mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-17 20:02:05 +00:00
89 lines
1.4 KiB
C++
89 lines
1.4 KiB
C++
//
|
|
// Error.cpp
|
|
//
|
|
// Library: Foundation
|
|
// Package: Core
|
|
// Module: Error
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#include "Poco/Foundation.h"
|
|
#include "Poco/UnicodeConverter.h"
|
|
#include "Poco/Error.h"
|
|
#include <string>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
|
|
|
|
int Error::last()
|
|
{
|
|
return errno;
|
|
}
|
|
|
|
|
|
class StrErrorHelper
|
|
/// This little hack magically handles all variants
|
|
/// of strerror_r() (POSIX and GLIBC) and strerror().
|
|
{
|
|
public:
|
|
explicit StrErrorHelper(int err)
|
|
{
|
|
_buffer[0] = 0;
|
|
|
|
#if (_XOPEN_SOURCE >= 600) || POCO_OS == POCO_OS_ANDROID || __APPLE__
|
|
setMessage(strerror_r(err, _buffer, sizeof(_buffer)));
|
|
#elif _GNU_SOURCE
|
|
setMessage(strerror_r(err, _buffer, sizeof(_buffer)));
|
|
#else
|
|
setMessage(strerror(err));
|
|
#endif
|
|
}
|
|
|
|
~StrErrorHelper()
|
|
{
|
|
}
|
|
|
|
const std::string& message() const
|
|
{
|
|
return _message;
|
|
}
|
|
|
|
protected:
|
|
void setMessage(int rc)
|
|
/// Handles POSIX variant
|
|
{
|
|
_message = _buffer;
|
|
}
|
|
|
|
void setMessage(const char* msg)
|
|
/// Handles GLIBC variant
|
|
{
|
|
_message = msg;
|
|
}
|
|
|
|
private:
|
|
char _buffer[256];
|
|
std::string _message;
|
|
};
|
|
|
|
std::string Error::getMessage(int errorCode)
|
|
{
|
|
StrErrorHelper helper(errorCode);
|
|
return helper.message();
|
|
}
|
|
|
|
|
|
|
|
|
|
} // namespace Poco
|