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// 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 <string>
#include "third_party/ijar/common.h"
namespace devtools_ijar {
// Platform-independent stat data.
struct Stat {
// Total size of the file in bytes.
int 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;
};
// Writes stat data into `result` about the file under `path`.
// Returns true upon success: file is found and can be stat'ed.
// Returns false upon failure and reports the error to stderr.
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, mode_t 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);
} // namespace devtools_ijar
#endif // THIRD_PARTY_IJAR_PLATFORM_UTILS_H_
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