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Diffstat (limited to 'third_party/protobuf/3.4.0/src/google/protobuf/testing/zcgzip.cc')
| -rw-r--r-- | third_party/protobuf/3.4.0/src/google/protobuf/testing/zcgzip.cc | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/src/google/protobuf/testing/zcgzip.cc b/third_party/protobuf/3.4.0/src/google/protobuf/testing/zcgzip.cc new file mode 100644 index 0000000000..992ddc6ed6 --- /dev/null +++ b/third_party/protobuf/3.4.0/src/google/protobuf/testing/zcgzip.cc @@ -0,0 +1,86 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2009 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Author: brianolson@google.com (Brian Olson) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. +// +// Test program to verify that GzipOutputStream is compatible with command line +// gzip or java.util.zip.GzipOutputStream +// +// Reads data on standard input and writes compressed gzip stream to standard +// output. + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> + +#ifdef _WIN32 +#ifndef STDIN_FILENO +#define STDIN_FILENO 0 +#endif +#ifndef STDOUT_FILENO +#define STDOUT_FILENO 1 +#endif +#endif + +#include <google/protobuf/io/gzip_stream.h> +#include <google/protobuf/io/zero_copy_stream_impl.h> + +using google::protobuf::io::FileOutputStream; +using google::protobuf::io::GzipOutputStream; + +int main(int argc, const char** argv) { + FileOutputStream fout(STDOUT_FILENO); + GzipOutputStream out(&fout); + int readlen; + + while (true) { + void* outptr; + int outlen; + bool ok; + do { + ok = out.Next(&outptr, &outlen); + if (!ok) { + break; + } + } while (outlen <= 0); + readlen = read(STDIN_FILENO, outptr, outlen); + if (readlen <= 0) { + out.BackUp(outlen); + break; + } + if (readlen < outlen) { + out.BackUp(outlen - readlen); + } + } + + return 0; +} |