35 lines
830 B
C++
35 lines
830 B
C++
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// Copyright 2019 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "testing/util/read_file.h"
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#include <stdio.h>
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namespace openscreen {
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std::string ReadEntireFileToString(absl::string_view filename) {
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FILE* file = fopen(filename.data(), "r");
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if (file == nullptr) {
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return {};
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}
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fseek(file, 0, SEEK_END);
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long file_size = ftell(file);
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fseek(file, 0, SEEK_SET);
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std::string contents(file_size, 0);
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int bytes_read = 0;
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while (bytes_read < file_size) {
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size_t ret = fread(&contents[bytes_read], 1, file_size - bytes_read, file);
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if (ret == 0 && ferror(file)) {
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return {};
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} else {
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bytes_read += ret;
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}
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}
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fclose(file);
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return contents;
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}
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} // namespace openscreen
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