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/* $Id$ */
/*
 * Copyright (c) 2005 Dimitri Sokolyuk <sokolyuk@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#if defined(__linux__)
#define strlcpy(d,s,l)	(strncpy(d,s,l), (d)[(l) - 1] = '\0')
#define strlcat(d,s,l)	strncat(d,s,(l) - strlen(d) - 1)
#endif

char allowed[] = "0123456789:.-";

char *seg[][3] = {
	['0'] = { " _ ", "| |", "|_|" },
	['1'] = { "   ", "  |", "  |" },
	['2'] = { " _ ", " _|", "|_ " },
	['3'] = { " _ ", " _|", " _|" },
	['4'] = { "   ", "|_|", "  |" },
	['5'] = { " _ ", "|_ ", " _|" },
	['6'] = { " _ ", "|_ ", "|_|" },
	['7'] = { " _ ", "  |", "  |" },
	['8'] = { " _ ", "|_|", "|_|" },
	['9'] = { " _ ", "|_|", " _|" },
	[':'] = { "   ", " * ", " * " },
	['.'] = { "   ", "   ", " * " },
	['-'] = { "   ", " _ ", "   " },
};

void
sevenseg(char t[3][80], size_t sz, char *s)
{
	char *p;
	int i;

	for (i = 0; i < 3; i++) {
		*t[i] = '\0';
		for (p = s; *p; p++) 
			if (strchr(allowed, *p) != NULL)
				strlcat(t[i], seg[(int)*p][i], sz);
	}
}