3 * Copyright 2017 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #include <grpc/support/port_platform.h>
21 #include "src/core/lib/iomgr/gethostname.h"
22 #include "src/core/lib/iomgr/port.h"
24 #ifdef GRPC_POSIX_SYSCONF
28 #include <grpc/support/alloc.h>
30 char* grpc_gethostname() {
31 size_t host_name_max = (size_t)sysconf(_SC_HOST_NAME_MAX);
32 char* hostname = (char*)gpr_malloc(host_name_max);
33 if (gethostname(hostname, host_name_max) != 0) {
40 #endif // GRPC_POSIX_SYSCONF