mirror of
https://github.com/google/sandboxed-api.git
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59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
// Copyright 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "sandboxed_api/sandbox2/util/file_helpers.h"
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#include <fstream>
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#include <sstream>
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#include "absl/status/status.h"
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#include "absl/strings/str_cat.h"
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namespace sandbox2 {
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namespace file {
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const Options& Defaults() {
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static auto* instance = new Options{};
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return *instance;
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}
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absl::Status GetContents(absl::string_view path, std::string* output,
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const file::Options& options) {
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std::ifstream in_stream{std::string(path), std::ios_base::binary};
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std::ostringstream out_stream;
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out_stream << in_stream.rdbuf();
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if (!in_stream || !out_stream) {
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return absl::UnknownError(absl::StrCat("Error during read: ", path));
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}
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*output = out_stream.str();
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return absl::OkStatus();
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}
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absl::Status SetContents(absl::string_view path, absl::string_view content,
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const file::Options& options) {
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std::ofstream out_stream(std::string(path),
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std::ios_base::trunc | std::ios_base::binary);
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if (!out_stream) {
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return absl::UnknownError(absl::StrCat("Failed to open file: ", path));
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}
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out_stream.write(content.data(), content.size());
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if (!out_stream) {
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return absl::UnknownError(absl::StrCat("Error during write: ", path));
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}
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return absl::OkStatus();
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}
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} // namespace file
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} // namespace sandbox2
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