Modified test.c from [dcf2fb997e] to [a3fe09560a].

   106    106   	CK_ULONG byte_idx;
   107    107   	CK_UTF8CHAR user_pin[1024], *pucValue;
   108    108   	CK_OBJECT_CLASS objectClass;
   109    109   	CK_BYTE signature[1024], encrypted_buf[16384], decrypted_buf[16384];
   110    110   	CK_ULONG signature_len, encrypted_buflen, decrypted_buflen;
   111    111   	CK_MECHANISM mechanism = {CKM_RSA_PKCS, NULL, 0};
   112    112   	CK_RV chk_rv;
          113  +	char *fgets_ret;
   113    114   	int i;
   114    115   
   115    116   	privateKeyObjects = malloc(sizeof(*privateKeyObjects) * 1024);
   116    117   	privateKeyObjects_root = privateKeyObjects;
   117    118   	for (i = 0; i < 1024; i++) {
   118    119   		privateKeyObjects[i] = CK_INVALID_HANDLE;
   119    120   	}
................................................................................
   261    262   			printf("\n");
   262    263   		}
   263    264   	}
   264    265   
   265    266   	chk_rv = C_OpenSession(slots[0], CKF_SERIAL_SESSION, NULL, NULL, &hSession);
   266    267   	if (chk_rv == CKR_OK) {
   267    268   		if ((tokenInfo.flags & CKF_LOGIN_REQUIRED) == CKF_LOGIN_REQUIRED) {
   268         -			printf("** ENTER PIN: ");
   269         -			fflush(stdout);
          269  +			fgets_ret = NULL;
   270    270   
   271         -			fgets((char *) user_pin, sizeof(user_pin), stdin);
   272         -			while (user_pin[strlen((char *) user_pin) - 1] < ' ') {
   273         -				user_pin[strlen((char *) user_pin) - 1] = '\0';
          271  +			while (fgets_ret == NULL) {
          272  +				printf("** ENTER PIN: ");
          273  +				fflush(stdout);
          274  +
          275  +				fgets_ret = fgets((char *) user_pin, sizeof(user_pin), stdin);
          276  +			}
          277  +
          278  +			if (strlen(user_pin) >= 1) {
          279  +				while (user_pin[strlen((char *) user_pin) - 1] < ' ') {
          280  +					user_pin[strlen((char *) user_pin) - 1] = '\0';
          281  +				}
   274    282   			}
   275    283   
   276    284   			chk_rv = C_Login(hSession, CKU_USER, user_pin, strlen((char *) user_pin));
   277    285   		} else {
   278    286   			chk_rv = C_Login(hSession, CKU_USER, NULL, 0);
   279    287   		}
   280    288   		if (chk_rv == CKR_OK) {