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add new simple logging functions
This commit is contained in:
Duncan Laurie
parent
81c73bd164
commit
c452979e74
67
ipmitool/include/ipmitool/log.h
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67
ipmitool/include/ipmitool/log.h
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/*
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* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistribution of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistribution in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of Sun Microsystems, Inc. or the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* This software is provided "AS IS," without a warranty of any kind.
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
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* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
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* SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
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* FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
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* OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
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* SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
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* OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
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* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
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* LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
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* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* You acknowledge that this software is not designed or intended for use
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* in the design, construction, operation or maintenance of any nuclear
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* facility.
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*/
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#ifndef IPMITOOL_LOG_H
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#define IPMITOOL_LOG_H
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#include <syslog.h>
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/* sys/syslog.h:
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* LOG_EMERG 0 system is unusable
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* LOG_ALERT 1 action must be taken immediately
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* LOG_CRIT 2 critical conditions
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* LOG_ERR 3 error conditions
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* LOG_WARNING 4 warning conditions
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* LOG_NOTICE 5 normal but significant condition
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* LOG_INFO 6 informational
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* LOG_DEBUG 7 debug-level messages
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*/
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#define LOG_ERROR LOG_ERR
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#define LOG_WARN LOG_WARNING
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#define LOG_NAME_DEFAULT "ipmitool"
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#define LOG_MSG_LENGTH 1024
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void log_init(const char * name, int isdaemon, int verbose);
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void log_halt(void);
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void log_level_set(int level);
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int log_level_get(void);
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void lprintf(int level, const char * format, ...);
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void lperror(int level, const char * format, ...);
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#endif /*IPMITOOL_LOG_H*/
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154
ipmitool/lib/log.c
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154
ipmitool/lib/log.c
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/*
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* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistribution of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistribution in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of Sun Microsystems, Inc. or the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* This software is provided "AS IS," without a warranty of any kind.
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* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
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* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
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* SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
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* FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
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* OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
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* SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
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* OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
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* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
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* LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
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* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* You acknowledge that this software is not designed or intended for use
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* in the design, construction, operation or maintenance of any nuclear
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* facility.
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <syslog.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <string.h>
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#include <ipmitool/log.h>
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struct logpriv_s {
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char * name;
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int daemon;
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int level;
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};
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struct logpriv_s *logpriv;
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static void log_reinit(void)
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{
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log_init(NULL, 0, 0);
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}
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void lprintf(int level, const char * format, ...)
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{
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static char logmsg[LOG_MSG_LENGTH];
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va_list vptr;
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if (!logpriv)
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log_reinit();
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if (logpriv->level < level)
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return;
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va_start(vptr, format);
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vsnprintf(logmsg, LOG_MSG_LENGTH, format, vptr);
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va_end(vptr);
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if (logpriv->daemon)
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syslog(level, "%s", logmsg);
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else
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printf("%s\n", logmsg);
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return;
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}
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void lperror(int level, const char * format, ...)
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{
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static char logmsg[LOG_MSG_LENGTH];
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va_list vptr;
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if (!logpriv)
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log_reinit();
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if (logpriv->level < level)
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return;
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va_start(vptr, format);
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vsnprintf(logmsg, LOG_MSG_LENGTH, format, vptr);
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va_end(vptr);
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if (logpriv->daemon)
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syslog(level, "%s: %s", logmsg, strerror(errno));
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else
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fprintf(stderr, "%s: %s\n", logmsg, strerror(errno));
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return;
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}
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/*
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* open connection to syslog if daemon
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*/
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void log_init(const char * name, int isdaemon, int verbose)
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{
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if (logpriv)
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return;
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logpriv = malloc(sizeof(*logpriv));
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if (!logpriv)
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return;
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if (name != NULL)
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logpriv->name = strdup(name);
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else
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logpriv->name = strdup(LOG_NAME_DEFAULT);
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logpriv->daemon = isdaemon;
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logpriv->level = verbose + LOG_NOTICE;
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if (logpriv->daemon)
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openlog(logpriv->name, LOG_CONS, LOG_LOCAL4);
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}
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/*
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* stop syslog logging if daemon mode,
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* free used memory that stored log service
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*/
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void log_halt(void)
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{
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if (!logpriv)
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return;
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if (logpriv->name)
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free(logpriv->name);
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if (logpriv->daemon)
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closelog();
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free(logpriv);
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}
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int log_level_get(void)
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{
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return logpriv->level;
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}
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void log_level_set(int level)
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{
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logpriv->level = level;
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}
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