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dumpon: do not print errno for resolver failure

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When the netdump host name fails to resolve, don't print errno, since
it's irrelevant.  We might as well use a different exit status, too.

Sponsored by:	Dell EMC Isilon
This commit is contained in:
Eric van Gyzen 2021-03-05 10:39:53 -06:00
parent d5be41beb7
commit 576313b983
1 changed files with 5 additions and 4 deletions
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9
sbin/dumpon/dumpon.c
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@ -532,10 +532,11 @@ main(int argc, char *argv[])
hints.ai_protocol = IPPROTO_UDP;
res = NULL;
error = getaddrinfo(server, NULL, &hints, &res);
if (error != 0)
err(1, "%s", gai_strerror(error));
if (res == NULL)
errx(1, "failed to resolve '%s'", server);
if (error != 0) {
if (error == EAI_SYSTEM)
err(EX_OSERR, "%s", gai_strerror(error));
errx(EX_NOHOST, "%s", gai_strerror(error));
}
server = inet_ntoa(
((struct sockaddr_in *)(void *)res->ai_addr)->sin_addr);
freeaddrinfo(res);