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| author | Denys Vlasenko | 2018-04-15 12:49:11 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2018-04-15 12:50:28 +0200 |
| commit | 6cdc3195a6d174363a813d58b8372f0f5cd546b1 (patch) | |
| tree | 360d653239f5e6bbcc539599b46e239b07c6c083 | |
| parent | 296381ff4f69715ed880adcce7d5ce608153e767 (diff) | |
| download | busybox-6cdc3195a6d174363a813d58b8372f0f5cd546b1.zip busybox-6cdc3195a6d174363a813d58b8372f0f5cd546b1.tar.gz | |
nslookup: change -stats to -debug (it's a bug in bind that it accepts -s)
function old new delta
packed_usage 32211 32189 -22
nslookup_main 2754 2692 -62
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-84) Total: -84 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | networking/nslookup.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/networking/nslookup.c b/networking/nslookup.c index 112e876..63bb46b 100644 --- a/networking/nslookup.c +++ b/networking/nslookup.c @@ -21,7 +21,7 @@ //kbuild:lib-$(CONFIG_NSLOOKUP) += nslookup.o //usage:#define nslookup_trivial_usage -//usage: IF_FEATURE_NSLOOKUP_BIG("[-type=QUERY_TYPE] ") "HOST [DNS_SERVER]" +//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: @@ -306,7 +306,7 @@ static const char *const rcodes[] = { }; #if ENABLE_FEATURE_IPV6 -static const char v4_mapped[] = { 0,0,0,0,0,0,0,0,0,0,0xff,0xff }; +static const char v4_mapped[12] = { 0,0,0,0, 0,0,0,0, 0,0,0xff,0xff }; #endif struct globals { @@ -325,7 +325,7 @@ struct globals { } while (0) enum { - OPT_stats = (1 << 0), + OPT_debug = (1 << 0), }; static int parse_reply(const unsigned char *msg, size_t len) @@ -634,7 +634,7 @@ static int send_queries(struct ns *ns, struct query *query, int n_queries) query[qn].rlen = recvlen; tcur = monotonic_ms(); #if 1 - if (option_mask32 & OPT_stats) { + if (option_mask32 & OPT_debug) { printf("Query #%d completed in %ums:\n", qn, tcur - tstart); } if (rcode != 0) { @@ -788,7 +788,7 @@ int nslookup_main(int argc UNUSED_PARAM, char **argv) "querytype\0" /* 1 */ "port\0" /* 2 */ "retry\0" /* 3 */ - "stats\0" /* 4 */ + "debug\0" /* 4 */ "t\0" /* disambiguate with "type": else -t=2 fails */ "timeout\0" /* 6 */ ""; @@ -829,7 +829,7 @@ int nslookup_main(int argc UNUSED_PARAM, char **argv) G.default_retry = xatou_range(val, 1, INT_MAX); } if (i == 4) { - option_mask32 |= OPT_stats; + option_mask32 |= OPT_debug; } if (i > 4) { G.default_timeout = xatou_range(val, 1, INT_MAX / 1000); @@ -883,10 +883,12 @@ int nslookup_main(int argc UNUSED_PARAM, char **argv) c = send_queries(&G.server[rc], queries, n_queries); if (c > 0) { /* more than zero replies received */ - if (option_mask32 & OPT_stats) { +#if 0 /* which version does this? */ + if (option_mask32 & OPT_debug) { printf("Replies:\t%d\n", G.server[rc].replies); printf("Failures:\t%d\n\n", G.server[rc].failures); } +#endif break; //FIXME: we "break" even though some queries may still be not answered, and other servers may know them? } @@ -900,7 +902,8 @@ int nslookup_main(int argc UNUSED_PARAM, char **argv) // $ nslookup gmail.com 8.8.8.8 // ;; connection timed out; no servers could be reached // -// $ nslookup -s gmail.com 8.8.8.8; echo EXITCODE:$? +// Using TCP mode: +// $ nslookup -vc gmail.com 8.8.8.8; echo EXITCODE:$? // <~10 sec> // ;; Connection to 8.8.8.8#53(8.8.8.8) for gmail.com failed: timed out. // <~10 sec> |