Diffstat (limited to 'noncore/todayplugins/stockticker/libstocks/stocks.c') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/todayplugins/stockticker/libstocks/stocks.c | 189 |
1 files changed, 95 insertions, 94 deletions
diff --git a/noncore/todayplugins/stockticker/libstocks/stocks.c b/noncore/todayplugins/stockticker/libstocks/stocks.c index eb04ba9..3a26a47 100644 --- a/noncore/todayplugins/stockticker/libstocks/stocks.c +++ b/noncore/todayplugins/stockticker/libstocks/stocks.c @@ -60,288 +60,289 @@ typedef enum { } yahoo_source; #define YAHOO_US_EXT_NB 11 const char *yahoo_us_ext[YAHOO_US_EXT_NB] = { ".US", /* United States */ ".TO", /* Canada */ ".M", /* Canada */ ".V", /* Canada */ ".AL", /* Canada */ ".MX", /* Mexico */ ".SA", /* Brasil */ ".BA", /* Argentina */ ".CR", /* Venezuela */ ".SN", /* Chili */ ".AX" /* Australia */ }; /*****************************************************************************/ /* Finds, according to the symbol extension, the http source of the quotes. */ /* Actually just finance.yahoo.com and fr.finance.yahoo.com are supported. */ /* The function returns the country source (US or EUROPE). */ /*****************************************************************************/ yahoo_source find_yahoo_source(char *symbol) { char *ptr; int i; int test; ptr = strrchr(symbol, '.'); /* If no extension we suppose it is a US stock */ if (!ptr) return YAHOO_US; /* extension is found */ /* Test if it is canadian stock */ for (i=0; i<YAHOO_US_EXT_NB; i++) { #ifdef __UNIX__ test = strcasecmp(yahoo_us_ext[i], ptr); #elif __WINDOWS__ test = _mbsnbicmp(yahoo_us_ext[i], ptr, strlen(yahoo_us_ext[i])); #endif if (!test) return YAHOO_US; } - + /* We suppose now it is a European stock */ return YAHOO_EUROPE; } /*****************************************************************************/ /* Gets quotes csv file, parses the file and create the quotes list */ /* *stocks points to the stocks to fetch */ /* *stock_datas points to the beginning of the list */ /* count allows to connect to all country servers */ /*****************************************************************************/ -libstocks_return_code download_stocks(char *stocks, - stock **stock_datas, +libstocks_return_code download_stocks(char *stocks, + stock **stock_datas, yahoo_source source) { char *stocks_server=NULL; char *url_beg=NULL; char *url_end=NULL; char *url; char *data; libstocks_return_code error; #ifdef DEBUG printf("*download_stocks\n"); #endif switch (source) { case YAHOO_US: stocks_server = (char *)yahoo_us_stocks_server; break; - + case YAHOO_EUROPE: stocks_server = (char *)yahoo_eu_stocks_server; break; default: stocks_server = (char *)yahoo_us_stocks_server; break; - + } url_beg = (char *)yahoo_url_beg; url_end = (char *)yahoo_url_end; url = (char *)malloc(strlen(url_beg) +strlen(url_end) +strlen(stocks)+1); if (url==NULL) { fprintf(stderr,"Memory allocating error (%s line %d)\n" ,__FILE__, __LINE__); exit(1); } strcpy(url, url_beg); strcat(url, stocks); strcat(url, url_end); - + error=http_get(url, stocks_server, &data); - + free(url); if (error) return error; - + *stock_datas = parse_csv_file(data); free(data); if (!(*stock_datas)) return ERRPCSV; return 0; } /*****************************************************************************/ /* Gets quotes from yahoo */ /* Choses to fetch European or US depending on the symbol extension */ /* and merges the two lists to one */ /* *stocks points to the stocks to fetch */ /* *stock_datas points to the beginning of the list */ /*****************************************************************************/ libstocks_return_code get_stocks(const char *stocks, stock **stock_datas) { char *tok_ptr; char *eu_quotes=NULL; char *eu_quotes_temp=NULL; int lgr_eu_quotes=0; char *us_quotes=NULL; char *us_quotes_temp=NULL; int lgr_us_quotes=0; char *symbol; yahoo_source source; int lgr_symbol=0; libstocks_return_code error; stock *stocks_tmp=NULL; stock *stocks_tmp2=NULL; stock *stocks_getted=NULL; stock *last_stock=NULL; #ifdef DEBUG printf("*get_stocks\n"); #endif /* to preserve stocks */ tok_ptr = malloc(strlen(stocks)+1); if(tok_ptr==NULL) { fprintf(stderr,"Memory allocating error (%s line %d)\n" ,__FILE__, __LINE__); - exit(1); + exit(1); } strcpy(tok_ptr, stocks); while( (symbol = strtok(tok_ptr, "+"))!=0) { /* clear tok_ptr for next strtok */ tok_ptr = NULL; /* look for "." in the symbol */ source = find_yahoo_source(symbol); switch (source) - { - case YAHOO_US: - - if (us_quotes) - { - lgr_us_quotes = strlen(us_quotes); - lgr_symbol = strlen(symbol); - - us_quotes_temp = malloc(lgr_us_quotes + lgr_symbol +2); - if(us_quotes_temp==NULL) - { - fprintf(stderr,"Memory allocating error (%s line %d)\n" - ,__FILE__, __LINE__); - exit(1); - } - strcpy(us_quotes_temp, us_quotes); - strcat(us_quotes_temp,"+"); - strcat(us_quotes_temp,symbol); - - free(us_quotes); - us_quotes = us_quotes_temp; - } - else - { - us_quotes = malloc(strlen(symbol)+1); - - if(us_quotes==NULL) - { - fprintf(stderr,"Memory allocating error (%s line %d)\n" - ,__FILE__, __LINE__); - exit(1); - } - strcpy(us_quotes, symbol); - } - - break; - - case YAHOO_EUROPE: - - if (eu_quotes) - { - lgr_eu_quotes = strlen(eu_quotes); - lgr_symbol = strlen(symbol); - - eu_quotes_temp = malloc(lgr_eu_quotes + lgr_symbol +2); - if(eu_quotes_temp==NULL) - { - fprintf(stderr,"Memory allocating error (%s line %d)\n" - ,__FILE__, __LINE__); - exit(1); - } - strcpy(eu_quotes_temp, eu_quotes); - strcat(eu_quotes_temp, "+"); - strcat(eu_quotes_temp, symbol); - - free(eu_quotes); - eu_quotes = eu_quotes_temp; - } - else - { - eu_quotes = malloc(strlen(symbol)+1); - if(eu_quotes==NULL) - { - fprintf(stderr,"Memory allocating error (%s line %d)\n" - ,__FILE__, __LINE__); - exit(1); - } - strcpy(eu_quotes, symbol); - } - break; - } + { + case YAHOO_US: + if (us_quotes) + { + lgr_us_quotes = strlen(us_quotes); + lgr_symbol = strlen(symbol); + + us_quotes_temp = malloc(lgr_us_quotes + lgr_symbol +2); + if(us_quotes_temp==NULL) + { + fprintf(stderr,"Memory allocating error (%s line %d)\n", + __FILE__, __LINE__); + exit(1); + } + strcpy(us_quotes_temp, us_quotes); + strcat(us_quotes_temp,"+"); + strcat(us_quotes_temp,symbol); + + free(us_quotes); + us_quotes = us_quotes_temp; + } + else + { + us_quotes = malloc(strlen(symbol)+1); + + if(us_quotes==NULL) + { + fprintf(stderr,"Memory allocating error (%s line %d)\n", + __FILE__, __LINE__); + exit(1); + } + strcpy(us_quotes, symbol); + } + + break; + + case YAHOO_EUROPE: + if (eu_quotes) + { + lgr_eu_quotes = strlen(eu_quotes); + lgr_symbol = strlen(symbol); + + eu_quotes_temp = malloc(lgr_eu_quotes + lgr_symbol +2); + if(eu_quotes_temp==NULL) + { + fprintf(stderr,"Memory allocating error (%s line %d)\n", + __FILE__, __LINE__); + exit(1); + } + strcpy(eu_quotes_temp, eu_quotes); + strcat(eu_quotes_temp, "+"); + strcat(eu_quotes_temp, symbol); + + free(eu_quotes); + eu_quotes = eu_quotes_temp; + } + else + { + eu_quotes = malloc(strlen(symbol)+1); + if(eu_quotes==NULL) + { + fprintf(stderr,"Memory allocating error (%s line %d)\n", + __FILE__, __LINE__); + exit(1); + } + strcpy(eu_quotes, symbol); + } + break; + } } free(tok_ptr); if (us_quotes) { /* Gets us quotes */ error = download_stocks(us_quotes, &stocks_tmp, YAHOO_US); + free(us_quotes); if (error) return error; } - + if (eu_quotes) { /* Gets european quotes */ error = download_stocks(eu_quotes, &stocks_getted, YAHOO_EUROPE); + free(eu_quotes); if (error) return error; /* concats lists if needed */ if (stocks_tmp) - { - stocks_tmp2 = stocks_tmp; + { + stocks_tmp2 = stocks_tmp; - while(stocks_tmp2 != NULL) - { - last_stock = stocks_tmp2; - stocks_tmp2 = next_stock(stocks_tmp2); - } + while(stocks_tmp2 != NULL) + { + last_stock = stocks_tmp2; + stocks_tmp2 = next_stock(stocks_tmp2); + } - last_stock->NextStock = stocks_getted; - stocks_getted->PreviousStock = last_stock; + last_stock->NextStock = stocks_getted; + stocks_getted->PreviousStock = last_stock; - } - else (stocks_tmp = stocks_getted); + } + else + (stocks_tmp = stocks_getted); } - *stock_datas = stocks_tmp; - + *stock_datas = stocks_tmp; + return(0); } |