debug.h

#ifndef CUCKOO_FILTER_DEBUG_H_
#define CUCKOO_FILTER_DEBUG_H_

#include <stdio.h>  // for perror

namespace cuckoofilter {

#ifndef DEBUG
//#define DEBUG
#endif

#define debug_level (DEBUG_ERRS | DEBUG_CUCKOO)

#ifdef DEBUG
// extern unsigned int debug;

/*
 * a combination of DEBUG_ERRS, DEBUG_CUCKOO, DEBUG_TABLE, DEBUG_ENCODE
 */

#define DPRINTF(level, ...)                                    \
  do {                                                         \
    if (debug_level & (level)) fprintf(stdout, ##__VA_ARGS__); \
  } while (0)
#define DEBUG_PERROR(errmsg)                      \
  do {                                            \
    if (debug_level & DEBUG_ERRS) perror(errmsg); \
  } while (0)

#else

#define DPRINTF(level, ...)
#define DEBUG_PERROR(level, ...)

#endif

/*
 * The format of this should be obvious.  Please add some explanatory
 * text if you add a debugging value.  This text will show up in
 * -d list
 */
#define DEBUG_NONE 0x00    // DBTEXT:  No debugging
#define DEBUG_ERRS 0x01    // DBTEXT:  Verbose error reporting
#define DEBUG_CUCKOO 0x02  // DBTEXT:  Messages for cuckoo hashing
#define DEBUG_TABLE 0x04   // DBTEXT:  Messages for table operations
#define DEBUG_ENCODE 0x08  // DBTEXT:  Messages for encoding

#define DEBUG_ALL 0xffffffff

// int set_debug(char *arg);  /* Returns 0 on success, -1 on failure */

}  // namespace cuckoofilter

#endif  // CUCKOO_FILTER_DEBUG_H_