", i);
499 		if (mp->command != KS_voidSymbol)
500 			printf(" %s", ksym2name(mp->command));
501 		printf(" %s", ksym2name(mp->group1[0]));
502 		if (mp->group1[0] != mp->group1[1] ||
503 		    mp->group1[0] != mp->group2[0] ||
504 		    mp->group1[0] != mp->group2[1]) {
505 			printf(" %s", ksym2name(mp->group1[1]));
506 			if (mp->group1[0] != mp->group2[0] ||
507 			    mp->group1[1] != mp->group2[1]) {
508 				printf(" %s", ksym2name(mp->group2[0]));
509 				printf(" %s", ksym2name(mp->group2[1]));
510 			}
511 		}
512 	}
513 	ksymenc(0);
514 }
515 
516 void
517 print_emul(struct wsdisplay_emultype *emuls)
518 {
519 	struct wsdisplay_emultype e;
520 	int fd,i;
521 	char c='\0';
522 
523 	fd=emuls->idx;
524 	e.idx=0;
525 	i = ioctl(fd, WSDISPLAYIO_GETEMULTYPE, &e);
526 	while(i == 0) {
527 		if (c != '\0')
528 			printf("%c", c);
529 		printf("%s", e.name);
530 		c=',';
531 		e.idx++;
532 		i = ioctl(fd, WSDISPLAYIO_GETEMULTYPE, &e);
533 	}
534 }
535 
536 void
537 print_screen(struct wsdisplay_screentype *screens)
538 {
539 	struct wsdisplay_screentype s;
540 	int fd,i;
541 	char c='\0';
542 
543 	fd=screens->idx;
544 	s.idx=0;
545 	i = ioctl(fd, WSDISPLAYIO_GETSCREENTYPE, &s);
546 	while(i == 0) {
547 		if (c != '\0')
548 			printf("%c", c);
549 		printf("%s", s.name);
550 		c=',';
551 		s.idx++;
552 		i = ioctl(fd, WSDISPLAYIO_GETSCREENTYPE, &s);
553 	}
554 }
555