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80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
/* mySTL stdexcept.hpp
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*
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* Copyright (C) 2003 Sawtooth Consulting Ltd.
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*
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* This file is part of yaSSL.
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*
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* yaSSL 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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* yaSSL 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
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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/* mySTL memory implements exception, runtime_error
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*
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*/
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#ifndef mySTL_STDEXCEPT_HPP
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#define mySTL_STDEXCEPT_HPP
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#include <string.h> // strncpy
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#include <assert.h> // assert
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#include <stdlib.h> // size_t
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namespace mySTL {
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class exception {
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public:
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exception() {}
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virtual ~exception() {} // to shut up compiler warnings
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virtual const char* what() const { return ""; }
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// for compiler generated call, never used
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static void operator delete(void*) { assert(0); }
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private:
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// don't allow dynamic creation of exceptions
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static void* operator new(size_t);
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};
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class named_exception : public exception {
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public:
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enum { NAME_SIZE = 80 };
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explicit named_exception(const char* str)
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{
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strncpy(name_, str, NAME_SIZE);
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name_[NAME_SIZE - 1] = 0;
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}
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virtual const char* what() const { return name_; }
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private:
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char name_[NAME_SIZE];
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};
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class runtime_error : public named_exception {
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public:
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explicit runtime_error(const char* str) : named_exception(str) {}
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};
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} // namespace mySTL
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#endif // mySTL_STDEXCEPT_HPP
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