Changes for C to C++. Adding extern C to header files for compatibility.

Also converting to .cc

1 files changed, 60 insertions, 0 deletions

diff --git a/src/core/lib/security/credentials/credentials_metadata.cc b/src/core/lib/security/credentials/credentials_metadata.cc
new file mode 100644
index 0000000000..5ba98bda4e
--- /dev/null
+++ b/src/core/lib/security/credentials/credentials_metadata.cc
@@ -0,0 +1,60 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "src/core/lib/security/credentials/credentials.h"
+
+#include <grpc/support/alloc.h>
+
+#include <string.h>
+
+#include "src/core/lib/slice/slice_internal.h"
+
+static void mdelem_list_ensure_capacity(grpc_credentials_mdelem_array *list,
+                                        size_t additional_space_needed) {
+  size_t target_size = list->size + additional_space_needed;
+  // Find the next power of two greater than the target size (i.e.,
+  // whenever we add more space, we double what we already have).
+  size_t new_size = 2;
+  while (new_size < target_size) {
+    new_size *= 2;
+  }
+  list->md =
+      (grpc_mdelem *)gpr_realloc(list->md, sizeof(grpc_mdelem) * new_size);
+}
+
+void grpc_credentials_mdelem_array_add(grpc_credentials_mdelem_array *list,
+                                       grpc_mdelem md) {
+  mdelem_list_ensure_capacity(list, 1);
+  list->md[list->size++] = GRPC_MDELEM_REF(md);
+}
+
+void grpc_credentials_mdelem_array_append(grpc_credentials_mdelem_array *dst,
+                                          grpc_credentials_mdelem_array *src) {
+  mdelem_list_ensure_capacity(dst, src->size);
+  for (size_t i = 0; i < src->size; ++i) {
+    dst->md[dst->size++] = GRPC_MDELEM_REF(src->md[i]);
+  }
+}
+
+void grpc_credentials_mdelem_array_destroy(
+    grpc_exec_ctx *exec_ctx, grpc_credentials_mdelem_array *list) {
+  for (size_t i = 0; i < list->size; ++i) {
+    GRPC_MDELEM_UNREF(exec_ctx, list->md[i]);
+  }
+  gpr_free(list->md);
+}