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nslookup: accept lowercase -type=soa, document query types

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Usage: nslookup [-type=QUERY_TYPE] [-debug] HOST [DNS_SERVER]

    Query DNS about HOST

    QUERY_TYPE: soa,ns,a,aaaa,cname,mx,txt,ptr,any

function                                             old     new   delta
packed_usage                                       32189   32258     +69

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-04-15 12:57:32 +02:00
parent 6cdc3195a6
commit 4b6091f92c
1 changed files with 3 additions and 2 deletions
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5
networking/nslookup.c
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@ -24,7 +24,8 @@
//usage: IF_FEATURE_NSLOOKUP_BIG("[-type=QUERY_TYPE] [-debug] ") "HOST [DNS_SERVER]"
//usage:#define nslookup_full_usage "\n\n"
//usage: "Query DNS about HOST"
//usage:
//usage: IF_FEATURE_NSLOOKUP_BIG("\n")
//usage: IF_FEATURE_NSLOOKUP_BIG("\nQUERY_TYPE: soa,ns,a,"IF_FEATURE_IPV6("aaaa,")"cname,mx,txt,ptr,any")
//usage:#define nslookup_example_usage
//usage: "$ nslookup localhost\n"
//usage: "Server: default\n"
@ -816,7 +817,7 @@ int nslookup_main(int argc UNUSED_PARAM, char **argv)
for (i = 0;; i++) {
if (i == ARRAY_SIZE(qtypes))
bb_error_msg_and_die("invalid query type \"%s\"", val);
if (strcmp(qtypes[i].name, val) == 0)
if (strcasecmp(qtypes[i].name, val) == 0)
break;
}
types |= (1 << i);