Diffstat (limited to 'noncore/todayplugins/stockticker/libstocks/lists.c') (more/less context) (show whitespace changes)
| -rw-r--r-- | noncore/todayplugins/stockticker/libstocks/lists.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/noncore/todayplugins/stockticker/libstocks/lists.c b/noncore/todayplugins/stockticker/libstocks/lists.c new file mode 100644 index 0000000..1ed66b3 --- a/dev/null +++ b/noncore/todayplugins/stockticker/libstocks/lists.c @@ -0,0 +1,123 @@ +/* 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 __LISTS_C__ + +#include <malloc.h> +#include <stdio.h> +#include <string.h> + +#ifdef __WINDOWS__ +#include <stdlib.h> +#endif + +#include "stocks.h" +#include "lists.h" + +/******************************************************************************/ +/* Finds a stock in the stocks list and return the stock pointer. */ +/* *stocks points to the stocks list */ +/* *stock_to_find is the stock to find :)) */ +/******************************************************************************/ +stock *find_stock(stock *stocks, char *stock_to_find) +{ + char *test=NULL; + + while(stocks != NULL) + { + test = strstr(stocks->Symbol, stock_to_find); + if(test) return(stocks); + stocks = stocks->NextStock; + } + + return(0); +} + +/******************************************************************************/ +/* Allocate memory for a stock structure and return the pointer of this */ +/* structure. */ +/******************************************************************************/ +stock *malloc_stock(void) +{ + stock *stockptr; + + if((stockptr = (stock *)malloc(sizeof(stock)))==NULL) + { + fprintf(stderr,"Memory allocating error (%s line %d)\n" + ,__FILE__, __LINE__); + exit(1); + } + + stockptr->Symbol=NULL; + stockptr->Name=NULL; + stockptr->Time=NULL; + stockptr->Date=NULL; + stockptr->CurrentPrice=0; + stockptr->LastPrice=0; + stockptr->OpenPrice=0; + stockptr->MinPrice=0; + stockptr->MaxPrice=0; + stockptr->Variation=0; + stockptr->Pourcentage=0; + stockptr->Volume=0; + stockptr->PreviousStock=0; + stockptr->NextStock=0; + + return(stockptr); +} + +/******************************************************************************/ +/* Deallocates a stock structure. */ +/* *stocks_to_free is the pointer of the structure to free */ +/******************************************************************************/ +void free_stocks(stock *stock_to_free) +{ + stock *next_stock; + + while(stock_to_free) + { + next_stock = stock_to_free->NextStock; + free(stock_to_free->Symbol); + free(stock_to_free->Name); + free(stock_to_free->Time); + free(stock_to_free->Date); + free(stock_to_free); + stock_to_free = next_stock; + } +} + +/******************************************************************************/ +/* Returns the next stock structure from the list. */ +/* *the_stocks points to the list. */ +/******************************************************************************/ +stock *next_stock(stock *the_stock) +{ + return((stock *)(the_stock->NextStock)); +} + +/******************************************************************************/ +/* Returns the previous stock structure from the list. */ +/* *the_stocks points to the list. */ +/******************************************************************************/ +stock *previous_stock(stock *the_stock) +{ + return((stock *)(the_stock->PreviousStock)); +} + |