macros.h

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#ifndef __CLSYNC_MACROS_H
#define __CLSYNC_MACROS_H
 
#ifdef _DEBUG
#   define DEBUGV(...) __VA_ARGS__
#else
#   define DEBUGV(...)
#endif
 
#ifdef PARANOID
#   define PARANOIDV(...) __VA_ARGS__
#else
#   define PARANOIDV(...)
#endif
 
// gcc, clang and lcc support __builtin_expect and define __GNUC__
#ifdef __GNUC__
#   ifndef likely
#       define likely(x)    __builtin_expect(!!(x), 1)
#   endif
#   ifndef unlikely
#       define unlikely(x)  __builtin_expect(!!(x), 0)
#   endif
#else
#   ifndef likely
#       define likely(x)   (x)
#   endif
#   ifndef unlikely
#       define unlikely(x) (x)
#   endif
#endif
 
#ifndef offsetof
#   define offsetof(a, b) __builtin_offsetof(a, b)
#endif
 
// clang defines "__GNUC__", but not compatible with gnuc. Fixing.
#ifdef __clang__
#   ifdef __GNUC__
#       undef __GNUC__
#   endif
#endif
 
#define TOSTR(a) # a
#define XTOSTR(a) TOSTR(a)
 
#define COLLECTDELAY_INSTANT ((unsigned int)~0)
 
 
#define MSG_SECURITY_PROBLEM(a) "Security problem: "a". Don't use this application until the bug will be fixed. Report about the problem to: "AUTHOR
 
#define require_strlen_le(str, limit) \
    if (unlikely( strlen(str) >= limit ))\
        critical("length of "TOSTR(str)" (\"%s\") >= "TOSTR(limit));\
     
#define SAFE(code, onfail) __extension__({\
        long _SAFE_rc;\
        if (unlikely((_SAFE_rc = code))) {\
            error("Got error while "TOSTR(code));\
            onfail;\
        } \
        _SAFE_rc;\
    })
 
#endif