Beispiel #1
0
void traverse_product()
{
    int result;

    result = coda_open(traverse_info.file_name, &traverse_info.pf);
    if (result != 0 && coda_errno == CODA_ERROR_FILE_OPEN)
    {
        /* maybe not enough memory space to map the file in memory =>
         * temporarily disable memory mapping of files and try again
         */
        coda_set_option_use_mmap(0);
        result = coda_open(traverse_info.file_name, &traverse_info.pf);
        coda_set_option_use_mmap(1);
    }
    if (result != 0)
    {
        handle_coda_error();
    }
    if (coda_cursor_set_product(&traverse_info.cursor, traverse_info.pf) != 0)
    {
        handle_coda_error();
    }
    if (coda_get_product_root_type(traverse_info.pf, &traverse_info.type[traverse_info.current_depth]) != 0)
    {
        handle_coda_error();
    }
    traverse_data();

    coda_close(traverse_info.pf);
    traverse_info.pf = NULL;
}
Beispiel #2
0
static int coda_match_file(coda_expression *expr, NameBuffer *path_name,
                           int (*callback) (const char *, coda_filefilter_status, const char *, void *), void *userdata)
{
    coda_product *product;
    coda_cursor cursor;
    int filter_result;
    int result;

    result = coda_open(path_name->buffer, &product);
    if (result != 0 && coda_errno == CODA_ERROR_FILE_OPEN)
    {
        /* maybe not enough memory space to map the file in memory =>
         * temporarily disable memory mapping of files and try again
         */
        coda_set_option_use_mmap(0);
        result = coda_open(path_name->buffer, &product);
        coda_set_option_use_mmap(1);
    }
    if (result != 0)
    {
        if (coda_errno == CODA_ERROR_UNSUPPORTED_PRODUCT)
        {
            return callback(path_name->buffer, coda_ffs_unsupported_file, NULL, userdata);
        }
        else
        {
            return callback(path_name->buffer, coda_ffs_could_not_open_file, coda_errno_to_string(coda_errno),
                            userdata);
        }
    }

    if (coda_cursor_set_product(&cursor, product) != 0)
    {
        coda_close(product);
        return callback(path_name->buffer, coda_ffs_error, coda_errno_to_string(coda_errno), userdata);
    }
    if (coda_expression_eval_bool(expr, &cursor, &filter_result) != 0)
    {
        return callback(path_name->buffer, coda_ffs_error, coda_errno_to_string(coda_errno), userdata);
    }
    coda_close(product);


    return callback(path_name->buffer, filter_result ? coda_ffs_match : coda_ffs_no_match, NULL, userdata);
}