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util.c revision 1.24
      1 /*	$NetBSD: util.c,v 1.24 2006/02/05 17:38:33 jmmv Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998, 2006 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Juergen Hannken-Illjes and Julio M. Merino Vidal.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/time.h>
     40 #include <dev/wscons/wsconsio.h>
     41 #include <dev/wscons/wsksymdef.h>
     42 
     43 #include <err.h>
     44 #include <errno.h>
     45 #include <limits.h>
     46 #include <stdio.h>
     47 #include <stdlib.h>
     48 #include <string.h>
     49 #include <unistd.h>
     50 
     51 #include "wsconsctl.h"
     52 
     53 #define TABLEN(t)		(sizeof(t)/sizeof(t[0]))
     54 
     55 extern struct wskbd_map_data kbmap;	/* from keyboard.c */
     56 extern struct wskbd_map_data newkbmap;	/* from map_parse.y */
     57 
     58 struct nameint {
     59 	int value;
     60 	const char *name;
     61 };
     62 
     63 static struct nameint kbtype_tab[] = {
     64 	{ WSKBD_TYPE_LK201,		"lk201" },
     65 	{ WSKBD_TYPE_LK401,		"lk401" },
     66 	{ WSKBD_TYPE_PC_XT,		"pc-xt" },
     67 	{ WSKBD_TYPE_PC_AT,		"pc-at" },
     68 	{ WSKBD_TYPE_USB,		"usb" },
     69 	{ WSKBD_TYPE_HPC_KBD,		"hpc-kbd" },
     70 	{ WSKBD_TYPE_HPC_BTN,		"hpc-btn" },
     71 	{ WSKBD_TYPE_ARCHIMEDES,	"archimedes" },
     72 	{ WSKBD_TYPE_RISCPC,		"riscpc" },
     73 	{ WSKBD_TYPE_ADB,		"adb" },
     74 	{ WSKBD_TYPE_HIL,		"hil" },
     75 	{ WSKBD_TYPE_AMIGA,		"amiga" },
     76 	{ WSKBD_TYPE_MAPLE,		"maple" },
     77 	{ WSKBD_TYPE_ATARI,		"atari" },
     78 	{ WSKBD_TYPE_SUN,		"sun" },
     79 	{ WSKBD_TYPE_SUN5,		"sun-type5" },
     80 	{ WSKBD_TYPE_SGI,		"sgi" },
     81 	{ WSKBD_TYPE_MATRIXKP,		"matrix-keypad" },
     82 };
     83 
     84 static struct nameint mstype_tab[] = {
     85 	{ WSMOUSE_TYPE_VSXXX,		"dec-tc" },
     86 	{ WSMOUSE_TYPE_PS2,		"ps2" },
     87 	{ WSMOUSE_TYPE_USB,		"usb" },
     88 	{ WSMOUSE_TYPE_LMS,		"logitech-bus" },
     89 	{ WSMOUSE_TYPE_MMS,		"ms-inport" },
     90 	{ WSMOUSE_TYPE_TPANEL,		"touch-panel" },
     91 	{ WSMOUSE_TYPE_NEXT,		"next" },
     92 	{ WSMOUSE_TYPE_ARCHIMEDES,	"archimedes" },
     93 	{ WSMOUSE_TYPE_HIL,		"hil" },
     94 	{ WSMOUSE_TYPE_AMIGA,		"amiga" },
     95 	{ WSMOUSE_TYPE_MAXINE,		"dec-maxine" },
     96 	{ WSMOUSE_TYPE_MAPLE,		"maple" },
     97 };
     98 
     99 static 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-vax-mono" },
    122 	{ WSDISPLAY_TYPE_SB_P9100,	"sparcbook-p9100" },
    123 	{ WSDISPLAY_TYPE_EGA,		"ega" },
    124 	{ WSDISPLAY_TYPE_DCPVR,		"dreamcast-pvr" },
    125 	{ WSDISPLAY_TYPE_GATOR,		"hp-gator" },
    126 	{ WSDISPLAY_TYPE_TOPCAT,	"hp-topcat" },
    127 	{ WSDISPLAY_TYPE_RENAISSANCE,	"hp-renaissance" },
    128 	{ WSDISPLAY_TYPE_CATSEYE,	"hp-catseye" },
    129 	{ WSDISPLAY_TYPE_DAVINCI,	"hp-davinci" },
    130 	{ WSDISPLAY_TYPE_TIGER,		"hp-tiger" },
    131 	{ WSDISPLAY_TYPE_HYPERION,	"hp-hyperion" },
    132 	{ WSDISPLAY_TYPE_AMIGACC,	"amiga-cc" },
    133 	{ WSDISPLAY_TYPE_SUN24,		"sun24" },
    134 	{ WSDISPLAY_TYPE_NEWPORT,	"sgi-newport" },
    135 	{ WSDISPLAY_TYPE_GR2,		"sgi-gr2" },
    136 	{ WSDISPLAY_TYPE_SUNCG12,	"suncg12" },
    137 	{ WSDISPLAY_TYPE_SUNCG14,	"suncg14" },
    138 	{ WSDISPLAY_TYPE_SUNTCX,	"suntcx" },
    139 	{ WSDISPLAY_TYPE_SUNFFB,	"sunffb" },
    140 };
    141 
    142 static struct nameint kbdenc_tab[] = {
    143 	KB_ENCTAB
    144 };
    145 
    146 static struct nameint kbdvar_tab[] = {
    147 	KB_VARTAB
    148 };
    149 
    150 static struct nameint color_tab[] = {
    151 	{ WSCOL_UNSUPPORTED,		"unsupported" },
    152 	{ WSCOL_BLACK,			"black" },
    153 	{ WSCOL_RED,			"red" },
    154 	{ WSCOL_GREEN,			"green" },
    155 	{ WSCOL_BROWN,			"brown" },
    156 	{ WSCOL_BLUE,			"blue" },
    157 	{ WSCOL_MAGENTA,		"magenta" },
    158 	{ WSCOL_CYAN,			"cyan" },
    159 	{ WSCOL_WHITE,			"white" },
    160 };
    161 
    162 static struct nameint attr_tab[] = {
    163 	{ WSATTR_NONE,			"none" },
    164 	{ WSATTR_REVERSE,		"reverse" },
    165 	{ WSATTR_HILIT,			"hilit" },
    166 	{ WSATTR_BLINK,			"blink" },
    167 	{ WSATTR_UNDERLINE,		"underline" },
    168 	{ WSATTR_WSCOLORS,		"color" },
    169 };
    170 
    171 static struct field *field_tab;
    172 static int field_tab_len;
    173 
    174 static const char *int2name(int, int, struct nameint *, int);
    175 static int name2int(char *, struct nameint *, int);
    176 static void print_kmap(struct wskbd_map_data *);
    177 static unsigned int rd_bitfield(const char *);
    178 static void pr_bitfield(unsigned int);
    179 
    180 void
    181 field_setup(struct field *ftab, int len)
    182 {
    183 	field_tab = ftab;
    184 	field_tab_len = len;
    185 }
    186 
    187 struct field *
    188 field_by_name(char *name)
    189 {
    190 	int i;
    191 
    192 	for (i = 0; i < field_tab_len; i++)
    193 		if (strcmp(field_tab[i].name, name) == 0)
    194 			return(field_tab + i);
    195 
    196 	errx(1, "%s: not found", name);
    197 }
    198 
    199 struct field *
    200 field_by_value(void *addr)
    201 {
    202 	int i;
    203 
    204 	for (i = 0; i < field_tab_len; i++)
    205 		if (field_tab[i].valp == addr)
    206 			return(field_tab + i);
    207 
    208 	errx(1, "internal error: field_by_value: not found");
    209 }
    210 
    211 void
    212 field_disable_by_value(void *addr)
    213 {
    214 	struct field *f;
    215 
    216 	f = field_by_value(addr);
    217 	f->flags |= FLG_DISABLED;
    218 }
    219 
    220 static const char *
    221 int2name(int val, int uflag, struct nameint *tab, int len)
    222 {
    223 	static char tmp[20];
    224 	int i;
    225 
    226 	for (i = 0; i < len; i++)
    227 		if (tab[i].value == val)
    228 			return(tab[i].name);
    229 
    230 	if (uflag) {
    231 		snprintf(tmp, sizeof(tmp), "unknown_%d", val);
    232 		return(tmp);
    233 	} else
    234 		return(NULL);
    235 }
    236 
    237 static int
    238 name2int(char *val, struct nameint *tab, int len)
    239 {
    240 	int i;
    241 
    242 	for (i = 0; i < len; i++)
    243 		if (strcmp(tab[i].name, val) == 0)
    244 			return(tab[i].value);
    245 	return(-1);
    246 }
    247 
    248 void
    249 pr_field(struct field *f, const char *sep)
    250 {
    251 	const char *p;
    252 	u_int flags;
    253 	int first, i, mask;
    254 
    255 	if (sep)
    256 		printf("%s%s", f->name, sep);
    257 
    258 	switch (f->format) {
    259 	case FMT_UINT:
    260 		printf("%u", *((u_int *) f->valp));
    261 		break;
    262 	case FMT_STRING:
    263 		printf("\"%s\"", *((char **) f->valp));
    264 		break;
    265 	case FMT_BITFIELD:
    266 		pr_bitfield(*((unsigned int *) f->valp));
    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_COLOR:
    301 		p = int2name(*((u_int *) f->valp), 1,
    302 			     color_tab, TABLEN(color_tab));
    303 		printf("%s", p);
    304 		break;
    305 	case FMT_ATTRS:
    306 		mask = 0x10;
    307 		first = 1;
    308 		while (mask > 0) {
    309 			if (*((u_int *) f->valp) & mask) {
    310 				p = int2name(*((u_int *) f->valp) & mask, 1,
    311 					     attr_tab, TABLEN(attr_tab));
    312 				printf("%s%s", first ? "" : ",", p);
    313 				first = 0;
    314 			}
    315 			mask >>= 1;
    316 		}
    317 		if (first)
    318 			printf("none");
    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 static void
    329 pr_bitfield(unsigned int f)
    330 {
    331 
    332 	if (f == 0)
    333 		printf("none");
    334 	else {
    335 		int i, first, mask;
    336 
    337 		for (i = 0, first = 1, mask = 1; i < sizeof(f) * 8; i++) {
    338 			if (f & mask) {
    339 				printf("%s%d", first ? "" : " ", i);
    340 				first = 0;
    341 			}
    342 			mask = mask << 1;
    343 		}
    344 	}
    345 }
    346 
    347 void
    348 rd_field(struct field *f, char *val, int merge)
    349 {
    350 	int i;
    351 	u_int u;
    352 	char *p;
    353 	struct wscons_keymap *mp;
    354 
    355 	switch (f->format) {
    356 	case FMT_UINT:
    357 		if (sscanf(val, "%u", &u) != 1)
    358 			errx(1, "%s: not a number", val);
    359 		if (merge)
    360 			*((u_int *) f->valp) += u;
    361 		else
    362 			*((u_int *) f->valp) = u;
    363 		break;
    364 	case FMT_STRING:
    365 		if ((*((char **) f->valp) = strdup(val)) == NULL)
    366 			err(1, "strdup");
    367 		break;
    368 	case FMT_BITFIELD:
    369 		*((unsigned int *) f->valp) = rd_bitfield(val);
    370 		break;
    371 	case FMT_KBDENC:
    372 		p = strchr(val, '.');
    373 		if (p != NULL)
    374 			*p++ = '\0';
    375 
    376 		i = name2int(val, kbdenc_tab, TABLEN(kbdenc_tab));
    377 		if (i == -1)
    378 			errx(1, "%s: not a valid encoding", val);
    379 		*((u_int *) f->valp) = i;
    380 
    381 		while (p) {
    382 			val = p;
    383 			p = strchr(p, '.');
    384 			if (p != NULL)
    385 				*p++ = '\0';
    386 			i = name2int(val, kbdvar_tab, TABLEN(kbdvar_tab));
    387 			if (i == -1)
    388 				errx(1, "%s: not a valid variant", val);
    389 			*((u_int *) f->valp) |= i;
    390 		}
    391 		break;
    392 	case FMT_KBMAP:
    393 		if (! merge)
    394 			kbmap.maplen = 0;
    395 		map_scan_setinput(val);
    396 		yyparse();
    397 		if (merge) {
    398 			if (newkbmap.maplen < kbmap.maplen)
    399 				newkbmap.maplen = kbmap.maplen;
    400 			for (i = 0; i < kbmap.maplen; i++) {
    401 				mp = newkbmap.map + i;
    402 				if (mp->command == KS_voidSymbol &&
    403 				    mp->group1[0] == KS_voidSymbol &&
    404 				    mp->group1[1] == KS_voidSymbol &&
    405 				    mp->group2[0] == KS_voidSymbol &&
    406 				    mp->group2[1] == KS_voidSymbol)
    407 					*mp = kbmap.map[i];
    408 			}
    409 		}
    410 		kbmap.maplen = newkbmap.maplen;
    411 		bcopy(newkbmap.map, kbmap.map,
    412 		      kbmap.maplen*sizeof(struct wscons_keymap));
    413 		break;
    414 	case FMT_COLOR:
    415 		i = name2int(val, color_tab, TABLEN(color_tab));
    416 		if (i == -1)
    417 			errx(1, "%s: not a valid color", val);
    418 		*((u_int *) f->valp) = i;
    419 		break;
    420 	case FMT_ATTRS:
    421 		p = val;
    422 		while (p) {
    423 			val = p;
    424 			p = strchr(p, ',');
    425 			if (p != NULL)
    426 				*p++ = '\0';
    427 			i = name2int(val, attr_tab, TABLEN(attr_tab));
    428 			if (i == -1)
    429 				errx(1, "%s: not a valid attribute", val);
    430 			*((u_int *) f->valp) |= i;
    431 		}
    432 		break;
    433 	default:
    434 		errx(1, "internal error: rd_field: no format %d", f->format);
    435 		break;
    436 	}
    437 }
    438 
    439 static unsigned int
    440 rd_bitfield(const char *str)
    441 {
    442 	const char *ptr;
    443 	char *ep;
    444 	long lval;
    445 	unsigned int result;
    446 
    447 	ep = NULL;
    448 	ptr = str;
    449 	result = 0;
    450 	while (*ptr != '\0') {
    451 		errno = 0;
    452 		lval = strtol(ptr, &ep, 10);
    453 		if (*ep != '\0' && *ep != ' ')
    454 			errx(1, "%s: not a valid number list", str);
    455 		if (errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN))
    456 			errx(1, "%s: not a valid number list", str);
    457 		if (lval >= sizeof(result) * 8)
    458 			errx(1, "%ld: number out of range", lval);
    459 		result |= (1 << lval);
    460 
    461 		ptr = ep;
    462 		while (*ptr == ' ')
    463 			ptr++;
    464 	}
    465 
    466 	return result;
    467 }
    468 
    469 static void
    470 print_kmap(struct wskbd_map_data *map)
    471 {
    472 	int i;
    473 	struct wscons_keymap *mp;
    474 
    475 	for (i = 0; i < map->maplen; i++) {
    476 		mp = map->map + i;
    477 
    478 		if (mp->command == KS_voidSymbol &&
    479 		    mp->group1[0] == KS_voidSymbol &&
    480 		    mp->group1[1] == KS_voidSymbol &&
    481 		    mp->group2[0] == KS_voidSymbol &&
    482 		    mp->group2[1] == KS_voidSymbol)
    483 			continue;
    484 		printf("\n");
    485 		printf("keycode %u =", i);
    486 		if (mp->command != KS_voidSymbol)
    487 			printf(" %s", ksym2name(mp->command));
    488 		printf(" %s", ksym2name(mp->group1[0]));
    489 		if (mp->group1[0] != mp->group1[1] ||
    490 		    mp->group1[0] != mp->group2[0] ||
    491 		    mp->group1[0] != mp->group2[1]) {
    492 			printf(" %s", ksym2name(mp->group1[1]));
    493 			if (mp->group1[0] != mp->group2[0] ||
    494 			    mp->group1[1] != mp->group2[1]) {
    495 				printf(" %s", ksym2name(mp->group2[0]));
    496 				printf(" %s", ksym2name(mp->group2[1]));
    497 			}
    498 		}
    499 	}
    500 }
    501