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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/dvmrpd/log.c	Lines:	0	57	0.0 %
Date:	2017-11-07	Branches:	0	18	0.0 %


/*	$OpenBSD: log.c,v 1.6 2017/03/21 12:06:55 bluhm Exp $ */

/*
 * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <time.h>
#include <unistd.h>

#include "log.h"
#include "igmp.h"
#include "dvmrpd.h"

int		 debug;
int		 verbose;
const char	*log_procname;

void
log_init(int n_debug)
{
	extern char	*__progname;

	debug = n_debug;

	if (!debug)
		openlog(__progname, LOG_PID | LOG_NDELAY, LOG_DAEMON);

	tzset();
}

void
log_verbose(int v)
{
	verbose = v;
}

void
logit(int pri, const char *fmt, ...)
{
	va_list	ap;

	va_start(ap, fmt);
	vlog(pri, fmt, ap);
	va_end(ap);
}

void
vlog(int pri, const char *fmt, va_list ap)
{
	char	*nfmt;

	if (debug) {
		/* best effort in out of mem situations */
		if (asprintf(&nfmt, "%s\n", fmt) == -1) {
			vfprintf(stderr, fmt, ap);
			fprintf(stderr, "\n");
		} else {
			vfprintf(stderr, nfmt, ap);
			free(nfmt);
		}
		fflush(stderr);
	} else
		vsyslog(pri, fmt, ap);
}

void
log_warn(const char *emsg, ...)
{
	char	*nfmt;
	va_list	 ap;

	/* best effort to even work in out of memory situations */
	if (emsg == NULL)
		logit(LOG_ERR, "%s", strerror(errno));
	else {
		va_start(ap, emsg);

		if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
			/* we tried it... */
			vlog(LOG_ERR, emsg, ap);
			logit(LOG_ERR, "%s", strerror(errno));
		} else {
			vlog(LOG_ERR, nfmt, ap);
			free(nfmt);
		}
		va_end(ap);
	}
}

void
log_warnx(const char *emsg, ...)
{
	va_list	 ap;

	va_start(ap, emsg);
	vlog(LOG_ERR, emsg, ap);
	va_end(ap);
}

void
log_info(const char *emsg, ...)
{
	va_list	 ap;

	va_start(ap, emsg);
	vlog(LOG_INFO, emsg, ap);
	va_end(ap);
}

void
log_debug(const char *emsg, ...)
{
	va_list	 ap;

	if (verbose) {
		va_start(ap, emsg);
		vlog(LOG_DEBUG, emsg, ap);
		va_end(ap);
	}
}

void
fatal(const char *emsg)
{
	if (emsg == NULL)
		logit(LOG_CRIT, "fatal in %s: %s", log_procname,
		    strerror(errno));
	else
		if (errno)
			logit(LOG_CRIT, "fatal in %s: %s: %s",
			    log_procname, emsg, strerror(errno));
		else
			logit(LOG_CRIT, "fatal in %s: %s",
			    log_procname, emsg);

	if (dvmrpd_process == PROC_MAIN)
		exit(1);
	else				/* parent copes via SIGCHLD */
		_exit(1);
}

void
fatalx(const char *emsg)
{
	errno = 0;
	fatal(emsg);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: log.c,v 1.6 2017/03/21 12:06:55 bluhm Exp $ */
2
3			/*
4			* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18
19			#include <errno.h>
20			#include <stdarg.h>
21			#include <stdio.h>
22			#include <stdlib.h>
23			#include <string.h>
24			#include <syslog.h>
25			#include <time.h>
26			#include <unistd.h>
27
28			#include "log.h"
29			#include "igmp.h"
30			#include "dvmrpd.h"
31
32			int debug;
33			int verbose;
34			const char *log_procname;
35
36			void
37			log_init(int n_debug)
38			{
39			extern char *__progname;
40
41			debug = n_debug;
42
43			if (!debug)
44			openlog(__progname, LOG_PID \| LOG_NDELAY, LOG_DAEMON);
45
46			tzset();
47			}
48
49			void
50			log_verbose(int v)
51			{
52			verbose = v;
53			}
54
55			void
56			logit(int pri, const char *fmt, ...)
57			{
58			va_list ap;
59
60			va_start(ap, fmt);
61			vlog(pri, fmt, ap);
62			va_end(ap);
63			}
64
65			void
66			vlog(int pri, const char *fmt, va_list ap)
67			{
68			char *nfmt;
69
70			if (debug) {
71			/* best effort in out of mem situations */
72			if (asprintf(&nfmt, "%s\n", fmt) == -1) {
73			vfprintf(stderr, fmt, ap);
74			fprintf(stderr, "\n");
75			} else {
76			vfprintf(stderr, nfmt, ap);
77			free(nfmt);
78			}
79			fflush(stderr);
80			} else
81			vsyslog(pri, fmt, ap);
82			}
83
84			void
85			log_warn(const char *emsg, ...)
86			{
87			char *nfmt;
88			va_list ap;
89
90			/* best effort to even work in out of memory situations */
91			if (emsg == NULL)
92			logit(LOG_ERR, "%s", strerror(errno));
93			else {
94			va_start(ap, emsg);
95
96			if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
97			/* we tried it... */
98			vlog(LOG_ERR, emsg, ap);
99			logit(LOG_ERR, "%s", strerror(errno));
100			} else {
101			vlog(LOG_ERR, nfmt, ap);
102			free(nfmt);
103			}
104			va_end(ap);
105			}
106			}
107
108			void
109			log_warnx(const char *emsg, ...)
110			{
111			va_list ap;
112
113			va_start(ap, emsg);
114			vlog(LOG_ERR, emsg, ap);
115			va_end(ap);
116			}
117
118			void
119			log_info(const char *emsg, ...)
120			{
121			va_list ap;
122
123			va_start(ap, emsg);
124			vlog(LOG_INFO, emsg, ap);
125			va_end(ap);
126			}
127
128			void
129			log_debug(const char *emsg, ...)
130			{
131			va_list ap;
132
133			if (verbose) {
134			va_start(ap, emsg);
135			vlog(LOG_DEBUG, emsg, ap);
136			va_end(ap);
137			}
138			}
139
140			void
141			fatal(const char *emsg)
142			{
143			if (emsg == NULL)
144			logit(LOG_CRIT, "fatal in %s: %s", log_procname,
145			strerror(errno));
146			else
147			if (errno)
148			logit(LOG_CRIT, "fatal in %s: %s: %s",
149			log_procname, emsg, strerror(errno));
150			else
151			logit(LOG_CRIT, "fatal in %s: %s",
152			log_procname, emsg);
153
154			if (dvmrpd_process == PROC_MAIN)
155			exit(1);
156			else /* parent copes via SIGCHLD */
157			_exit(1);
158			}
159
160			void
161			fatalx(const char *emsg)
162			{
163			errno = 0;
164			fatal(emsg);
165			}