commit d3c2594883ff9aaadd387158b51fbad5dffb8624
author Muxi Yan <mxyan@google.com> Mon Jan 16 21:57:21 2017 -0800
committer Muxi Yan <mxyan@google.com> Mon Jan 16 21:57:21 2017 -0800
tree c6a6392982a018329bf6c64dae51c3dee14280d5
parent a36bdc162a199be3f7a532734bbbbf95aa0bf1b8

Fix test errors on string copy

src/objective-c/GRPCClient/private/GRPCWrappedCall.m

diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index 7e73495..43c5645 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -215,11 +215,15 @@
       __weak typeof(self) weakSelf = self;
       _handler = ^{
         __strong typeof(self) strongSelf = weakSelf;
-        NSError *error = [NSError grpc_errorFromStatusCode:strongSelf->_statusCode
-                                                   details:(char*)GRPC_SLICE_START_PTR(strongSelf->_details)];
-        NSDictionary *trailers = [NSDictionary
-                                  grpc_dictionaryFromMetadataArray:strongSelf->_trailers];
-        handler(error, trailers);
+        if (strongSelf) {
+          char *details = grpc_slice_to_c_string(strongSelf->_details);
+          NSError *error = [NSError grpc_errorFromStatusCode:strongSelf->_statusCode
+                                                     details:details];
+          NSDictionary *trailers = [NSDictionary
+                                    grpc_dictionaryFromMetadataArray:strongSelf->_trailers];
+          handler(error, trailers);
+          gpr_free(details);
+        }
       };
     }
   }