diff options
Diffstat (limited to 'src/core/lib/support/tmpfile_windows.cc')
-rw-r--r-- | src/core/lib/support/tmpfile_windows.cc | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/core/lib/support/tmpfile_windows.cc b/src/core/lib/support/tmpfile_windows.cc new file mode 100644 index 0000000000..2b10bcde43 --- /dev/null +++ b/src/core/lib/support/tmpfile_windows.cc @@ -0,0 +1,69 @@ +/* + * + * 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/support/string_windows.h" +#include "src/core/lib/support/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 */ |