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/* -*- Mode:C++ -*- */
/*
* const_str.hh
* Copyright (C) 1999 by John Heidemann
* $Id: const_str.hh,v 1.4 1999/09/06 18:16:16 johnh Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef lavaps_const_str_h
#define lavaps_const_str_h
#include <string.h>
class const_str {
protected:
const char *rep_;
static const char *safe_strdup(const char *s) { return s ? strdup(s) : NULL; }
static void safe_free(const char *s) { if (s) free((void*)s); }
public:
const_str() { rep_ = NULL; }
const_str(char *s) { rep_ = safe_strdup(s); }
const_str(const const_str& cs) { rep_ = safe_strdup(cs.c_str()); }
~const_str() { safe_free(rep_); }
const const_str& operator=(const const_str& cs) { safe_free(rep_); rep_ = safe_strdup(cs.c_str()); return *this; }
const const_str& operator=(const char *s) { safe_free(rep_); rep_ = safe_strdup(s); return *this; }
const char *c_str() const { return rep_; }
};
#endif /* lavaps_const_str_h */
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