1// Protocol Buffers - Google's data interchange format 2// Copyright 2009 Google Inc. All rights reserved. 3// http://code.google.com/p/protobuf/ 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions are 7// met: 8// 9// * Redistributions of source code must retain the above copyright 10// notice, this list of conditions and the following disclaimer. 11// * Redistributions in binary form must reproduce the above 12// copyright notice, this list of conditions and the following disclaimer 13// in the documentation and/or other materials provided with the 14// distribution. 15// * Neither the name of Google Inc. nor the names of its 16// contributors may be used to endorse or promote products derived from 17// this software without specific prior written permission. 18// 19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31// Author: brianolson@google.com (Brian Olson) 32// Based on original Protocol Buffers design by 33// Sanjay Ghemawat, Jeff Dean, and others. 34// 35// Test program to verify that GzipInputStream is compatible with command line 36// gunzip or java.util.zip.GzipInputStream 37// 38// Reads gzip stream on standard input and writes decompressed data to standard 39// output. 40 41#include "config.h" 42 43#include <assert.h> 44#include <stdio.h> 45#include <stdlib.h> 46#include <fcntl.h> 47 48#include <google/protobuf/io/gzip_stream.h> 49#include <google/protobuf/io/zero_copy_stream_impl.h> 50 51using google::protobuf::io::FileInputStream; 52using google::protobuf::io::GzipInputStream; 53 54int main(int argc, const char** argv) { 55 FileInputStream fin(STDIN_FILENO); 56 GzipInputStream in(&fin); 57 58 while (true) { 59 const void* inptr; 60 int inlen; 61 bool ok; 62 ok = in.Next(&inptr, &inlen); 63 if (!ok) { 64 break; 65 } 66 if (inlen > 0) { 67 int err = write(STDOUT_FILENO, inptr, inlen); 68 assert(err == inlen); 69 } 70 } 71 72 return 0; 73} 74