C++ (Cpp) isc_keyboard_getchar Examples

Example #1

File: entropy2_test.c Project: ElRevo/xia-core

static isc_result_t
get(isc_entropysource_t *source, void *arg, isc_boolean_t blocking) {
	isc_keyboard_t *kbd = (isc_keyboard_t *)arg;
	isc_result_t result;
	isc_time_t t;
	isc_uint32_t sample;
	isc_uint32_t extra;
	unsigned char c;

	if (!blocking)
		return (ISC_R_NOENTROPY);

	result = isc_keyboard_getchar(kbd, &c);
	if (result != ISC_R_SUCCESS)
		return (result);

	TIME_NOW(&t);

	sample = isc_time_nanoseconds(&t);
	extra = c;

	result = isc_entropy_addcallbacksample(source, sample, extra);
	if (result != ISC_R_SUCCESS) {
		printf("\r\n");
		return (result);
	}

	printf(".");
	fflush(stdout);

	return (result);
}

Example #2

File: keyboard_test.c Project: jhbsz/netbsd

int
main(int argc, char **argv) {
	isc_keyboard_t kbd;
	unsigned char c;
	isc_result_t res;
	unsigned int count;

	UNUSED(argc);
	UNUSED(argv);

	isc__mem_register();
	isc__task_register();
	isc__timer_register();
	isc__socket_register();
	printf("Type Q to exit.\n");

	res = isc_keyboard_open(&kbd);
	CHECK("isc_keyboard_open()", res);

	c = 'x';
	count = 0;
	while (res == ISC_R_SUCCESS && c != 'Q') {
		res = isc_keyboard_getchar(&kbd, &c);
		printf(".");
		fflush(stdout);
		count++;
		if (count % 64 == 0)
			printf("\r\n");
	}
	printf("\r\n");
	if (res != ISC_R_SUCCESS) {
		printf("FAILURE:  keyboard getchar failed:  %s\r\n",
		       isc_result_totext(res));
		goto errout;
	}

 errout:
	res = isc_keyboard_close(&kbd, 3);
	CHECK("isc_keyboard_close()", res);

	return (0);
}