| // Copyright 2016 The Bazel Authors. All rights reserved. |
| // |
| // 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. |
| |
| #ifndef THIRD_PARTY_IJAR_PLATFORM_UTILS_H_ |
| #define THIRD_PARTY_IJAR_PLATFORM_UTILS_H_ |
| |
| #include <stdlib.h> |
| |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <string> |
| |
| #include "third_party/ijar/common.h" |
| |
| namespace devtools_ijar { |
| |
| // Platform-independent stat data. |
| struct Stat { |
| // Total size of the file in bytes. |
| u8 total_size; |
| // The Unix file mode from the stat.st_mode field. |
| mode_t file_mode; |
| // True if this is a directory. |
| bool is_directory; |
| }; |
| |
| // Converts a Stat object to ZIP attributes. |
| inline u4 stat_to_zipattr(const Stat& file_stat) { |
| return (((u4)file_stat.file_mode) << 16) | |
| (file_stat.is_directory != 0 ? 0x10 : 0); |
| } |
| |
| // Writes stat data into `result` about the file under `path`. |
| // Returns true if file is found and can be stat'ed. |
| // Returns false if the file is not found or cannot be stat'ed. |
| // Doesn't report any errors because it can also be used to simply check if a |
| // file exists. |
| bool stat_file(const char* path, Stat* result); |
| |
| // Writes `size` bytes from `data` into file under `path`. |
| // The file is created or overwritten and is set to have `perm` permissions. |
| // Returns true upon success: file is created and all data is written. |
| // Returns false upon failure and reports the error to stderr. |
| bool write_file(const char* path, unsigned int perm, const void* data, |
| size_t size); |
| |
| // Reads at most `size` bytes into `buffer` from the file under `path`. |
| // Returns true upon success: file is opened and all data is read. |
| // Returns false upon failure and reports the error to stderr. |
| bool read_file(const char* path, void* buffer, size_t size); |
| |
| // Returns the current working directory. |
| // Returns the empty string upon failure and reports the error to stderr. |
| std::string get_cwd(); |
| |
| // Do a recursive mkdir of all folders of path except the last path |
| // segment (if path ends with a / then the last path segment is empty). |
| // All folders are created using "perm" for creation mode, and are writable and |
| // openable by the current user. |
| // Returns true if all directories were created and permissions set. |
| // Returns false upon failure and reports the error to stderr. |
| bool make_dirs(const char* path, unsigned int perm); |
| |
| } // namespace devtools_ijar |
| |
| #endif // THIRD_PARTY_IJAR_PLATFORM_UTILS_H_ |