Sign conversion fixes

31 files changed, 80 insertions, 79 deletions

diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index 8f28fa1e63..93e2df1e43 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -146,7 +146,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(1), 1);
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 313e0b05bd..10e62275ab 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -165,7 +165,7 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error = grpc_server_request_call(f.server, &s, &call_details,
@@ -195,7 +195,7 @@ static void test_cancel_after_accept(grpc_end2end_test_config config,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(3), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(3), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c, NULL));
diff --git a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
index 2430a6d218..4fed5be5f7 100644
--- a/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
+++ b/test/core/end2end/tests/cancel_after_accept_and_writes_closed.c
@@ -169,7 +169,7 @@ static void test_cancel_after_accept_and_writes_closed(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error = grpc_server_request_call(f.server, &s, &call_details,
@@ -199,7 +199,7 @@ static void test_cancel_after_accept_and_writes_closed(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(3), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(3), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c, NULL));
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index 9991ee02f0..40595e4c7b 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -101,7 +101,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 
 /* Cancel after invoke, no payload */
 static void test_cancel_after_invoke(grpc_end2end_test_config config,
-                                     cancellation_mode mode, int test_ops) {
+                                     cancellation_mode mode, size_t test_ops) {
   grpc_op ops[6];
   grpc_op *op;
   grpc_call *c;
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index 8b582e0c42..c049e0c2d6 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -99,7 +99,7 @@ static void end_test(grpc_end2end_test_fixture *f) {
 
 /* Cancel before invoke */
 static void test_cancel_before_invoke(grpc_end2end_test_config config,
-                                      int test_ops) {
+                                      size_t test_ops) {
   grpc_op ops[6];
   grpc_op *op;
   grpc_call *c;
@@ -189,7 +189,7 @@ static void test_cancel_before_invoke(grpc_end2end_test_config config,
 }
 
 void grpc_end2end_tests(grpc_end2end_test_config config) {
-  int i;
+  size_t i;
   for (i = 1; i <= 6; i++) {
     test_cancel_before_invoke(config, i);
   }
diff --git a/test/core/end2end/tests/census_simple_request.c b/test/core/end2end/tests/census_simple_request.c
index 36b9e92884..adf855ca60 100644
--- a/test/core/end2end/tests/census_simple_request.c
+++ b/test/core/end2end/tests/census_simple_request.c
@@ -145,7 +145,7 @@ static void test_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -173,7 +173,7 @@ static void test_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/default_host.c b/test/core/end2end/tests/default_host.c
index 57f65b834b..7b62505a9a 100644
--- a/test/core/end2end/tests/default_host.c
+++ b/test/core/end2end/tests/default_host.c
@@ -154,7 +154,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(error == GRPC_CALL_OK);
 
   error =
@@ -191,7 +191,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(error == GRPC_CALL_OK);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index 09762705e3..de3ea16f66 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -131,7 +131,7 @@ static void do_request_and_shutdown_server(grpc_end2end_test_fixture *f,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -163,7 +163,7 @@ static void do_request_and_shutdown_server(grpc_end2end_test_fixture *f,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
index 233bc9bee2..ad7def09a9 100644
--- a/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
+++ b/test/core/end2end/tests/early_server_shutdown_finishes_inflight_calls.c
@@ -139,7 +139,7 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -155,7 +155,7 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   /* shutdown and destroy the server */
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index d4e7a1ac6d..df420a9846 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -146,7 +146,7 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -178,7 +178,7 @@ static void test_early_server_shutdown_finishes_inflight_calls(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index 7677084511..f79d146da1 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -171,7 +171,7 @@ static void test_invoke_large_request(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -192,7 +192,7 @@ static void test_invoke_large_request(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -216,7 +216,7 @@ static void test_invoke_large_request(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index 0ba620b851..87eb4dd451 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -147,7 +147,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -175,7 +175,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -280,7 +280,7 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c1, ops, op - ops, tag(301), NULL);
+  error = grpc_call_start_batch(c1, ops, (size_t)(op - ops), tag(301), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   op = ops;
@@ -297,7 +297,7 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c1, ops, op - ops, tag(302), NULL);
+  error = grpc_call_start_batch(c1, ops, (size_t)(op - ops), tag(302), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   op = ops;
@@ -310,7 +310,7 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c2, ops, op - ops, tag(401), NULL);
+  error = grpc_call_start_batch(c2, ops, (size_t)(op - ops), tag(401), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   op = ops;
@@ -327,7 +327,7 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c2, ops, op - ops, tag(402), NULL);
+  error = grpc_call_start_batch(c2, ops, (size_t)(op - ops), tag(402), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   got_client_start = 0;
@@ -372,7 +372,7 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s1, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s1, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -406,7 +406,7 @@ static void test_max_concurrent_streams(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s2, ops, op - ops, tag(202), NULL);
+  error = grpc_call_start_batch(s2, ops, (size_t)(op - ops), tag(202), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(live_call + 2), 1);
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 2b9560716f..782b9d0f26 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -167,7 +167,7 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -183,7 +183,7 @@ static void test_max_message_length(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 43abda4d7f..39682d8bc5 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -154,7 +154,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -175,7 +175,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(101), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(101), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   for (i = 0; i < messages; i++) {
@@ -193,7 +193,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
     op->flags = 0;
     op->reserved = NULL;
     op++;
-    error = grpc_call_start_batch(c, ops, op - ops, tag(2), NULL);
+    error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(2), NULL);
     GPR_ASSERT(GRPC_CALL_OK == error);
 
     op = ops;
@@ -202,7 +202,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
     op->flags = 0;
     op->reserved = NULL;
     op++;
-    error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+    error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
     GPR_ASSERT(GRPC_CALL_OK == error);
     cq_expect_completion(cqv, tag(102), 1);
     cq_verify(cqv);
@@ -213,7 +213,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
     op->flags = 0;
     op->reserved = NULL;
     op++;
-    error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+    error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
     GPR_ASSERT(GRPC_CALL_OK == error);
     cq_expect_completion(cqv, tag(103), 1);
     cq_expect_completion(cqv, tag(2), 1);
@@ -233,7 +233,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(3), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(3), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   op = ops;
@@ -244,7 +244,7 @@ static void test_pingpong_streaming(grpc_end2end_test_config config,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(104), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(104), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(1), 1);
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index eddce6ded4..b3156e0248 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -148,7 +148,7 @@ static void simple_request_body(grpc_end2end_test_fixture f, void *rc) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -176,7 +176,7 @@ static void simple_request_body(grpc_end2end_test_fixture f, void *rc) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
index 2345f94044..21e0bbcc49 100644
--- a/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_binary_metadata_and_payload.c
@@ -191,7 +191,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -213,7 +213,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -237,7 +237,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
diff --git a/test/core/end2end/tests/request_response_with_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
index a4cc27896c..d0604cc6b6 100644
--- a/test/core/end2end/tests/request_response_with_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_metadata_and_payload.c
@@ -175,7 +175,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -197,7 +197,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -221,7 +221,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
diff --git a/test/core/end2end/tests/request_response_with_payload.c b/test/core/end2end/tests/request_response_with_payload.c
index ff00ae6d9d..0b303268fc 100644
--- a/test/core/end2end/tests/request_response_with_payload.c
+++ b/test/core/end2end/tests/request_response_with_payload.c
@@ -164,7 +164,7 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -185,7 +185,7 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -209,7 +209,7 @@ static void request_response_with_payload(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
diff --git a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
index d862274fe3..08bba06f40 100644
--- a/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
+++ b/test/core/end2end/tests/request_response_with_payload_and_call_creds.c
@@ -247,7 +247,7 @@ static void request_response_with_payload_and_call_creds(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -280,7 +280,7 @@ static void request_response_with_payload_and_call_creds(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -304,7 +304,7 @@ static void request_response_with_payload_and_call_creds(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
@@ -464,7 +464,7 @@ static void test_request_with_server_rejecting_client_creds(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(error == GRPC_CALL_OK);
 
   cq_expect_completion(cqv, tag(1), 1);
diff --git a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
index 8b764751f6..c040b9fac1 100644
--- a/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
+++ b/test/core/end2end/tests/request_response_with_trailing_metadata_and_payload.c
@@ -178,7 +178,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -200,7 +200,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -225,7 +225,7 @@ static void test_request_response_with_metadata_and_payload(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
diff --git a/test/core/end2end/tests/request_with_compressed_payload.c b/test/core/end2end/tests/request_with_compressed_payload.c
index 299943c548..c50eaba8b2 100644
--- a/test/core/end2end/tests/request_with_compressed_payload.c
+++ b/test/core/end2end/tests/request_with_compressed_payload.c
@@ -186,7 +186,7 @@ static void request_with_payload_template(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -215,7 +215,7 @@ static void request_with_payload_template(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -234,7 +234,7 @@ static void request_with_payload_template(
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index eb2e5dc7e8..b9cdf5168c 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -160,7 +160,7 @@ static void test_invoke_request_with_flags(
   op->reserved = NULL;
   op++;
   expectation = call_start_batch_expected_result;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(expectation == error);
 
   if (expectation == GRPC_CALL_OK) {
diff --git a/test/core/end2end/tests/request_with_large_metadata.c b/test/core/end2end/tests/request_with_large_metadata.c
index 98e47aaf98..87529639a7 100644
--- a/test/core/end2end/tests/request_with_large_metadata.c
+++ b/test/core/end2end/tests/request_with_large_metadata.c
@@ -121,7 +121,7 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
   char *details = NULL;
   size_t details_capacity = 0;
   int was_cancelled = 2;
-  const int large_size = 64 * 1024;
+  const size_t large_size = 64 * 1024;
 
   c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
                                "/foo", "foo.test.google.fr", deadline, NULL);
@@ -167,7 +167,7 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -188,7 +188,7 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -207,7 +207,7 @@ static void test_request_with_large_metadata(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 149dbaeb00..a323b43ab0 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -158,7 +158,7 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
@@ -178,7 +178,7 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
@@ -197,7 +197,7 @@ static void test_invoke_request_with_payload(grpc_end2end_test_config config) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(103), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(103), 1);
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index 8bacc6c730..bdc18a5e38 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -145,7 +145,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -173,7 +173,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index 9133aacc35..14e0ac8f66 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -140,7 +140,7 @@ static void simple_delayed_request_body(grpc_end2end_test_config config,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   config.init_server(f, server_args);
@@ -170,7 +170,7 @@ static void simple_delayed_request_body(grpc_end2end_test_config config,
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index 0f62d958ae..a874640837 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -155,7 +155,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -192,7 +192,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c b/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
index 0067bb4bef..44d6a60c10 100644
--- a/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
+++ b/test/core/end2end/tests/simple_request_with_high_initial_sequence_number.c
@@ -149,7 +149,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(c, ops, op - ops, tag(1), NULL);
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   error =
@@ -177,7 +177,7 @@ static void simple_request_body(grpc_end2end_test_fixture f) {
   op->flags = 0;
   op->reserved = NULL;
   op++;
-  error = grpc_call_start_batch(s, ops, op - ops, tag(102), NULL);
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
   cq_expect_completion(cqv, tag(102), 1);
diff --git a/test/core/util/parse_hexstring.c b/test/core/util/parse_hexstring.c
index bf5bc84b48..0bac8fef32 100644
--- a/test/core/util/parse_hexstring.c
+++ b/test/core/util/parse_hexstring.c
@@ -35,7 +35,7 @@
 #include <grpc/support/log.h>
 
 gpr_slice parse_hexstring(const char *hexstring) {
-  int nibbles = 0;
+  size_t nibbles = 0;
   const char *p = 0;
   gpr_uint8 *out;
   gpr_uint8 temp;
diff --git a/test/core/util/reconnect_server.c b/test/core/util/reconnect_server.c
index a06cb50b3a..35d84d0f3d 100644
--- a/test/core/util/reconnect_server.c
+++ b/test/core/util/reconnect_server.c
@@ -81,7 +81,8 @@ static void on_connect(void *arg, grpc_endpoint *tcp) {
     } else {
       if (last_colon == NULL) {
         gpr_log(GPR_ERROR, "peer does not contain a ':'");
-      } else if (strncmp(server->peer, peer, last_colon - peer) != 0) {
+      } else if (strncmp(server->peer, peer, (size_t)(last_colon - peer)) !=
+                 0) {
         gpr_log(GPR_ERROR, "mismatched peer! %s vs %s", server->peer, peer);
       }
       gpr_free(peer);
diff --git a/test/core/util/test_config.c b/test/core/util/test_config.c
index 685bdff530..f5d5cdb57c 100644
--- a/test/core/util/test_config.c
+++ b/test/core/util/test_config.c
@@ -42,12 +42,12 @@ double g_fixture_slowdown_factor = 1.0;
 
 #if GPR_GETPID_IN_UNISTD_H
 #include <unistd.h>
-static int seed(void) { return getpid(); }
+static unsigned seed(void) { return (unsigned)getpid(); }
 #endif
 
 #if GPR_GETPID_IN_PROCESS_H
 #include <process.h>
-static int seed(void) { return _getpid(); }
+static unsigned seed(void) { return _getpid(); }
 #endif
 
 #if GPR_WINDOWS_CRASH_HANDLER