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// 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;
}
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