common++.h

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#ifndef  __JBXL_CPP_COMMONPP_HEADER_
#define  __JBXL_CPP_COMMONPP_HEADER_
 
#ifndef CPLUSPLUS
    #define CPLUSPLUS
#endif
 
#include "common.h"
#include <string>
 
//
namespace jbxl {
 
 
//
// case of C, isNull() is ormal function, see tools.h
//
inline  bool  isNull(void* p) {
    if (p==NULL) return true;
 
#ifdef WIN32
    if (p==WIN_DD_NULL) return true;
#endif
    
    return false;
}
 
#ifdef freeNull  // for C
#undef freeNull
#endif
template <typename T> inline void   freeNull(T& p) { if (!jbxl::isNull(p)) ::free(p); p = (T)NULL;}
 
template <typename T> inline void deleteNull(T& p) { delete p; p = (T)NULL;}
 
 
#ifndef WIN32
    #ifndef BOOL
        #define BOOL int
    #endif
#endif
 
 
}       // namespace
 
 
#endif