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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/iscsid/log.c	Lines:	0	60	0.0 %
Date:	2017-11-13	Branches:	0	16	0.0 %


/*	$OpenBSD: log.c,v 1.10 2017/04/06 12:20:48 gsoares 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 "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);
	}
}

void
fatal(const char *emsg, ...)
{
	char	 s[1024];
	va_list	 ap;

	va_start(ap, emsg);
	vsnprintf(s, sizeof(s), emsg, ap);
	va_end(ap);

	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, s, strerror(errno));
		else
			logit(LOG_CRIT, "fatal in %s: %s",
			    log_procname, s);

	exit(1);
}

void
fatalx(const char *emsg)
{
	errno = 0;
	fatal("%s", emsg);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: log.c,v 1.10 2017/04/06 12:20:48 gsoares 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
27			#include "log.h"
28
29			int debug;
30			int verbose;
31			const char *log_procname;
32
33			void
34			log_init(int n_debug)
35			{
36			extern char *__progname;
37
38			debug = n_debug;
39
40			if (!debug)
41			openlog(__progname, LOG_PID \| LOG_NDELAY, LOG_DAEMON);
42
43			tzset();
44			}
45
46			void
47			log_verbose(int v)
48			{
49			verbose = v;
50			}
51
52			void
53			logit(int pri, const char *fmt, ...)
54			{
55			va_list ap;
56
57			va_start(ap, fmt);
58			vlog(pri, fmt, ap);
59			va_end(ap);
60			}
61
62			void
63			vlog(int pri, const char *fmt, va_list ap)
64			{
65			char *nfmt;
66
67			if (debug) {
68			/* best effort in out of mem situations */
69			if (asprintf(&nfmt, "%s\n", fmt) == -1) {
70			vfprintf(stderr, fmt, ap);
71			fprintf(stderr, "\n");
72			} else {
73			vfprintf(stderr, nfmt, ap);
74			free(nfmt);
75			}
76			fflush(stderr);
77			} else
78			vsyslog(pri, fmt, ap);
79			}
80
81			void
82			log_warn(const char *emsg, ...)
83			{
84			char *nfmt;
85			va_list ap;
86
87			/* best effort to even work in out of memory situations */
88			if (emsg == NULL)
89			logit(LOG_ERR, "%s", strerror(errno));
90			else {
91			va_start(ap, emsg);
92
93			if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
94			/* we tried it... */
95			vlog(LOG_ERR, emsg, ap);
96			logit(LOG_ERR, "%s", strerror(errno));
97			} else {
98			vlog(LOG_ERR, nfmt, ap);
99			free(nfmt);
100			}
101			va_end(ap);
102			}
103			}
104
105			void
106			log_warnx(const char *emsg, ...)
107			{
108			va_list ap;
109
110			va_start(ap, emsg);
111			vlog(LOG_ERR, emsg, ap);
112			va_end(ap);
113			}
114
115			void
116			log_info(const char *emsg, ...)
117			{
118			va_list ap;
119
120			va_start(ap, emsg);
121			vlog(LOG_INFO, emsg, ap);
122			va_end(ap);
123			}
124
125			void
126			log_debug(const char *emsg, ...)
127			{
128			va_list ap;
129
130			if (verbose) {
131			va_start(ap, emsg);
132			vlog(LOG_DEBUG, emsg, ap);
133			va_end(ap);
134			}
135			}
136
137			void
138			fatal(const char *emsg, ...)
139			{
140			char s[1024];
141			va_list ap;
142
143			va_start(ap, emsg);
144			vsnprintf(s, sizeof(s), emsg, ap);
145			va_end(ap);
146
147			if (emsg == NULL)
148			logit(LOG_CRIT, "fatal in %s: %s", log_procname,
149			strerror(errno));
150			else
151			if (errno)
152			logit(LOG_CRIT, "fatal in %s: %s: %s",
153			log_procname, s, strerror(errno));
154			else
155			logit(LOG_CRIT, "fatal in %s: %s",
156			log_procname, s);
157
158			exit(1);
159			}
160
161			void
162			fatalx(const char *emsg)
163			{
164			errno = 0;
165			fatal("%s", emsg);
166			}