1 files changed, 102 insertions, 0 deletions
diff --git a/unit/atf-src/tools/env.cpp b/unit/atf-src/tools/env.cpp
new file mode 100644
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+++ b/unit/atf-src/tools/env.cpp
@@ -0,0 +1,102 @@
+//
+// Automated Testing Framework (atf)
+//
+// Copyright (c) 2007 The NetBSD Foundation, Inc.
+// All rights reserved.
+//
+// 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 THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+//
+
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
+
+extern "C" {
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+}
+
+#include <cassert>
+
+#include "env.hpp"
+#include "exceptions.hpp"
+
+namespace impl = tools::env;
+#define IMPL_NAME "tools::env"
+
+// ------------------------------------------------------------------------
+// Free functions.
+// ------------------------------------------------------------------------
+
+std::string
+impl::get(const std::string& name)
+{
+    const char* val = getenv(name.c_str());
+    assert(val != NULL);
+    return val;
+}
+
+bool
+impl::has(const std::string& name)
+{
+    return getenv(name.c_str()) != NULL;
+}
+
+void
+impl::set(const std::string& name, const std::string& val)
+{
+#if defined(HAVE_SETENV)
+    if (setenv(name.c_str(), val.c_str(), 1) == -1)
+        throw tools::system_error(IMPL_NAME "::set",
+                                "Cannot set environment variable '" + name +
+                                "' to '" + val + "'",
+                                errno);
+#elif defined(HAVE_PUTENV)
+    const std::string buf = name + "=" + val;
+    if (putenv(strdup(buf.c_str())) == -1)
+        throw tools::system_error(IMPL_NAME "::set",
+                                "Cannot set environment variable '" + name +
+                                "' to '" + val + "'",
+                                errno);
+#else
+#   error "Don't know how to set an environment variable."
+#endif
+}
+
+void
+impl::unset(const std::string& name)
+{
+#if defined(HAVE_UNSETENV)
+    unsetenv(name.c_str());
+#elif defined(HAVE_PUTENV)
+    const std::string buf = name + "=";
+
+    if (putenv(strdup(buf.c_str())) == -1)
+        throw tools::system_error(IMPL_NAME "::unset",
+                                "Cannot unset environment variable '" +
+                                name + "'", errno);
+#else
+#   error "Don't know how to unset an environment variable."
+#endif
+}