char buf[1024];
int pos = 0;
while (pos < 1024) {
	bool result = machine->ReadMem((int)&name[pos], 1, (int *)&buf[pos]);
	if (!result) {
		//Invalid memory access
		printf("Unable to open file: invalid filename\n");
		return -1;
	}
	if (buf[pos] == 0)
		break;
	++pos;
}
if (pos >= 1024) {
	//No null terminator
	printf("Unable to open file: invalid filename\n");
	return -1;
}