static void
quick(void)
{
struct utmpx *utx;
int col, ncols, num;
ncols = ttywidth();
col = num = 0;
while ((utx = getutxent()) != NULL) {
if (utx->ut_type != USER_PROCESS)
continue;
printf("%-16s", utx->ut_user);
if (++col < ncols / (16 + 1))
putchar(' ');
else {
col = 0;
putchar('\n');
}
num++;
}
if (col != 0)
putchar('\n');
printf("# users = %d\n", num);
}
int
main(int argc __unused, char *argv[])
{
long cols, i, inc, j, margin, nstops, stops[NSTOPS];
const char *cr, *ct, *st, *ML;
char area[1024], *ap, *arg, *end;
setlocale(LC_ALL, "");
inc = 8;
margin = 0;
nstops = -1;
while ((arg = *++argv) != NULL && (*arg == '-' || *arg == '+')) {
if (*arg == '+') {
/* +m[n] or +[n] */
if (*++arg == 'm')
arg++;
if (*arg != '\0') {
errno = 0;
margin = strtol(arg, &end, 10);
if (errno != 0 || *end != '\0' || margin < 0)
errx(1, "%s: invalid margin width",
arg);
} else
margin = 10;
} else if (isdigit(arg[1])) {
/* -n */
errno = 0;
inc = strtol(arg + 1, &end, 10);
if (errno != 0 || *end != '\0' || inc < 0)
errx(1, "%s: invalid increment", arg + 1);
} else if (arg[1] == 'T') {
/* -Ttype or -T type */
if (arg[2] != '\0')
setenv("TERM", arg + 2, 1);
else {
if ((arg = *++argv) == NULL)
usage();
setenv("TERM", arg, 1);
}
} else if (arg[1] == '-') {
arg = *++argv;
break;
} else {
/* Predefined format */
for (i = 0; i < (int)NELEMS(formats); i++)
if (strcmp(formats[i].name, arg + 1) == 0)
break;
if (i == NELEMS(formats))
usage();
for (j = nstops = 0; j < NSTOPS &&
formats[i].stops[j] != 0; j++)
stops[nstops++] = formats[i].stops[j];
}
}
if (arg != NULL) {
if (nstops != -1)
usage();
gettabs(arg, stops, &nstops);
}
/* Initialise terminal, get the strings we need */
setupterm(NULL, 1, NULL);
ap = area;
if ((ct = tgetstr("ct", &ap)) == NULL)
errx(1, "terminal cannot clear tabs");
if ((st = tgetstr("st", &ap)) == NULL)
errx(1, "terminal cannot set tabs");
if ((cr = tgetstr("cr", &ap)) == NULL)
cr = "\r";
ML = tgetstr("ML", &ap);
cols = ttywidth();
/* Clear all tabs. */
putp(cr);
putp(ct);
/*
* Set soft margin.
* XXX Does this actually work?
*/
if (ML != NULL) {
printf("%*s", (int)margin, "");
putp(ML);
} else if (margin != 0)
warnx("terminal cannot set left margin");
/* Optionally output new tab stops. */
if (nstops >= 0) {
printf("%*s", (int)stops[0] - 1, "");
putp(st);
for (i = 1; i < nstops; i++) {
printf("%*s", (int)(stops[i] - stops[i - 1]), "");
putp(st);
}
} else if (inc > 0) {
for (i = 0; i < cols / inc; i++) {
putp(st);
printf("%*s", (int)inc, "");
}
putp(st);
}
putp(cr);
exit(0);
}
