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rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable).  these days, people use source.  these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

/*	$OpenBSD: banner.c,v 1.9 2009/10/27 23:59:35 deraadt Exp $	*/
/*	$NetBSD: banner.c,v 1.2 1995/04/09 06:00:15 cgd Exp $	*/

/*
 *	Changes for banner(1)
 *
 *      @(#)Copyright (c) 1995, Simon J. Gerraty.
 *      
 *      This is free software.  It comes with NO WARRANTY.
 *      Permission to use, modify and distribute this source code 
 *      is granted subject to the following conditions.
 *      1/ that the above copyright notice and this notice 
 *      are preserved in all copies and that due credit be given 
 *      to the author.  
 *      2/ that any changes to this code are clearly commented 
 *      as such so that the author does not get blamed for bugs 
 *      other than his own.
 *      
 *      Please send copies of changes and bug-fixes to:
 *      sjg@zen.void.oz.au
 */

/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

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

#include "banner.h"

static long PW = LINELEN;

/* the char gen code below is lifted from lpd */

static char *
scnline(int key, char *p, int c)
{
	int scnwidth;

	/*
	 * <sjg> lpd makes chars out of the letter in question.
	 * the results are somewhat mixed.  Sticking to '#' as
	 * banner(1) does is more consistent.
	 */
#ifndef NOHASH_ONLY
	c = '#';
#endif
	
	for (scnwidth = WIDTH; --scnwidth;) {
		key <<= 1;
		*p++ = key & 0200 ? c : BACKGND;
	}
	return (p);
}

#define TRC(q)	(((q)-' ')&0177)


static int
dropit(int c)
{
	switch(c) {

	case TRC('_'):
	case TRC(';'):
	case TRC(','):
	case TRC('g'):
	case TRC('j'):
	case TRC('p'):
	case TRC('q'):
	case TRC('y'):
		return (DROP);

	default:
		return (0);
	}
}

static void
scan_out(int scfd, char *scsp, int dlm)
{
	char *strp;
	int nchrs, j;
	char outbuf[LINELEN+1], *sp, c, cc;
	int d, scnhgt;
	extern char scnkey[][HEIGHT];	/* in lpdchar.c */

	for (scnhgt = 0; scnhgt++ < HEIGHT+DROP; ) {
		strp = &outbuf[0];
		sp = scsp;
		for (nchrs = 0; *sp != dlm && *sp != '\0'; ) {
			cc = *sp++;
			if ((unsigned char)cc < ' ' ||
			    (unsigned char)cc > 0x7f)
				cc = INVALID;

			c = TRC(cc);
			d = dropit(c);
			if ((!d && scnhgt > HEIGHT) || (scnhgt <= DROP && d))
				for (j = WIDTH; --j;)
					*strp++ = BACKGND;
			else
				strp = scnline(scnkey[(int)c][scnhgt-1-d], strp, cc);
			if (nchrs++ >= PW/(WIDTH+1)-1)
				break;
			*strp++ = BACKGND;
#ifdef LPD_CHSET				/* <sjg> */
			*strp++ = BACKGND;
#endif
		}
		while (*--strp == BACKGND && strp >= outbuf)
			;
		strp++;
		*strp++ = '\n';	
		(void) write(scfd, outbuf, strp-outbuf);
	}
}

/*
 * for each word, print up to 10 chars in big letters.
 */
int
main(int argc, char *argv[])
{
	char word[10+1];			/* strings limited to 10 chars */
	
	while (*++argv) {
		(void)strlcpy(word, *argv, sizeof (word));
		scan_out(1, word, '\0');
	}
	exit(0);
}