| // Copyright (C) 2021 The Android Open Source Project |
| // |
| // 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 <ditto/utils.h> |
| |
| #include <sys/param.h> |
| #include <sys/stat.h> |
| |
| #include <ditto/logger.h> |
| |
| namespace dittosuite { |
| |
| int64_t GetFileSize(SyscallInterface& syscall, int fd) { |
| struct stat64 sb; |
| if (syscall.FStat(fd, &sb) == -1) { |
| PLOGF("Error while calling fstat() to get file size"); |
| } |
| return sb.st_size; |
| } |
| |
| std::string GetFilePath(SyscallInterface& syscall, int fd) { |
| char file_path[PATH_MAX]; |
| if (syscall.ReadLink("/proc/self/fd/" + std::to_string(fd), file_path, sizeof(file_path)) == -1) { |
| PLOGF("Error while calling readlink() to get file path"); |
| } |
| return std::string(file_path); |
| } |
| |
| bool FileExists(SyscallInterface& syscall, const std::string& path_name) { |
| return syscall.Access(path_name, F_OK) != -1; |
| } |
| |
| } // namespace dittosuite |