Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/expand/expand.c	Lines:	0	63	0.0 %
Date:	2017-11-07	Branches:	0	78	0.0 %


/*	$OpenBSD: expand.c,v 1.14 2015/10/09 01:37:07 deraadt Exp $	*/
/*	$NetBSD: expand.c,v 1.5 1995/09/02 06:19:46 jtc 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.
 */

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <unistd.h>
#include <err.h>

/*
 * expand - expand tabs to equivalent spaces
 */
int	nstops;
int	tabstops[100];

static void getstops(char *);
static void usage(void);

int
main(int argc, char *argv[])
{
	int c, column;
	int n;

	if (pledge("stdio rpath flock cpath wpath", NULL) == -1)
		err(1, "pledge");

	/* handle obsolete syntax */
	while (argc > 1 && argv[1][0] == '-' &&
	    isdigit((unsigned char)argv[1][1])) {
		getstops(&argv[1][1]);
		argc--; argv++;
	}

	while ((c = getopt (argc, argv, "t:")) != -1) {
		switch (c) {
		case 't':
			getstops(optarg);
			break;
		case '?':
		default:
			usage();
			/* NOTREACHED */
		}
	}
	argc -= optind;
	argv += optind;

	do {
		if (argc > 0) {
			if (freopen(argv[0], "r", stdin) == NULL)
				err(1, "%s", argv[0]);
			argc--, argv++;
		}
		column = 0;
		while ((c = getchar()) != EOF) {
			switch (c) {
			case '\t':
				if (nstops == 0) {
					do {
						putchar(' ');
						column++;
					} while (column & 07);
					continue;
				}
				if (nstops == 1) {
					do {
						putchar(' ');
						column++;
					} while (((column - 1) %
					    tabstops[0]) != (tabstops[0] - 1));
					continue;
				}
				for (n = 0; n < nstops; n++)
					if (tabstops[n] > column)
						break;
				if (n == nstops) {
					putchar(' ');
					column++;
					continue;
				}
				while (column < tabstops[n]) {
					putchar(' ');
					column++;
				}
				continue;

			case '\b':
				if (column)
					column--;
				putchar('\b');
				continue;

			default:
				putchar(c);
				column++;
				continue;

			case '\n':
				putchar(c);
				column = 0;
				continue;
			}
		}
	} while (argc > 0);
	exit(0);
}

static void
getstops(char *cp)
{
	int i;

	nstops = 0;
	for (;;) {
		i = 0;
		while (*cp >= '0' && *cp <= '9')
			i = i * 10 + *cp++ - '0';
		if (i <= 0 || i > 256) {
bad:
			errx(1, "Bad tab stop spec");
		}
		if (nstops > 0 && i <= tabstops[nstops-1])
			goto bad;
		if (nstops >= sizeof(tabstops) / sizeof(tabstops[0]))
			errx(1, "Too many tab stops");
		tabstops[nstops++] = i;
		if (*cp == 0)
			break;
		if (*cp != ',' && *cp != ' ')
			goto bad;
		cp++;
	}
}

static void
usage(void)
{
	extern char *__progname;
	fprintf (stderr, "usage: %s [-t tablist] [file ...]\n", __progname);
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: expand.c,v 1.14 2015/10/09 01:37:07 deraadt Exp $ */
2			/* $NetBSD: expand.c,v 1.5 1995/09/02 06:19:46 jtc 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			#include <stdio.h>
34			#include <stdlib.h>
35			#include <ctype.h>
36			#include <unistd.h>
37			#include <err.h>
38
39			/*
40			* expand - expand tabs to equivalent spaces
41			*/
42			int nstops;
43			int tabstops[100];
44
45			static void getstops(char *);
46			static void usage(void);
47
48			int
49			main(int argc, char *argv[])
50			{
51			int c, column;
52			int n;
53
54			if (pledge("stdio rpath flock cpath wpath", NULL) == -1)
55			err(1, "pledge");
56
57			/* handle obsolete syntax */
58			while (argc > 1 && argv[1][0] == '-' &&
59			isdigit((unsigned char)argv[1][1])) {
60			getstops(&argv[1][1]);
61			argc--; argv++;
62			}
63
64			while ((c = getopt (argc, argv, "t:")) != -1) {
65			switch (c) {
66			case 't':
67			getstops(optarg);
68			break;
69			case '?':
70			default:
71			usage();
72			/* NOTREACHED */
73			}
74			}
75			argc -= optind;
76			argv += optind;
77
78			do {
79			if (argc > 0) {
80			if (freopen(argv[0], "r", stdin) == NULL)
81			err(1, "%s", argv[0]);
82			argc--, argv++;
83			}
84			column = 0;
85			while ((c = getchar()) != EOF) {
86			switch (c) {
87			case '\t':
88			if (nstops == 0) {
89			do {
90			putchar(' ');
91			column++;
92			} while (column & 07);
93			continue;
94			}
95			if (nstops == 1) {
96			do {
97			putchar(' ');
98			column++;
99			} while (((column - 1) %
100			tabstops[0]) != (tabstops[0] - 1));
101			continue;
102			}
103			for (n = 0; n < nstops; n++)
104			if (tabstops[n] > column)
105			break;
106			if (n == nstops) {
107			putchar(' ');
108			column++;
109			continue;
110			}
111			while (column < tabstops[n]) {
112			putchar(' ');
113			column++;
114			}
115			continue;
116
117			case '\b':
118			if (column)
119			column--;
120			putchar('\b');
121			continue;
122
123			default:
124			putchar(c);
125			column++;
126			continue;
127
128			case '\n':
129			putchar(c);
130			column = 0;
131			continue;
132			}
133			}
134			} while (argc > 0);
135			exit(0);
136			}
137
138			static void
139			getstops(char *cp)
140			{
141			int i;
142
143			nstops = 0;
144			for (;;) {
145			i = 0;
146			while (cp >= '0' && cp <= '9')
147			i = i * 10 + *cp++ - '0';
148			if (i <= 0 \|\| i > 256) {
149			bad:
150			errx(1, "Bad tab stop spec");
151			}
152			if (nstops > 0 && i <= tabstops[nstops-1])
153			goto bad;
154			if (nstops >= sizeof(tabstops) / sizeof(tabstops[0]))
155			errx(1, "Too many tab stops");
156			tabstops[nstops++] = i;
157			if (*cp == 0)
158			break;
159			if (cp != ',' && cp != ' ')
160			goto bad;
161			cp++;
162			}
163			}
164
165			static void
166			usage(void)
167			{
168			extern char *__progname;
169			fprintf (stderr, "usage: %s [-t tablist] [file ...]\n", __progname);
170			exit(1);
171			}