| /* |
| * |
| * 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); |
| } |