Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/rtadvd/log.c	Lines:	0	63	0.0 %
Date:	2017-11-07	Branches:	0	16	0.0 %


/*	$OpenBSD: log.c,v 1.4 2017/07/12 06:09:59 florian 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"

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);
	}
}

static void
vfatalc(int code, const char *emsg, va_list ap)
{
	static char	s[BUFSIZ];
	const char	*sep;

	if (emsg != NULL) {
		(void)vsnprintf(s, sizeof(s), emsg, ap);
		sep = ": ";
	} else {
		s[0] = '\0';
		sep = "";
	}
	if (code)
		logit(LOG_CRIT, "fatal in %s: %s%s%s",
		    log_procname, s, sep, strerror(code));
	else
		logit(LOG_CRIT, "fatal in %s%s%s", log_procname, sep, s);
}

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

	va_start(ap, emsg);
	vfatalc(errno, emsg, ap);
	va_end(ap);
	exit(1);
}

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

	va_start(ap, emsg);
	vfatalc(0, emsg, ap);
	va_end(ap);
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: log.c,v 1.4 2017/07/12 06:09:59 florian 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
30			int debug;
31			int verbose;
32			const char *log_procname;
33
34			void
35			log_init(int n_debug)
36			{
37			extern char *__progname;
38
39			debug = n_debug;
40
41			if (!debug)
42			openlog(__progname, LOG_PID \| LOG_NDELAY, LOG_DAEMON);
43
44			tzset();
45			}
46
47			void
48			log_verbose(int v)
49			{
50			verbose = v;
51			}
52
53			void
54			logit(int pri, const char *fmt, ...)
55			{
56			va_list ap;
57
58			va_start(ap, fmt);
59			vlog(pri, fmt, ap);
60			va_end(ap);
61			}
62
63			void
64			vlog(int pri, const char *fmt, va_list ap)
65			{
66			char *nfmt;
67
68			if (debug) {
69			/* best effort in out of mem situations */
70			if (asprintf(&nfmt, "%s\n", fmt) == -1) {
71			vfprintf(stderr, fmt, ap);
72			fprintf(stderr, "\n");
73			} else {
74			vfprintf(stderr, nfmt, ap);
75			free(nfmt);
76			}
77			fflush(stderr);
78			} else
79			vsyslog(pri, fmt, ap);
80			}
81
82			void
83			log_warn(const char *emsg, ...)
84			{
85			char *nfmt;
86			va_list ap;
87
88			/* best effort to even work in out of memory situations */
89			if (emsg == NULL)
90			logit(LOG_ERR, "%s", strerror(errno));
91			else {
92			va_start(ap, emsg);
93
94			if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
95			/* we tried it... */
96			vlog(LOG_ERR, emsg, ap);
97			logit(LOG_ERR, "%s", strerror(errno));
98			} else {
99			vlog(LOG_ERR, nfmt, ap);
100			free(nfmt);
101			}
102			va_end(ap);
103			}
104			}
105
106			void
107			log_warnx(const char *emsg, ...)
108			{
109			va_list ap;
110
111			va_start(ap, emsg);
112			vlog(LOG_ERR, emsg, ap);
113			va_end(ap);
114			}
115
116			void
117			log_info(const char *emsg, ...)
118			{
119			va_list ap;
120
121			va_start(ap, emsg);
122			vlog(LOG_INFO, emsg, ap);
123			va_end(ap);
124			}
125
126			void
127			log_debug(const char *emsg, ...)
128			{
129			va_list ap;
130
131			if (verbose) {
132			va_start(ap, emsg);
133			vlog(LOG_DEBUG, emsg, ap);
134			va_end(ap);
135			}
136			}
137
138			static void
139			vfatalc(int code, const char *emsg, va_list ap)
140			{
141			static char s[BUFSIZ];
142			const char *sep;
143
144			if (emsg != NULL) {
145			(void)vsnprintf(s, sizeof(s), emsg, ap);
146			sep = ": ";
147			} else {
148			s[0] = '\0';
149			sep = "";
150			}
151			if (code)
152			logit(LOG_CRIT, "fatal in %s: %s%s%s",
153			log_procname, s, sep, strerror(code));
154			else
155			logit(LOG_CRIT, "fatal in %s%s%s", log_procname, sep, s);
156			}
157
158			void
159			fatal(const char *emsg, ...)
160			{
161			va_list ap;
162
163			va_start(ap, emsg);
164			vfatalc(errno, emsg, ap);
165			va_end(ap);
166			exit(1);
167			}
168
169			void
170			fatalx(const char *emsg, ...)
171			{
172			va_list ap;
173
174			va_start(ap, emsg);
175			vfatalc(0, emsg, ap);
176			va_end(ap);
177			exit(1);
178			}