/*
* Copyright (c) 2002, 2003, Scott Nicol <esniper@users.sf.net>
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This program will "snipe" an auction on eBay, automatically placing
* your bid a few seconds before the auction ends.
*
* For updates, bug reports, etc, please go to http://esniper.sf.net/.
*/
#include "auctionfile.h"
#include "buffer.h"
#include "util.h"
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
/*
* readAuctionFile(): read a file listing auctions to watch.
*
* returns: number of auctions to watch
*/
int
readAuctionFile(const char *filename, auctionInfo ***aip)
{
FILE *fp = fopen(filename, "r");
char *buf = NULL;
size_t bufsize = 0, count = 0, line;
int c, i, j, numAuctions = 0;
if (fp == NULL) {
fprintf(stderr, "Cannot open auction file %s: %s\n", filename,
strerror(errno));
return -1;
}
while (numAuctions != -1 && (c = getc(fp)) != EOF) {
if (isspace(c))
continue;
/* skip comments and anything starting with a letter
* (assume it is a configuration option)
*/
if ((c == '#') || isalpha(c))
c = skipline(fp);
else if (isdigit(c)) {
++numAuctions;
/* get auction number */
line = count;
do {
addchar(buf, bufsize, count, (char)c);
} while (isdigit(c = getc(fp)));
while (isspace(c) && c != '\n' && c != '\r')
c = getc(fp);
if (c == '#') /* comment? */
c = skipline(fp);
/* no price? */
if (c == EOF || c == '\n' || c == '\r') {
/* use price of previous auction */
if (numAuctions == 1) {
fprintf(stderr, "Cannot find price on first auction\n");
numAuctions = -1;
}
} else {
addchar(buf, bufsize, count, ' ');
/* get price */
for (; isdigit(c) || c == '.' || c == ','; c = getc(fp))
addchar(buf, bufsize, count, (char)c);
while (isspace(c) && c != '\n' && c != '\r')
c = getc(fp);
if (c == '#') /* comment? */
c = skipline(fp);
if (c != EOF && c != '\n' && c != '\r') {
term(buf, bufsize, count);
fprintf(stderr, "Invalid auction line: %s\n", &buf[line]);
numAuctions = -1;
}
}
addchar(buf, bufsize, count, '\n');
} else {
fprintf(stderr, "Invalid auction line: ");
do {
putc(c, stderr);
} while ((c = getc(fp)) != EOF && c != '\n' && c != '\r');
putc('\n', stderr);
numAuctions = -1;
}
if (c == EOF)
break;
}
fclose(fp);
if (numAuctions > 0) {
*aip = (auctionInfo **)myMalloc(sizeof(auctionInfo *) * (size_t)numAuctions);
for (i = 0, j = 0; i < numAuctions; ++i, ++j) {
char *auction, *bidPriceStr;
auction = &buf[j];
for (; !isspace((int)(buf[j])); ++j)
;
if (buf[j] == '\n') {
buf[j] = '\0';
bidPriceStr = (*aip)[i-1]->bidPriceStr;
} else {
buf[j] = '\0';
bidPriceStr = &buf[++j];
for (; buf[j] != '\n'; ++j)
;
buf[j] = '\0';
}
(*aip)[i] = newAuctionInfo(auction, bidPriceStr);
}
} else if (numAuctions == 0)
fprintf(stderr, "Cannot find any auctions!\n");
free(buf);
return numAuctions;
} /* readAuctions() */