Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	bin/stty/stty.c	Lines:	20	61	32.8 %
Date:	2017-11-07	Branches:	16	56	28.6 %


/*	$OpenBSD: stty.c,v 1.20 2016/07/23 08:57:18 bluhm Exp $	*/
/*	$NetBSD: stty.c,v 1.11 1995/03/21 09:11:30 cgd Exp $	*/

/*-
 * Copyright (c) 1989, 1991, 1993, 1994
 *	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 <sys/types.h>
#include <sys/ioctl.h>

#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>

#include "stty.h"
#include "extern.h"

int
main(int argc, char *argv[])
{
	struct info i;
	enum FMT fmt;
	int ch;

	fmt = NOTSET;
	i.fd = STDIN_FILENO;

	opterr = 0;
	while (optind < argc &&
	    strspn(argv[optind], "-aefg") == strlen(argv[optind]) &&
	    (ch = getopt(argc, argv, "aef:g")) != -1)
		switch(ch) {
		case 'a':
			fmt = POSIX;
			break;
		case 'e':
			fmt = BSD;
			break;
		case 'f':
			if ((i.fd = open(optarg, O_RDONLY | O_NONBLOCK)) < 0)
				err(1, "%s", optarg);
			break;
		case 'g':
			fmt = GFLAG;
			break;
		default:
			goto args;
		}

args:	argc -= optind;
	argv += optind;

	if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0	)
		err(1, "TIOCGETD");

	if (tcgetattr(i.fd, &i.t) < 0)
		errx(1, "not a terminal");
	if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0)
		warn("TIOCGWINSZ");

	switch(fmt) {
	case NOTSET:
		if (*argv)
			break;
		/* FALLTHROUGH */
	case BSD:
	case POSIX:
		if (*argv)
			errx(1, "either display or modify");
		if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
			err(1, "pledge");
		print(&i.t, &i.win, i.ldisc, fmt);
		break;
	case GFLAG:
		if (*argv)
			errx(1, "either display or modify");
		if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
			err(1, "pledge");
		gprint(&i.t, &i.win, i.ldisc);
		break;
	}

	/*
	 * Cannot pledge, because of "extproc", "ostart" and "ostop"
	 */

	for (i.set = i.wset = 0; *argv; ++argv) {
		if (ksearch(&argv, &i))
			continue;

		if (csearch(&argv, &i))
			continue;

		if (msearch(&argv, &i))
			continue;

		if (isdigit((unsigned char)**argv)) {
			const char *error;
			int speed;

			speed = strtonum(*argv, 0, INT_MAX, &error);
			if (error)
				err(1, "%s", *argv);
			cfsetospeed(&i.t, speed);
			cfsetispeed(&i.t, speed);
			i.set = 1;
			continue;
		}

		if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) {
			gread(&i.t, *argv + sizeof("gfmt1") - 1);
			i.set = 1;
			continue;
		}

		warnx("illegal option -- %s", *argv);
		usage();
	}

	if (i.set && tcsetattr(i.fd, 0, &i.t) < 0)
		err(1, "tcsetattr");
	if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0)
		warn("TIOCSWINSZ");
	return (0);
}

void
usage(void)
{
	fprintf(stderr, "usage: %s [-a | -e | -g] [-f file] [operands]\n",
	    __progname);
	exit (1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: stty.c,v 1.20 2016/07/23 08:57:18 bluhm Exp $ */
2			/* $NetBSD: stty.c,v 1.11 1995/03/21 09:11:30 cgd Exp $ */
3
4			/*-
5			* Copyright (c) 1989, 1991, 1993, 1994
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 <sys/types.h>
34			#include <sys/ioctl.h>
35
36			#include <ctype.h>
37			#include <err.h>
38			#include <errno.h>
39			#include <fcntl.h>
40			#include <limits.h>
41			#include <stdio.h>
42			#include <stdlib.h>
43			#include <string.h>
44			#include <termios.h>
45			#include <unistd.h>
46
47			#include "stty.h"
48			#include "extern.h"
49
50			int
51			main(int argc, char *argv[])
52			{
53		81	struct info i;
54			enum FMT fmt;
55			int ch;
56
57			fmt = NOTSET;
58		81	i.fd = STDIN_FILENO;
59
60		81	opterr = 0;
61	✓✗✗✗	162	while (optind < argc &&
62	✗✓	81	strspn(argv[optind], "-aefg") == strlen(argv[optind]) &&
63			(ch = getopt(argc, argv, "aef:g")) != -1)
64			switch(ch) {
65			case 'a':
66			fmt = POSIX;
67			break;
68			case 'e':
69			fmt = BSD;
70			break;
71			case 'f':
72			if ((i.fd = open(optarg, O_RDONLY \| O_NONBLOCK)) < 0)
73			err(1, "%s", optarg);
74			break;
75			case 'g':
76			fmt = GFLAG;
77			break;
78			default:
79			goto args;
80			}
81
82		81	args: argc -= optind;
83		81	argv += optind;
84
85	✗✓	81	if (ioctl(i.fd, TIOCGETD, &i.ldisc) < 0 )
86			err(1, "TIOCGETD");
87
88	✗✓	81	if (tcgetattr(i.fd, &i.t) < 0)
89			errx(1, "not a terminal");
90	✗✓	81	if (ioctl(i.fd, TIOCGWINSZ, &i.win) < 0)
91			warn("TIOCGWINSZ");
92
93	✓✗✗✗ ✓	162	switch(fmt) {
94			case NOTSET:
95	✗✓	81	if (*argv)
96			break;
97			/* FALLTHROUGH */
98			case BSD:
99			case POSIX:
100			if (*argv)
101			errx(1, "either display or modify");
102			if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
103			err(1, "pledge");
104			print(&i.t, &i.win, i.ldisc, fmt);
105			break;
106			case GFLAG:
107			if (*argv)
108			errx(1, "either display or modify");
109			if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
110			err(1, "pledge");
111			gprint(&i.t, &i.win, i.ldisc);
112			break;
113			}
114
115			/*
116			* Cannot pledge, because of "extproc", "ostart" and "ostop"
117			*/
118
119	✓✓	324	for (i.set = i.wset = 0; *argv; ++argv) {
120	✓✗	81	if (ksearch(&argv, &i))
121			continue;
122
123	✓✗	81	if (csearch(&argv, &i))
124			continue;
125
126	✗✓	81	if (msearch(&argv, &i))
127			continue;
128
129			if (isdigit((unsigned char)**argv)) {
130			const char *error;
131			int speed;
132
133			speed = strtonum(*argv, 0, INT_MAX, &error);
134			if (error)
135			err(1, "%s", *argv);
136			cfsetospeed(&i.t, speed);
137			cfsetispeed(&i.t, speed);
138			i.set = 1;
139			continue;
140			}
141
142			if (!strncmp(*argv, "gfmt1", sizeof("gfmt1") - 1)) {
143			gread(&i.t, *argv + sizeof("gfmt1") - 1);
144			i.set = 1;
145			continue;
146			}
147
148			warnx("illegal option -- %s", *argv);
149			usage();
150			}
151
152	✓✗✗✓	162	if (i.set && tcsetattr(i.fd, 0, &i.t) < 0)
153			err(1, "tcsetattr");
154	✗✓✗✗	81	if (i.wset && ioctl(i.fd, TIOCSWINSZ, &i.win) < 0)
155			warn("TIOCSWINSZ");
156		81	return (0);
157		81	}
158
159			void
160			usage(void)
161			{
162			fprintf(stderr, "usage: %s [-a \| -e \| -g] [-f file] [operands]\n",
163			__progname);
164			exit (1);
165			}