| // 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. |
| |
| #include "third_party/ijar/platform_utils.h" |
| |
| #include <limits.h> |
| #include <stdio.h> |
| |
| #if defined(COMPILER_MSVC) || defined(__CYGWIN__) |
| #include <windows.h> |
| #else // !(defined(COMPILER_MSVC) || defined(__CYGWIN__)) |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #endif // defined(COMPILER_MSVC) || defined(__CYGWIN__) |
| |
| #include <string> |
| |
| #include "src/main/cpp/util/errors.h" |
| #include "src/main/cpp/util/file.h" |
| #include "src/main/cpp/util/file_platform.h" |
| |
| namespace devtools_ijar { |
| |
| using std::string; |
| |
| bool stat_file(const char* path, Stat* result) { |
| #if defined(COMPILER_MSVC) || defined(__CYGWIN__) |
| std::wstring wpath; |
| if (!blaze_util::AsAbsoluteWindowsPath(path, &wpath)) { |
| blaze_util::die(255, "stat_file: AsAbsoluteWindowsPath(%s) failed: %s", |
| path, blaze_util::GetLastErrorString().c_str()); |
| } |
| bool success = false; |
| BY_HANDLE_FILE_INFORMATION info; |
| HANDLE handle = ::CreateFileW( |
| /* lpFileName */ wpath.c_str(), |
| /* dwDesiredAccess */ GENERIC_READ, |
| /* dwShareMode */ FILE_SHARE_READ, |
| /* lpSecurityAttributes */ NULL, |
| /* dwCreationDisposition */ OPEN_EXISTING, |
| /* dwFlagsAndAttributes */ FILE_ATTRIBUTE_NORMAL, |
| /* hTemplateFile */ NULL); |
| if (handle != INVALID_HANDLE_VALUE && |
| ::GetFileInformationByHandle(handle, &info)) { |
| success = true; |
| // TODO(laszlocsomor): use info.nFileSizeHigh after we updated total_size to |
| // be u8 type. |
| result->total_size = info.nFileSizeLow; |
| // TODO(laszlocsomor): query the actual permissions and write in file_mode. |
| result->file_mode = 0777; |
| result->is_directory = (info.dwFileAttributes != INVALID_FILE_ATTRIBUTES) && |
| (info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY); |
| } |
| ::CloseHandle(handle); |
| return success; |
| #else // !(defined(COMPILER_MSVC) || defined(__CYGWIN__)) |
| struct stat statst; |
| if (stat(path, &statst) < 0) { |
| return false; |
| } |
| result->total_size = statst.st_size; |
| result->file_mode = statst.st_mode; |
| result->is_directory = (statst.st_mode & S_IFDIR) != 0; |
| return true; |
| #endif // defined(COMPILER_MSVC) || defined(__CYGWIN__) |
| } |
| |
| bool write_file(const char* path, unsigned int perm, const void* data, |
| size_t size) { |
| return blaze_util::WriteFile(data, size, path, perm); |
| } |
| |
| bool read_file(const char* path, void* buffer, size_t size) { |
| return blaze_util::ReadFile(path, buffer, size); |
| } |
| |
| string get_cwd() { return blaze_util::GetCwd(); } |
| |
| bool make_dirs(const char* path, unsigned int mode) { |
| #ifndef COMPILER_MSVC |
| // TODO(laszlocsomor): respect `mode` on Windows/MSVC. |
| mode |= S_IWUSR | S_IXUSR; |
| #endif // not COMPILER_MSVC |
| string spath(path); |
| if (spath.empty()) { |
| return true; |
| } |
| if (spath.back() != '/' && spath.back() != '\\') { |
| spath = blaze_util::Dirname(spath); |
| } |
| return blaze_util::MakeDirectories(spath, mode); |
| } |
| |
| } // namespace devtools_ijar |