Qucs-core
0.0.19
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00001 /* 00002 * exception.cpp - exception class implementation 00003 * 00004 * Copyright (C) 2004 Stefan Jahn <stefan@lkcc.org> 00005 * 00006 * This is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2, or (at your option) 00009 * any later version. 00010 * 00011 * This software is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this package; see the file COPYING. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 * 00021 * $Id$ 00022 * 00023 */ 00024 00025 #if HAVE_CONFIG_H 00026 # include <config.h> 00027 #endif 00028 00029 #include <stdio.h> 00030 #include <stdlib.h> 00031 #include <string.h> 00032 #include <stdarg.h> 00033 00034 #include "exception.h" 00035 00036 using namespace qucs; 00037 00038 // Constructor creates an instance of the exception class. 00039 exception::exception () { 00040 code = EXCEPTION_UNKNOWN; 00041 txt = NULL; 00042 data = 0; 00043 } 00044 00045 // Constructor creates an typified instance of the exception class. 00046 exception::exception (int type) { 00047 code = type; 00048 txt = NULL; 00049 data = 0; 00050 } 00051 00052 /* This copy constructor creates a instance of the exception class based 00053 on the given exception. */ 00054 exception::exception (const exception & e) { 00055 txt = e.txt ? strdup (e.txt) : NULL; 00056 code = e.code; 00057 data = e.data; 00058 } 00059 00060 // Destructor deletes an instance of the exception class. 00061 exception::~exception () { 00062 free (txt); 00063 } 00064 00065 /* This function save the given messages format and the appropriate 00066 arguments to the internal text property of the exception object. */ 00067 void exception::setText (const char * format, ...) { 00068 char * str; 00069 va_list args; 00070 00071 free (txt); 00072 str = (char *) malloc (1024); // this should be enough 00073 va_start (args, format); 00074 vsprintf (str, format, args); 00075 va_end (args); 00076 00077 // copy string to text buffer 00078 txt = strdup (str); free (str); 00079 }