| /* |
| * |
| * 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_TMPFILE |
| |
| #include <io.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <tchar.h> |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| |
| #include "src/core/lib/gpr/string_windows.h" |
| #include "src/core/lib/gpr/tmpfile.h" |
| |
| FILE* gpr_tmpfile(const char* prefix, char** tmp_filename_out) { |
| FILE* result = NULL; |
| LPTSTR template_string = NULL; |
| TCHAR tmp_path[MAX_PATH]; |
| TCHAR tmp_filename[MAX_PATH]; |
| DWORD status; |
| UINT success; |
| |
| if (tmp_filename_out != NULL) *tmp_filename_out = NULL; |
| |
| /* Convert our prefix to TCHAR. */ |
| template_string = gpr_char_to_tchar(prefix); |
| GPR_ASSERT(template_string); |
| |
| /* Get the path to the best temporary folder available. */ |
| status = GetTempPath(MAX_PATH, tmp_path); |
| if (status == 0 || status > MAX_PATH) goto end; |
| |
| /* Generate a unique filename with our template + temporary path. */ |
| success = GetTempFileName(tmp_path, template_string, 0, tmp_filename); |
| if (!success) goto end; |
| |
| /* Open a file there. */ |
| if (_tfopen_s(&result, tmp_filename, TEXT("wb+")) != 0) goto end; |
| |
| end: |
| if (result && tmp_filename_out) { |
| *tmp_filename_out = gpr_tchar_to_char(tmp_filename); |
| } |
| |
| gpr_free(template_string); |
| return result; |
| } |
| |
| #endif /* GPR_WINDOWS_TMPFILE */ |