1 files changed, 154 insertions, 0 deletions
diff --git a/unit/atf-src/atf-c++/detail/exceptions.cpp b/unit/atf-src/atf-c++/detail/exceptions.cpp
new file mode 100644
index 0000000..a5b74a3
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+++ b/unit/atf-src/atf-c++/detail/exceptions.cpp
@@ -0,0 +1,154 @@
+// 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.
+
+#include "atf-c++/detail/exceptions.hpp"
+
+#if defined(HAVE_CONFIG_H)
+#include "config.h"
+#endif
+
+#include <cstdarg>
+#include <cstdio>
+#include <cstring>
+#include <new>
+
+extern "C" {
+#include "atf-c/error.h"
+}
+
+#include "atf-c++/detail/sanity.hpp"
+
+// ------------------------------------------------------------------------
+// The "system_error" type.
+// ------------------------------------------------------------------------
+
+atf::system_error::system_error(const std::string& who,
+                                const std::string& message,
+                                int sys_err) :
+    std::runtime_error(who + ": " + message),
+    m_sys_err(sys_err)
+{
+}
+
+atf::system_error::~system_error(void)
+    throw()
+{
+}
+
+int
+atf::system_error::code(void)
+    const
+    throw()
+{
+    return m_sys_err;
+}
+
+const char*
+atf::system_error::what(void)
+    const
+    throw()
+{
+    try {
+        if (m_message.length() == 0) {
+            m_message = std::string(std::runtime_error::what()) + ": ";
+            m_message += ::strerror(m_sys_err);
+        }
+
+        return m_message.c_str();
+    } catch (...) {
+        return "Unable to format system_error message";
+    }
+}
+
+// ------------------------------------------------------------------------
+// Free functions.
+// ------------------------------------------------------------------------
+
+static
+void
+throw_libc_error(atf_error_t err)
+{
+    PRE(atf_error_is(err, "libc"));
+
+    const int ecode = atf_libc_error_code(err);
+    const std::string msg = atf_libc_error_msg(err);
+    atf_error_free(err);
+    throw atf::system_error("XXX", msg, ecode);
+}
+
+static
+void
+throw_no_memory_error(atf_error_t err)
+{
+    PRE(atf_error_is(err, "no_memory"));
+
+    atf_error_free(err);
+    throw std::bad_alloc();
+}
+
+static
+void
+throw_unknown_error(atf_error_t err)
+{
+    PRE(atf_is_error(err));
+
+    static char buf[4096];
+    atf_error_format(err, buf, sizeof(buf));
+    atf_error_free(err);
+    throw std::runtime_error(buf);
+}
+
+void
+atf::throw_atf_error(atf_error_t err)
+{
+    static struct handler {
+        const char* m_name;
+        void (*m_func)(atf_error_t);
+    } handlers[] = {
+        { "libc", throw_libc_error },
+        { "no_memory", throw_no_memory_error },
+        { NULL, throw_unknown_error },
+    };
+
+    PRE(atf_is_error(err));
+
+    handler* h = handlers;
+    while (h->m_name != NULL) {
+        if (atf_error_is(err, h->m_name)) {
+            h->m_func(err);
+            UNREACHABLE;
+        } else
+            h++;
+    }
+    // XXX: I'm not sure that raising an "unknown" error is a wise thing
+    // to do here.  The C++ binding is supposed to have feature parity
+    // with the C one, so all possible errors raised by the C library
+    // should have their counterpart in the C++ library.  Still, removing
+    // this will require some code auditing that I can't afford at the
+    // moment.
+    INV(h->m_name == NULL && h->m_func != NULL);
+    h->m_func(err);
+    UNREACHABLE;
+}