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util.c revision 1.25
      1 /*	$NetBSD: util.c,v 1.25 2006/02/05 18:11:46 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 
     41 #include <dev/wscons/wsconsio.h>
     42 #include <dev/wscons/wsksymdef.h>
     43 
     44 #include <err.h>
     45 #include <errno.h>
     46 #include <limits.h>
     47 #include <stdio.h>
     48 #include <stdlib.h>
     49 #include <string.h>
     50 #include <unistd.h>
     51 
     52 #include "wsconsctl.h"
     53 
     54 #define TABLEN(t)		(sizeof(t)/sizeof(t[0]))
     55 
     56 extern struct wskbd_map_data kbmap;	/* from keyboard.c */
     57 extern struct wskbd_map_data newkbmap;	/* from map_parse.y */
     58 
     59 struct nameint {
     60 	int value;
     61 	const char *name;
     62 };
     63 
     64 static struct nameint kbtype_tab[] = {
     65 	{ WSKBD_TYPE_LK201,		"lk201" },
     66 	{ WSKBD_TYPE_LK401,		"lk401" },
     67 	{ WSKBD_TYPE_PC_XT,		"pc-xt" },
     68 	{ WSKBD_TYPE_PC_AT,		"pc-at" },
     69 	{ WSKBD_TYPE_USB,		"usb" },
     70 	{ WSKBD_TYPE_HPC_KBD,		"hpc-kbd" },
     71 	{ WSKBD_TYPE_HPC_BTN,		"hpc-btn" },
     72 	{ WSKBD_TYPE_ARCHIMEDES,	"archimedes" },
     73 	{ WSKBD_TYPE_RISCPC,		"riscpc" },
     74 	{ WSKBD_TYPE_ADB,		"adb" },
     75 	{ WSKBD_TYPE_HIL,		"hil" },
     76 	{ WSKBD_TYPE_AMIGA,		"amiga" },
     77 	{ WSKBD_TYPE_MAPLE,		"maple" },
     78 	{ WSKBD_TYPE_ATARI,		"atari" },
     79 	{ WSKBD_TYPE_SUN,		"sun" },
     80 	{ WSKBD_TYPE_SUN5,		"sun-type5" },
     81 	{ WSKBD_TYPE_SGI,		"sgi" },
     82 	{ WSKBD_TYPE_MATRIXKP,		"matrix-keypad" },
     83 };
     84 
     85 static struct nameint mstype_tab[] = {
     86 	{ WSMOUSE_TYPE_VSXXX,		"dec-tc" },
     87 	{ WSMOUSE_TYPE_PS2,		"ps2" },
     88 	{ WSMOUSE_TYPE_USB,		"usb" },
     89 	{ WSMOUSE_TYPE_LMS,		"logitech-bus" },
     90 	{ WSMOUSE_TYPE_MMS,		"ms-inport" },
     91 	{ WSMOUSE_TYPE_TPANEL,		"touch-panel" },
     92 	{ WSMOUSE_TYPE_NEXT,		"next" },
     93 	{ WSMOUSE_TYPE_ARCHIMEDES,	"archimedes" },
     94 	{ WSMOUSE_TYPE_HIL,		"hil" },
     95 	{ WSMOUSE_TYPE_AMIGA,		"amiga" },
     96 	{ WSMOUSE_TYPE_MAXINE,		"dec-maxine" },
     97 	{ WSMOUSE_TYPE_MAPLE,		"maple" },
     98 };
     99 
    100 static struct nameint dpytype_tab[] = {
    101 	{ WSDISPLAY_TYPE_UNKNOWN,	"unknown" },
    102 	{ WSDISPLAY_TYPE_PM_MONO,	"dec-pm-mono" },
    103 	{ WSDISPLAY_TYPE_PM_COLOR,	"dec-pm-color" },
    104 	{ WSDISPLAY_TYPE_CFB,		"dec-cfb" },
    105 	{ WSDISPLAY_TYPE_XCFB,		"dec-xcfb" },
    106 	{ WSDISPLAY_TYPE_MFB,		"dec-mfb" },
    107 	{ WSDISPLAY_TYPE_SFB,		"dec-sfb" },
    108 	{ WSDISPLAY_TYPE_ISAVGA,	"vga-isa" },
    109 	{ WSDISPLAY_TYPE_PCIVGA,	"vga-pci" },
    110 	{ WSDISPLAY_TYPE_TGA,		"dec-tga-pci" },
    111 	{ WSDISPLAY_TYPE_SFBP,		"dec-sfb+" },
    112 	{ WSDISPLAY_TYPE_PCIMISC,	"generic-pci" },
    113 	{ WSDISPLAY_TYPE_NEXTMONO,	"next-mono" },
    114 	{ WSDISPLAY_TYPE_PX,		"dec-px" },
    115 	{ WSDISPLAY_TYPE_PXG,		"dec-pxg" },
    116 	{ WSDISPLAY_TYPE_TX,		"dec-tx" },
    117 	{ WSDISPLAY_TYPE_HPCFB,		"generic-hpc" },
    118 	{ WSDISPLAY_TYPE_VIDC,		"arm-vidc" },
    119 	{ WSDISPLAY_TYPE_SPX,		"dec-spx" },
    120 	{ WSDISPLAY_TYPE_GPX,		"dec-gpx" },
    121 	{ WSDISPLAY_TYPE_LCG,		"dec-lcg" },
    122 	{ WSDISPLAY_TYPE_VAX_MONO,	"dec-vax-mono" },
    123 	{ WSDISPLAY_TYPE_SB_P9100,	"sparcbook-p9100" },
    124 	{ WSDISPLAY_TYPE_EGA,		"ega" },
    125 	{ WSDISPLAY_TYPE_DCPVR,		"dreamcast-pvr" },
    126 	{ WSDISPLAY_TYPE_GATOR,		"hp-gator" },
    127 	{ WSDISPLAY_TYPE_TOPCAT,	"hp-topcat" },
    128 	{ WSDISPLAY_TYPE_RENAISSANCE,	"hp-renaissance" },
    129 	{ WSDISPLAY_TYPE_CATSEYE,	"hp-catseye" },
    130 	{ WSDISPLAY_TYPE_DAVINCI,	"hp-davinci" },
    131 	{ WSDISPLAY_TYPE_TIGER,		"hp-tiger" },
    132 	{ WSDISPLAY_TYPE_HYPERION,	"hp-hyperion" },
    133 	{ WSDISPLAY_TYPE_AMIGACC,	"amiga-cc" },
    134 	{ WSDISPLAY_TYPE_SUN24,		"sun24" },
    135 	{ WSDISPLAY_TYPE_NEWPORT,	"sgi-newport" },
    136 	{ WSDISPLAY_TYPE_GR2,		"sgi-gr2" },
    137 	{ WSDISPLAY_TYPE_SUNCG12,	"suncg12" },
    138 	{ WSDISPLAY_TYPE_SUNCG14,	"suncg14" },
    139 	{ WSDISPLAY_TYPE_SUNTCX,	"suntcx" },
    140 	{ WSDISPLAY_TYPE_SUNFFB,	"sunffb" },
    141 };
    142 
    143 static struct nameint kbdenc_tab[] = {
    144 	KB_ENCTAB
    145 };
    146 
    147 static struct nameint kbdvar_tab[] = {
    148 	KB_VARTAB
    149 };
    150 
    151 static struct nameint color_tab[] = {
    152 	{ WSCOL_UNSUPPORTED,		"unsupported" },
    153 	{ WSCOL_BLACK,			"black" },
    154 	{ WSCOL_RED,			"red" },
    155 	{ WSCOL_GREEN,			"green" },
    156 	{ WSCOL_BROWN,			"brown" },
    157 	{ WSCOL_BLUE,			"blue" },
    158 	{ WSCOL_MAGENTA,		"magenta" },
    159 	{ WSCOL_CYAN,			"cyan" },
    160 	{ WSCOL_WHITE,			"white" },
    161 };
    162 
    163 static struct nameint attr_tab[] = {
    164 	{ WSATTR_NONE,			"none" },
    165 	{ WSATTR_REVERSE,		"reverse" },
    166 	{ WSATTR_HILIT,			"hilit" },
    167 	{ WSATTR_BLINK,			"blink" },
    168 	{ WSATTR_UNDERLINE,		"underline" },
    169 	{ WSATTR_WSCOLORS,		"color" },
    170 };
    171 
    172 static struct field *field_tab;
    173 static int field_tab_len;
    174 
    175 static const char *int2name(int, int, struct nameint *, int);
    176 static int name2int(char *, struct nameint *, int);
    177 static void print_kmap(struct wskbd_map_data *);
    178 static unsigned int rd_bitfield(const char *);
    179 static void pr_bitfield(unsigned int);
    180 
    181 void
    182 field_setup(struct field *ftab, int len)
    183 {
    184 
    185 	field_tab = ftab;
    186 	field_tab_len = len;
    187 }
    188 
    189 struct field *
    190 field_by_name(char *name)
    191 {
    192 	int i;
    193 
    194 	for (i = 0; i < field_tab_len; i++)
    195 		if (strcmp(field_tab[i].name, name) == 0)
    196 			return field_tab + i;
    197 
    198 	errx(EXIT_FAILURE, "%s: not found", name);
    199 }
    200 
    201 struct field *
    202 field_by_value(void *addr)
    203 {
    204 	int i;
    205 
    206 	for (i = 0; i < field_tab_len; i++)
    207 		if (field_tab[i].valp == addr)
    208 			return field_tab + i;
    209 
    210 	errx(EXIT_FAILURE, "internal error: field_by_value: not found");
    211 }
    212 
    213 void
    214 field_disable_by_value(void *addr)
    215 {
    216 	struct field *f;
    217 
    218 	f = field_by_value(addr);
    219 	f->flags |= FLG_DISABLED;
    220 }
    221 
    222 static const char *
    223 int2name(int val, int uflag, struct nameint *tab, int len)
    224 {
    225 	static char tmp[20];
    226 	int i;
    227 
    228 	for (i = 0; i < len; i++)
    229 		if (tab[i].value == val)
    230 			return tab[i].name;
    231 
    232 	if (uflag) {
    233 		(void)snprintf(tmp, sizeof(tmp), "unknown_%d", val);
    234 		return tmp;
    235 	} else
    236 		return NULL;
    237 }
    238 
    239 static int
    240 name2int(char *val, struct nameint *tab, int len)
    241 {
    242 	int i;
    243 
    244 	for (i = 0; i < len; i++)
    245 		if (strcmp(tab[i].name, val) == 0)
    246 			return tab[i].value;
    247 	return -1;
    248 }
    249 
    250 void
    251 pr_field(struct field *f, const char *sep)
    252 {
    253 	const char *p;
    254 	unsigned int flags;
    255 	int first, i, mask;
    256 
    257 	if (sep)
    258 		(void)printf("%s%s", f->name, sep);
    259 
    260 	switch (f->format) {
    261 	case FMT_UINT:
    262 		(void)printf("%u", *((unsigned int *) f->valp));
    263 		break;
    264 	case FMT_STRING:
    265 		(void)printf("\"%s\"", *((char **) f->valp));
    266 		break;
    267 	case FMT_BITFIELD:
    268 		pr_bitfield(*((unsigned int *) f->valp));
    269 		break;
    270 	case FMT_KBDTYPE:
    271 		p = int2name(*((unsigned int *) f->valp), 1,
    272 		    kbtype_tab, TABLEN(kbtype_tab));
    273 		(void)printf("%s", p);
    274 		break;
    275 	case FMT_MSTYPE:
    276 		p = int2name(*((unsigned int *) f->valp), 1,
    277 		    mstype_tab, TABLEN(mstype_tab));
    278 		(void)printf("%s", p);
    279 		break;
    280 	case FMT_DPYTYPE:
    281 		p = int2name(*((unsigned int *) f->valp), 1,
    282 		    dpytype_tab, TABLEN(dpytype_tab));
    283 		(void)printf("%s", p);
    284 		break;
    285 	case FMT_KBDENC:
    286 		p = int2name(KB_ENCODING(*((unsigned int *) f->valp)), 1,
    287 		    kbdenc_tab, TABLEN(kbdenc_tab));
    288 		(void)printf("%s", p);
    289 
    290 		flags = KB_VARIANT(*((unsigned int *) f->valp));
    291 		for (i = 0; i < 32; i++) {
    292 			if (!(flags & (1 << i)))
    293 				continue;
    294 			p = int2name(flags & (1 << i), 1,
    295 			    kbdvar_tab, TABLEN(kbdvar_tab));
    296 			(void)printf(".%s", p);
    297 		}
    298 		break;
    299 	case FMT_KBMAP:
    300 		print_kmap((struct wskbd_map_data *) f->valp);
    301 		break;
    302 	case FMT_COLOR:
    303 		p = int2name(*((unsigned int *) f->valp), 1,
    304 		    color_tab, TABLEN(color_tab));
    305 		(void)printf("%s", p);
    306 		break;
    307 	case FMT_ATTRS:
    308 		mask = 0x10;
    309 		first = 1;
    310 		while (mask > 0) {
    311 			if (*((unsigned int *) f->valp) & mask) {
    312 				p = int2name(*((unsigned int *) f->valp) & mask,
    313 				    1, attr_tab, TABLEN(attr_tab));
    314 				(void)printf("%s%s", first ? "" : ",", p);
    315 				first = 0;
    316 			}
    317 			mask >>= 1;
    318 		}
    319 		if (first)
    320 			(void)printf("none");
    321 		break;
    322 	default:
    323 		errx(EXIT_FAILURE, "internal error: pr_field: no format %d",
    324 		    f->format);
    325 		break;
    326 	}
    327 
    328 	(void)printf("\n");
    329 }
    330 
    331 static void
    332 pr_bitfield(unsigned int f)
    333 {
    334 
    335 	if (f == 0)
    336 		(void)printf("none");
    337 	else {
    338 		int i, first, mask;
    339 
    340 		for (i = 0, first = 1, mask = 1; i < sizeof(f) * 8; i++) {
    341 			if (f & mask) {
    342 				(void)printf("%s%d", first ? "" : " ", i);
    343 				first = 0;
    344 			}
    345 			mask = mask << 1;
    346 		}
    347 	}
    348 }
    349 
    350 void
    351 rd_field(struct field *f, char *val, int merge)
    352 {
    353 	int i;
    354 	unsigned int u;
    355 	char *p;
    356 	struct wscons_keymap *mp;
    357 
    358 	switch (f->format) {
    359 	case FMT_UINT:
    360 		if (sscanf(val, "%u", &u) != 1)
    361 			errx(EXIT_FAILURE, "%s: not a number", val);
    362 		if (merge)
    363 			*((unsigned int *) f->valp) += u;
    364 		else
    365 			*((unsigned int *) f->valp) = u;
    366 		break;
    367 	case FMT_STRING:
    368 		if ((*((char **) f->valp) = strdup(val)) == NULL)
    369 			err(EXIT_FAILURE, "strdup");
    370 		break;
    371 	case FMT_BITFIELD:
    372 		*((unsigned int *) f->valp) = rd_bitfield(val);
    373 		break;
    374 	case FMT_KBDENC:
    375 		p = strchr(val, '.');
    376 		if (p != NULL)
    377 			*p++ = '\0';
    378 
    379 		i = name2int(val, kbdenc_tab, TABLEN(kbdenc_tab));
    380 		if (i == -1)
    381 			errx(EXIT_FAILURE, "%s: not a valid encoding", val);
    382 		*((unsigned int *) f->valp) = i;
    383 
    384 		while (p) {
    385 			val = p;
    386 			p = strchr(p, '.');
    387 			if (p != NULL)
    388 				*p++ = '\0';
    389 			i = name2int(val, kbdvar_tab, TABLEN(kbdvar_tab));
    390 			if (i == -1)
    391 				errx(EXIT_FAILURE, "%s: not a valid variant",
    392 				    val);
    393 			*((unsigned 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_COLOR:
    419 		i = name2int(val, color_tab, TABLEN(color_tab));
    420 		if (i == -1)
    421 			errx(EXIT_FAILURE, "%s: not a valid color", val);
    422 		*((unsigned int *) f->valp) = i;
    423 		break;
    424 	case FMT_ATTRS:
    425 		p = val;
    426 		while (p) {
    427 			val = p;
    428 			p = strchr(p, ',');
    429 			if (p != NULL)
    430 				*p++ = '\0';
    431 			i = name2int(val, attr_tab, TABLEN(attr_tab));
    432 			if (i == -1)
    433 				errx(EXIT_FAILURE, "%s: not a valid attribute",
    434 				    val);
    435 			*((unsigned int *) f->valp) |= i;
    436 		}
    437 		break;
    438 	default:
    439 		errx(EXIT_FAILURE, "internal error: rd_field: no format %d",
    440 		    f->format);
    441 		break;
    442 	}
    443 }
    444 
    445 static unsigned int
    446 rd_bitfield(const char *str)
    447 {
    448 	const char *ptr;
    449 	char *ep;
    450 	long lval;
    451 	unsigned int result;
    452 
    453 	ep = NULL;
    454 	ptr = str;
    455 	result = 0;
    456 	while (*ptr != '\0') {
    457 		errno = 0;
    458 		lval = strtol(ptr, &ep, 10);
    459 		if (*ep != '\0' && *ep != ' ')
    460 			errx(EXIT_FAILURE, "%s: not a valid number list", str);
    461 		if (errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN))
    462 			errx(EXIT_FAILURE, "%s: not a valid number list", str);
    463 		if (lval >= sizeof(result) * 8)
    464 			errx(EXIT_FAILURE, "%ld: number out of range", lval);
    465 		result |= (1 << lval);
    466 
    467 		ptr = ep;
    468 		while (*ptr == ' ')
    469 			ptr++;
    470 	}
    471 
    472 	return result;
    473 }
    474 
    475 static void
    476 print_kmap(struct wskbd_map_data *map)
    477 {
    478 	int i;
    479 	struct wscons_keymap *mp;
    480 
    481 	for (i = 0; i < map->maplen; i++) {
    482 		mp = map->map + i;
    483 
    484 		if (mp->command == KS_voidSymbol &&
    485 		    mp->group1[0] == KS_voidSymbol &&
    486 		    mp->group1[1] == KS_voidSymbol &&
    487 		    mp->group2[0] == KS_voidSymbol &&
    488 		    mp->group2[1] == KS_voidSymbol)
    489 			continue;
    490 		(void)printf("\n");
    491 		(void)printf("keycode %u =", i);
    492 		if (mp->command != KS_voidSymbol)
    493 			(void)printf(" %s", ksym2name(mp->command));
    494 		(void)printf(" %s", ksym2name(mp->group1[0]));
    495 		if (mp->group1[0] != mp->group1[1] ||
    496 		    mp->group1[0] != mp->group2[0] ||
    497 		    mp->group1[0] != mp->group2[1]) {
    498 			(void)printf(" %s", ksym2name(mp->group1[1]));
    499 			if (mp->group1[0] != mp->group2[0] ||
    500 			    mp->group1[1] != mp->group2[1]) {
    501 				(void)printf(" %s", ksym2name(mp->group2[0]));
    502 				(void)printf(" %s", ksym2name(mp->group2[1]));
    503 			}
    504 		}
    505 	}
    506 }
    507