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Sourcecode: aiksaurus version File versions

AiksaurusGTK_utils.cpp

/*
 * AiksaurusGTK - A GTK interface to the AikSaurus library
 * Copyright (C) 2001 by Jared Davis
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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.
 */

// header file that we are implementing here.
#include "AiksaurusGTK_utils.h"

// cstring needed for strlen.
#include <cstring>

// new needed for nothrow.
#include <new>


bool AiksaurusGTK_strEquals(const char* lhs, const char* rhs)
{
      if ((!lhs) || (!rhs))
            return (lhs == rhs);
      
      register int i = 0;
      while(lhs[i] != '\0')
      {
            if (rhs[i] != lhs[i])
                  return false;
            
            ++i;
      }

      return (rhs[i] == '\0');
}


char* AiksaurusGTK_strCopy(const char* str)
{     
      char* ret;
      
      if (!str)
      {
            ret = new(std::nothrow) char[1];
            
            if (!ret)
                  return ret;
            
            ret[0] = '\0';
            
      }

      else
      {
            const int len = strlen(str);

            ret = new(std::nothrow) char[len+1];
      
            if (!ret)
                  return ret;
            
            for(register int i = 0;i < len;++i)
            {
                  ret[i] = str[i];
            }

            ret[len] = '\0';
      }

      return ret;
}


char* AiksaurusGTK_strConcat(const char* a, const char* b)
{
      int len_a = strlen(a);
      int len_b = strlen(b);

      char* ret = new(std::nothrow) char[len_a + len_b + 1];

      if (!ret)
            return ret;

      register int i = 0;
      
      while(i < len_a)
      {
            ret[i] = a[i];
            ++i;
      }
      
      while(i < len_b + len_a)
      {
            ret[i] = b[i - len_a];
            ++i;
      }
      
      ret[len_a + len_b] = '\0';

      return ret;
}

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