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

    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>

diff --git a/networking/nslookup.c b/networking/nslookup.c
index 63bb46b55923e07debadc8cd3b758f4fb454a1a8..88a638a79a931a7c35165cad6b7d7628b75f1acc 100644 (file)
--- a/networking/nslookup.c
+++ b/networking/nslookup.c
@@ -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);