#ifndef __WORKER_UTIL_H__
#define __WORKER_UTIL_H__

extern int debug_level;
void debug_fn(const char *format, ...);

#define DEBUG(level, body) do { \
    if (level <= debug_level) { \
        debug_fn("DEBUG-%d (%s,%d): %s: ", level, __FILE__, __LINE__ , __FUNCTION__); \
        debug_fn body; \
    } \
} while(0)


#define CHECK(pointer, val, message, action) do { \
    if (pointer == (val)) { \
        DEBUG(0, message); \
        action; \
    } \
} while(0)

#define CHECK_NULL_FATAL(pointer, message) do { \
    if (pointer == NULL) { \
        DEBUG(0, message); \
        exit(1); \
    } \
} while(0)

#define CHECK_NULL_RETURN(pointer, message) do { \
    if (pointer == NULL) { \
        DEBUG(0, message); \
        return(-1); \
    } \
} while(0)

#define CHECK_MINUS_ONE_RETURN(pointer, message) do { \
    if (pointer == -1) { \
        DEBUG(0, message); \
        return(-1); \
    } \
} while(0)

#endif /* __WORKER_UTIL_H__ */