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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/logger/logger.c	Lines:	0	63	0.0 %
Date:	2017-11-07	Branches:	0	50	0.0 %


/*	$OpenBSD: logger.c,v 1.17 2016/03/28 18:18:52 chl Exp $	*/
/*	$NetBSD: logger.c,v 1.4 1994/12/22 06:27:00 jtc Exp $	*/

/*
 * Copyright (c) 1983, 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 <errno.h>
#include <unistd.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <err.h>

#define	SYSLOG_NAMES
#include <syslog.h>

int	decode(char *, CODE *);
int	pencode(char *);
void	usage(void);

/*
 * logger -- read and log utility
 *
 *	Reads from an input and arranges to write the result on the system
 *	log.
 */
int
main(int argc, char *argv[])
{
	int ch, logflags, pri;
	char *tag, buf[1024];

	tag = NULL;
	pri = LOG_NOTICE;
	logflags = 0;
	while ((ch = getopt(argc, argv, "f:ip:st:")) != -1)
		switch(ch) {
		case 'f':		/* file to log */
			if (freopen(optarg, "r", stdin) == NULL) {
				(void)fprintf(stderr, "logger: %s: %s.\n",
				    optarg, strerror(errno));
				exit(1);
			}
			break;
		case 'i':		/* log process id also */
			logflags |= LOG_PID;
			break;
		case 'p':		/* priority */
			pri = pencode(optarg);
			break;
		case 's':		/* log to standard error */
			logflags |= LOG_PERROR;
			break;
		case 't':		/* tag */
			tag = optarg;
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	/* setup for logging */
	openlog(tag ? tag : getlogin(), logflags, 0);
	(void) fclose(stdout);

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

	/* log input line if appropriate */
	if (argc > 0) {
		char *p, *endp;
		size_t len;

		for (p = buf, endp = buf + sizeof(buf) - 2; *argv;) {
			len = strlen(*argv);
			if (p + len > endp && p > buf) {
				syslog(pri, "%s", buf);
				p = buf;
			}
			if (len > sizeof(buf) - 1)
				syslog(pri, "%s", *argv++);
			else {
				if (p != buf)
					*p++ = ' ';
				bcopy(*argv++, p, len);
				*(p += len) = '\0';
			}
		}
		if (p != buf)
			syslog(pri, "%s", buf);
	} else
		while (fgets(buf, sizeof(buf), stdin) != NULL)
			syslog(pri, "%s", buf);
	exit(0);
}

/*
 *  Decode a symbolic name to a numeric value
 */
int
pencode(char *s)
{
	char *save;
	int fac, lev;

	for (save = s; *s && *s != '.'; ++s);
	if (*s) {
		*s = '\0';
		fac = decode(save, facilitynames);
		if (fac < 0) {
			(void)fprintf(stderr,
			    "logger: unknown facility name: %s.\n", save);
			exit(1);
		}
		*s++ = '.';
	}
	else {
		fac = 0;
		s = save;
	}
	lev = decode(s, prioritynames);
	if (lev < 0) {
		(void)fprintf(stderr,
		    "logger: unknown priority name: %s.\n", save);
		exit(1);
	}
	return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK));
}

int
decode(char *name, CODE *codetab)
{
	CODE *c;

	if (isdigit((unsigned char)*name)) {
		const char *errstr;
		int n = strtonum(name, 0, INT_MAX, &errstr);
		if (!errstr)
			return (n);
	}

	for (c = codetab; c->c_name; c++)
		if (!strcasecmp(name, c->c_name))
			return (c->c_val);

	return (-1);
}

void
usage(void)
{
	(void)fprintf(stderr,
	    "usage: logger [-is] [-f file] [-p pri] [-t tag] [message ...]\n");
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: logger.c,v 1.17 2016/03/28 18:18:52 chl Exp $ */
2			/* $NetBSD: logger.c,v 1.4 1994/12/22 06:27:00 jtc Exp $ */
3
4			/*
5			* Copyright (c) 1983, 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 <errno.h>
34			#include <unistd.h>
35			#include <limits.h>
36			#include <stdlib.h>
37			#include <stdio.h>
38			#include <ctype.h>
39			#include <string.h>
40			#include <err.h>
41
42			#define SYSLOG_NAMES
43			#include <syslog.h>
44
45			int decode(char , CODE );
46			int pencode(char *);
47			void usage(void);
48
49			/*
50			* logger -- read and log utility
51			*
52			* Reads from an input and arranges to write the result on the system
53			* log.
54			*/
55			int
56			main(int argc, char *argv[])
57			{
58			int ch, logflags, pri;
59			char *tag, buf[1024];
60
61			tag = NULL;
62			pri = LOG_NOTICE;
63			logflags = 0;
64			while ((ch = getopt(argc, argv, "f:ip:st:")) != -1)
65			switch(ch) {
66			case 'f': /* file to log */
67			if (freopen(optarg, "r", stdin) == NULL) {
68			(void)fprintf(stderr, "logger: %s: %s.\n",
69			optarg, strerror(errno));
70			exit(1);
71			}
72			break;
73			case 'i': /* log process id also */
74			logflags \|= LOG_PID;
75			break;
76			case 'p': /* priority */
77			pri = pencode(optarg);
78			break;
79			case 's': /* log to standard error */
80			logflags \|= LOG_PERROR;
81			break;
82			case 't': /* tag */
83			tag = optarg;
84			break;
85			case '?':
86			default:
87			usage();
88			}
89			argc -= optind;
90			argv += optind;
91
92			/* setup for logging */
93			openlog(tag ? tag : getlogin(), logflags, 0);
94			(void) fclose(stdout);
95
96			if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
97			err(1, "pledge");
98
99			/* log input line if appropriate */
100			if (argc > 0) {
101			char p, endp;
102			size_t len;
103
104			for (p = buf, endp = buf + sizeof(buf) - 2; *argv;) {
105			len = strlen(*argv);
106			if (p + len > endp && p > buf) {
107			syslog(pri, "%s", buf);
108			p = buf;
109			}
110			if (len > sizeof(buf) - 1)
111			syslog(pri, "%s", *argv++);
112			else {
113			if (p != buf)
114			*p++ = ' ';
115			bcopy(*argv++, p, len);
116			*(p += len) = '\0';
117			}
118			}
119			if (p != buf)
120			syslog(pri, "%s", buf);
121			} else
122			while (fgets(buf, sizeof(buf), stdin) != NULL)
123			syslog(pri, "%s", buf);
124			exit(0);
125			}
126
127			/*
128			* Decode a symbolic name to a numeric value
129			*/
130			int
131			pencode(char *s)
132			{
133			char *save;
134			int fac, lev;
135
136			for (save = s; s && s != '.'; ++s);
137			if (*s) {
138			*s = '\0';
139			fac = decode(save, facilitynames);
140			if (fac < 0) {
141			(void)fprintf(stderr,
142			"logger: unknown facility name: %s.\n", save);
143			exit(1);
144			}
145			*s++ = '.';
146			}
147			else {
148			fac = 0;
149			s = save;
150			}
151			lev = decode(s, prioritynames);
152			if (lev < 0) {
153			(void)fprintf(stderr,
154			"logger: unknown priority name: %s.\n", save);
155			exit(1);
156			}
157			return ((lev & LOG_PRIMASK) \| (fac & LOG_FACMASK));
158			}
159
160			int
161			decode(char name, CODE codetab)
162			{
163			CODE *c;
164
165			if (isdigit((unsigned char)*name)) {
166			const char *errstr;
167			int n = strtonum(name, 0, INT_MAX, &errstr);
168			if (!errstr)
169			return (n);
170			}
171
172			for (c = codetab; c->c_name; c++)
173			if (!strcasecmp(name, c->c_name))
174			return (c->c_val);
175
176			return (-1);
177			}
178
179			void
180			usage(void)
181			{
182			(void)fprintf(stderr,
183			"usage: logger [-is] [-f file] [-p pri] [-t tag] [message ...]\n");
184			exit(1);
185			}