xref: /openbsd-src/sbin/wsconsctl/util.c (revision 3c80d18d96b48ad6c2163a167d6abfc91cf908fd)
1 /*	$OpenBSD: util.c,v 1.65 2017/09/02 22:09:32 phessler 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 };
98 
99 static const struct nameint dpytype_tab[] = {
100 	{ WSDISPLAY_TYPE_UNKNOWN,	"unknown" },
101 	{ WSDISPLAY_TYPE_PM_MONO,	"dec-pm-mono" },
102 	{ WSDISPLAY_TYPE_PM_COLOR,	"dec-pm-color" },
103 	{ WSDISPLAY_TYPE_CFB,		"dec-cfb" },
104 	{ WSDISPLAY_TYPE_XCFB,		"dec-xcfb" },
105 	{ WSDISPLAY_TYPE_MFB,		"dec-mfb" },
106 	{ WSDISPLAY_TYPE_SFB,		"dec-sfb" },
107 	{ WSDISPLAY_TYPE_ISAVGA,	"vga-isa" },
108 	{ WSDISPLAY_TYPE_PCIVGA,	"vga-pci" },
109 	{ WSDISPLAY_TYPE_TGA,		"dec-tga-pci" },
110 	{ WSDISPLAY_TYPE_SFBP,		"dec-sfb+" },
111 	{ WSDISPLAY_TYPE_PCIMISC,	"generic-pci" },
112 	{ WSDISPLAY_TYPE_NEXTMONO,	"next-mono" },
113 	{ WSDISPLAY_TYPE_PX,		"dec-px" },
114 	{ WSDISPLAY_TYPE_PXG,		"dec-pxg" },
115 	{ WSDISPLAY_TYPE_TX,		"dec-tx" },
116 	{ WSDISPLAY_TYPE_HPCFB,		"generic-hpc" },
117 	{ WSDISPLAY_TYPE_VIDC,		"arm-vidc" },
118 	{ WSDISPLAY_TYPE_SPX,		"dec-spx" },
119 	{ WSDISPLAY_TYPE_GPX,		"dec-gpx" },
120 	{ WSDISPLAY_TYPE_LCG,		"dec-lcg" },
121 	{ WSDISPLAY_TYPE_VAX_MONO,	"dec-mono" },
122 	{ WSDISPLAY_TYPE_SB_P9100,	"p9100" },
123 	{ WSDISPLAY_TYPE_EGA,		"ega" },
124 	{ WSDISPLAY_TYPE_DCPVR,		"powervr" },
125 	{ WSDISPLAY_TYPE_SUN24,		"sun24" },
126 	{ WSDISPLAY_TYPE_SUNBW,		"sunbw" },
127 	{ WSDISPLAY_TYPE_STI,		"hp-sti" },
128 	{ WSDISPLAY_TYPE_SUNCG3,	"suncg3" },
129 	{ WSDISPLAY_TYPE_SUNCG6,	"suncg6" },
130 	{ WSDISPLAY_TYPE_SUNFFB,	"sunffb" },
131 	{ WSDISPLAY_TYPE_SUNCG14,	"suncg14" },
132 	{ WSDISPLAY_TYPE_SUNCG2,	"suncg2" },
133 	{ WSDISPLAY_TYPE_SUNCG4,	"suncg4" },
134 	{ WSDISPLAY_TYPE_SUNCG8,	"suncg8" },
135 	{ WSDISPLAY_TYPE_SUNTCX,	"suntcx" },
136 	{ WSDISPLAY_TYPE_AGTEN,		"agten" },
137 	{ WSDISPLAY_TYPE_XVIDEO,	"xvideo" },
138 	{ WSDISPLAY_TYPE_SUNCG12,	"suncg12" },
139 	{ WSDISPLAY_TYPE_MGX,		"mgx" },
140 	{ WSDISPLAY_TYPE_SB_P9000,	"p9000" },
141 	{ WSDISPLAY_TYPE_RFLEX,		"rasterflex" },
142 	{ WSDISPLAY_TYPE_LUNA,		"luna" },
143 	{ WSDISPLAY_TYPE_DVBOX,		"davinci" },
144 	{ WSDISPLAY_TYPE_GBOX,		"gatorbox" },
145 	{ WSDISPLAY_TYPE_RBOX,		"renaissance" },
146 	{ WSDISPLAY_TYPE_HYPERION,	"hyperion" },
147 	{ WSDISPLAY_TYPE_TOPCAT,	"topcat" },
148 	{ WSDISPLAY_TYPE_PXALCD,	"pxalcd" },
149 	{ WSDISPLAY_TYPE_MAC68K,	"mac68k" },
150 	{ WSDISPLAY_TYPE_SUNLEO,	"sunleo" },
151 	{ WSDISPLAY_TYPE_TVRX,		"tvrx" },
152 	{ WSDISPLAY_TYPE_CFXGA,		"cfxga" },
153 	{ WSDISPLAY_TYPE_LCSPX,		"dec-lcspx" },
154 	{ WSDISPLAY_TYPE_GBE,		"gbe" },
155 	{ WSDISPLAY_TYPE_LEGSS,		"dec-legss" },
156 	{ WSDISPLAY_TYPE_IFB,		"ifb" },
157 	{ WSDISPLAY_TYPE_RAPTOR,	"raptor" },
158 	{ WSDISPLAY_TYPE_DL,		"displaylink" },
159 	{ WSDISPLAY_TYPE_MACHFB,	"mach64" },
160 	{ WSDISPLAY_TYPE_GFXP,		"gfxp" },
161 	{ WSDISPLAY_TYPE_RADEONFB,	"radeon" },
162 	{ WSDISPLAY_TYPE_SMFB,		"smfb" },
163 	{ WSDISPLAY_TYPE_SISFB,		"sisfb" },
164 	{ WSDISPLAY_TYPE_ODYSSEY,	"odyssey" },
165 	{ WSDISPLAY_TYPE_IMPACT,	"impact" },
166 	{ WSDISPLAY_TYPE_GRTWO,		"grtwo" },
167 	{ WSDISPLAY_TYPE_NEWPORT,	"newport" },
168 	{ WSDISPLAY_TYPE_LIGHT,		"light" },
169 	{ WSDISPLAY_TYPE_INTELDRM,	"inteldrm" },
170 	{ WSDISPLAY_TYPE_RADEONDRM,	"radeondrm" },
171 	{ WSDISPLAY_TYPE_EFIFB,		"efifb" }
172 };
173 
174 static const struct nameint kbdenc_tab[] = {
175 	KB_ENCTAB
176 };
177 
178 static const struct nameint kbdvar_tab[] = {
179 	KB_VARTAB
180 };
181 
182 char *int2name(int, int, const struct nameint *, int);
183 int name2int(char *, const struct nameint *, int);
184 void print_kmap(struct wskbd_map_data *);
185 void print_emul(struct wsdisplay_emultype *);
186 void print_screen(struct wsdisplay_screentype *);
187 
188 struct field *
189 field_by_name(struct field *field_tab, char *name)
190 {
191 	const char *p = strchr(name, '.');
192 
193 	if (!p++)
194 		errx(1, "%s: illegal variable name", name);
195 
196 	for (; field_tab->name; field_tab++)
197 		if (strcmp(field_tab->name, p) == 0)
198 			return (field_tab);
199 
200 	errx(1, "%s: not found", name);
201 }
202 
203 struct field *
204 field_by_value(struct field *field_tab, void *addr)
205 {
206 	for (; field_tab->name; field_tab++)
207 		if (field_tab->valp == addr)
208 			return (field_tab);
209 
210 	errx(1, "internal error: field_by_value: not found");
211 }
212 
213 char *
214 int2name(int val, int uflag, const struct nameint *tab, int len)
215 {
216 	static char tmp[20];
217 	int i;
218 
219 	for (i = 0; i < len; i++)
220 		if (tab[i].value == val)
221 			return(tab[i].name);
222 
223 	if (uflag) {
224 		snprintf(tmp, sizeof(tmp), "unknown_%d", val);
225 		return(tmp);
226 	} else
227 		return(NULL);
228 }
229 
230 int
231 name2int(char *val, const struct nameint *tab, int len)
232 {
233 	int i;
234 
235 	for (i = 0; i < len; i++)
236 		if (strcmp(tab[i].name, val) == 0)
237 			return(tab[i].value);
238 	return(-1);
239 }
240 
241 void
242 pr_field(const char *pre, struct field *f, const char *sep)
243 {
244 	struct field_pc *pc;
245 	u_int flags;
246 	int i, n;
247 	char *p;
248 
249 	if (sep)
250 		printf("%s.%s%s", pre, f->name, sep);
251 
252 	switch (f->format) {
253 	case FMT_UINT:
254 		printf("%u", *((u_int *) f->valp));
255 		break;
256 	case FMT_INT:
257 		printf("%d", *((int *) f->valp));
258 		break;
259 	case FMT_BOOL:
260 		printf("%s", *((u_int *) f->valp)? "on" : "off");
261 		break;
262 	case FMT_PC:
263 		pc = f->valp;
264 		i = pc->max - pc->min;
265 		n = pc->cur - pc->min;
266 		printf("%u.%02u%%", n * 100 / i, ((n * 100) % i) * 100 / i);
267 		break;
268 	case FMT_KBDTYPE:
269 		p = int2name(*((u_int *) f->valp), 1,
270 			     kbtype_tab, TABLEN(kbtype_tab));
271 		printf("%s", p);
272 		break;
273 	case FMT_MSTYPE:
274 		p = int2name(*((u_int *) f->valp), 1,
275 			     mstype_tab, TABLEN(mstype_tab));
276 		printf("%s", p);
277 		break;
278 	case FMT_DPYTYPE:
279 		p = int2name(*((u_int *) f->valp), 1,
280 			     dpytype_tab, TABLEN(dpytype_tab));
281 		printf("%s", p);
282 		break;
283 	case FMT_KBDENC:
284 		p = int2name(KB_ENCODING(*((u_int *) f->valp)), 1,
285 			     kbdenc_tab, TABLEN(kbdenc_tab));
286 		printf("%s", p);
287 
288 		flags = KB_VARIANT(*((u_int *) f->valp));
289 		for (i = 0; i < 32; i++) {
290 			if (!(flags & (1 << i)))
291 				continue;
292 			p = int2name(flags & (1 << i), 1,
293 				     kbdvar_tab, TABLEN(kbdvar_tab));
294 			printf(".%s", p);
295 		}
296 		break;
297 	case FMT_KBMAP:
298 		print_kmap((struct wskbd_map_data *) f->valp);
299 		break;
300 	case FMT_SCALE:
301 		printf("%d,%d,%d,%d,%d,%d,%d", wmcoords.minx, wmcoords.maxx,
302 		    wmcoords.miny, wmcoords.maxy, wmcoords.swapxy,
303 		    wmcoords.resx, wmcoords.resy);
304 		break;
305 	case FMT_EMUL:
306 		print_emul((struct wsdisplay_emultype *) f->valp);
307 		break;
308 	case FMT_SCREEN:
309 		print_screen((struct wsdisplay_screentype *) f->valp);
310 		break;
311 	case FMT_STRING:
312 		printf("%s", (const char *)f->valp);
313 		break;
314 	case FMT_CFG:
315 		mousecfg_pr_field((struct wsmouse_parameters *) f->valp);
316 		break;
317 	default:
318 		errx(1, "internal error: pr_field: no format %d", f->format);
319 		break;
320 	}
321 
322 	printf("\n");
323 }
324 
325 void
326 rd_field(struct field *f, char *val, int merge)
327 {
328 	struct wscons_keymap *mp;
329 	struct field_pc *pc;
330 	u_int u, r, fr;
331 	char *p;
332 	int i;
333 
334 	switch (f->format) {
335 	case FMT_UINT:
336 		if (sscanf(val, "%u", &u) != 1)
337 			errx(1, "%s: not a number", val);
338 		if (merge)
339 			*((u_int *) f->valp) += u;
340 		else
341 			*((u_int *) f->valp) = u;
342 		break;
343 	case FMT_INT:
344 		if (sscanf(val, "%d", &i) != 1)
345 			errx(1, "%s: not a number", val);
346 		if (merge)
347 			*((int *) f->valp) += i;
348 		else
349 			*((int *) f->valp) = i;
350 		break;
351 	case FMT_BOOL:
352 		if (*val != 'o' || (val[1] != 'n' &&
353 		    (val[1] != 'f' || val[2] != 'f')))
354 			errx(1, "%s: invalid value (on/off)", val);
355 		*((u_int *) f->valp) = val[1] == 'n'? 1 : 0;
356 		break;
357 	case FMT_PC:
358 		fr = 0;
359 		if ((i = sscanf(val, "%u.%u%%", &u, &fr)) != 2 && i != 1)
360 			errx(1, "%s: not a valid number", val);
361 		pc = f->valp;
362 		r = pc->max - pc->min;
363 		i = pc->min + (r * u) / 100 + (r * fr) / 100 / 100;
364 		if (merge == '+')
365 			pc->cur += i;
366 		else if (merge == '-')
367 			pc->cur -= i;
368 		else
369 			pc->cur = i;
370 		if (pc->cur > pc->max)
371 			pc->cur = pc->max;
372 		if (pc->cur < pc->min)
373 			pc->cur = pc->min;
374 		break;
375 	case FMT_KBDENC:
376 		p = strchr(val, '.');
377 		if (p != NULL)
378 			*p++ = '\0';
379 
380 		i = name2int(val, kbdenc_tab, TABLEN(kbdenc_tab));
381 		if (i == -1)
382 			errx(1, "%s: not a valid encoding", val);
383 		*((u_int *) f->valp) = i;
384 
385 		while (p) {
386 			val = p;
387 			p = strchr(p, '.');
388 			if (p != NULL)
389 				*p++ = '\0';
390 			i = name2int(val, kbdvar_tab, TABLEN(kbdvar_tab));
391 			if (i == -1)
392 				errx(1, "%s: not a valid variant", val);
393 			*((u_int *) f->valp) |= i;
394 		}
395 		break;
396 	case FMT_KBMAP:
397 		if (! merge)
398 			kbmap.maplen = 0;
399 		map_scan_setinput(val);
400 		yyparse();
401 		if (merge) {
402 			if (newkbmap.maplen < kbmap.maplen)
403 				newkbmap.maplen = kbmap.maplen;
404 			for (i = 0; i < kbmap.maplen; i++) {
405 				mp = newkbmap.map + i;
406 				if (mp->command == KS_voidSymbol &&
407 				    mp->group1[0] == KS_voidSymbol &&
408 				    mp->group1[1] == KS_voidSymbol &&
409 				    mp->group2[0] == KS_voidSymbol &&
410 				    mp->group2[1] == KS_voidSymbol)
411 					*mp = kbmap.map[i];
412 			}
413 		}
414 		kbmap.maplen = newkbmap.maplen;
415 		bcopy(newkbmap.map, kbmap.map,
416 		      kbmap.maplen*sizeof(struct wscons_keymap));
417 		break;
418 	case FMT_SCALE:
419 	{
420 		const char *errstr = 0;
421 
422 		/* Unspecified values default to 0. */
423 		bzero(&wmcoords, sizeof(wmcoords));
424 		val = (void *)strtok(val, ",");
425 		if (val != NULL) {
426 			wmcoords.minx = (int)strtonum(val,
427 			    -32768, 32767, &errstr);
428 			val = (void *)strtok(NULL, ",");
429 		}
430 		if (!errstr && val != NULL) {
431 			wmcoords.maxx = (int)strtonum(val,
432 			    -32768, 32767, &errstr);
433 			val = (void *)strtok(NULL, ",");
434 		}
435 		if (!errstr && val != NULL) {
436 			wmcoords.miny = (int)strtonum(val,
437 			    -32768, 32767, &errstr);
438 			val = (void *)strtok(NULL, ",");
439 		}
440 		if (!errstr && val != NULL) {
441 			wmcoords.maxy = (int)strtonum(val,
442 			    -32768, 32767, &errstr);
443 			val = (void *)strtok(NULL, ",");
444 		}
445 		if (!errstr && val != NULL) {
446 			wmcoords.swapxy = (int)strtonum(val,
447 			    -32768, 32767, &errstr);
448 			val = (void *)strtok(NULL, ",");
449 		}
450 		if (!errstr && val != NULL) {
451 			wmcoords.resx = (int)strtonum(val,
452 			    0, 32767, &errstr);
453 			val = (void *)strtok(NULL, ",");
454 		}
455 		if (!errstr && val != NULL) {
456 			wmcoords.resy = (int)strtonum(val,
457 			    0, 32767, &errstr);
458 			val = (void *)strtok(NULL, ",");
459 		}
460 		if (errstr)
461 			errx(1, "calibration value is %s", errstr);
462 		if (val != NULL)
463 			errx(1, "too many calibration values");
464 
465 		break;
466 	}
467 	case FMT_STRING:
468 		strlcpy(f->valp, val, WSFONT_NAME_SIZE);
469 		break;
470 	case FMT_CFG:
471 		mousecfg_rd_field((struct wsmouse_parameters *) f->valp, val);
472 		break;
473 	default:
474 		errx(1, "internal error: rd_field: no format %d", f->format);
475 		break;
476 	}
477 }
478 
479 void
480 print_kmap(struct wskbd_map_data *map)
481 {
482 	struct wscons_keymap *mp;
483 	int i;
484 
485 	for (i = 0; i < map->maplen; i++) {
486 		mp = map->map + i;
487 
488 		if (mp->command == KS_voidSymbol &&
489 		    mp->group1[0] == KS_voidSymbol &&
490 		    mp->group1[1] == KS_voidSymbol &&
491 		    mp->group2[0] == KS_voidSymbol &&
492 		    mp->group2[1] == KS_voidSymbol)
493 			continue;
494 		printf("\n");
495 		printf("keycode %u =", i);
496 		if (mp->command != KS_voidSymbol)
497 			printf(" %s", ksym2name(mp->command));
498 		printf(" %s", ksym2name(mp->group1[0]));
499 		if (mp->group1[0] != mp->group1[1] ||
500 		    mp->group1[0] != mp->group2[0] ||
501 		    mp->group1[0] != mp->group2[1]) {
502 			printf(" %s", ksym2name(mp->group1[1]));
503 			if (mp->group1[0] != mp->group2[0] ||
504 			    mp->group1[1] != mp->group2[1]) {
505 				printf(" %s", ksym2name(mp->group2[0]));
506 				printf(" %s", ksym2name(mp->group2[1]));
507 			}
508 		}
509 	}
510 	ksymenc(0);
511 }
512 
513 void
514 print_emul(struct wsdisplay_emultype *emuls)
515 {
516 	struct wsdisplay_emultype e;
517 	int fd,i;
518 	char c='\0';
519 
520 	fd=emuls->idx;
521 	e.idx=0;
522 	i = ioctl(fd, WSDISPLAYIO_GETEMULTYPE, &e);
523 	while(i == 0) {
524 		if (c != '\0')
525 			printf("%c", c);
526 		printf("%s", e.name);
527 		c=',';
528 		e.idx++;
529 		i = ioctl(fd, WSDISPLAYIO_GETEMULTYPE, &e);
530 	}
531 }
532 
533 void
534 print_screen(struct wsdisplay_screentype *screens)
535 {
536 	struct wsdisplay_screentype s;
537 	int fd,i;
538 	char c='\0';
539 
540 	fd=screens->idx;
541 	s.idx=0;
542 	i = ioctl(fd, WSDISPLAYIO_GETSCREENTYPE, &s);
543 	while(i == 0) {
544 		if (c != '\0')
545 			printf("%c", c);
546 		printf("%s", s.name);
547 		c=',';
548 		s.idx++;
549 		i = ioctl(fd, WSDISPLAYIO_GETSCREENTYPE, &s);
550 	}
551 }
552