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/*
* active port forwarder - software for secure forwarding
* Copyright (C) 2003-2007 jeremian <jeremian [at] poczta.fm>
*
* 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.
*
*/
#include <stdlib.h>
#include <assert.h>
#include "string_functions.h"
/*
* Function name: set_value
* Description: If the variable has no value, set it from the given string.
* If the given string is NULL, use default value.
* Arguments: dest - the destination variable
* from - the given string
* def - the default value
*/
void
set_value(char** dest, char* from, char* def)
{
assert(dest != NULL);
if ((*dest) == NULL) {
if (from != NULL) {
string_cp(dest, from);
}
else {
(*dest) = def;
}
}
}
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