| // Copyright (c) 2016 The WebM project authors. All Rights Reserved. |
| // |
| // Use of this source code is governed by a BSD-style license |
| // that can be found in the LICENSE file in the root of the source |
| // tree. An additional intellectual property rights grant can be found |
| // in the file PATENTS. All contributing project authors may |
| // be found in the AUTHORS file in the root of the source tree. |
| #include "common/file_util.h" |
| |
| #include <sys/stat.h> |
| #ifndef _MSC_VER |
| #include <unistd.h> // close() |
| #endif |
| |
| #include <cstdio> |
| #include <cstdlib> |
| #include <fstream> |
| #include <ios> |
| |
| namespace libwebm { |
| |
| std::string GetTempFileName() { |
| #if !defined _MSC_VER && !defined __MINGW32__ |
| char temp_file_name_template[] = "libwebm_temp.XXXXXX"; |
| int fd = mkstemp(temp_file_name_template); |
| if (fd != -1) { |
| close(fd); |
| return std::string(temp_file_name_template); |
| } |
| return std::string(); |
| #else |
| char tmp_file_name[_MAX_PATH]; |
| errno_t err = tmpnam_s(tmp_file_name); |
| if (err == 0) { |
| return std::string(tmp_file_name); |
| } |
| return std::string(); |
| #endif |
| } |
| |
| uint64_t GetFileSize(const std::string& file_name) { |
| uint64_t file_size = 0; |
| #ifndef _MSC_VER |
| struct stat st; |
| st.st_size = 0; |
| if (stat(file_name.c_str(), &st) == 0) { |
| #else |
| struct _stat st; |
| st.st_size = 0; |
| if (_stat(file_name.c_str(), &st) == 0) { |
| #endif |
| file_size = st.st_size; |
| } |
| return file_size; |
| } |
| |
| TempFileDeleter::TempFileDeleter() { file_name_ = GetTempFileName(); } |
| |
| TempFileDeleter::~TempFileDeleter() { |
| std::ifstream file(file_name_.c_str()); |
| if (file.good()) { |
| file.close(); |
| std::remove(file_name_.c_str()); |
| } |
| } |
| |
| } // namespace libwebm |
