freebsd-skq/usr.sbin/kbdcontrol/kbdcontrol.c
yokota 30c8ef5ad9 The fix in the previous commit was not sufficient; the upper 24 bits
of an int argument still contained garbage.
Pointed out by: bde
PR: bin/7799
1998-09-10 12:20:09 +00:00

924 lines
20 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*-
* Copyright (c) 1994-1995 Søren Schmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef lint
static const char rcsid[] =
"$Id: kbdcontrol.c,v 1.18 1998/09/04 10:15:48 yokota Exp $";
#endif /* not lint */
#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <machine/console.h>
#include "path.h"
#include "lex.h"
char ctrl_names[32][4] = {
"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
"bs ", "ht ", "nl ", "vt ", "ff ", "cr ", "so ", "si ",
"dle", "dc1", "dc2", "dc3", "dc4", "nak", "syn", "etb",
"can", "em ", "sub", "esc", "fs ", "gs ", "rs ", "us "
};
char acc_names[15][5] = {
"dgra", "dacu", "dcir", "dtil", "dmac", "dbre", "ddot",
"duml", "dsla", "drin", "dced", "dapo", "ddac", "dogo",
"dcar",
};
char acc_names_u[15][5] = {
"DGRA", "DACU", "DCIR", "DTIL", "DMAC", "DBRE", "DDOT",
"DUML", "DSLA", "DRIN", "DCED", "DAPO", "DDAC", "DOGO",
"DCAR",
};
char fkey_table[96][MAXFK] = {
/* 01-04 */ "\033[M", "\033[N", "\033[O", "\033[P",
/* 05-08 */ "\033[Q", "\033[R", "\033[S", "\033[T",
/* 09-12 */ "\033[U", "\033[V", "\033[W", "\033[X",
/* 13-16 */ "\033[Y", "\033[Z", "\033[a", "\033[b",
/* 17-20 */ "\033[c", "\033[d", "\033[e", "\033[f",
/* 21-24 */ "\033[g", "\033[h", "\033[i", "\033[j",
/* 25-28 */ "\033[k", "\033[l", "\033[m", "\033[n",
/* 29-32 */ "\033[o", "\033[p", "\033[q", "\033[r",
/* 33-36 */ "\033[s", "\033[t", "\033[u", "\033[v",
/* 37-40 */ "\033[w", "\033[x", "\033[y", "\033[z",
/* 41-44 */ "\033[@", "\033[[", "\033[\\","\033[]",
/* 45-48 */ "\033[^", "\033[_", "\033[`", "\033[{",
/* 49-52 */ "\033[H", "\033[A", "\033[I", "-" ,
/* 53-56 */ "\033[D", "\033[E", "\033[C", "+" ,
/* 57-60 */ "\033[F", "\033[B", "\033[G", "\033[L",
/* 61-64 */ "\177", "\033[J", "\033[~", "\033[}",
/* 65-68 */ "" , "" , "" , "" ,
/* 69-72 */ "" , "" , "" , "" ,
/* 73-76 */ "" , "" , "" , "" ,
/* 77-80 */ "" , "" , "" , "" ,
/* 81-84 */ "" , "" , "" , "" ,
/* 85-88 */ "" , "" , "" , "" ,
/* 89-92 */ "" , "" , "" , "" ,
/* 93-96 */ "" , "" , "" , "" ,
};
const int delays[] = {250, 500, 750, 1000};
const int repeats[] = { 34, 38, 42, 46, 50, 55, 59, 63,
68, 76, 84, 92, 100, 110, 118, 126,
136, 152, 168, 184, 200, 220, 236, 252,
272, 304, 336, 368, 400, 440, 472, 504};
const int ndelays = (sizeof(delays) / sizeof(int));
const int nrepeats = (sizeof(repeats) / sizeof(int));
int hex = 0;
int number;
char letter;
int token;
static void usage __P((void));
char *
nextarg(int ac, char **av, int *indp, int oc)
{
if (*indp < ac)
return(av[(*indp)++]);
warnx("option requires two arguments -- %c", oc);
usage();
return("");
}
char *
mkfullname(const char *s1, const char *s2, const char *s3)
{
static char *buf = NULL;
static int bufl = 0;
int f;
f = strlen(s1) + strlen(s2) + strlen(s3) + 1;
if (f > bufl)
if (buf)
buf = (char *)realloc(buf, f);
else
buf = (char *)malloc(f);
if (!buf) {
bufl = 0;
return(NULL);
}
bufl = f;
strcpy(buf, s1);
strcat(buf, s2);
strcat(buf, s3);
return(buf);
}
int
get_entry()
{
switch ((token = yylex())) {
case TNOP:
return NOP | 0x100;
case TLSH:
return LSH | 0x100;
case TRSH:
return RSH | 0x100;
case TCLK:
return CLK | 0x100;
case TNLK:
return NLK | 0x100;
case TSLK:
return SLK | 0x100;
case TBTAB:
return BTAB | 0x100;
case TLALT:
return LALT | 0x100;
case TLCTR:
return LCTR | 0x100;
case TNEXT:
return NEXT | 0x100;
case TRCTR:
return RCTR | 0x100;
case TRALT:
return RALT | 0x100;
case TALK:
return ALK | 0x100;
case TASH:
return ASH | 0x100;
case TMETA:
return META | 0x100;
case TRBT:
return RBT | 0x100;
case TDBG:
return DBG | 0x100;
case TSUSP:
return SUSP | 0x100;
case TSPSC:
return SPSC | 0x100;
case TACC:
if (ACC(number) > L_ACC)
return -1;
return ACC(number) | 0x100;
case TFUNC:
if (F(number) > L_FN)
return -1;
return F(number) | 0x100;
case TSCRN:
if (S(number) > L_SCR)
return -1;
return S(number) | 0x100;
case TLET:
return (unsigned char)letter;
case TNUM:
if (number < 0 || number > 255)
return -1;
return number;
default:
return -1;
}
}
int
get_definition_line(FILE *fd, keymap_t *keymap, accentmap_t *accentmap)
{
int c;
yyin = fd;
if (token < 0)
token = yylex();
switch (token) {
case TNUM:
c = get_key_definition_line(keymap);
if (c < 0)
errx(1, "invalid key definition");
if (c > keymap->n_keys)
keymap->n_keys = c;
break;
case TACC:
c = get_accent_definition_line(accentmap);
if (c < 0)
errx(1, "invalid accent key definition");
if (c > accentmap->n_accs)
accentmap->n_accs = c;
break;
case 0:
/* EOF */
return -1;
default:
errx(1, "illegal definition line");
}
return c;
}
int
get_key_definition_line(keymap_t *map)
{
int i, def, scancode;
/* check scancode number */
if (number < 0 || number >= NUM_KEYS)
return -1;
scancode = number;
/* get key definitions */
map->key[scancode].spcl = 0;
for (i=0; i<NUM_STATES; i++) {
if ((def = get_entry()) == -1)
return -1;
if (def & 0x100)
map->key[scancode].spcl |= (0x80 >> i);
map->key[scancode].map[i] = def & 0xFF;
}
/* get lock state key def */
if ((token = yylex()) != TFLAG)
return -1;
map->key[scancode].flgs = number;
token = yylex();
return (scancode + 1);
}
int
get_accent_definition_line(accentmap_t *map)
{
int accent;
int c1, c2;
int i;
if (ACC(number) < F_ACC || ACC(number) > L_ACC)
/* number out of range */
return -1;
accent = number;
if (map->acc[accent].accchar != 0) {
/* this entry has already been defined before! */
errx(1, "duplicated accent key definition");
}
switch ((token = yylex())) {
case TLET:
map->acc[accent].accchar = letter;
break;
case TNUM:
map->acc[accent].accchar = number;
break;
default:
return -1;
}
for (i = 0; (token = yylex()) == '(';) {
switch ((token = yylex())) {
case TLET:
c1 = letter;
break;
case TNUM:
c1 = number;
break;
default:
return -1;
}
switch ((token = yylex())) {
case TLET:
c2 = letter;
break;
case TNUM:
c2 = number;
break;
default:
return -1;
}
if ((token = yylex()) != ')')
return -1;
if (i >= NUM_ACCENTCHARS) {
warnx("too many accented characters, ignored");
continue;
}
map->acc[accent].map[i][0] = c1;
map->acc[accent].map[i][1] = c2;
++i;
}
return (accent + 1);
}
void
print_entry(FILE *fp, int value)
{
int val = value & 0xFF;
switch (value) {
case NOP | 0x100:
fprintf(fp, " nop ");
break;
case LSH | 0x100:
fprintf(fp, " lshift");
break;
case RSH | 0x100:
fprintf(fp, " rshift");
break;
case CLK | 0x100:
fprintf(fp, " clock ");
break;
case NLK | 0x100:
fprintf(fp, " nlock ");
break;
case SLK | 0x100:
fprintf(fp, " slock ");
break;
case BTAB | 0x100:
fprintf(fp, " btab ");
break;
case LALT | 0x100:
fprintf(fp, " lalt ");
break;
case LCTR | 0x100:
fprintf(fp, " lctrl ");
break;
case NEXT | 0x100:
fprintf(fp, " nscr ");
break;
case RCTR | 0x100:
fprintf(fp, " rctrl ");
break;
case RALT | 0x100:
fprintf(fp, " ralt ");
break;
case ALK | 0x100:
fprintf(fp, " alock ");
break;
case ASH | 0x100:
fprintf(fp, " ashift");
break;
case META | 0x100:
fprintf(fp, " meta ");
break;
case RBT | 0x100:
fprintf(fp, " boot ");
break;
case DBG | 0x100:
fprintf(fp, " debug ");
break;
case SUSP | 0x100:
fprintf(fp, " susp ");
break;
case SPSC | 0x100:
fprintf(fp, " saver ");
break;
default:
if (value & 0x100) {
if (val >= F_FN && val <= L_FN)
fprintf(fp, " fkey%02d", val - F_FN + 1);
else if (val >= F_SCR && val <= L_SCR)
fprintf(fp, " scr%02d ", val - F_SCR + 1);
else if (val >= F_ACC && val <= L_ACC)
fprintf(fp, " %-6s", acc_names[val - F_ACC]);
else if (hex)
fprintf(fp, " 0x%02x ", val);
else
fprintf(fp, " %3d ", val);
}
else {
if (val < ' ')
fprintf(fp, " %s ", ctrl_names[val]);
else if (val == 127)
fprintf(fp, " del ");
else if (isascii(val) && isprint(val))
fprintf(fp, " '%c' ", val);
else if (hex)
fprintf(fp, " 0x%02x ", val);
else
fprintf(fp, " %3d ", val);
}
}
}
void
print_key_definition_line(FILE *fp, int scancode, struct key_t *key)
{
int i;
/* print scancode number */
if (hex)
fprintf(fp, " 0x%02x ", scancode);
else
fprintf(fp, " %03d ", scancode);
/* print key definitions */
for (i=0; i<NUM_STATES; i++) {
if (key->spcl & (0x80 >> i))
print_entry(fp, key->map[i] | 0x100);
else
print_entry(fp, key->map[i]);
}
/* print lock state key def */
switch (key->flgs) {
case 0:
fprintf(fp, " O\n");
break;
case 1:
fprintf(fp, " C\n");
break;
case 2:
fprintf(fp, " N\n");
break;
case 3:
fprintf(fp, " B\n");
break;
}
}
void
print_accent_definition_line(FILE *fp, int accent, struct acc_t *key)
{
int c;
int i;
if (key->accchar == 0)
return;
/* print accent number */
fprintf(fp, " %-6s", acc_names[accent]);
if (isascii(key->accchar) && isprint(key->accchar))
fprintf(fp, "'%c' ", key->accchar);
else if (hex)
fprintf(fp, "0x%02x ", key->accchar);
else
fprintf(fp, "%03d ", key->accchar);
for (i = 0; i < NUM_ACCENTCHARS; ++i) {
c = key->map[i][0];
if (c == 0)
break;
if ((i > 0) && ((i % 4) == 0))
fprintf(fp, "\n ");
if (isascii(c) && isprint(c))
fprintf(fp, "( '%c' ", c);
else if (hex)
fprintf(fp, "(0x%02x ", c);
else
fprintf(fp, "( %03d ", c);
c = key->map[i][1];
if (isascii(c) && isprint(c))
fprintf(fp, "'%c' ) ", c);
else if (hex)
fprintf(fp, "0x%02x) ", c);
else
fprintf(fp, "%03d ) ", c);
}
fprintf(fp, "\n");
}
void
dump_entry(int value)
{
if (value & 0x100) {
value &= 0x00ff;
switch (value) {
case NOP:
printf(" NOP, ");
break;
case LSH:
printf(" LSH, ");
break;
case RSH:
printf(" RSH, ");
break;
case CLK:
printf(" CLK, ");
break;
case NLK:
printf(" NLK, ");
break;
case SLK:
printf(" SLK, ");
break;
case BTAB:
printf(" BTAB, ");
break;
case LALT:
printf(" LALT, ");
break;
case LCTR:
printf(" LCTR, ");
break;
case NEXT:
printf(" NEXT, ");
break;
case RCTR:
printf(" RCTR, ");
break;
case RALT:
printf(" RALT, ");
break;
case ALK:
printf(" ALK, ");
break;
case ASH:
printf(" ASH, ");
break;
case META:
printf(" META, ");
break;
case RBT:
printf(" RBT, ");
break;
case DBG:
printf(" DBG, ");
break;
case SUSP:
printf(" SUSP, ");
break;
case SPSC:
printf(" SPSC, ");
break;
default:
if (value >= F_FN && value <= L_FN)
printf(" F(%2d),", value - F_FN + 1);
else if (value >= F_SCR && value <= L_SCR)
printf(" S(%2d),", value - F_SCR + 1);
else if (value >= F_ACC && value <= L_ACC)
printf(" %-4s, ", acc_names_u[value - F_ACC]);
else
printf(" 0x%02X, ", value);
break;
}
} else if (value == '\'') {
printf(" '\\'', ");
} else if (value == '\\') {
printf(" '\\\\', ");
} else if (isascii(value) && isprint(value)) {
printf(" '%c', ", value);
} else {
printf(" 0x%02X, ", value);
}
}
void
dump_key_definition(char *name, keymap_t *keymap)
{
int i, j;
printf("static keymap_t keymap_%s = { 0x%02x, {\n",
name, (unsigned)keymap->n_keys);
printf(
"/* alt\n"
" * scan cntrl alt alt cntrl\n"
" * code base shift cntrl shift alt shift cntrl shift spcl flgs\n"
" * ---------------------------------------------------------------------------\n"
" */\n");
for (i = 0; i < keymap->n_keys; i++) {
printf("/*%02x*/{{", i);
for (j = 0; j < NUM_STATES; j++) {
if (keymap->key[i].spcl & (0x80 >> j))
dump_entry(keymap->key[i].map[j] | 0x100);
else
dump_entry(keymap->key[i].map[j]);
}
printf("}, 0x%02X,0x%02X },\n",
(unsigned)keymap->key[i].spcl,
(unsigned)keymap->key[i].flgs);
}
printf("} };\n\n");
}
void
dump_accent_definition(char *name, accentmap_t *accentmap)
{
int i, j;
int c;
printf("static accentmap_t accentmap_%s = { %d",
name, accentmap->n_accs);
if (accentmap->n_accs <= 0) {
printf(" };\n\n");
return;
}
printf(", {\n");
for (i = 0; i < NUM_DEADKEYS; i++) {
printf(" /* %s=%d */\n {", acc_names[i], i);
c = accentmap->acc[i].accchar;
if (c == '\'')
printf(" '\\'', {");
else if (c == '\\')
printf(" '\\\\', {");
else if (isascii(c) && isprint(c))
printf(" '%c', {", c);
else if (c == 0) {
printf(" 0x00 }, \n");
continue;
} else
printf(" 0x%02x, {", c);
for (j = 0; j < NUM_ACCENTCHARS; j++) {
c = accentmap->acc[i].map[j][0];
if (c == 0)
break;
if ((j > 0) && ((j % 4) == 0))
printf("\n\t ");
if (isascii(c) && isprint(c))
printf(" { '%c',", c);
else
printf(" { 0x%02x,", c);
printf("0x%02x },", accentmap->acc[i].map[j][1]);
}
printf(" }, },\n");
}
printf("} };\n\n");
}
void
load_keymap(char *opt, int dumponly)
{
keymap_t keymap;
accentmap_t accentmap;
FILE *fd;
int i;
char *name, *cp;
char *prefix[] = {"", "", KEYMAP_PATH, KEYMAP_PATH, NULL};
char *postfix[] = {"", ".kbd", "", ".kbd"};
for (i=0; prefix[i]; i++) {
name = mkfullname(prefix[i], opt, postfix[i]);
if ((fd = fopen(name, "r")))
break;
}
if (fd == NULL) {
warn("keymap file not found");
return;
}
memset(&keymap, 0, sizeof(keymap));
memset(&accentmap, 0, sizeof(accentmap));
token = -1;
while (1) {
if (get_definition_line(fd, &keymap, &accentmap) < 0)
break;
}
if (dumponly) {
/* fix up the filename to make it a valid C identifier */
for (cp = opt; *cp; cp++)
if (!isalpha(*cp) && !isdigit(*cp)) *cp = '_';
printf("/*\n"
" * Automatically generated from %s.\n"
" * DO NOT EDIT!\n"
" */\n", name);
dump_key_definition(opt, &keymap);
dump_accent_definition(opt, &accentmap);
return;
}
if ((keymap.n_keys > 0) && (ioctl(0, PIO_KEYMAP, &keymap) < 0)) {
warn("setting keymap");
fclose(fd);
return;
}
if ((accentmap.n_accs > 0)
&& (ioctl(0, PIO_DEADKEYMAP, &accentmap) < 0)) {
warn("setting accentmap");
fclose(fd);
return;
}
}
void
print_keymap()
{
keymap_t keymap;
accentmap_t accentmap;
int i;
if (ioctl(0, GIO_KEYMAP, &keymap) < 0)
err(1, "getting keymap");
if (ioctl(0, GIO_DEADKEYMAP, &accentmap) < 0)
memset(&accentmap, 0, sizeof(accentmap));
printf(
"# alt\n"
"# scan cntrl alt alt cntrl lock\n"
"# code base shift cntrl shift alt shift cntrl shift state\n"
"# ------------------------------------------------------------------\n"
);
for (i=0; i<keymap.n_keys; i++)
print_key_definition_line(stdout, i, &keymap.key[i]);
printf("\n");
for (i = 0; i < NUM_DEADKEYS; i++)
print_accent_definition_line(stdout, i, &accentmap.acc[i]);
}
void
load_default_functionkeys()
{
fkeyarg_t fkey;
int i;
for (i=0; i<NUM_FKEYS; i++) {
fkey.keynum = i;
strcpy(fkey.keydef, fkey_table[i]);
fkey.flen = strlen(fkey_table[i]);
if (ioctl(0, SETFKEY, &fkey) < 0)
warn("setting function key");
}
}
void
set_functionkey(char *keynumstr, char *string)
{
fkeyarg_t fkey;
if (!strcmp(keynumstr, "load") && !strcmp(string, "default")) {
load_default_functionkeys();
return;
}
fkey.keynum = atoi(keynumstr);
if (fkey.keynum < 1 || fkey.keynum > NUM_FKEYS) {
warnx("function key number must be between 1 and %d",
NUM_FKEYS);
return;
}
if ((fkey.flen = strlen(string)) > MAXFK) {
warnx("function key string too long (%d > %d)",
fkey.flen, MAXFK);
return;
}
strcpy(fkey.keydef, string);
fkey.keynum -= 1;
if (ioctl(0, SETFKEY, &fkey) < 0)
warn("setting function key");
}
void
set_bell_values(char *opt)
{
int bell, duration, pitch;
bell = 0;
if (!strncmp(opt, "quiet.", 6)) {
bell = 2;
opt += 6;
}
if (!strcmp(opt, "visual"))
bell |= 1;
else if (!strcmp(opt, "normal"))
duration = 5, pitch = 800;
else {
char *v1;
bell = 0;
duration = strtol(opt, &v1, 0);
if ((duration < 0) || (*v1 != '.'))
goto badopt;
opt = ++v1;
pitch = strtol(opt, &v1, 0);
if ((pitch < 0) || (*opt == '\0') || (*v1 != '\0')) {
badopt:
warnx("argument to -b must be DURATION.PITCH");
return;
}
if (pitch != 0)
pitch = 1193182 / pitch; /* in Hz */
duration /= 10; /* in 10 m sec */
}
ioctl(0, CONS_BELLTYPE, &bell);
if ((bell & ~2) == 0)
fprintf(stderr, "[=%d;%dB", pitch, duration);
}
void
set_keyrates(char *opt)
{
int repeat;
int delay;
if (!strcmp(opt, "slow"))
delay = 3, repeat = 31;
else if (!strcmp(opt, "normal"))
delay = 1, repeat = 15;
else if (!strcmp(opt, "fast"))
delay = repeat = 0;
else {
int n;
char *v1;
delay = strtol(opt, &v1, 0);
if ((delay < 0) || (*v1 != '.'))
goto badopt;
opt = ++v1;
repeat = strtol(opt, &v1, 0);
if ((repeat < 0) || (*opt == '\0') || (*v1 != '\0')) {
badopt:
warnx("argument to -r must be delay.repeat");
return;
}
for (n = 0; n < ndelays - 1; n++)
if (delay <= delays[n])
break;
delay = n;
for (n = 0; n < nrepeats - 1; n++)
if (repeat <= repeats[n])
break;
repeat = n;
}
if (ioctl(0, KDSETRAD, (delay << 5) | repeat) < 0)
warn("setting keyboard rate");
}
void
set_history(char *opt)
{
int size;
size = atoi(opt);
if ((*opt == '\0') || size < 0) {
warnx("argument must be a positive number");
return;
}
if (ioctl(0, CONS_HISTORY, &size) == -1)
warn("setting history buffer size");
}
static void
usage()
{
fprintf(stderr, "%s\n%s\n%s\n",
"usage: kbdcontrol [-dFx] [-b duration.pitch | [quiet.]belltype]",
" [-r delay.repeat | speed] [-l mapfile] [-f # string]",
" [-h size] [-L mapfile]");
exit(1);
}
void
main(int argc, char **argv)
{
int opt;
while((opt = getopt(argc, argv, "b:df:h:Fl:L:r:x")) != -1)
switch(opt) {
case 'b':
set_bell_values(optarg);
break;
case 'd':
print_keymap();
break;
case 'l':
load_keymap(optarg, 0);
break;
case 'L':
load_keymap(optarg, 1);
break;
case 'f':
set_functionkey(optarg,
nextarg(argc, argv, &optind, 'f'));
break;
case 'F':
load_default_functionkeys();
break;
case 'h':
set_history(optarg);
break;
case 'r':
set_keyrates(optarg);
break;
case 'x':
hex = 1;
break;
default:
usage();
}
if ((optind != argc) || (argc == 1))
usage();
exit(0);
}