Exemplos de find_params em C++ (Cpp)

Exemplo n.º 1

Arquivo: tee_supplicant.c Projeto: liuyq/optee_client

static bool process_one_request(struct thread_arg *arg)
{
	union tee_rpc_invoke request;
	size_t num_params;
	size_t num_meta;
	struct tee_ioctl_param *params;
	uint32_t func;
	uint32_t ret;

	DMSG("looping");
	memset(&request, 0, sizeof(request));
	request.recv.num_params = RPC_NUM_PARAMS;

	/* Let it be known that we can deal with meta parameters */
	params = (struct tee_ioctl_param *)(&request.send + 1);
	params->attr = TEE_IOCTL_PARAM_ATTR_META;

	num_waiters_inc(arg);

	if (!read_request(arg->fd, &request))
		return false;

	if (!find_params(&request, &func, &num_params, &params, &num_meta))
		return false;

	if (num_meta && !num_waiters_dec(arg) && !spawn_thread(arg))
		return false;

	switch (func) {
	case OPTEE_MSG_RPC_CMD_LOAD_TA:
		ret = load_ta(num_params, params);
		break;
	case OPTEE_MSG_RPC_CMD_FS:
		ret = tee_supp_fs_process(num_params, params);
		break;
	case OPTEE_MSG_RPC_CMD_RPMB:
		ret = process_rpmb(num_params, params);
		break;
	case OPTEE_MSG_RPC_CMD_SHM_ALLOC:
		ret = process_alloc(arg, num_params, params);
		break;
	case OPTEE_MSG_RPC_CMD_SHM_FREE:
		ret = process_free(num_params, params);
		break;
	case OPTEE_MSG_RPC_CMD_GPROF:
		ret = gprof_process(num_params, params);
		break;
	case OPTEE_MSG_RPC_CMD_SOCKET:
		ret = tee_socket_process(num_params, params);
		break;
	default:
		EMSG("Cmd [0x%" PRIx32 "] not supported", func);
		/* Not supported. */
		ret = TEEC_ERROR_NOT_SUPPORTED;
		break;
	}

	request.send.ret = ret;
	return write_response(arg->fd, &request);
}

Exemplo n.º 2

int
main(int argc, char **argv) {
    int fd;
    unsigned int cmd;
    char *progname, *p;

    progname = argv[0];
    if ((p = strrchr(progname, '/')) != NULL)
	    progname = p+1;

    setlocale(LC_ALL, "");
    bindtextdomain(PACKAGE, LOCALEDIR);
    textdomain(PACKAGE);

    if (argc == 2 &&
	(!strcmp(argv[1], "-V") || !strcmp(argv[1], "--version"))) {
	    printf(_("%s from %s\n"), progname, util_linux_version);
	    exit(0);
    }

    if (argc < 2)
	    usage(progname);
    cmd = FDSETPRM;
    if (*argv[1] == '-') {
	switch (argv[1][1]) {
	    case 'c':
		cmd = FDCLRPRM;
		break;
	    case 'p':
		cmd = FDDEFPRM;
		break;
	    case 'y':
		cmd = FDMSGON;
		break;
	    case 'n':
		cmd = FDMSGOFF;
		break;
#ifdef FDMEDCNG
	    case 'd':
		cmd = FDMEDCNG;
		break;
#endif
	    default:
		usage(progname);
	}
	argc--;
	argv++;
    }
    if ((fd = open(argv[1],3)) < 0) { /* O_WRONLY needed in a few kernels */
	perror(argv[1]);
	exit(1);
    }
    if (cmd != FDSETPRM && cmd != FDDEFPRM) {
	if (argc != 2) usage(progname);
	cmd_without_param(cmd,fd);
    }
    if (argc != 11 && argc != 3)
	usage(progname);
    else if (argc == 11)
	set_params(cmd,fd,&argv[2]);
    else
	find_params(cmd,fd,argv[2]);
    /* not reached */
    return 0;
}