1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312
|
/*
* setleds.c - aeb, 940130, 940909, 991008
*
* Call: setleds [-L] [-D] [-F] [{+|-}{num|caps|scroll}]*
* will set or clear the indicated flags on the stdin tty,
* and report the settings before and after.
* In particular, setleds without arguments will only report.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/kd.h>
#include <sys/ioctl.h>
#include "nls.h"
#include "version.h"
#include "kbd_error.h"
static void __attribute__((noreturn))
usage(void)
{
fprintf(stderr, _(
"Usage:\n"
" setleds [-v] [-L] [-D] [-F] [[+|-][ num | caps | scroll %s]]\n"
"Thus,\n"
" setleds +caps -num\n"
"will set CapsLock, clear NumLock and leave ScrollLock unchanged.\n"
"The settings before and after the change (if any) are reported\n"
"when the -v option is given or when no change is requested.\n"
"Normally, setleds influences the vt flag settings\n"
"(and these are usually reflected in the leds).\n"
"With -L, setleds only sets the leds, and leaves the flags alone.\n"
"With -D, setleds sets both the flags and the default flags, so\n"
"that a subsequent reset will not change the flags.\n"),
#ifdef __sparc__
"| compose "
#else
""
#endif
);
exit(EXIT_FAILURE);
}
#define onoff(a) ((a) ? _("on ") : _("off"))
/* report the bits, in the order seen on the (my) keyboard */
#define LED_NLOCK 1
#define LED_CMPOSE 2
#define LED_SCRLCK 4
#define LED_CLOCK 8
static void
sunreport(int leds)
{
printf("NumLock %s Compose %s ScrollLock %s CapsLock %s\n",
onoff(leds & LED_NLOCK),
onoff(leds & LED_CMPOSE),
onoff(leds & LED_SCRLCK),
onoff(leds & LED_CLOCK));
}
static void
report(int leds)
{
printf("NumLock %s CapsLock %s ScrollLock %s\n",
onoff(leds & LED_NUM),
onoff(leds & LED_CAP),
onoff(leds & LED_SCR));
}
struct led {
char *name;
int bit;
int sunbit;
} leds[] = {
{ "scroll", LED_SCR, LED_SCRLCK },
{ "num", LED_NUM, LED_NLOCK },
{ "caps", LED_CAP, LED_CLOCK },
#ifdef __sparc__
{ "compose", 0, LED_CMPOSE }
#endif
};
static void
getleds(char *cur_leds)
{
if (ioctl(0, KDGETLED, cur_leds)) {
kbd_error(EXIT_FAILURE, errno, _("Error reading current led setting. "
"Maybe stdin is not a VT?: "
"ioctl KDGETLED"));
}
}
static int
setleds(char cur_leds)
{
if (ioctl(0, KDSETLED, cur_leds)) {
kbd_warning(errno, "ioctl KDSETLED");
return -1;
}
return 0;
}
static void
getflags(char *flags)
{
if (ioctl(0, KDGKBLED, flags)) {
kbd_error(EXIT_FAILURE, errno, _("Error reading current flags setting. "
"Maybe you are not on the console?: "
"ioctl KDGKBLED"));
}
}
static int sunkbdfd = -1;
#ifndef KIOCGLED
#define arg_state __attribute__((unused))
#else
#define arg_state
#endif
static void
sungetleds(arg_state char *cur_leds)
{
#ifdef KIOCGLED
if (ioctl(sunkbdfd, KIOCGLED, cur_leds)) {
kbd_error(EXIT_FAILURE, errno, _("Error reading current led setting from /dev/kbd: "
"ioctl KIOCGLED"));
}
#else
kbd_error(EXIT_FAILURE, 0, _("KIOCGLED unavailable?\n"));
#endif
}
#ifndef KIOCSLED
#define arg_state __attribute__((unused))
#else
#define arg_state
#endif
static void
sunsetleds(arg_state char *cur_leds)
{
#ifdef KIOCSLED
if (ioctl(sunkbdfd, KIOCSLED, cur_leds)) {
kbd_error(EXIT_FAILURE, errno, _("Error reading current led setting from /dev/kbd: "
"ioctl KIOCSLED"));
}
#else
kbd_error(EXIT_FAILURE, 0, _("KIOCSLED unavailable?\n"));
#endif
}
int main(int argc, char **argv)
{
int optL = 0, optD = 0, optF = 0, verbose = 0;
char oleds, nleds, oflags, nflags, odefflags, ndefflags;
char nval, ndef, sign;
char osunleds = 0, nsunleds, nsunval, nsundef;
char *ap;
struct led *lp;
set_progname(argv[0]);
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE_NAME, LOCALEDIR);
textdomain(PACKAGE_NAME);
if (argc == 2 && (!strcmp("-V", argv[1]) || !strcmp("--version", argv[1])))
print_version_and_exit();
#ifdef __sparc__
if ((sunkbdfd = open("/dev/kbd", O_RDONLY)) < 0) {
kbd_error(EXIT_FAILURE, errno, "open /dev/kbd");
/* exit(1); */
}
#endif
getflags(&oflags);
getleds(&oleds);
if (sunkbdfd >= 0)
sungetleds(&osunleds);
while (argc > 1) {
if (!strcmp("-L", argv[1]))
optL = 1;
else if (!strcmp("-D", argv[1]))
optD = 1;
else if (!strcmp("-F", argv[1]))
optF = 1;
else if (!strcmp("-v", argv[1]))
verbose = 1;
else
break;
argc--;
argv++;
}
odefflags = ndefflags = ((oflags >> 4) & 7);
oflags = nflags = (oflags & 7);
if (argc <= 1) {
if (optL) {
nleds = 0xff;
if (setleds(nleds)) {
kbd_error(EXIT_FAILURE, 0, _("Error resetting ledmode\n"));
}
}
/* If nothing to do, report, even if not verbose */
if (!optD && !optL && !optF)
optD = optL = optF = 1;
if (optD) {
printf(_("Current default flags: "));
report(odefflags);
}
if (optF) {
printf(_("Current flags: "));
report(oflags & 07);
}
if (optL) {
printf(_("Current leds: "));
if (sunkbdfd >= 0)
sunreport(osunleds);
else
report(oleds);
}
exit(EXIT_SUCCESS);
}
if (!optL)
optF = 1;
nval = 0;
ndef = 0;
nsunval = 0;
nsundef = 0;
while (--argc) {
ap = *++argv;
sign = 1; /* by default: set */
if (*ap == '+')
ap++;
else if (*ap == '-') {
sign = 0;
ap++;
}
for (lp = leds; (unsigned)(lp - leds) < sizeof(leds) / sizeof(leds[0]); lp++) {
if (!strcmp(ap, lp->name)) {
if (sign) {
nval |= lp->bit;
nsunval |= lp->sunbit;
}
ndef |= lp->bit;
nsundef |= lp->sunbit;
goto nxtarg;
}
}
fprintf(stderr, _("unrecognized argument: _%s_\n\n"), ap);
usage();
nxtarg:;
}
if (optD) {
ndefflags = (odefflags & ~ndef) | nval;
if (verbose) {
printf(_("Old default flags: "));
report(odefflags);
printf(_("New default flags: "));
report(ndefflags);
}
}
if (optF) {
nflags = ((oflags & ~ndef) | nval);
if (verbose) {
printf(_("Old flags: "));
report(oflags & 07);
printf(_("New flags: "));
report(nflags & 07);
}
}
if (optD || optF) {
if (ioctl(0, KDSKBLED, (ndefflags << 4) | nflags)) {
kbd_error(EXIT_FAILURE, errno, "ioctl KDSKBLED");
}
}
if (optL) {
if (sunkbdfd >= 0) {
nsunleds = (osunleds & ~nsundef) | nsunval;
if (verbose) {
printf(_("Old leds: "));
sunreport(osunleds);
printf(_("New leds: "));
sunreport(nsunleds);
}
sunsetleds(&nsunleds);
} else {
nleds = (oleds & ~ndef) | nval;
if (verbose) {
printf(_("Old leds: "));
report(oleds);
printf(_("New leds: "));
report(nleds);
}
if (setleds(nleds))
exit(EXIT_FAILURE);
}
}
exit(EXIT_SUCCESS);
}
|