| Current Path : /compat/linux/proc/self/root/usr/src/usr.sbin/sicontrol/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //compat/linux/proc/self/root/usr/src/usr.sbin/sicontrol/sicontrol.c |
/*
* Device driver for Specialix range (SLXOS) of serial line multiplexors.
* SLXOS configuration and debug interface
*
* Copyright (C) 1990, 1992 Specialix International,
* Copyright (C) 1993, Andy Rutter <andy@acronym.co.uk>
* Copyright (C) 1995, Peter Wemm
*
* Derived from: SunOS 4.x version
*
* 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
* notices, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notices, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of Advanced Methods and Tools, nor Specialix
* International may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ``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 AUTHORS BE LIABLE.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD: release/9.1.0/usr.sbin/sicontrol/sicontrol.c 179668 2008-06-09 08:43:27Z ed $";
#endif /* not lint */
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#define SI_DEBUG
#include <dev/si/si.h>
#include <dev/si/sivar.h>
struct lv {
char *lv_name;
int lv_bit;
} lv[] = {
{"entry", DBG_ENTRY},
{"open", DBG_OPEN},
{"close", DBG_CLOSE},
{"read", DBG_READ},
{"write", DBG_WRITE},
{"param", DBG_PARAM},
{"modem", DBG_MODEM},
{"select", DBG_SELECT},
{"optim", DBG_OPTIM},
{"intr", DBG_INTR},
{"start", DBG_START},
{"lstart", DBG_LSTART},
{"ioctl", DBG_IOCTL},
{"fail", DBG_FAIL},
{"autoboot", DBG_AUTOBOOT},
{"download", DBG_DOWNLOAD},
{"drain", DBG_DRAIN},
{"poll", DBG_POLL},
{0, 0}
};
static int alldev = 0;
void ccb_stat(int, char **);
void port_stat(int, char **);
void debug(int, char **);
void dostat(void);
int getnum(char *);
int islevel(char *);
int lvls2bits(char *);
void mstate(int, char **);
void nport(int, char **);
void onoff(int, char **, int, char *, char *, int);
int opencontrol(void);
void prlevels(int);
void prusage(int, int);
void rxint(int, char **);
void txint(int, char **);
struct opt {
char *o_name;
void (*o_func)(int, char **);
} opt[] = {
{"debug", debug},
{"rxint_throttle", rxint},
{"int_throttle", txint},
{"nport", nport},
{"mstate", mstate},
{"ccbstat", ccb_stat},
{"portstat", port_stat},
{0, 0}
};
struct stat_list {
void (*st_func)(int, char **);
} stat_list[] = {
{mstate},
{0}
};
#define U_DEBUG 0
#define U_TXINT 1
#define U_RXINT 2
#define U_NPORT 3
#define U_MSTATE 4
#define U_STAT_CCB 5
#define U_STAT_PORT 6
#define U_MAX 7
#define U_ALL -1
char *usage[] = {
"debug [[add|del|set debug_levels] | [off]]\n",
"int_throttle [newvalue]\n",
"rxint_throttle [newvalue]\n",
"nport\n",
"mstate\n",
"ccbstat\n",
"portstat\n",
0
};
int ctlfd;
char *Devname;
struct si_tcsi tc;
int
main(int argc, char **argv)
{
struct opt *op;
void (*func)(int, char **) = NULL;
if (argc < 2)
prusage(U_ALL, 1);
Devname = argv[1];
if (strcmp(Devname, "-") == 0) {
alldev = 1;
} else {
sidev_t dev;
int n;
int card, port;
n = sscanf(Devname, "%d:%d", &card, &port);
if (n != 2)
errx(1, "Devname must be in form card:port. eg: 0:7");
dev.sid_card = card;
dev.sid_port = port;
tc.tc_dev = dev;
}
ctlfd = opencontrol();
if (argc == 2) {
dostat();
exit(0);
}
argc--; argv++;
for (op = opt; op->o_name; op++) {
if (strcmp(argv[1], op->o_name) == 0) {
func = op->o_func;
break;
}
}
if (func == NULL)
prusage(U_ALL, 1);
argc -= 2;
argv += 2;
(*func)(argc, argv);
exit(0);
}
int
opencontrol(void)
{
int fd;
fd = open(CONTROLDEV, O_RDWR|O_NDELAY);
if (fd < 0)
err(1, "open on %s", CONTROLDEV);
return(fd);
}
/*
* Print a usage message - this relies on U_DEBUG==0 and U_BOOT==1.
* Don't print the DEBUG usage string unless explicity requested.
*/
void
prusage(int strn, int eflag)
{
char **cp;
if (strn == U_ALL) {
fprintf(stderr, "usage: sicontrol %s", usage[1]);
fprintf(stderr, " sicontrol %s", usage[2]);
fprintf(stderr, " sicontrol %s", usage[3]);
fprintf(stderr, " sicontrol devname %s", usage[4]);
for (cp = &usage[5]; *cp; cp++)
fprintf(stderr, " sicontrol devname %s", *cp);
}
else if (strn >= 0 && strn <= U_MAX)
fprintf(stderr, "usage: sicontrol devname %s", usage[strn]);
else
fprintf(stderr, "sicontrol: usage ???\n");
exit(eflag);
}
/* print port status */
void
dostat(void)
{
char *av[1], *acp;
struct stat_list *stp;
struct si_tcsi stc;
int donefirst = 0;
printf("%s: ", alldev ? "ALL" : Devname);
acp = malloc(strlen(Devname) + 3);
memset(acp, ' ', strlen(Devname));
strcat(acp, " ");
stc = tc;
for (stp = stat_list; stp->st_func != NULL; stp++) {
if (donefirst)
fputs(acp, stdout);
else
donefirst++;
av[0] = NULL;
tc = stc;
(*stp->st_func)(-1, av);
}
}
/*
* debug
* debug [[set|add|del debug_lvls] | [off]]
*/
void
debug(int ac, char **av)
{
int level;
if (ac > 2)
prusage(U_DEBUG, 1);
if (alldev) {
if (ioctl(ctlfd, TCSIGDBG_ALL, &tc.tc_dbglvl) < 0)
err(1, "TCSIGDBG_ALL on %s", Devname);
} else {
if (ioctl(ctlfd, TCSIGDBG_LEVEL, &tc) < 0)
err(1, "TCSIGDBG_LEVEL on %s", Devname);
}
switch (ac) {
case 0:
printf("%s: debug levels - ", Devname);
prlevels(tc.tc_dbglvl);
return;
case 1:
if (strcmp(av[0], "off") == 0) {
tc.tc_dbglvl = 0;
break;
}
prusage(U_DEBUG, 1);
/* no return */
case 2:
level = lvls2bits(av[1]);
if (strcmp(av[0], "add") == 0)
tc.tc_dbglvl |= level;
else if (strcmp(av[0], "del") == 0)
tc.tc_dbglvl &= ~level;
else if (strcmp(av[0], "set") == 0)
tc.tc_dbglvl = level;
else
prusage(U_DEBUG, 1);
}
if (alldev) {
if (ioctl(ctlfd, TCSISDBG_ALL, &tc.tc_dbglvl) < 0)
err(1, "TCSISDBG_ALL on %s", Devname);
} else {
if (ioctl(ctlfd, TCSISDBG_LEVEL, &tc) < 0)
err(1, "TCSISDBG_LEVEL on %s", Devname);
}
}
void
rxint(int ac, char **av)
{
tc.tc_port = 0;
switch (ac) {
case 0:
printf("%s: ", Devname);
case -1:
if (ioctl(ctlfd, TCSIGRXIT, &tc) < 0)
err(1, "TCSIGRXIT");
printf("RX interrupt throttle: %d msec\n", tc.tc_int*10);
break;
case 1:
tc.tc_int = getnum(av[0]) / 10;
if (tc.tc_int == 0)
tc.tc_int = 1;
if (ioctl(ctlfd, TCSIRXIT, &tc) < 0)
err(1, "TCSIRXIT on %s at %d msec",
Devname, tc.tc_int*10);
break;
default:
prusage(U_RXINT, 1);
}
}
void
txint(int ac, char **av)
{
tc.tc_port = 0;
switch (ac) {
case 0:
printf("%s: ", Devname);
case -1:
if (ioctl(ctlfd, TCSIGIT, &tc) < 0)
err(1, "TCSIGIT");
printf("aggregate interrupt throttle: %d\n", tc.tc_int);
break;
case 1:
tc.tc_int = getnum(av[0]);
if (ioctl(ctlfd, TCSIIT, &tc) < 0)
err(1, "TCSIIT on %s at %d", Devname, tc.tc_int);
break;
default:
prusage(U_TXINT, 1);
}
}
void
onoff(int ac, char **av, int cmd, char *cmdstr, char *prstr, int usage)
{
if (ac > 1)
prusage(usage, 1);
if (ac == 1) {
if (strcmp(av[0], "on") == 0)
tc.tc_int = 1;
else if (strcmp(av[0], "off") == 0)
tc.tc_int = 0;
else
prusage(usage, 1);
} else
tc.tc_int = -1;
if (ioctl(ctlfd, cmd, &tc) < 0)
err(1, "%s on %s", cmdstr, Devname);
switch (ac) {
case 0:
printf("%s: ", Devname);
case -1:
printf("%s ", prstr);
if (tc.tc_int)
printf("on\n");
else
printf("off\n");
}
}
void
mstate(int ac, char **av)
{
switch (ac) {
case 0:
printf("%s: ", Devname);
case -1:
break;
default:
prusage(U_MSTATE, 1);
}
if (ioctl(ctlfd, TCSISTATE, &tc) < 0)
err(1, "TCSISTATE on %s", Devname);
printf("modem bits state - (0x%x)", tc.tc_int);
if (tc.tc_int & IP_DCD) printf(" DCD");
if (tc.tc_int & IP_DTR) printf(" DTR");
if (tc.tc_int & IP_RTS) printf(" RTS");
printf("\n");
}
void
nport(int ac, char **av)
{
int ports;
if (ac != 0)
prusage(U_NPORT, 1);
if (ioctl(ctlfd, TCSIPORTS, &ports) < 0)
err(1, "TCSIPORTS on %s", Devname);
printf("SLXOS: total of %d ports\n", ports);
}
const char *s_stat(int stat)
{
switch (stat) {
case IDLE_OPEN: return "IDLE_OPEN";
case LOPEN: return "LOPEN";
case MOPEN: return "MOPEN";
case MPEND: return "MPEND";
case CONFIG: return "CONFIG";
case CLOSE: return "CLOSE";
case SBREAK: return "SBREAK";
case EBREAK: return "EBREAK";
case IDLE_CLOSE:return "IDLE_CLOSE";
case IDLE_BREAK:return "IDLE_BREAK";
case FCLOSE: return "FCLOSE";
case RESUME: return "RESUME";
case WFLUSH: return "WFLUSH";
case RFLUSH: return "RFLUSH";
default: return "??";
}
}
const char *s_mr1(int mr1)
{
static char msg[200];
sprintf(msg, "%dbit, %s, parity:[", 5 + (mr1 & MR1_8_BITS), mr1 & MR1_ODD ? "odd" : "even");
if (mr1 & MR1_WITH)
strcat(msg, "with;");
if (mr1 & MR1_FORCE)
strcat(msg, "force;");
if (mr1 & MR1_NONE)
strcat(msg, "none;");
if (mr1 & MR1_SPECIAL)
strcat(msg, "special;");
strcpy(msg + strlen(msg) - 1, "]");
sprintf(msg + strlen(msg), ", err: %s", mr1 & MR1_BLOCK ? "block" : "none");
sprintf(msg + strlen(msg), ", cts: %s", mr1 & MR1_CTSCONT ? "auto" : "none");
return (msg);
}
const char *s_mr2(int mr2)
{
static char msg[200];
switch (mr2 & 0xf) {
case MR2_1_STOP: strcpy(msg, "1stop"); break;
case MR2_2_STOP: strcpy(msg, "2stop"); break;
default: sprintf(msg, "??stop (0x%x)", mr2 & 0xf); break;
}
if (mr2 & MR2_RTSCONT) strcat(msg, ", rtscont");
if (mr2 & MR2_CTSCONT) strcat(msg, ", ctscont");
switch (mr2 & 0xc0) {
case MR2_NORMAL: strcat(msg, ", mode:normal"); break;
case MR2_AUTO: strcat(msg, ", mode:auto"); break;
case MR2_LOCAL: strcat(msg, ", mode:local"); break;
case MR2_REMOTE: strcat(msg, ", mode:remote"); break;
}
return (msg);
}
const char *s_clk(int clk)
{
switch (clk & 0xf) {
case 0x0: return "75";
case 0x1: return "110/115200";
case 0x2: return "38400";
case 0x3: return "150";
case 0x4: return "300";
case 0x5: return "600";
case 0x6: return "1200";
case 0x7: return "2000";
case 0x8: return "2400";
case 0x9: return "4800";
case 0xa: return "7200";
case 0xb: return "9600";
case 0xc: return "19200";
case 0xd: return "57600";
case 0xe: return "?0xe";
case 0xf: return "?0xf";
}
return ("gcc sucks");
}
const char *s_op(int op)
{
static char msg[200];
sprintf(msg, "cts:%s", (op & OP_CTS) ? "on" : "off");
sprintf(msg + strlen(msg), ", dsr:%s", (op & OP_DSR) ? "on" : "off");
return (msg);
}
const char *s_ip(int ip)
{
static char msg[200];
sprintf(msg, "rts:%s", (ip & IP_RTS) ? "on" : "off");
sprintf(msg + strlen(msg), ", dcd:%s", (ip & IP_DCD) ? "on" : "off");
sprintf(msg + strlen(msg), ", dtr:%s", (ip & IP_DTR) ? "on" : "off");
sprintf(msg + strlen(msg), ", ri:%s", (ip & IP_RI) ? "on" : "off");
return (msg);
}
const char *s_state(int state)
{
return (state & ST_BREAK ? "break:on" : "break:off");
}
const char *s_prtcl(int pr)
{
static char msg[200];
sprintf(msg, "tx xon any:%s", (pr & SP_TANY) ? "on" : "off");
sprintf(msg + strlen(msg), ", tx xon/xoff:%s", (pr & SP_TXEN) ? "on" : "off");
sprintf(msg + strlen(msg), ", cooking:%s", (pr & SP_CEN) ? "on" : "off");
sprintf(msg + strlen(msg), ", rx xon/xoff:%s", (pr & SP_RXEN) ? "on" : "off");
sprintf(msg + strlen(msg), ", dcd/dsr check:%s", (pr & SP_DCEN) ? "on" : "off");
sprintf(msg + strlen(msg), ", parity check:%s", (pr & SP_PAEN) ? "on" : "off");
return (msg);
}
const char *s_break(int br)
{
static char msg[200];
sprintf(msg, "ignore rx brk:%s", (br & BR_IGN) ? "on" : "off");
sprintf(msg + strlen(msg), ", brk interrupt:%s", (br & BR_INT) ? "on" : "off");
sprintf(msg + strlen(msg), ", parmrking:%s", (br & BR_PARMRK) ? "on" : "off");
sprintf(msg + strlen(msg), ", parign:%s", (br & BR_PARIGN) ? "on" : "off");
return (msg);
}
const char *
s_xstat(int xs)
{
static char msg[200];
msg[0] = 0;
/* MTA definitions, not TA */
if (xs & 0x01) strcat(msg, "TION "); /* Tx interrupts on (MTA only) */
if (xs & 0x02) strcat(msg, "RTSEN "); /* RTS FLOW enabled (MTA only) */
if (xs & 0x04) strcat(msg, "RTSLOW "); /* XOFF received (TA only) */
if (xs & 0x08) strcat(msg, "RXEN "); /* Rx XON/XOFF enabled */
if (xs & 0x10) strcat(msg, "ANYXO "); /* XOFF pending/sent or RTS dropped */
if (xs & 0x20) strcat(msg, "RXSE "); /* Rx XOFF sent */
if (xs & 0x40) strcat(msg, "NPEND "); /* Rx XON pending or XOFF pending */
if (xs & 0x40) strcat(msg, "FPEND "); /* Rx XOFF pending */
return (msg);
}
const char *
s_cstat(int cs)
{
static char msg[200];
msg[0] = 0;
/* MTA definitions, not TA */
if (cs & 0x01) strcat(msg, "TEMR "); /* Tx empty requested (MTA only) */
if (cs & 0x02) strcat(msg, "TEMA "); /* Tx empty acked (MTA only) */
if (cs & 0x04) strcat(msg, "EN "); /* Cooking enabled (on MTA means port is also || */
if (cs & 0x08) strcat(msg, "HIGH "); /* Buffer previously hit high water */
if (cs & 0x10) strcat(msg, "CTSEN "); /* CTS automatic flow-control enabled */
if (cs & 0x20) strcat(msg, "DCDEN "); /* DCD/DTR checking enabled */
if (cs & 0x40) strcat(msg, "BREAK "); /* Break detected */
if (cs & 0x80) strcat(msg, "RTSEN "); /* RTS automatic flow control enabled (MTA only) */
return (msg);
}
void
ccb_stat(int ac, char **av)
{
struct si_pstat sip;
#define CCB sip.tc_ccb
if (ac != 0)
prusage(U_STAT_CCB, 1);
sip.tc_dev = tc.tc_dev;
if (ioctl(ctlfd, TCSI_CCB, &sip) < 0)
err(1, "TCSI_CCB on %s", Devname);
printf("%s: ", Devname);
/* WORD next - Next Channel */
/* WORD addr_uart - Uart address */
/* WORD module - address of module struct */
printf("\tuart_type 0x%x\n", CCB.type); /* BYTE type - Uart type */
/* BYTE fill - */
printf("\tx_status 0x%x %s\n", CCB.x_status, s_xstat(CCB.x_status)); /* BYTE x_status - XON / XOFF status */
printf("\tc_status 0x%x %s\n", CCB.c_status, s_cstat(CCB.c_status)); /* BYTE c_status - cooking status */
printf("\thi_rxipos 0x%x\n", CCB.hi_rxipos); /* BYTE hi_rxipos - stuff into rx buff */
printf("\thi_rxopos 0x%x\n", CCB.hi_rxopos); /* BYTE hi_rxopos - stuff out of rx buffer */
printf("\thi_txopos 0x%x\n", CCB.hi_txopos); /* BYTE hi_txopos - Stuff into tx ptr */
printf("\thi_txipos 0x%x\n", CCB.hi_txipos); /* BYTE hi_txipos - ditto out */
printf("\thi_stat 0x%x %s\n", CCB.hi_stat, s_stat(CCB.hi_stat));/* BYTE hi_stat - Command register */
printf("\tdsr_bit 0x%x\n", CCB.dsr_bit); /* BYTE dsr_bit - Magic bit for DSR */
printf("\ttxon 0x%x\n", CCB.txon); /* BYTE txon - TX XON char */
printf("\ttxoff 0x%x\n", CCB.txoff); /* BYTE txoff - ditto XOFF */
printf("\trxon 0x%x\n", CCB.rxon); /* BYTE rxon - RX XON char */
printf("\trxoff 0x%x\n", CCB.rxoff); /* BYTE rxoff - ditto XOFF */
printf("\thi_mr1 0x%x %s\n", CCB.hi_mr1, s_mr1(CCB.hi_mr1)); /* BYTE hi_mr1 - mode 1 image */
printf("\thi_mr2 0x%x %s\n", CCB.hi_mr2, s_mr2(CCB.hi_mr2)); /* BYTE hi_mr2 - mode 2 image */
printf("\thi_csr 0x%x in:%s out:%s\n", CCB.hi_csr, s_clk(CCB.hi_csr >> 4), s_clk(CCB.hi_csr)); /* BYTE hi_csr - clock register */
printf("\thi_op 0x%x %s\n", CCB.hi_op, s_op(CCB.hi_op)); /* BYTE hi_op - Op control */
printf("\thi_ip 0x%x %s\n", CCB.hi_ip, s_ip(CCB.hi_ip)); /* BYTE hi_ip - Input pins */
printf("\thi_state 0x%x %s\n", CCB.hi_state, s_state(CCB.hi_state)); /* BYTE hi_state - status */
printf("\thi_prtcl 0x%x %s\n", CCB.hi_prtcl, s_prtcl(CCB.hi_prtcl)); /* BYTE hi_prtcl - Protocol */
printf("\thi_txon 0x%x\n", CCB.hi_txon); /* BYTE hi_txon - host copy tx xon stuff */
printf("\thi_txoff 0x%x\n", CCB.hi_txoff); /* BYTE hi_txoff - */
printf("\thi_rxon 0x%x\n", CCB.hi_rxon); /* BYTE hi_rxon - */
printf("\thi_rxoff 0x%x\n", CCB.hi_rxoff); /* BYTE hi_rxoff - */
printf("\tclose_prev 0x%x\n", CCB.close_prev); /* BYTE close_prev - Was channel previously closed */
printf("\thi_break 0x%x %s\n", CCB.hi_break, s_break(CCB.hi_break)); /* BYTE hi_break - host copy break process */
printf("\tbreak_state 0x%x\n", CCB.break_state); /* BYTE break_state - local copy ditto */
printf("\thi_mask 0x%x\n", CCB.hi_mask); /* BYTE hi_mask - Mask for CS7 etc. */
printf("\tmask_z280 0x%x\n", CCB.mask_z280); /* BYTE mask_z280 - Z280's copy */
/* BYTE res[0x60 - 36] - */
/* BYTE hi_txbuf[SLXOS_BUFFERSIZE] - */
/* BYTE hi_rxbuf[SLXOS_BUFFERSIZE] - */
/* BYTE res1[0xA0] - */
}
const char *sp_state(int st)
{
if (st & SS_LSTART)
return("lstart ");
else
return("");
}
void
port_stat(int ac, char **av)
{
struct si_pstat sip;
#define PRT sip.tc_siport
if (ac != 0)
prusage(U_STAT_PORT, 1);
sip.tc_dev = tc.tc_dev;
if (ioctl(ctlfd, TCSI_PORT, &sip) < 0)
err(1, "TCSI_PORT on %s", Devname);
printf("%s: ", Devname);
printf("\tsp_pend 0x%x %s\n", PRT.sp_pend, s_stat(PRT.sp_pend));
printf("\tsp_last_hi_ip 0x%x %s\n", PRT.sp_last_hi_ip, s_ip(PRT.sp_last_hi_ip));
printf("\tsp_state 0x%x %s\n", PRT.sp_state, sp_state(PRT.sp_state));
printf("\tsp_delta_overflows 0x%d\n", PRT.sp_delta_overflows);
}
int
islevel(char *tk)
{
struct lv *lvp;
char *acp;
for (acp = tk; *acp; acp++)
if (isupper(*acp))
*acp = tolower(*acp);
for (lvp = lv; lvp->lv_name; lvp++)
if (strcmp(lvp->lv_name, tk) == 0)
return(lvp->lv_bit);
return(0);
}
/*
* Convert a string consisting of tokens separated by white space, commas
* or `|' into a bitfield - flag any unrecognised tokens.
*/
int
lvls2bits(char *str)
{
int i, bits = 0;
int errflag = 0;
char token[20];
while (sscanf(str, "%[^,| \t]", token) == 1) {
str += strlen(token);
while (isspace(*str) || *str==',' || *str=='|')
str++;
if (strcmp(token, "all") == 0)
return(0xffffffff);
if ((i = islevel(token)) == 0) {
warnx("unknown token '%s'", token);
errflag++;
} else
bits |= i;
}
if (errflag)
exit(1);
return(bits);
}
int
getnum(char *str)
{
int x;
char *acp = str;
x = 0;
while (*acp) {
if (!isdigit(*acp))
errx(1, "%s is not a number", str);
x *= 10;
x += (*acp - '0');
acp++;
}
return(x);
}
void
prlevels(int x)
{
struct lv *lvp;
switch (x) {
case 0:
printf("(none)\n");
break;
case 0xffffffff:
printf("all\n");
break;
default:
for (lvp = lv; lvp->lv_name; lvp++)
if (x & lvp->lv_bit)
printf(" %s", lvp->lv_name);
printf("\n");
}
}