bool ArchDrive::change_arch(const char *path)
{
FILE *new_file;
// Open new archive file
if ((new_file = fopen(path, "rb")) != NULL) {
file_info.clear();
// Read header, determine archive type and parse archive contents
uint8 header[64];
fread(header, 1, 64, new_file);
bool parsed_ok = false;
if (is_t64_header(header)) {
archive_type = TYPE_T64;
parsed_ok = parse_t64_file(new_file, file_info, dir_title);
} else if (is_lynx_header(header)) {
archive_type = TYPE_LYNX;
parsed_ok = parse_lynx_file(new_file, file_info, dir_title);
} else if (is_p00_header(header)) {
archive_type = TYPE_P00;
parsed_ok = parse_p00_file(new_file, file_info, dir_title);
}
if (!parsed_ok) {
fclose(new_file);
if (the_file) {
close_all_channels();
fclose(the_file);
the_file = NULL;
}
return false;
}
// Close old archive if open, and set new file
if (the_file) {
close_all_channels();
fclose(the_file);
the_file = NULL;
}
the_file = new_file;
return true;
}
return false;
}
void T64Drive::open_close_t64_file(const char *t64name)
{
uint8 buf[64];
bool parsed_ok = false;
// Close old .t64, if open
if (the_file != NULL) {
close_all_channels();
fclose(the_file);
the_file = NULL;
delete[] file_info;
file_info = NULL;
}
// Open new .t64 file
if (t64name[0]) {
if ((the_file = fopen(t64name, "rb")) != NULL) {
// Check file ID
fread(&buf, 64, 1, the_file);
if (buf[0] == 0x43 && buf[1] == 0x36 && buf[2] == 0x34) {
is_lynx = false;
parsed_ok = parse_t64_file();
} else if (buf[0x3c] == 0x4c && buf[0x3d] == 0x59 && buf[0x3e] == 0x4e && buf[0x3f] == 0x58) {
is_lynx = true;
parsed_ok = parse_lynx_file();
}
if (!parsed_ok) {
fclose(the_file);
the_file = NULL;
delete[] file_info;
file_info = NULL;
return;
}
}
}
}
