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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	sbin/iked/log.c	Lines:	0	56	0.0 %
Date:	2016-12-06	Branches:	0	18	0.0 %


/*	$OpenBSD: log.c,v 1.8 2015/12/07 12:13:51 reyk 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 <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <syslog.h>
#include <errno.h>
#include <time.h>

int		 debug;
int		 verbose;
const char	*log_procname;

void	log_init(int, int);
void	log_procinit(const char *);
void	log_verbose(int);
void	log_warn(const char *, ...)
	    __attribute__((__format__ (printf, 1, 2)));
void	log_warnx(const char *, ...)
	    __attribute__((__format__ (printf, 1, 2)));
void	log_info(const char *, ...)
	    __attribute__((__format__ (printf, 1, 2)));
void	log_debug(const char *, ...)
	    __attribute__((__format__ (printf, 1, 2)));
void	logit(int, const char *, ...)
	    __attribute__((__format__ (printf, 2, 3)));
void	vlog(int, const char *, va_list)
	    __attribute__((__format__ (printf, 2, 0)));
__dead void fatal(const char *, ...)
	    __attribute__((__format__ (printf, 1, 2)));
__dead void fatalx(const char *, ...)
	    __attribute__((__format__ (printf, 1, 2)));

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

	debug = n_debug;
	verbose = n_debug;
	log_procinit(__progname);

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

	tzset();
}

void
log_procinit(const char *procname)
{
	if (procname != NULL)
		log_procname = procname;
}

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_CRIT, "%s", strerror(errno));
	else {
		va_start(ap, emsg);

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

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

	va_start(ap, emsg);
	vlog(LOG_CRIT, 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 > 1) {
		va_start(ap, emsg);
		vlog(LOG_DEBUG, emsg, ap);
		va_end(ap);
	}
}

static void
vfatal(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 (errno)
		logit(LOG_CRIT, "%s: %s%s%s",
		    log_procname, s, sep, strerror(errno));
	else
		logit(LOG_CRIT, "%s%s%s", log_procname, sep, s);
}

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

	va_start(ap, emsg);
	vfatal(emsg, ap);
	va_end(ap);
	exit(1);
}

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

	errno = 0;
	va_start(ap, emsg);
	vfatal(emsg, ap);
	va_end(ap);
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: log.c,v 1.8 2015/12/07 12:13:51 reyk 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 <stdio.h>
20			#include <stdlib.h>
21			#include <stdarg.h>
22			#include <string.h>
23			#include <syslog.h>
24			#include <errno.h>
25			#include <time.h>
26
27			int debug;
28			int verbose;
29			const char *log_procname;
30
31			void log_init(int, int);
32			void log_procinit(const char *);
33			void log_verbose(int);
34			void log_warn(const char *, ...)
35			__attribute__((__format__ (printf, 1, 2)));
36			void log_warnx(const char *, ...)
37			__attribute__((__format__ (printf, 1, 2)));
38			void log_info(const char *, ...)
39			__attribute__((__format__ (printf, 1, 2)));
40			void log_debug(const char *, ...)
41			__attribute__((__format__ (printf, 1, 2)));
42			void logit(int, const char *, ...)
43			__attribute__((__format__ (printf, 2, 3)));
44			void vlog(int, const char *, va_list)
45			__attribute__((__format__ (printf, 2, 0)));
46			__dead void fatal(const char *, ...)
47			__attribute__((__format__ (printf, 1, 2)));
48			__dead void fatalx(const char *, ...)
49			__attribute__((__format__ (printf, 1, 2)));
50
51			void
52			log_init(int n_debug, int facility)
53			{
54			extern char *__progname;
55
56			debug = n_debug;
57			verbose = n_debug;
58			log_procinit(__progname);
59
60			if (!debug)
61			openlog(__progname, LOG_PID \| LOG_NDELAY, facility);
62
63			tzset();
64			}
65
66			void
67			log_procinit(const char *procname)
68			{
69			if (procname != NULL)
70			log_procname = procname;
71			}
72
73			void
74			log_verbose(int v)
75			{
76			verbose = v;
77			}
78
79			void
80			logit(int pri, const char *fmt, ...)
81			{
82			va_list ap;
83
84			va_start(ap, fmt);
85			vlog(pri, fmt, ap);
86			va_end(ap);
87			}
88
89			void
90			vlog(int pri, const char *fmt, va_list ap)
91			{
92			char *nfmt;
93
94			if (debug) {
95			/* best effort in out of mem situations */
96			if (asprintf(&nfmt, "%s\n", fmt) == -1) {
97			vfprintf(stderr, fmt, ap);
98			fprintf(stderr, "\n");
99			} else {
100			vfprintf(stderr, nfmt, ap);
101			free(nfmt);
102			}
103			fflush(stderr);
104			} else
105			vsyslog(pri, fmt, ap);
106			}
107
108
109			void
110			log_warn(const char *emsg, ...)
111			{
112			char *nfmt;
113			va_list ap;
114
115			/* best effort to even work in out of memory situations */
116			if (emsg == NULL)
117			logit(LOG_CRIT, "%s", strerror(errno));
118			else {
119			va_start(ap, emsg);
120
121			if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
122			/* we tried it... */
123			vlog(LOG_CRIT, emsg, ap);
124			logit(LOG_CRIT, "%s", strerror(errno));
125			} else {
126			vlog(LOG_CRIT, nfmt, ap);
127			free(nfmt);
128			}
129			va_end(ap);
130			}
131			}
132
133			void
134			log_warnx(const char *emsg, ...)
135			{
136			va_list ap;
137
138			va_start(ap, emsg);
139			vlog(LOG_CRIT, emsg, ap);
140			va_end(ap);
141			}
142
143			void
144			log_info(const char *emsg, ...)
145			{
146			va_list ap;
147
148			va_start(ap, emsg);
149			vlog(LOG_INFO, emsg, ap);
150			va_end(ap);
151			}
152
153			void
154			log_debug(const char *emsg, ...)
155			{
156			va_list ap;
157
158			if (verbose > 1) {
159			va_start(ap, emsg);
160			vlog(LOG_DEBUG, emsg, ap);
161			va_end(ap);
162			}
163			}
164
165			static void
166			vfatal(const char *emsg, va_list ap)
167			{
168			static char s[BUFSIZ];
169			const char *sep;
170
171			if (emsg != NULL) {
172			(void)vsnprintf(s, sizeof(s), emsg, ap);
173			sep = ": ";
174			} else {
175			s[0] = '\0';
176			sep = "";
177			}
178			if (errno)
179			logit(LOG_CRIT, "%s: %s%s%s",
180			log_procname, s, sep, strerror(errno));
181			else
182			logit(LOG_CRIT, "%s%s%s", log_procname, sep, s);
183			}
184
185			void
186			fatal(const char *emsg, ...)
187			{
188			va_list ap;
189
190			va_start(ap, emsg);
191			vfatal(emsg, ap);
192			va_end(ap);
193			exit(1);
194			}
195
196			void
197			fatalx(const char *emsg, ...)
198			{
199			va_list ap;
200
201			errno = 0;
202			va_start(ap, emsg);
203			vfatal(emsg, ap);
204			va_end(ap);
205			exit(1);
206			}