liblightify
liblightify-private.h
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1 /*
2  liblightify -- library to control OSRAM's LIGHTIFY
3 
4 Copyright (c) 2015, Tobias Frost <tobi@coldtobi.de>
5 All rights reserved.
6 
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
9  * Redistributions of source code must retain the above copyright
10  notice, this list of conditions and the following disclaimer.
11  * Redistributions in binary form must reproduce the above copyright
12  notice, this list of conditions and the following disclaimer in the
13  documentation and/or other materials provided with the distribution.
14  * Neither the name of the author nor the
15  names of its contributors may be used to endorse or promote products
16  derived from this software without specific prior written permission.
17 
18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
22 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 
30 #ifndef _LIBLIGHTIFY_PRIVATE_H_
31 #define _LIBLIGHTIFY_PRIVATE_H_
32 
33 #ifdef HAVE_CONFIG_H
34 #include "config.h"
35 #endif
36 
37 #include <syslog.h>
38 
40 
41 static inline void __attribute__((always_inline, format(printf, 2, 3)))
42 lightify_log_null(struct lightify_ctx *ctx, const char *format, ...) {}
43 
44 #define lightify_log_cond(ctx, prio, arg...) \
45  do { \
46  if (lightify_get_log_priority(ctx) >= prio) \
47  lightify_log(ctx, prio, __FILE__, __LINE__, __FUNCTION__, ## arg); \
48  } while (0)
49 
50 
51 #ifdef ENABLE_LOGGING
52 # ifdef ENABLE_DEBUG
53 # define dbg(ctx, arg...) lightify_log_cond(ctx, LOG_DEBUG, ## arg)
54 # else
55 # define dbg(ctx, arg...) lightify_log_null(ctx, ## arg)
56 # endif
57 # ifdef ENABLE_DEBUG_PROTO
58 # define dbg_proto(ctx,arg...) lightify_log_cond(ctx, LOG_DEBUG, ## arg)
59 # else
60 # define dbg_proto(ctx,arg...) lightify_log_null(ctx, ## arg)
61 # endif
62 # define info(ctx, arg...) lightify_log_cond(ctx, LOG_INFO, ## arg)
63 # define err(ctx, arg...) lightify_log_cond(ctx, LOG_ERR, ## arg)
64 #else
65 # define dbg(ctx, arg...) lightify_log_null(ctx, ## arg)
66 # define info(ctx, arg...) lightify_log_null(ctx, ## arg)
67 # define err(ctx, arg...) lightify_log_null(ctx, ## arg)
68 # define dbg_proto(ctx,arg...) lightify_log_null(ctx, ## arg)
69 #endif
70 
71 #ifndef HAVE_SECURE_GETENV
72 # ifdef HAVE___SECURE_GETENV
73 # define secure_getenv __secure_getenv
74 # else
75 # warning neither secure_getenv nor __secure_getenv is available. Setting logging verbosity via enviorement is not supported.
76 # endif
77 #endif
78 
79 #define LIGHTIFY_EXPORT __attribute__ ((visibility("default")))
80 
81 #endif
format
static void const char * format
Definition: liblightify-private.h:42
liblightify.h
lightify_ctx
Definition: context.h:68