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/* $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);
}
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