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/* bsd_log.cc
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifdef __OUTSIDE_CYGWIN__
#include "woutsup.h"
#define _KERNEL 1
#define __BSD_VISIBLE 1
#include <stdio.h>
#include <stdlib.h>
int32_t log_level = 8; /* Illegal value. Don't change! */
tun_bool_t log_debug = TUN_UNDEF;
tun_bool_t log_syslog = TUN_UNDEF;
tun_bool_t log_stderr = TUN_UNDEF;
void
loginit (tun_bool_t opt_stderr, tun_bool_t opt_syslog)
{
if (log_debug == TUN_UNDEF)
TUNABLE_BOOL_FETCH ("kern.log.debug", &log_debug);
if (log_debug == TUN_UNDEF)
log_debug = TUN_FALSE;
if (opt_stderr != TUN_UNDEF)
log_stderr = opt_stderr;
else
TUNABLE_BOOL_FETCH ("kern.log.stderr", &log_stderr);
if (log_stderr == TUN_UNDEF)
log_stderr = TUN_FALSE;
if (opt_syslog != TUN_UNDEF)
log_syslog = opt_syslog;
else
TUNABLE_BOOL_FETCH ("kern.log.syslog", &log_syslog);
if (log_syslog == TUN_UNDEF)
log_syslog = TUN_FALSE;
if (log_level == 8)
TUNABLE_INT_FETCH ("kern.log.level", &log_level);
if (log_level == 8)
log_level = 6;
}
void
_vlog (const char *file, int line, int level,
const char *fmt, va_list ap)
{
char buf[16384];
char *pos;
if ((level == LOG_DEBUG && log_debug != TUN_TRUE)
|| (level != LOG_DEBUG && level >= log_level))
return;
pos = stpcpy (buf, "cygserver: ");
if (file && log_debug == TUN_TRUE)
pos += snprintf (pos, 16384 - (pos - buf), "%s, line %d: ", file, line);
vsnprintf (pos, 16384 - (pos - buf), fmt, ap);
if (log_syslog == TUN_TRUE && level != LOG_DEBUG)
syslog (level, buf);
if (log_stderr == TUN_TRUE || level == LOG_DEBUG)
{
fputs (buf, stderr);
fputc ('\n', stderr);
}
}
void
_log (const char *file, int line, int level, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
_vlog (file, line, level, fmt, ap);
}
void
_vpanic (const char *file, int line, const char *fmt, va_list ap)
{
_vlog (file, line, LOG_CRIT, fmt, ap);
exit (1);
}
void
_panic (const char *file, int line, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
_vpanic (file, line, fmt, ap);
}
#endif /* __OUTSIDE_CYGWIN__ */
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