libdaemon  0.14
dlog.h
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1 #ifndef foodaemonloghfoo
2 #define foodaemonloghfoo
3 
4 /***
5  This file is part of libdaemon.
6 
7  Copyright 2003-2008 Lennart Poettering
8 
9  libdaemon is free software; you can redistribute it and/or modify
10  it under the terms of the GNU Lesser General Public License as
11  published by the Free Software Foundation, either version 2.1 of the
12  License, or (at your option) any later version.
13 
14  libdaemon is distributed in the hope that it will be useful, but
15  WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  Lesser General Public License for more details.
18 
19  You should have received a copy of the GNU Lesser General Public
20  License along with libdaemon. If not, see
21  <http://www.gnu.org/licenses/>.
22 ***/
23 
24 #include <syslog.h>
25 #include <stdarg.h>
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
42  DAEMON_LOG_AUTO = 8
45 };
46 
50 
53 extern const char* daemon_log_ident;
54 
55 #if defined(__GNUC__) && ! defined(DAEMON_GCC_PRINTF_ATTR)
56 #define DAEMON_GCC_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
57 #else
58 
59 #define DAEMON_GCC_PRINTF_ATTR(a,b)
60 #endif
61 
66 void daemon_log(int prio, const char* t, ...) DAEMON_GCC_PRINTF_ATTR(2,3);
67 
72 #define DAEMON_LOGV_AVAILABLE 1
73 
78 void daemon_logv(int prio, const char* t, va_list ap);
79 
86 char *daemon_ident_from_argv0(char *argv0);
87 
92 #define DAEMON_SET_VERBOSITY_AVAILABLE 1
93 
108 void daemon_set_verbosity(int verbosity_prio);
109 
110 #ifdef __cplusplus
111 }
112 #endif
113 
114 #endif
DAEMON_LOG_SYSLOG
@ DAEMON_LOG_SYSLOG
Log messages are written to syslog.
Definition: dlog.h:39
daemon_set_verbosity
void daemon_set_verbosity(int verbosity_prio)
Setter for the verbosity level of standard output.
daemon_log_use
enum daemon_log_flags daemon_log_use
This variable is used to specify the log target(s) to use.
daemon_log_ident
const char * daemon_log_ident
Specifies the syslog identification, use daemon_ident_from_argv0() to set this to a sensible value or...
daemon_log_flags
daemon_log_flags
Specifies where to send the log messages to.
Definition: dlog.h:38
daemon_logv
void daemon_logv(int prio, const char *t, va_list ap)
Same as daemon_log(), but without variadic arguments.
DAEMON_LOG_STDOUT
@ DAEMON_LOG_STDOUT
Log messages are written to STDOUT.
Definition: dlog.h:41
DAEMON_LOG_STDERR
@ DAEMON_LOG_STDERR
Log messages are written to STDERR.
Definition: dlog.h:40
DAEMON_GCC_PRINTF_ATTR
#define DAEMON_GCC_PRINTF_ATTR(a, b)
A macro for making use of GCCs printf compilation warnings.
Definition: dlog.h:59
daemon_ident_from_argv0
char * daemon_ident_from_argv0(char *argv0)
Return a sensible syslog identification for daemon_log_ident generated from argv[0].
daemon_log
void daemon_log(int prio, const char *t,...) DAEMON_GCC_PRINTF_ATTR(2
Log a message using printf format strings using the specified syslog priority.
DAEMON_LOG_AUTO
@ DAEMON_LOG_AUTO
If this is set a daemon_fork() will change this to DAEMON_LOG_SYSLOG in the daemon process.
Definition: dlog.h:42