Use err(3). Add usage().
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bef3ca0315
commit
a4a2bc1716
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=27575
@ -35,13 +35,17 @@
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*/
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#ifndef lint
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static char copyright[] =
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static const char copyright[] =
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"@(#) Copyright (c) 1980, 1987, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)lock.c 8.1 (Berkeley) 6/6/93";
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#endif
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static const char rcsid[] =
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"$Id$";
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#endif /* not lint */
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/*
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@ -56,15 +60,19 @@ static char sccsid[] = "@(#)lock.c 8.1 (Berkeley) 6/6/93";
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/signal.h>
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#include <sgtty.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <err.h>
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#include <ctype.h>
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#include <pwd.h>
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#include <sgtty.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define TIMEOUT 15
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void quit(), bye(), hi();
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static void usage __P((void));
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struct timeval timeout;
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struct timeval zerotime;
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@ -73,12 +81,11 @@ long nexttime; /* keep the timeout time */
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int no_timeout; /* lock terminal forever */
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/*ARGSUSED*/
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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extern char *optarg;
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extern int errno, optind;
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struct passwd *pw;
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struct timeval timval;
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struct itimerval ntimer, otimer;
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@ -95,19 +102,13 @@ main(argc, argv)
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while ((ch = getopt(argc, argv, "npt:")) != -1)
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switch((char)ch) {
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case 't':
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if ((sectimeout = atoi(optarg)) <= 0) {
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(void)fprintf(stderr,
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"lock: illegal timeout value.\n");
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exit(1);
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}
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if ((sectimeout = atoi(optarg)) <= 0)
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errx(1, "illegal timeout value");
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break;
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case 'p':
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usemine = 1;
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if (!(pw = getpwuid(getuid()))) {
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(void)fprintf(stderr,
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"lock: unknown uid %d.\n", getuid());
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exit(1);
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}
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if (!(pw = getpwuid(getuid())))
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errx(1, "unknown uid %d", getuid());
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mypw = strdup(pw->pw_passwd);
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break;
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case 'n':
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@ -115,9 +116,7 @@ main(argc, argv)
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break;
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case '?':
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default:
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(void)fprintf(stderr,
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"usage: lock [-n] [-p] [-t timeout]\n");
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exit(1);
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usage();
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}
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timeout.tv_sec = sectimeout * 60;
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@ -126,15 +125,10 @@ main(argc, argv)
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if (ioctl(0, TIOCGETP, &tty)) /* get information for header */
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exit(1);
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gethostname(hostname, sizeof(hostname));
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if (!(ttynam = ttyname(0))) {
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(void)printf("lock: not a terminal?\n");
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exit(1);
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}
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if (gettimeofday(&timval, (struct timezone *)NULL)) {
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(void)fprintf(stderr,
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"lock: gettimeofday: %s\n", strerror(errno));
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exit(1);
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}
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if (!(ttynam = ttyname(0)))
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errx(1, "not a terminal?");
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if (gettimeofday(&timval, (struct timezone *)NULL))
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err(1, "gettimeofday");
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nexttime = timval.tv_sec + (sectimeout * 60);
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timp = localtime(&timval.tv_sec);
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ap = asctime(timp);
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@ -162,7 +156,7 @@ main(argc, argv)
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ioctl(0, TIOCSETP, &tty);
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exit(1);
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}
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s[0] = NULL;
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s[0] = '\0';
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mypw = s1;
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}
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@ -205,6 +199,15 @@ main(argc, argv)
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exit(1);
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}
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quit();
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return(0); /* not reached */
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}
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static void
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usage()
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{
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(void)fprintf(stderr, "usage: lock [-n] [-p] [-t timeout]\n");
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exit(1);
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}
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void
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