Function ask

src/alice/tdr.cpp:637–672

//

static SINT64 ask()
{
	AliceGlobals* tdgbl = AliceGlobals::getSpecific();

	if (tdgbl->uSvc->isService())
		return ~SINT64(0);

	char response[32];
	SINT64 switches = 0;

	while (true)
	{
		ALICE_print(85);
		// msg 85: Commit, rollback, or neither (c, r, or n)?
		int c;
		const char* end = response + sizeof(response) - 1;
		char* p = response;
		while ((c = getchar()) != '\n' && !feof(stdin) && !ferror(stdin) && p < end)
			*p++ = c;
		if (p == response)
			return ~SINT64(0);
		*p = 0;
		ALICE_upper_case(response, response, sizeof(response));
		if (!strcmp(response, "N") || !strcmp(response, "C") || !strcmp(response, "R"))
		{
			  break;
		}
	}

	if (response[0] == 'C')
		switches |= sw_commit;
	else if (response[0] == 'R')
		switches |= sw_rollback;

	return switches;
}


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