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/* libstocks - Library to get current stock quotes from Yahoo Finance
*
* Copyright (C) 2000 Eric Laeuffer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#define __CURRENCY_C__
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <stdlib.h>
#include "stocks.h"
/*****************************************************************************/
/* returns the currency exchange rate of "from" currency into */
/* "into" currency. */
/*****************************************************************************/
libstocks_return_code get_currency_exchange(char *from,
char *into,
float *exchange)
{
char *symbol;
stock *data;
libstocks_return_code error;
if((symbol = (char *)malloc(strlen(from)+strlen(into)+3))==NULL)
{
fprintf(stderr,"Memory allocating error (%s line %d)\n"
,__FILE__, __LINE__);
exit(1);
}
strcpy(symbol, from);
strcat(symbol, into);
strcat(symbol, "=X");
error = get_stocks(symbol, &data);
free(symbol);
if (error)
{
*exchange = 0;
return(error);
}
free_stocks(data);
*exchange = data->CurrentPrice;
return(error);
}
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