/*
* lftp - file transfer program
*
* Copyright (c) 1996-2012 by Alexander V. Lukyanov (lav@yars.free.net)
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "StringPool.h"
#include "xarray.h"
xarray_m<char> StringPool::strings;
const char *StringPool::Get(const char *s)
{
if(!s)
return 0;
int l=0;
int u=strings.count();
while(l<u)
{
int m = (l + u) / 2;
int cmp = strcmp(strings[m], s);
if(cmp==0) // found it.
return strings[m];
if(cmp>0)
u=m;
else
l=m+1;
}
// not found.
// l==u points to first elementh greater than s or past end of array.
strings.insert(xstrdup(s),u);
return strings[u];
}