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+// Copyright 2015 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Dumps all environment variables.
+//
+// This helper program allows comparing the printed environment variables
+// to what 'kyua report --verbose' may output. It does so by sorting the
+// variables and allowing the caller to customize how the output looks
+// like (indentation for each line and for continuation lines).
+
+#include <cstdlib>
+#include <iostream>
+
+#include "utils/env.hpp"
+#include "utils/text/operations.ipp"
+
+namespace text = utils::text;
+
+
+int
+main(const int argc, const char* const* const argv)
+{
+ if (argc != 3) {
+ std::cerr << "Usage: dump_env <prefix> <continuation-prefix>\n";
+ return EXIT_FAILURE;
+ }
+ const char* prefix = argv[1];
+ const char* continuation_prefix = argv[2];
+
+ const std::map< std::string, std::string > env = utils::getallenv();
+ for (std::map< std::string, std::string >::const_iterator
+ iter = env.begin(); iter != env.end(); ++iter) {
+ const std::string& name = (*iter).first;
+ const std::vector< std::string > value = text::split(
+ (*iter).second, '\n');
+
+ if (value.empty()) {
+ std::cout << prefix << name << "=\n";
+ } else {
+ std::cout << prefix << name << '=' << value[0] << '\n';
+ for (std::vector< std::string >::size_type i = 1;
+ i < value.size(); ++i) {
+ std::cout << continuation_prefix << value[i] << '\n';
+ }
+ }
+ }
+
+ return EXIT_SUCCESS;
+}