diff options
Diffstat (limited to 'Utilities/cmcurl/lib/asyn-ares.c')
| -rw-r--r-- | Utilities/cmcurl/lib/asyn-ares.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/Utilities/cmcurl/lib/asyn-ares.c b/Utilities/cmcurl/lib/asyn-ares.c index aa581a4..5cfb260 100644 --- a/Utilities/cmcurl/lib/asyn-ares.c +++ b/Utilities/cmcurl/lib/asyn-ares.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -312,22 +312,25 @@ CURLcode Curl_resolver_is_resolved(struct connectdata *conn, conn->async.os_specific; CURLcode result = CURLE_OK; - *dns = NULL; + if(dns) + *dns = NULL; waitperform(conn, 0); if(res && !res->num_pending) { - (void)Curl_addrinfo_callback(conn, res->last_status, res->temp_ai); - /* temp_ai ownership is moved to the connection, so we need not free-up - them */ - res->temp_ai = NULL; + if(dns) { + (void)Curl_addrinfo_callback(conn, res->last_status, res->temp_ai); + /* temp_ai ownership is moved to the connection, so we need not free-up + them */ + res->temp_ai = NULL; + } if(!conn->async.dns) { failf(data, "Could not resolve: %s (%s)", conn->async.hostname, ares_strerror(conn->async.status)); result = conn->bits.proxy?CURLE_COULDNT_RESOLVE_PROXY: CURLE_COULDNT_RESOLVE_HOST; } - else + else if(dns) *dns = conn->async.dns; destroy_async_data(&conn->async); @@ -390,7 +393,7 @@ CURLcode Curl_resolver_wait_resolv(struct connectdata *conn, timeout_ms = 1000; waitperform(conn, timeout_ms); - result = Curl_resolver_is_resolved(conn, &temp_entry); + result = Curl_resolver_is_resolved(conn, entry?&temp_entry:NULL); if(result || conn->async.done) break; @@ -472,17 +475,19 @@ static void query_completed_cb(void *arg, /* (struct connectdata *) */ return; res = (struct ResolverResults *)conn->async.os_specific; - res->num_pending--; + if(res) { + res->num_pending--; - if(CURL_ASYNC_SUCCESS == status) { - Curl_addrinfo *ai = Curl_he2ai(hostent, conn->async.port); - if(ai) { - compound_results(res, ai); + if(CURL_ASYNC_SUCCESS == status) { + Curl_addrinfo *ai = Curl_he2ai(hostent, conn->async.port); + if(ai) { + compound_results(res, ai); + } } + /* A successful result overwrites any previous error */ + if(res->last_status != ARES_SUCCESS) + res->last_status = status; } - /* A successful result overwrites any previous error */ - if(res->last_status != ARES_SUCCESS) - res->last_status = status; } /* |