/thirdparty/breakpad/third_party/protobuf/protobuf/src/google/protobuf/testing/zcgunzip.cc

 1// Protocol Buffers - Google's data interchange format
 2// Copyright 2009 Google Inc.  All rights reserved.
 3// http://code.google.com/p/protobuf/
 4//
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14// distribution.
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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}