/* * Copyright (C) 2011 Apple Inc. All rights reserved. * Copyright (C) 2019 Sony Interactive Entertainment Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. */ #include "config.h" #include "EnvironmentUtilities.h" #include <cstdlib> #include <wtf/text/StringBuilder.h> namespace WebKit { namespace EnvironmentUtilities { String stripEntriesEndingWith(StringView input, StringView suffix) { StringBuilder output; auto hasAppended = false; for (auto entry : input.splitAllowingEmptyEntries(':')) { if (entry.endsWith(suffix)) continue; if (hasAppended) output.append(':'); else hasAppended = true; output.append(entry); } return output.toString(); } void removeValuesEndingWith(const char* environmentVariable, const char* searchValue) { const char* before = getenv(environmentVariable); if (!before) return; auto after = stripEntriesEndingWith(before, searchValue); if (after.isEmpty()) { unsetenv(environmentVariable); return; } setenv(environmentVariable, after.utf8().data(), 1); } } // namespace EnvironmentUtilities } // namespace WebKit