Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	bin/sleep/sleep.c	Lines:	21	40	52.5 %
Date:	2016-12-06	Branches:	10	28	35.7 %


/*	$OpenBSD: sleep.c,v 1.24 2015/10/11 20:17:49 guenther Exp $	*/
/*	$NetBSD: sleep.c,v 1.8 1995/03/21 09:11:11 cgd Exp $	*/

/*
 * Copyright (c) 1988, 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 <ctype.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <err.h>

extern char *__progname;

void usage(void);
void alarmh(int);

int
main(int argc, char *argv[])
{
	int ch;
	time_t secs = 0, t;
	char *cp;
	long nsecs = 0;
	struct timespec rqtp;
	int i;

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

	signal(SIGALRM, alarmh);

	while ((ch = getopt(argc, argv, "")) != -1)
		switch(ch) {
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (argc != 1)
		usage();

	cp = *argv;
	while ((*cp != '\0') && (*cp != '.')) {
		if (!isdigit((unsigned char)*cp))
			usage();
		t = (secs * 10) + (*cp++ - '0');
		if (t / 10 != secs)	/* oflow */
			return (EINVAL);
		secs = t;
	}

	/* Handle fractions of a second */
	if (*cp == '.') {
		cp++;
		for (i = 100000000; i > 0; i /= 10) {
			if (*cp == '\0')
				break;
			if (!isdigit((unsigned char)*cp))
				usage();
			nsecs += (*cp++ - '0') * i;
		}

		/*
		 * We parse all the way down to nanoseconds
		 * in the above for loop. Be pedantic about
		 * checking the rest of the argument.
		 */
		while (*cp != '\0') {
			if (!isdigit((unsigned char)*cp++))
				usage();
		}
	}

	rqtp.tv_sec = secs;
	rqtp.tv_nsec = nsecs;

	if ((secs > 0) || (nsecs > 0))
		if (nanosleep(&rqtp, NULL))
			err(1, NULL);
	return (0);
}

void
usage(void)
{
	(void)fprintf(stderr, "usage: %s seconds\n", __progname);
	exit(1);
}

/*
 * POSIX 1003.2 says sleep should exit with 0 return code on reception
 * of SIGALRM.
 */
/* ARGSUSED */
void
alarmh(int signo)
{
	/*
	 * exit() flushes stdio buffers, which is not legal in a signal
	 * handler. Use _exit().
	 */
	_exit(0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: sleep.c,v 1.24 2015/10/11 20:17:49 guenther Exp $ */
2			/* $NetBSD: sleep.c,v 1.8 1995/03/21 09:11:11 cgd Exp $ */
3
4			/*
5			* Copyright (c) 1988, 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 <ctype.h>
34			#include <errno.h>
35			#include <signal.h>
36			#include <stdio.h>
37			#include <stdlib.h>
38			#include <time.h>
39			#include <unistd.h>
40			#include <err.h>
41
42			extern char *__progname;
43
44			void usage(void);
45			void alarmh(int);
46
47			int
48			main(int argc, char *argv[])
49		26	{
50			int ch;
51		26	time_t secs = 0, t;
52			char *cp;
53		26	long nsecs = 0;
54			struct timespec rqtp;
55			int i;
56
57	✗✓	26	if (pledge("stdio wpath cpath rpath", NULL) == -1)
58			err(1, "pledge");
59
60		26	signal(SIGALRM, alarmh);
61
62	✗✓	52	while ((ch = getopt(argc, argv, "")) != -1)
63			switch(ch) {
64			default:
65			usage();
66			}
67		26	argc -= optind;
68		26	argv += optind;
69
70	✗✓	26	if (argc != 1)
71			usage();
72
73		26	cp = *argv;
74	✓✓	78	while ((cp != '\0') && (cp != '.')) {
75	✗✓	26	if (!isdigit((unsigned char)*cp))
76			usage();
77		26	t = (secs * 10) + (*cp++ - '0');
78	✗✓	26	if (t / 10 != secs) /* oflow */
79			return (EINVAL);
80		26	secs = t;
81			}
82
83			/* Handle fractions of a second */
84	✗✓	26	if (*cp == '.') {
85			cp++;
86			for (i = 100000000; i > 0; i /= 10) {
87			if (*cp == '\0')
88			break;
89			if (!isdigit((unsigned char)*cp))
90			usage();
91			nsecs += (cp++ - '0') i;
92			}
93
94			/*
95			* We parse all the way down to nanoseconds
96			* in the above for loop. Be pedantic about
97			* checking the rest of the argument.
98			*/
99			while (*cp != '\0') {
100			if (!isdigit((unsigned char)*cp++))
101			usage();
102			}
103			}
104
105		26	rqtp.tv_sec = secs;
106		26	rqtp.tv_nsec = nsecs;
107
108	✓✗	26	if ((secs > 0) \|\| (nsecs > 0))
109	✗✓	26	if (nanosleep(&rqtp, NULL))
110			err(1, NULL);
111		26	return (0);
112			}
113
114			void
115			usage(void)
116			{
117			(void)fprintf(stderr, "usage: %s seconds\n", __progname);
118			exit(1);
119			}
120
121			/*
122			* POSIX 1003.2 says sleep should exit with 0 return code on reception
123			* of SIGALRM.
124			*/
125			/* ARGSUSED */
126			void
127			alarmh(int signo)
128			{
129			/*
130			* exit() flushes stdio buffers, which is not legal in a signal
131			* handler. Use _exit().
132			*/
133			_exit(0);
134			}