Abseil Common Libraries (C++) (grcp 依赖)
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48 lines
1.3 KiB
48 lines
1.3 KiB
7 years ago
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// Copyright 2017 The Abseil Authors.
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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 "absl/strings/internal/str_format/output.h"
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#include <errno.h>
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#include <cstring>
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namespace absl {
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namespace str_format_internal {
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void BufferRawSink::Write(string_view v) {
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size_t to_write = std::min(v.size(), size_);
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std::memcpy(buffer_, v.data(), to_write);
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buffer_ += to_write;
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size_ -= to_write;
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total_written_ += v.size();
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}
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void FILERawSink::Write(string_view v) {
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while (!v.empty() && !error_) {
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if (size_t result = std::fwrite(v.data(), 1, v.size(), output_)) {
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// Some progress was made.
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count_ += result;
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v.remove_prefix(result);
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} else {
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// Some error occurred.
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if (errno != EINTR) {
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error_ = errno;
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}
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}
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}
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}
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} // namespace str_format_internal
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} // namespace absl
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