Fix bugs from merge.

src/core/ext/client_config/lb_policy_factory.c

@@ -34,6 +34,7 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
 
 #include "src/core/ext/client_config/lb_policy_factory.h"
 
@@ -50,10 +51,12 @@ grpc_lb_addresses* grpc_lb_addresses_copy(grpc_lb_addresses* addresses,
                                           void* (*user_data_copy)(void*)) {
   grpc_lb_addresses* new = grpc_lb_addresses_create(addresses->num_addresses);
   memcpy(new->addresses, addresses->addresses,
-         sizeof(grpc_address) * addresses->num_addresses);
+         sizeof(grpc_lb_address) * addresses->num_addresses);
   for (size_t i = 0; i < addresses->num_addresses; ++i) {
-    new->addresses[i].balancer_name =
-        gpr_strdup(new->addresses[i].balancer_name);
+    if (new->addresses[i].balancer_name != NULL) {
+      new->addresses[i].balancer_name =
+          gpr_strdup(new->addresses[i].balancer_name);
+    }
     if (user_data_copy != NULL) {
       new->addresses[i].user_data = user_data_copy(new->addresses[i].user_data);
     }

src/core/ext/client_config/lb_policy_factory.h

@@ -36,9 +36,9 @@
 
 #include "src/core/ext/client_config/client_channel_factory.h"
 #include "src/core/ext/client_config/lb_policy.h"
-#include "src/core/ext/client_config/resolver_result.h"
 
 #include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/resolve_address.h"
 
 typedef struct grpc_lb_policy_factory grpc_lb_policy_factory;
 typedef struct grpc_lb_policy_factory_vtable grpc_lb_policy_factory_vtable;

src/core/ext/client_config/resolver_result.c

@@ -40,13 +40,13 @@
 
 struct grpc_resolver_result {
   gpr_refcount refs;
-  grpc_addresses* addresses;
+  grpc_lb_addresses* addresses;
   char* lb_policy_name;
   grpc_channel_args* lb_policy_args;
 };
 
 grpc_resolver_result* grpc_resolver_result_create(
-    grpc_addresses* addresses, const char* lb_policy_name,
+    grpc_lb_addresses* addresses, const char* lb_policy_name,
     grpc_channel_args* lb_policy_args) {
   grpc_resolver_result* result = gpr_malloc(sizeof(*result));
   memset(result, 0, sizeof(*result));
@@ -64,14 +64,14 @@ void grpc_resolver_result_ref(grpc_resolver_result* result) {
 void grpc_resolver_result_unref(grpc_exec_ctx* exec_ctx,
                                 grpc_resolver_result* result) {
   if (gpr_unref(&result->refs)) {
-    grpc_addresses_destroy(result->addresses);
+    grpc_lb_addresses_destroy(result->addresses, NULL /* user_data_destroy */);
     gpr_free(result->lb_policy_name);
     grpc_channel_args_destroy(result->lb_policy_args);
     gpr_free(result);
   }
 }
 
-grpc_addresses* grpc_resolver_result_get_addresses(
+grpc_lb_addresses* grpc_resolver_result_get_addresses(
     grpc_resolver_result* result) {
   return result->addresses;
 }

src/core/ext/client_config/resolver_result.h

@@ -57,7 +57,7 @@ void grpc_resolver_result_unref(grpc_exec_ctx* exec_ctx,
                                 grpc_resolver_result* result);
 
 /// Caller does NOT take ownership of result.
-grpc_addresses* grpc_resolver_result_get_addresses(
+grpc_lb_addresses* grpc_resolver_result_get_addresses(
     grpc_resolver_result* result);
 
 /// Caller does NOT take ownership of result.