1 // Copyright 2015 The Kyua Authors. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above copyright 11 // notice, this list of conditions and the following disclaimer in the 12 // documentation and/or other materials provided with the distribution. 13 // * Neither the name of Google Inc. nor the names of its contributors 14 // may be used to endorse or promote products derived from this software 15 // without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 // Dumps all environment variables. 30 // 31 // This helper program allows comparing the printed environment variables 32 // to what 'kyua report --verbose' may output. It does so by sorting the 33 // variables and allowing the caller to customize how the output looks 34 // like (indentation for each line and for continuation lines). 35 36 #include <cstdlib> 37 #include <iostream> 38 39 #include "utils/env.hpp" 40 #include "utils/text/operations.ipp" 41 42 namespace text = utils::text; 43 44 45 int 46 main(const int argc, const char* const* const argv) 47 { 48 if (argc != 3) { 49 std::cerr << "Usage: dump_env <prefix> <continuation-prefix>\n"; 50 return EXIT_FAILURE; 51 } 52 const char* prefix = argv[1]; 53 const char* continuation_prefix = argv[2]; 54 55 const std::map< std::string, std::string > env = utils::getallenv(); 56 for (std::map< std::string, std::string >::const_iterator 57 iter = env.begin(); iter != env.end(); ++iter) { 58 const std::string& name = (*iter).first; 59 const std::vector< std::string > value = text::split( 60 (*iter).second, '\n'); 61 62 if (value.empty()) { 63 std::cout << prefix << name << "=\n"; 64 } else { 65 std::cout << prefix << name << '=' << value[0] << '\n'; 66 for (std::vector< std::string >::size_type i = 1; 67 i < value.size(); ++i) { 68 std::cout << continuation_prefix << value[i] << '\n'; 69 } 70 } 71 } 72 73 return EXIT_SUCCESS; 74 } 75