mrw-cxx/mrw/errno.cpp

/** @file

    $Id$

    $Date$
    $Author$
    @copy © Marc Wäckerlin
    @license LGPL, see file <a href="license.html">COPYING</a>

    $Log$
    Revision 1.3  2005/02/28 07:29:18  marc
    added ifdef for non glibc (Solaris)

    Revision 1.2  2005/02/18 15:53:07  marc
    I'm so stupid, there's strerror for mapping errno to a string...

    Revision 1.1  2005/02/08 12:30:22  marc
    new in release 1.8.0


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*/

#include <mrw/errno.hpp>
#include <mrw/string.hpp>
#include <errno.h>
#include <string.h>
#ifndef __GLIBC__
#include <mrw/stdext.hpp>
#endif

mrw::Errno::Errno() throw(): _errno(errno) {}

mrw::Errno::operator std::string() const throw(std::bad_exception) {
#ifdef __GLIBC__
  char error[1024];
  return !strerror_r(_errno, error, 1024) ?
    error : std::string("errno=")+_errno;
#else
  return mrw::ifelse(strerror(_errno), (std::string("errno=")+_errno).c_str());
#endif
}
      
std::string mrw::Errno::string() const throw(std::bad_exception) {
#ifdef __GLIBC__
  char error[1024];
  return !strerror_r(_errno, error, 1024) ?
    error : std::string("errno=")+_errno;
#else
  return mrw::ifelse(strerror(_errno), (std::string("errno=")+_errno).c_str());
#endif
}