GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/banner/banner.c Lines: 0 34 0.0 %
Date: 2016-12-06 Branches: 0 30 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: banner.c,v 1.12 2015/11/03 04:54:07 mmcc Exp $	*/
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/*	$NetBSD: banner.c,v 1.2 1995/04/09 06:00:15 cgd Exp $	*/
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/*
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 *	Changes for banner(1)
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 *
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 *      @(#)Copyright (c) 1995, Simon J. Gerraty.
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 *
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 *      This is free software.  It comes with NO WARRANTY.
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 *      Permission to use, modify and distribute this source code
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 *      is granted subject to the following conditions.
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 *      1/ that the above copyright notice and this notice
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 *      are preserved in all copies and that due credit be given
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 *      to the author.
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 *      2/ that any changes to this code are clearly commented
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 *      as such so that the author does not get blamed for bugs
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 *      other than his own.
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 *
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 *      Please send copies of changes and bug-fixes to:
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 *      sjg@zen.void.oz.au
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 */
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/*
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 * Copyright (c) 1983, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <err.h>
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#include "banner.h"
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static long PW = LINELEN;
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/* the char gen code below is lifted from lpd */
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static char *
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scnline(int key, char *p, int c)
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{
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	int scnwidth;
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	/*
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	 * <sjg> lpd makes chars out of the letter in question.
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	 * the results are somewhat mixed.  Sticking to '#' as
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	 * banner(1) does is more consistent.
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	 */
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#ifndef NOHASH_ONLY
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	c = '#';
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#endif
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	for (scnwidth = WIDTH; --scnwidth;) {
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		key <<= 1;
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		*p++ = key & 0200 ? c : BACKGND;
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	}
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	return (p);
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}
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#define TRC(q)	(((q)-' ')&0177)
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static int
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dropit(int c)
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{
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	switch(c) {
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	case TRC('_'):
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	case TRC(';'):
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	case TRC(','):
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	case TRC('g'):
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	case TRC('j'):
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	case TRC('p'):
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	case TRC('q'):
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	case TRC('y'):
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		return (DROP);
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	default:
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		return (0);
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	}
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}
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static void
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scan_out(int scfd, char *scsp, int dlm)
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{
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	char *strp;
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	int nchrs, j;
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	char outbuf[LINELEN+1], *sp, c, cc;
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	int d, scnhgt;
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	extern char scnkey[][HEIGHT];	/* in lpdchar.c */
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	for (scnhgt = 0; scnhgt++ < HEIGHT+DROP; ) {
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		strp = &outbuf[0];
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		sp = scsp;
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		for (nchrs = 0; *sp != dlm && *sp != '\0'; ) {
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			cc = *sp++;
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			if ((unsigned char)cc < ' ' ||
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			    (unsigned char)cc > 0x7f)
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				cc = INVALID;
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			c = TRC(cc);
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			d = dropit(c);
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			if ((!d && scnhgt > HEIGHT) || (scnhgt <= DROP && d))
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				for (j = WIDTH; --j;)
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					*strp++ = BACKGND;
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			else
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				strp = scnline(scnkey[(int)c][scnhgt-1-d], strp, cc);
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			if (nchrs++ >= PW/(WIDTH+1)-1)
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				break;
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			*strp++ = BACKGND;
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#ifdef LPD_CHSET				/* <sjg> */
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			*strp++ = BACKGND;
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#endif
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		}
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		while (*--strp == BACKGND && strp >= outbuf)
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			;
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		strp++;
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		*strp++ = '\n';
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		(void) write(scfd, outbuf, strp-outbuf);
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	}
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}
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/*
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 * for each word, print up to 10 chars in big letters.
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 */
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int
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main(int argc, char *argv[])
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{
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	char word[10+1];			/* strings limited to 10 chars */
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	if (pledge("stdio wpath cpath rpath", NULL) == -1)
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		err(1, "pledge");
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	while (*++argv) {
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		(void)strlcpy(word, *argv, sizeof (word));
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		scan_out(1, word, '\0');
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	}
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	exit(0);
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}