| /* |
| * Copyright (C) 2010 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 "os.h" |
| |
| #include <cstddef> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| |
| #include "file_linux.h" |
| |
| namespace art { |
| |
| File* OS::OpenFile(const char* name, bool writable, bool create) { |
| int flags = 0; |
| if (writable) { |
| flags |= O_RDWR; |
| if (create) { |
| flags |= (O_CREAT | O_TRUNC); |
| } |
| } else { |
| flags |= O_RDONLY; |
| } |
| int fd = open(name, flags, 0666); |
| if (fd < 0) { |
| return NULL; |
| } |
| return new LinuxFile(name, fd, true); |
| } |
| |
| File* OS::FileFromFd(const char* name, int fd) { |
| return new LinuxFile(name, fd, false); |
| } |
| |
| bool OS::FileExists(const char* name) { |
| struct stat st; |
| if (stat(name, &st) == 0) { |
| return S_ISREG(st.st_mode); // TODO: Deal with symlinks? |
| } else { |
| return false; |
| } |
| } |
| |
| bool OS::DirectoryExists(const char* name) { |
| struct stat st; |
| if (stat(name, &st) == 0) { |
| return S_ISDIR(st.st_mode); // TODO: Deal with symlinks? |
| } else { |
| return false; |
| } |
| } |
| |
| } // namespace art |