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104 lines
2.5 KiB
104 lines
2.5 KiB
/*
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* error.cc Error handling
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* Copyright (C) 2000 Arne Schirmacher <arne@schirmacher.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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// C++ includes
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#include <string>
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#include <iostream>
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#include <sstream>
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#include <iomanip>
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using std::ostringstream;
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using std::string;
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using std::endl;
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using std::ends;
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using std::cerr;
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// C includes
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#include <errno.h>
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#include <string.h>
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// local includes
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#include "error.h"
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void real_fail_neg( int eval, const char *eval_str, const char *func, const char *file, int line )
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{
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if ( eval < 0 )
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{
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string exc;
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ostringstream sb;
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sb << file << ":" << line << ": In function \"" << func << "\": \"" << eval_str << "\" evaluated to " << eval;
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if ( errno != 0 )
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sb << endl << file << ":" << line << ": errno: " << errno << " (" << strerror( errno ) << ")";
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sb << ends;
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exc = sb.str();
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cerr << exc << endl;
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throw exc;
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}
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}
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/** error handler for NULL result codes
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Whenever this is called with a NULL argument, it will throw an
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exception. Typically used with functions like malloc() and new().
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*/
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void real_fail_null( const void *eval, const char *eval_str, const char *func, const char *file, int line )
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{
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if ( eval == NULL )
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{
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string exc;
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ostringstream sb;
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sb << file << ":" << line << ": In function \"" << func << "\": " << eval_str << " is NULL" << ends;
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exc = sb.str();
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cerr << exc << endl;
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throw exc;
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}
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}
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void real_fail_if( bool eval, const char *eval_str, const char *func, const char *file, int line )
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{
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if ( eval == true )
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{
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string exc;
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ostringstream sb;
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sb << file << ":" << line << ": In function \"" << func << "\": condition \"" << eval_str << "\" is true";
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if ( errno != 0 )
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sb << endl << file << ":" << line << ": errno: " << errno << " (" << strerror( errno ) << ")";
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sb << ends;
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exc = sb.str();
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cerr << exc << endl;
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throw exc;
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}
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}
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