84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
//
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// Automated Testing Framework (atf)
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//
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// Copyright (c) 2007 The NetBSD Foundation, Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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extern "C" {
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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}
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#include <cassert>
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#include "env.hpp"
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#include "exceptions.hpp"
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namespace impl = tools::env;
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#define IMPL_NAME "tools::env"
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// ------------------------------------------------------------------------
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// Free functions.
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// ------------------------------------------------------------------------
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std::string
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impl::get(const std::string& name)
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{
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const char *n =name.c_str();
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const char* val = getenv(n);
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if (val != NULL)
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return val;
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if (strcmp(n, "PATH") == 0)
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return "/bin:/usr/bin:/sbin:/usr/sbin";
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throw tools::system_error(IMPL_NAME "::set",
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"Cannot get environment variable '" + name +
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"'", errno);
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}
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bool
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impl::has(const std::string& name)
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{
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return getenv(name.c_str()) != NULL;
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}
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void
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impl::set(const std::string& name, const std::string& val)
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{
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if (setenv(name.c_str(), val.c_str(), 1) == -1)
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throw tools::system_error(IMPL_NAME "::set",
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"Cannot set environment variable '" + name +
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"' to '" + val + "'",
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errno);
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}
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void
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impl::unset(const std::string& name)
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{
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unsetenv(name.c_str());
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}
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