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| author | wollman <wollman@FreeBSD.org> | 2000-09-24 01:54:49 +0000 |
|---|---|---|
| committer | wollman <wollman@FreeBSD.org> | 2000-09-24 01:54:49 +0000 |
| commit | 314abdc18465b579175462bc8a5536902d974472 (patch) | |
| tree | 4d04db4763c0aeb5fd83590c603ae111a31601ad /usr.bin/finger | |
| parent | 98932a243c747b66c0dd0acc6b3b82e9878a1312 (diff) | |
| download | FreeBSD-src-314abdc18465b579175462bc8a5536902d974472.zip FreeBSD-src-314abdc18465b579175462bc8a5536902d974472.tar.gz | |
Don't assume ai0->ai_canonname will always be filled in. Print the
user-supplied host name if we can't get a canonical name.
Obtained from: contrib/tcp_wrappers/socket.c rev. 1.4 (in spirit)
Diffstat (limited to 'usr.bin/finger')
| -rw-r--r-- | usr.bin/finger/net.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/usr.bin/finger/net.c b/usr.bin/finger/net.c index 00547ec..427d233 100644 --- a/usr.bin/finger/net.c +++ b/usr.bin/finger/net.c @@ -96,7 +96,12 @@ netfinger(name) } multi = (ai0->ai_next) != 0; - printf("[%s]\n", ai0->ai_canonname); + + /* ai_canonname may not be filled in if the user specified an IP. */ + if (ai0->ai_canonname == 0) + printf("[%s]\n", host); + else + printf("[%s]\n", ai0->ai_canonname); for (ai = ai0; ai != 0; ai = ai->ai_next) { if (multi) |
