#!/usr/local/bin/rune -x
#

import "sys";
import <stdio>;		# pull-up all stdio identifiers too

typedef const char *string_p;

int
main(int ac, char **av)
{
	volatile int a = 4;

	show("how are you doing", 1,
	     "oclock", 2UB, 3, 4, 5,
	     NULL, (const char *).NULL, a, 0);
	show("should be:        1 oclock (unknown-int) 3 4 5 (vnull) (null) 4 0");

	show("");
	stdout->show("how are you doing ", 1,
	     "oclock ", 2UB, 3, 4, 5,
	     (const void *).NULL, (const char *).NULL, " ", a, 0);
	show("should be:        1 oclock 2 3 4 5 ? (null) 4 0");

	#show2("should be: 1 2 3", 1, 2, 3);
}

void
show(...)
{
	Fs fd;
	int i;

	fd.setfd(1);

	for (i = 0; i < self.__varcount; ++i) {
		if (i)
			fd.write(" ", 1);

		switch(typeof(self.__vardata[i])) {
		case typeof(int):
			char buf[32];
			int v = self.__vardata[i];
			int j = arysize(buf);

			if (v == 0) {
				buf[--j] = '0';
			} else {
				uint vv;
				int negative = 0;

				if (v < 0) {
					v = -v;
					negative = 1;
				}
				vv = (uint)v;
				while (vv != 0U) {
					buf[--j] = (char)(vv % 10U) + '0';
					vv = vv / 10U;
				}
				if (negative != 0)
					buf[--j] = '-';
			}
			fd.write(&buf[j], arysize(buf) - (size_t)j);
			break;
		case typeof(char *):
			const char *str = self.__vardata[i];
			if (str == NULL)
				fd.write("(null)", 6);
			else
				fd.write(str, Str.strlen(str));
			break;
		case typeof(void *):
			const void *data = self.__vardata[i];
			if (data == NULL)
				fd.write("(vnull)", 7);
			else
				fd.write("(not-null)", 10);
			break;
		case typeof(SInteger):
			/*
			 * Sweep
			 */
			fd.write("(unknown-int)", 13);
			break;
		default:
			char c = '?';
			fd.write(&c, 1);
			break;
		}
	}
	fd.write("\n", 1);
}

#void
#show2(...)
#{
#	stdout->format("show2: varcount %d\n", self.__varcount);
#	show3(self);
#}
#
#void
#show3(...)
#{
#	stdout->format("show3: varcount %d\n", self.__varcount);
#}