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| author | ru <ru@FreeBSD.org> | 2006-10-12 21:10:55 +0000 |
|---|---|---|
| committer | ru <ru@FreeBSD.org> | 2006-10-12 21:10:55 +0000 |
| commit | 0639569dc1ebd4d19c373af96149cbb16a19e52d (patch) | |
| tree | 09a989dfdc0e65c4cb6da428aab39d5f79e30d2f /usr.bin/tput/tput.c | |
| parent | 1db31f4d88d193e51f8366a227c94cb7927bb60e (diff) | |
| download | FreeBSD-src-0639569dc1ebd4d19c373af96149cbb16a19e52d.zip FreeBSD-src-0639569dc1ebd4d19c373af96149cbb16a19e52d.tar.gz | |
At least one argument is required.
Diffstat (limited to 'usr.bin/tput/tput.c')
| -rw-r--r-- | usr.bin/tput/tput.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/usr.bin/tput/tput.c b/usr.bin/tput/tput.c index a74e36a..a478d5d 100644 --- a/usr.bin/tput/tput.c +++ b/usr.bin/tput/tput.c @@ -81,6 +81,9 @@ main(int argc, char **argv) argc -= optind; argv += optind; + if (argc < 1) + usage(); + if (!term && !(term = getenv("TERM"))) errx(2, "no terminal type specified and no TERM environmental variable."); if (tgetent(tbuf, term) != 1) |
