Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/unexpand/unexpand.c	Lines:	0	47	0.0 %
Date:	2017-11-13	Branches:	0	37	0.0 %


/*	$OpenBSD: unexpand.c,v 1.13 2016/10/11 16:22:15 millert Exp $	*/
/*	$NetBSD: unexpand.c,v 1.5 1994/12/24 17:08:05 cgd Exp $	*/

/*-
 * Copyright (c) 1980, 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.
 */

/*
 * unexpand - put tabs into a file replacing blanks
 */
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

char	genbuf[BUFSIZ];
char	linebuf[BUFSIZ];

void tabify(bool);

int
main(int argc, char *argv[])
{
	bool all = false;
	char *cp;

	if (pledge("stdio rpath flock cpath wpath", NULL) == -1) {
		perror("pledge");
		exit(1);
	}

	argc--, argv++;
	if (argc > 0 && argv[0][0] == '-') {
		if (strcmp(argv[0], "-a") != 0) {
			fprintf(stderr, "usage: unexpand [-a] [file ...]\n");
			exit(1);
		}
		all = true;
		argc--, argv++;
	}
	do {
		if (argc > 0) {
			if (freopen(argv[0], "r", stdin) == NULL) {
				perror(argv[0]);
				exit(1);
			}
			argc--, argv++;
		}
		while (fgets(genbuf, BUFSIZ, stdin) != NULL) {
			for (cp = linebuf; *cp; cp++)
				continue;
			if (cp > linebuf)
				cp[-1] = 0;
			tabify(all);
			printf("%s", linebuf);
		}
	} while (argc > 0);
	exit(0);
}

void
tabify(bool all)
{
	char *cp, *dp;
	int dcol;
	int ocol;
	size_t len;

	ocol = 0;
	dcol = 0;
	cp = genbuf;
	dp = linebuf;
	len = sizeof linebuf;

	for (;;) {
		switch (*cp) {

		case ' ':
			dcol++;
			break;

		case '\t':
			dcol += 8;
			dcol &= ~07;
			break;

		default:
			while (((ocol + 8) &~ 07) <= dcol) {
				if (ocol + 1 == dcol)
					break;
				if (len > 1) {
					*dp++ = '\t';
					len--;
				}
				ocol += 8;
				ocol &= ~07;
			}
			while (ocol < dcol) {
				if (len > 1) {
					*dp++ = ' ';
					len--;
				}
				ocol++;
			}
			if (*cp == '\0' || !all) {
				strlcpy(dp, cp, len);
				return;
			}
			*dp++ = *cp;
			len--;
			ocol++;
			dcol++;
		}
		cp++;
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: unexpand.c,v 1.13 2016/10/11 16:22:15 millert Exp $ */
2			/* $NetBSD: unexpand.c,v 1.5 1994/12/24 17:08:05 cgd Exp $ */
3
4			/*-
5			* Copyright (c) 1980, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			/*
34			* unexpand - put tabs into a file replacing blanks
35			*/
36			#include <stdbool.h>
37			#include <stdio.h>
38			#include <stdlib.h>
39			#include <string.h>
40			#include <unistd.h>
41
42			char genbuf[BUFSIZ];
43			char linebuf[BUFSIZ];
44
45			void tabify(bool);
46
47			int
48			main(int argc, char *argv[])
49			{
50			bool all = false;
51			char *cp;
52
53			if (pledge("stdio rpath flock cpath wpath", NULL) == -1) {
54			perror("pledge");
55			exit(1);
56			}
57
58			argc--, argv++;
59			if (argc > 0 && argv[0][0] == '-') {
60			if (strcmp(argv[0], "-a") != 0) {
61			fprintf(stderr, "usage: unexpand [-a] [file ...]\n");
62			exit(1);
63			}
64			all = true;
65			argc--, argv++;
66			}
67			do {
68			if (argc > 0) {
69			if (freopen(argv[0], "r", stdin) == NULL) {
70			perror(argv[0]);
71			exit(1);
72			}
73			argc--, argv++;
74			}
75			while (fgets(genbuf, BUFSIZ, stdin) != NULL) {
76			for (cp = linebuf; *cp; cp++)
77			continue;
78			if (cp > linebuf)
79			cp[-1] = 0;
80			tabify(all);
81			printf("%s", linebuf);
82			}
83			} while (argc > 0);
84			exit(0);
85			}
86
87			void
88			tabify(bool all)
89			{
90			char cp, dp;
91			int dcol;
92			int ocol;
93			size_t len;
94
95			ocol = 0;
96			dcol = 0;
97			cp = genbuf;
98			dp = linebuf;
99			len = sizeof linebuf;
100
101			for (;;) {
102			switch (*cp) {
103
104			case ' ':
105			dcol++;
106			break;
107
108			case '\t':
109			dcol += 8;
110			dcol &= ~07;
111			break;
112
113			default:
114			while (((ocol + 8) &~ 07) <= dcol) {
115			if (ocol + 1 == dcol)
116			break;
117			if (len > 1) {
118			*dp++ = '\t';
119			len--;
120			}
121			ocol += 8;
122			ocol &= ~07;
123			}
124			while (ocol < dcol) {
125			if (len > 1) {
126			*dp++ = ' ';
127			len--;
128			}
129			ocol++;
130			}
131			if (*cp == '\0' \|\| !all) {
132			strlcpy(dp, cp, len);
133			return;
134			}
135			dp++ = cp;
136			len--;
137			ocol++;
138			dcol++;
139			}
140			cp++;
141			}
142			}