| /* |
| * |
| * 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 <grpc/support/port_platform.h> |
| |
| #ifdef GPR_WINDOWS_ENV |
| |
| #include <windows.h> |
| |
| #include "src/core/lib/support/env.h" |
| #include "src/core/lib/support/string.h" |
| #include "src/core/lib/support/string_windows.h" |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| |
| const char *gpr_getenv_silent(const char *name, char **dst) { |
| *dst = gpr_getenv(name); |
| return NULL; |
| } |
| |
| char *gpr_getenv(const char *name) { |
| char *result = NULL; |
| DWORD size; |
| LPTSTR tresult = NULL; |
| LPTSTR tname = gpr_char_to_tchar(name); |
| DWORD ret; |
| |
| ret = GetEnvironmentVariable(tname, NULL, 0); |
| if (ret == 0) { |
| gpr_free(tname); |
| return NULL; |
| } |
| size = ret * (DWORD)sizeof(TCHAR); |
| tresult = (LPTSTR)gpr_malloc(size); |
| ret = GetEnvironmentVariable(tname, tresult, size); |
| gpr_free(tname); |
| if (ret == 0) { |
| gpr_free(tresult); |
| return NULL; |
| } |
| result = gpr_tchar_to_char(tresult); |
| gpr_free(tresult); |
| return result; |
| } |
| |
| void gpr_setenv(const char *name, const char *value) { |
| LPTSTR tname = gpr_char_to_tchar(name); |
| LPTSTR tvalue = gpr_char_to_tchar(value); |
| BOOL res = SetEnvironmentVariable(tname, tvalue); |
| gpr_free(tname); |
| gpr_free(tvalue); |
| GPR_ASSERT(res); |
| } |
| |
| #endif /* GPR_WINDOWS_ENV */ |