1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2009 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
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 <assert.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <fcntl.h>
45
46 #ifdef _WIN32
47 #ifndef STDIN_FILENO
48 #define STDIN_FILENO 0
49 #endif
50 #ifndef STDOUT_FILENO
51 #define STDOUT_FILENO 1
52 #endif
53 #endif
54
55 #include <google/protobuf/io/gzip_stream.h>
56 #include <google/protobuf/io/zero_copy_stream_impl.h>
57
58 using google::protobuf::io::FileInputStream;
59 using google::protobuf::io::GzipInputStream;
60
main(int argc,const char ** argv)61 int main(int argc, const char** argv) {
62 FileInputStream fin(STDIN_FILENO);
63 GzipInputStream in(&fin);
64
65 while (true) {
66 const void* inptr;
67 int inlen;
68 bool ok;
69 ok = in.Next(&inptr, &inlen);
70 if (!ok) {
71 break;
72 }
73 if (inlen > 0) {
74 int err = write(STDOUT_FILENO, inptr, inlen);
75 assert(err == inlen);
76 }
77 }
78
79 return 0;
80 }
81