sanei_debug.h

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#ifndef _SANEI_DEBUG_H
#define _SANEI_DEBUG_H

#include <sane/sanei.h>

/* @} */


#define ENTRY(name)     PASTE(PASTE(PASTE(sane_,BACKEND_NAME),_),name)

#ifdef NDEBUG
  
extern void sanei_debug_ndebug (int level, const char *msg, ...);
        
# define DBG_LEVEL      (0)
# define DBG_INIT()
# define DBG            sanei_debug_ndebug
# define IF_DBG(x)
        
#else /* !NDEBUG */
        
# define DBG_LEVEL      PASTE(sanei_debug_,BACKEND_NAME)

# if defined(BACKEND_NAME) && !defined(STUBS)
#  ifdef DEBUG_DECLARE_ONLY
extern int DBG_LEVEL;
#  else /* !DEBUG_DECLARE_ONLY */
int DBG_LEVEL = 0;
#  endif /* DEBUG_DECLARE_ONLY */
# endif /* BACKEND_NAME && !STUBS */

# define DBG_INIT()                                     \
  sanei_init_debug (STRINGIFY(BACKEND_NAME), &DBG_LEVEL)

# define DBG_LOCAL      PASTE(DBG_LEVEL,_call)


# ifndef STUBS

#  ifdef DEBUG_DECLARE_ONLY

extern void DBG_LOCAL (int level, const char *msg, ...) 
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 3)))
#endif
;

#  else /* !DEBUG_DECLARE_ONLY */

#   include <stdarg.h>
        
extern void sanei_debug_msg 
  (int level, int max_level, const char *be, const char *fmt, va_list ap);

#ifdef __GNUC__
#   ifndef DEBUG_NOT_STATIC
static
#   endif /* !DEBUG_NOT_STATIC */
void DBG_LOCAL (int level, const char *msg, ...) __attribute__ ((format (printf, 2, 3)));
#endif /* __GNUC__ */

#   ifndef DEBUG_NOT_STATIC
static
#   endif /* !DEBUG_NOT_STATIC */
void
DBG_LOCAL (int level, const char *msg, ...)
{
  va_list ap;

  va_start (ap, msg);
  sanei_debug_msg (level, DBG_LEVEL, STRINGIFY(BACKEND_NAME), msg, ap);
  va_end (ap);
}

#  endif /* DEBUG_DECLARE_ONLY */

# endif /* !STUBS */

# define DBG            DBG_LOCAL

extern void sanei_init_debug (const char * backend, int * debug_level_var);
  
# define IF_DBG(x)      x

#endif /* NDEBUG */

#endif /* _SANEI_DEBUG_H */

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