pike.git / src / pike_macros.h

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pike.git/src/pike_macros.h:1:   /*   || This file is part of Pike. For copyright information see COPYRIGHT.   || Pike is distributed under GPL, LGPL and MPL. See the file COPYING   || for more information. - || $Id: pike_macros.h,v 1.36 2003/06/30 16:43:02 mast Exp $ + || $Id: pike_macros.h,v 1.37 2003/06/30 17:06:09 mast Exp $   */      #ifndef MACROS_H   #define MACROS_H      #include <global.h>      #ifdef HAVE_SYS_PARAM_H   #include <sys/param.h>   #endif      #include "pike_memory.h"    - #define PTR_TO_INT(PTR) ((size_t) ((char *) (PTR) - (char *) 0)) + #define PTR_TO_INT(PTR) ((size_t) ((char *) (PTR) - (char *) NULL))      #define OFFSETOF(str_type, field) \ -  PTR_TO_INT(& (((struct str_type *)0)->field)) +  PTR_TO_INT(& (((struct str_type *)NULL)->field))   #define BASEOF(ptr, str_type, field) \    ((struct str_type *)((char*)ptr - OFFSETOF(str_type, field)))   #define ALIGNOF(X) OFFSETOF({ char ignored_; X fooo_;}, fooo_) - /* #define ALIGNOF(X) PTR_TO_INT(&(((struct { char ignored_ ; X fooo_; } *)0)->fooo_)) */ + /* #define ALIGNOF(X) PTR_TO_INT(&(((struct { char ignored_ ; X fooo_; } *)NULL)->fooo_)) */      #define NELEM(a) (sizeof (a) / sizeof ((a)[0]))   #define ALLOC_STRUCT(X) ( (struct X *)xalloc(sizeof(struct X)) )      #define MINIMUM(X,Y) ((X)<(Y)?(X):(Y))   #define MAXIMUM(X,Y) ((X)>(Y)?(X):(Y))         #define is8bitalnum(X) ("0000000000000000" \    "0000000000000000" \