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/*
*
* 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);
}
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