Mark D. Roth | f9bf428 | 2017-08-03 14:47:23 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2017 gRPC authors. |
| 4 | * |
| 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 |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 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. |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | #include "src/core/lib/iomgr/port.h" |
| 20 | |
| 21 | #ifdef GRPC_POSIX_HOST_NAME_MAX |
| 22 | |
| 23 | #include <limits.h> |
| 24 | #include <unistd.h> |
| 25 | |
| 26 | #include <grpc/support/alloc.h> |
| 27 | |
| 28 | char *grpc_gethostname() { |
| 29 | char *hostname = (char *)gpr_malloc(HOST_NAME_MAX); |
| 30 | if (gethostname(hostname, HOST_NAME_MAX) != 0) { |
| 31 | gpr_free(hostname); |
| 32 | return NULL; |
| 33 | } |
| 34 | return hostname; |
| 35 | } |
| 36 | |
| 37 | #endif // GRPC_POSIX_HOST_NAME_MAX |