GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/vis/foldit.c Lines: 0 14 0.0 %
Date: 2017-11-07 Branches: 0 9 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: foldit.c,v 1.7 2013/11/12 22:51:18 deraadt Exp $	*/
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/*	$NetBSD: foldit.c,v 1.4 1994/12/20 16:13:02 jtc Exp $	*/
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/*-
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 * Copyright (c) 1990, 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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int	foldit(char *chunk, int col, int max);
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int
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foldit(char *chunk, int col, int max)
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{
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	char *cp;
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	/*
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	 * Keep track of column position. Insert hidden newline
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	 * if this chunk puts us over the limit.
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	 */
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again:
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	cp = chunk;
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	while (*cp) {
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		switch(*cp) {
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		case '\n':
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		case '\r':
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			col = 0;
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			break;
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		case '\t':
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			col = (col + 8) & ~07;
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			break;
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		case '\b':
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			col = col ? col - 1 : 0;
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			break;
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		default:
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			col++;
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		}
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		if (col > (max - 2)) {
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			printf("\\\n");
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			col = 0;
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			goto again;
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		}
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		cp++;
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	}
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	return (col);
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}