CLAM-Development
1.1
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00001 /* 00002 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG) 00003 * UNIVERSITAT POMPEU FABRA 00004 * 00005 * 00006 * This program 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 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program 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 program; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 * 00020 */ 00021 00022 #include "Err.hxx" 00023 #include <cstdio> 00024 #include <cstring> 00025 #include <new> 00026 00027 namespace CLAM { 00028 00029 /* invoking the default constructor */ 00030 Err::Err() throw() 00031 { 00032 mMsg = 0; 00033 } 00034 00035 /* invoking the overloaded constructor */ 00036 Err::Err(const char* msg) throw() 00037 { 00038 mMsg = new(std::nothrow) char[strlen(msg)+1]; 00039 if (!mMsg) return; 00040 strncpy(mMsg,msg,strlen(msg)+1); 00041 } 00042 00043 Err::Err(const Err& orig) throw() 00044 { 00045 mMsg = new(std::nothrow) char[strlen(orig.what())+1]; 00046 if (!mMsg) return; 00047 strncpy(mMsg,orig.what(),strlen(orig.what())+1); 00048 } 00049 00050 Err::~Err() throw() 00051 { 00052 if ( mMsg ) 00053 delete [] mMsg; 00054 }; 00055 00056 /* specifying the header's member function */ 00057 void Err::Print(void) const throw() 00058 { 00059 fprintf(stderr,"CLAM Error: "); 00060 if (mMsg) 00061 fprintf(stderr,mMsg); 00062 else 00063 fprintf(stderr,"Unknown Error"); 00064 fprintf(stderr,"\n"); 00065 } 00066 00067 void Err::Embed(const std::exception &e) throw() 00068 { 00069 Embed(e.what()); 00070 } 00071 00072 void Err::Embed(const char* str) throw() 00073 { 00074 static const char* separation = "\n Nested error: "; 00075 size_t msgLen = strlen(mMsg); 00076 size_t sepLen = strlen(separation); 00077 size_t strLen = strlen(str); 00078 size_t len; 00079 char* msg; 00080 len = msgLen + sepLen + strLen + 1; 00081 msg = new(std::nothrow) char[len]; 00082 if (!msg) return; 00083 strcpy(msg,mMsg); 00084 strcpy(msg+msgLen,separation); 00085 strcpy(msg+msgLen+sepLen,str); 00086 delete [] mMsg; 00087 mMsg = msg; 00088 } 00089 00090 } 00091