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88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2009 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: brianolson@google.com (Brian Olson)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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//
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// Test program to verify that GzipOutputStream is compatible with command line
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// gzip or java.util.zip.GzipOutputStream
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//
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// Reads data on standard input and writes compressed gzip stream to standard
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// output.
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef _WIN32
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#ifndef STDIN_FILENO
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#define STDIN_FILENO 0
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#endif
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#ifndef STDOUT_FILENO
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#define STDOUT_FILENO 1
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#endif
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#endif
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#include <thirdparty/protobuf/io/gzip_stream.h>
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#include <thirdparty/protobuf/io/zero_copy_stream_impl.h>
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using google::protobuf::io::FileOutputStream;
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using google::protobuf::io::GzipOutputStream;
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int main(int argc, const char** argv) {
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FileOutputStream fout(STDOUT_FILENO);
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GzipOutputStream out(&fout);
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int readlen;
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while (true) {
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void* outptr;
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int outlen;
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bool ok;
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do {
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ok = out.Next(&outptr, &outlen);
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if (!ok) {
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break;
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}
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} while (outlen <= 0);
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readlen = read(STDIN_FILENO, outptr, outlen);
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if (readlen <= 0) {
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out.BackUp(outlen);
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break;
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}
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if (readlen < outlen) {
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out.BackUp(outlen - readlen);
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}
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}
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return 0;
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}
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