1fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Protocol Buffers - Google's data interchange format 2fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Copyright 2009 Google Inc. All rights reserved. 3fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// http://code.google.com/p/protobuf/ 4fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 5fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Redistribution and use in source and binary forms, with or without 6fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// modification, are permitted provided that the following conditions are 7fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// met: 8fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 9fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions of source code must retain the above copyright 10fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// notice, this list of conditions and the following disclaimer. 11fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions in binary form must reproduce the above 12fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// copyright notice, this list of conditions and the following disclaimer 13fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// in the documentation and/or other materials provided with the 14fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// distribution. 15fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Neither the name of Google Inc. nor the names of its 16fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// contributors may be used to endorse or promote products derived from 17fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// this software without specific prior written permission. 18fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 19fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 31fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Author: brianolson@google.com (Brian Olson) 32fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Based on original Protocol Buffers design by 33fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Sanjay Ghemawat, Jeff Dean, and others. 34fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 35fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Test program to verify that GzipOutputStream is compatible with command line 36fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// gzip or java.util.zip.GzipOutputStream 37fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 38fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Reads data on standard input and writes compressed gzip stream to standard 39fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// output. 40fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 41fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include "config.h" 42fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 43fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <stdio.h> 44fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <stdlib.h> 45fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <fcntl.h> 46fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 47fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/io/gzip_stream.h> 48fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/io/zero_copy_stream_impl.h> 49fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 50fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing google::protobuf::io::FileOutputStream; 51fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleusing google::protobuf::io::GzipOutputStream; 52fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 53fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleint main(int argc, const char** argv) { 54fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FileOutputStream fout(STDOUT_FILENO); 55fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GzipOutputStream out(&fout); 56fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville int readlen; 57fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 58fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville while (true) { 59fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void* outptr; 60fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville int outlen; 61fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool ok; 62fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville do { 63fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ok = out.Next(&outptr, &outlen); 64fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (!ok) { 65fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville break; 66fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 67fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } while (outlen <= 0); 68fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville readlen = read(STDIN_FILENO, outptr, outlen); 69fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (readlen <= 0) { 70fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville out.BackUp(outlen); 71fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville break; 72fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 73fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (readlen < outlen) { 74fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville out.BackUp(outlen - readlen); 75fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 76fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 77fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 78fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return 0; 79fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 80