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Code Issues Releases Activity

Use getopt() to reject any options and skip "--" arguments.

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This commit is contained in:
Tim J. Robbins 2002-05-29 13:14:51 +00:00
parent 7550be9c57
commit 759484bacd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=97454
1 changed files with 15 additions and 10 deletions
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25
usr.bin/write/write.c
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@ -86,6 +86,11 @@ main(argc, argv)
(void)setlocale(LC_CTYPE, "");
while (getopt(argc, argv, "") != -1)
usage();
argc -= optind;
argv += optind;
/* check that sender has write enabled */
if (isatty(fileno(stdin)))
myttyfd = fileno(stdin);
@ -108,20 +113,20 @@ main(argc, argv)
/* check args */
switch (argc) {
case 2:
search_utmp(argv[1], tty, mytty, myuid);
case 1:
search_utmp(argv[0], tty, mytty, myuid);
do_write(tty, mytty, myuid);
break;
case 3:
if (!strncmp(argv[2], _PATH_DEV, strlen(_PATH_DEV)))
argv[2] += strlen(_PATH_DEV);
if (utmp_chk(argv[1], argv[2]))
errx(1, "%s is not logged in on %s", argv[1], argv[2]);
if (term_chk(argv[2], &msgsok, &atime, 1))
case 2:
if (!strncmp(argv[1], _PATH_DEV, strlen(_PATH_DEV)))
argv[1] += strlen(_PATH_DEV);
if (utmp_chk(argv[0], argv[1]))
errx(1, "%s is not logged in on %s", argv[0], argv[1]);
if (term_chk(argv[1], &msgsok, &atime, 1))
exit(1);
if (myuid && !msgsok)
errx(1, "%s has messages disabled on %s", argv[1], argv[2]);
do_write(argv[2], mytty, myuid);
errx(1, "%s has messages disabled on %s", argv[0], argv[1]);
do_write(argv[1], mytty, myuid);
break;
default:
usage();