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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright (C) 2004 Red Hat Inc.
* Copyright (C) 2010 TigerVNC Team
* Copyright 2014-2024 Pierre Ossman for Cendio AB
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdarg.h>
#include <core/Exception.h>
#include <core/string.h>
#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
#include <ws2tcpip.h>
#else
#include <netdb.h>
#endif
#include <string.h>
using namespace core;
getaddrinfo_error::getaddrinfo_error(const char* s, int err_) noexcept
: std::runtime_error(core::format("%s: %s (%d)", s,
strerror(err_).c_str(), err_)),
err(err_)
{
}
getaddrinfo_error::getaddrinfo_error(const std::string& s,
int err_) noexcept
: std::runtime_error(core::format("%s: %s (%d)", s.c_str(),
strerror(err_).c_str(), err_)),
err(err_)
{
}
std::string getaddrinfo_error::strerror(int err_) const noexcept
{
#ifdef _WIN32
char str[256];
WideCharToMultiByte(CP_UTF8, 0, gai_strerrorW(err_), -1, str,
sizeof(str), nullptr, nullptr);
return str;
#else
return gai_strerror(err_);
#endif
}
posix_error::posix_error(const char* what_arg, int err_) noexcept
: std::runtime_error(core::format("%s: %s (%d)", what_arg,
strerror(err_).c_str(), err_)),
err(err_)
{
}
posix_error::posix_error(const std::string& what_arg, int err_) noexcept
: std::runtime_error(core::format("%s: %s (%d)", what_arg.c_str(),
strerror(err_).c_str(), err_)),
err(err_)
{
}
std::string posix_error::strerror(int err_) const noexcept
{
#ifdef _WIN32
char str[256];
WideCharToMultiByte(CP_UTF8, 0, _wcserror(err_), -1, str,
sizeof(str), nullptr, nullptr);
return str;
#else
return ::strerror(err_);
#endif
}
#ifdef WIN32
win32_error::win32_error(const char* what_arg, unsigned err_) noexcept
: std::runtime_error(core::format("%s: %s (%d)", what_arg,
strerror(err_).c_str(), err_)),
err(err_)
{
}
win32_error::win32_error(const std::string& what_arg,
unsigned err_) noexcept
: std::runtime_error(core::format("%s: %s (%d)", what_arg.c_str(),
strerror(err_).c_str(), err_)),
err(err_)
{
}
std::string win32_error::strerror(unsigned err_) const noexcept
{
wchar_t wstr[256];
char str[256];
FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr, err_, 0, wstr, sizeof(wstr), nullptr);
WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str,
sizeof(str), nullptr, nullptr);
int l = strlen(str);
if ((l >= 2) && (str[l-2] == '\r') && (str[l-1] == '\n'))
str[l-2] = 0;
return str;
}
#endif
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