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;
}
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);
}
