SANEI 1.3.1.74-c434
sanei_debug.h
Go to the documentation of this file.
1
7#ifndef _SANEI_DEBUG_H
8#define _SANEI_DEBUG_H
9
10#include <sane/sanei.h>
11
12#ifdef __cplusplus
13extern "C" {
14#endif
15
70/* @} */
71
72
74#define ENTRY(name) PASTE(PASTE(PASTE(sane_,BACKEND_NAME),_),name)
75
76#ifdef NDEBUG
77
78extern void sanei_debug_ndebug (int level, const char *msg, ...);
79
80# define DBG_LEVEL (0)
81# define DBG_INIT()
82# define DBG sanei_debug_ndebug
83# define IF_DBG(x)
84
85#else /* !NDEBUG */
86
88# define DBG_LEVEL PASTE(sanei_debug_,BACKEND_NAME)
89
90# if defined(BACKEND_NAME) && !defined(STUBS)
91# ifdef DEBUG_DECLARE_ONLY
92extern int DBG_LEVEL;
93# else /* !DEBUG_DECLARE_ONLY */
94int DBG_LEVEL = 0;
95# endif /* DEBUG_DECLARE_ONLY */
96# endif /* BACKEND_NAME && !STUBS */
97
99# define DBG_INIT() \
100 sanei_init_debug (STRINGIFY(BACKEND_NAME), &DBG_LEVEL)
101
103# define DBG_LOCAL PASTE(DBG_LEVEL,_call)
104
105
106# ifndef STUBS
107
108# ifdef DEBUG_DECLARE_ONLY
109
110extern void DBG_LOCAL (int level, const char *msg, ...)
111#ifdef __GNUC__
112__attribute__ ((format (printf, 2, 3)))
113#endif
114;
115
116# else /* !DEBUG_DECLARE_ONLY */
117
118# include <stdarg.h>
119
121 (int level, int max_level, const char *be, const char *fmt, va_list ap);
122
123#ifdef __GNUC__
124# ifndef DEBUG_NOT_STATIC
125static
126# endif /* !DEBUG_NOT_STATIC */
127void DBG_LOCAL (int level, const char *msg, ...) __attribute__ ((format (printf, 2, 3)));
128#endif /* __GNUC__ */
129
130# ifndef DEBUG_NOT_STATIC
131static
132# endif /* !DEBUG_NOT_STATIC */
133void
134DBG_LOCAL (int level, const char *msg, ...)
135{
136 va_list ap;
137
138 va_start (ap, msg);
139 sanei_debug_msg (level, DBG_LEVEL, STRINGIFY(BACKEND_NAME), msg, ap);
140 va_end (ap);
141}
142
143# endif /* DEBUG_DECLARE_ONLY */
144
145# endif /* !STUBS */
146
148# define DBG DBG_LOCAL
149
150extern void sanei_init_debug (const char * backend, int * debug_level_var);
151
153# define IF_DBG(x) x
154
155#endif /* NDEBUG */
156
157#ifdef __cplusplus
158} // extern "C"
159#endif
160
161#endif /* _SANEI_DEBUG_H */
Convenience macros and function declarations for backends.
#define STRINGIFY(x)
Turn parameter into string.
Definition: sanei.h:159
#define DBG_LEVEL
Current debug level.
Definition: sanei_debug.h:88
void sanei_init_debug(const char *backend, int *debug_level_var)
Expands to sane_BACKEND_NAME_name.
#define DBG_LOCAL
Expands to sane_BACKEND_NAME_name.
Definition: sanei_debug.h:103
void sanei_debug_msg(int level, int max_level, const char *be, const char *fmt, va_list ap)
Expands to sane_BACKEND_NAME_name.