barrier/lib/base/XBase.cpp

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#include "XBase.h"
#include <cerrno>
#include <cstdarg>
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// win32 wants a const char* argument to std::exception c'tor
#if WINDOWS_LIKE
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#define STDEXCEPTARG ""
#endif
// default to no argument
#ifndef STDEXCEPTARG
#define STDEXCEPTARG
#endif
//
// XBase
//
XBase::XBase() :
exception(STDEXCEPTARG),
m_what()
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{
// do nothing
}
XBase::XBase(const CString& msg) :
exception(STDEXCEPTARG),
m_what(msg)
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{
// do nothing
}
XBase::~XBase()
{
// do nothing
}
const char*
XBase::what() const
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{
if (m_what.empty()) {
m_what = getWhat();
}
return m_what.c_str();
}
CString
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XBase::format(const char* /*id*/, const char* fmt, ...) const throw()
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{
// FIXME -- lookup message string using id as an index. set
// fmt to that string if it exists.
// format
CString result;
va_list args;
va_start(args, fmt);
try {
result = CStringUtil::vformat(fmt, args);
}
catch (...) {
// ignore
}
va_end(args);
return result;
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}
//
// MXErrno
//
MXErrno::MXErrno() :
m_errno(errno)
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{
// do nothing
}
MXErrno::MXErrno(int err) :
m_errno(err)
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{
// do nothing
}
int
MXErrno::getErrno() const
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{
return m_errno;
}
const char*
MXErrno::getErrstr() const
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{
return strerror(m_errno);
}