From 4782d92b2d4fab261b5520a29d79ba97fea9ce7b Mon Sep 17 00:00:00 2001 From: Craig Tiller Date: Fri, 10 Nov 2017 09:53:21 -0800 Subject: s/NULL/nullptr --- .../resolver/dns/c_ares/grpc_ares_wrapper.cc | 56 +++++++++++----------- 1 file changed, 28 insertions(+), 28 deletions(-) (limited to 'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc') diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc index 9408b9d81d..af4493389d 100644 --- a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc @@ -102,7 +102,7 @@ static void grpc_ares_request_unref(grpc_exec_ctx* exec_ctx, request */ if (gpr_unref(&r->pending_queries)) { /* TODO(zyc): Sort results with RFC6724 before invoking on_done. */ - if (exec_ctx == NULL) { + if (exec_ctx == nullptr) { /* A new exec_ctx is created here, as the c-ares interface does not provide one in ares_host_callback. It's safe to schedule on_done with the newly created exec_ctx, since the caller has been warned not to @@ -150,12 +150,12 @@ static void on_hostbyname_done_cb(void* arg, int status, int timeouts, r->error = GRPC_ERROR_NONE; r->success = true; grpc_lb_addresses** lb_addresses = r->lb_addrs_out; - if (*lb_addresses == NULL) { - *lb_addresses = grpc_lb_addresses_create(0, NULL); + if (*lb_addresses == nullptr) { + *lb_addresses = grpc_lb_addresses_create(0, nullptr); } size_t prev_naddr = (*lb_addresses)->num_addresses; size_t i; - for (i = 0; hostent->h_addr_list[i] != NULL; i++) { + for (i = 0; hostent->h_addr_list[i] != nullptr; i++) { } (*lb_addresses)->num_addresses += i; (*lb_addresses)->addresses = (grpc_lb_address*)gpr_realloc( @@ -174,8 +174,8 @@ static void on_hostbyname_done_cb(void* arg, int status, int timeouts, grpc_lb_addresses_set_address( *lb_addresses, i, &addr, addr_len, hr->is_balancer /* is_balancer */, - hr->is_balancer ? hr->host : NULL /* balancer_name */, - NULL /* user_data */); + hr->is_balancer ? hr->host : nullptr /* balancer_name */, + nullptr /* user_data */); char output[INET6_ADDRSTRLEN]; ares_inet_ntop(AF_INET6, &addr.sin6_addr, output, INET6_ADDRSTRLEN); gpr_log(GPR_DEBUG, @@ -195,8 +195,8 @@ static void on_hostbyname_done_cb(void* arg, int status, int timeouts, grpc_lb_addresses_set_address( *lb_addresses, i, &addr, addr_len, hr->is_balancer /* is_balancer */, - hr->is_balancer ? hr->host : NULL /* balancer_name */, - NULL /* user_data */); + hr->is_balancer ? hr->host : nullptr /* balancer_name */, + nullptr /* user_data */); char output[INET_ADDRSTRLEN]; ares_inet_ntop(AF_INET, &addr.sin_addr, output, INET_ADDRSTRLEN); gpr_log(GPR_DEBUG, @@ -220,7 +220,7 @@ static void on_hostbyname_done_cb(void* arg, int status, int timeouts, } } gpr_mu_unlock(&r->mu); - destroy_hostbyname_request(NULL, hr); + destroy_hostbyname_request(nullptr, hr); } static void on_srv_query_done_cb(void* arg, int status, int timeouts, @@ -234,7 +234,7 @@ static void on_srv_query_done_cb(void* arg, int status, int timeouts, const int parse_status = ares_parse_srv_reply(abuf, alen, &reply); if (parse_status == ARES_SUCCESS) { ares_channel* channel = grpc_ares_ev_driver_get_channel(r->ev_driver); - for (struct ares_srv_reply* srv_it = reply; srv_it != NULL; + for (struct ares_srv_reply* srv_it = reply; srv_it != nullptr; srv_it = srv_it->next) { if (grpc_ipv6_loopback_available()) { grpc_ares_hostbyname_request* hr = create_hostbyname_request( @@ -249,7 +249,7 @@ static void on_srv_query_done_cb(void* arg, int status, int timeouts, grpc_ares_ev_driver_start(&exec_ctx, r->ev_driver); } } - if (reply != NULL) { + if (reply != nullptr) { ares_free_data(reply); } } else if (!r->success) { @@ -276,15 +276,15 @@ static void on_txt_done_cb(void* arg, int status, int timeouts, char* error_msg; grpc_ares_request* r = (grpc_ares_request*)arg; const size_t prefix_len = sizeof(g_service_config_attribute_prefix) - 1; - struct ares_txt_ext* result = NULL; - struct ares_txt_ext* reply = NULL; + struct ares_txt_ext* result = nullptr; + struct ares_txt_ext* reply = nullptr; grpc_error* error = GRPC_ERROR_NONE; gpr_mu_lock(&r->mu); if (status != ARES_SUCCESS) goto fail; status = ares_parse_txt_reply_ext(buf, len, &reply); if (status != ARES_SUCCESS) goto fail; // Find service config in TXT record. - for (result = reply; result != NULL; result = result->next) { + for (result = reply; result != nullptr; result = result->next) { if (result->record_start && memcmp(result->txt, g_service_config_attribute_prefix, prefix_len) == 0) { @@ -292,7 +292,7 @@ static void on_txt_done_cb(void* arg, int status, int timeouts, } } // Found a service config record. - if (result != NULL) { + if (result != nullptr) { size_t service_config_len = result->length - prefix_len; *r->service_config_json_out = (char*)gpr_malloc(service_config_len + 1); memcpy(*r->service_config_json_out, result->txt + prefix_len, @@ -323,7 +323,7 @@ fail: } done: gpr_mu_unlock(&r->mu); - grpc_ares_request_unref(NULL, r); + grpc_ares_request_unref(nullptr, r); } static grpc_ares_request* grpc_dns_lookup_ares_impl( @@ -332,8 +332,8 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl( grpc_closure* on_done, grpc_lb_addresses** addrs, bool check_grpclb, char** service_config_json) { grpc_error* error = GRPC_ERROR_NONE; - grpc_ares_hostbyname_request* hr = NULL; - grpc_ares_request* r = NULL; + grpc_ares_hostbyname_request* hr = nullptr; + grpc_ares_request* r = nullptr; ares_channel* channel = NULL; /* TODO(zyc): Enable tracing after #9603 is checked in */ /* if (grpc_dns_trace) { @@ -345,13 +345,13 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl( char* host; char* port; gpr_split_host_port(name, &host, &port); - if (host == NULL) { + if (host == nullptr) { error = grpc_error_set_str( GRPC_ERROR_CREATE_FROM_STATIC_STRING("unparseable host:port"), GRPC_ERROR_STR_TARGET_ADDRESS, grpc_slice_from_copied_string(name)); goto error_cleanup; - } else if (port == NULL) { - if (default_port == NULL) { + } else if (port == nullptr) { + if (default_port == nullptr) { error = grpc_error_set_str( GRPC_ERROR_CREATE_FROM_STATIC_STRING("no port in name"), GRPC_ERROR_STR_TARGET_ADDRESS, grpc_slice_from_copied_string(name)); @@ -375,7 +375,7 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl( channel = grpc_ares_ev_driver_get_channel(r->ev_driver); // If dns_server is specified, use it. - if (dns_server != NULL) { + if (dns_server != nullptr) { gpr_log(GPR_INFO, "Using DNS server %s", dns_server); grpc_resolved_address addr; if (grpc_parse_ipv4_hostport(dns_server, &addr, false /* log_errors */)) { @@ -429,7 +429,7 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl( r); gpr_free(service_name); } - if (service_config_json != NULL) { + if (service_config_json != nullptr) { grpc_ares_request_ref(r); ares_search(*channel, hr->host, ns_c_in, ns_t_txt, on_txt_done_cb, r); } @@ -444,7 +444,7 @@ error_cleanup: GRPC_CLOSURE_SCHED(exec_ctx, on_done, error); gpr_free(host); gpr_free(port); - return NULL; + return nullptr; } grpc_ares_request* (*grpc_dns_lookup_ares)( @@ -503,8 +503,8 @@ static void on_dns_lookup_done_cb(grpc_exec_ctx* exec_ctx, void* arg, grpc_resolve_address_ares_request* r = (grpc_resolve_address_ares_request*)arg; grpc_resolved_addresses** resolved_addresses = r->addrs_out; - if (r->lb_addrs == NULL || r->lb_addrs->num_addresses == 0) { - *resolved_addresses = NULL; + if (r->lb_addrs == nullptr || r->lb_addrs->num_addresses == 0) { + *resolved_addresses = nullptr; } else { *resolved_addresses = (grpc_resolved_addresses*)gpr_zalloc(sizeof(grpc_resolved_addresses)); @@ -536,10 +536,10 @@ static void grpc_resolve_address_ares_impl(grpc_exec_ctx* exec_ctx, r->on_resolve_address_done = on_done; GRPC_CLOSURE_INIT(&r->on_dns_lookup_done, on_dns_lookup_done_cb, r, grpc_schedule_on_exec_ctx); - grpc_dns_lookup_ares(exec_ctx, NULL /* dns_server */, name, default_port, + grpc_dns_lookup_ares(exec_ctx, nullptr /* dns_server */, name, default_port, interested_parties, &r->on_dns_lookup_done, &r->lb_addrs, false /* check_grpclb */, - NULL /* service_config_json */); + nullptr /* service_config_json */); } void (*grpc_resolve_address_ares)( -- cgit v1.2.3