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Fix clang warning.
[thirdparty/cups.git] / cups / debug-private.h
1 /*
2 * Private debugging APIs for CUPS.
3 *
4 * Copyright © 2007-2018 by Apple Inc.
5 * Copyright © 1997-2005 by Easy Software Products.
6 *
7 * Licensed under Apache License v2.0. See the file "LICENSE" for more
8 * information.
9 */
10
11 #ifndef _CUPS_DEBUG_PRIVATE_H_
12 # define _CUPS_DEBUG_PRIVATE_H_
13
14
15 /*
16 * Include necessary headers...
17 */
18
19 # include <cups/versioning.h>
20
21
22 /*
23 * C++ magic...
24 */
25
26 # ifdef __cplusplus
27 extern "C" {
28 # endif /* __cplusplus */
29
30
31 /*
32 * The debug macros are used if you compile with DEBUG defined.
33 *
34 * Usage:
35 *
36 * DEBUG_set("logfile", "level", "filter", 1)
37 *
38 * The DEBUG_set macro allows an application to programmatically enable (or
39 * disable) debug logging. The arguments correspond to the CUPS_DEBUG_LOG,
40 * CUPS_DEBUG_LEVEL, and CUPS_DEBUG_FILTER environment variables. The 1 on the
41 * end forces the values to override the environment.
42 */
43
44 # ifdef DEBUG
45 # define DEBUG_set(logfile,level,filter) _cups_debug_set(logfile,level,filter,1)
46 # else
47 # define DEBUG_set(logfile,level,filter)
48 # endif /* DEBUG */
49
50
51 /*
52 * Prototypes...
53 */
54
55 extern void _cups_debug_set(const char *logfile, const char *level, const char *filter, int force) _CUPS_PRIVATE;
56 # ifdef _WIN32
57 extern int _cups_gettimeofday(struct timeval *tv, void *tz) _CUPS_PRIVATE;
58 # define gettimeofday(a,b) _cups_gettimeofday(a, b)
59 # endif /* _WIN32 */
60
61 # ifdef __cplusplus
62 }
63 # endif /* __cplusplus */
64
65 #endif /* !_CUPS_DEBUG_PRIVATE_H_ */