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Add & use a usage() function.

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This commit is contained in:
Giorgos Keramidas 2003-03-22 09:39:52 +00:00
parent 4fe8c1b67b
commit ab42be1fbf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=112488
1 changed files with 12 additions and 2 deletions
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14
usr.sbin/gstat/gstat.c
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@ -50,6 +50,8 @@
static int flag_c;
static int flag_I = 500000;
static void usage(void);
int
main(int argc, char **argv)
{
@ -88,13 +90,13 @@ main(int argc, char **argv)
break;
case '?':
default:
errx(1, "Usage!");
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 0)
errx(1, "Usage!");
usage();
i = geom_gettree(&gmp);
if (i != 0)
@ -233,3 +235,11 @@ main(int argc, char **argv)
endwin();
exit (0);
}
static void
usage(void)
{
fprintf(stderr, "usage: gstat [-c] [-I interval]\n");
exit(1);
/* NOTREACHED */
}