/*
 * LibUSB test utility library
 *
 * This program generates a list of USB devices for use by libusbx52.so
 *
 * Copyright (C) Nirenjan Krishnan (nirenjan@nirenjan.org)
 *
 *  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, version 2.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "libusbx52.h"

int main(int argc, char *argv[])
{
    char *data_file;
    FILE *data;
    char **id_pair;
    int vid;
    int pid;
    int parsed;
    int i;

    data_file = getenv(INPUT_DEVICE_LIST_ENV);
    if (data_file == NULL || data_file[0] == '\0') {
        data_file = DEFAULT_INPUT_DEVICE_LIST_FILE;
    }
    data = fopen(data_file, "w");
    if (data == NULL) {
        fprintf(stderr, "Unable to open %s for writing\n", data_file);
        fprintf(stderr, "%s\n", strerror(errno));
    }

    /* Process arguments until there are fewer than 2 remaining */
    for (i = 1; i < argc && (argc - i) >= 2; i += 2) {
        parsed = sscanf(argv[i], "%x", &vid);
        if (parsed != 1) break;

        parsed = sscanf(argv[i+1], "%x", &pid);
        if (parsed != 1) break;

        fprintf(data, "%04x %04x\n", vid, pid);
    }

    fclose(data);
    return 0;
}