EST_bool.h

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 /*                 Author: Richard Caley (rjc@cstr.ed.ac.uk)            */
 /*                   Date: Tue Apr  1 1997                              */
 /************************************************************************/
 /*                                                                      */
 /* Temporary bool type definition.                                      */
 /*                                                                      */
 /************************************************************************/

#ifndef __EST_BOOL_H__
#define __EST_BOOL_H__

#if defined(__GNUC__) ||  defined(SYSTEM_IS_WIN32)

  /* GCC seems to be so very fond of bool -- it's built into
   * the compiler and it chokes on my definition.
   */

#ifdef __cplusplus
extern "C" {
#endif

#ifndef TRUE
#define TRUE (1==1)
#endif
#ifndef FALSE
#define FALSE (1==0)
#endif

#ifdef __cplusplus
}
#endif

#else /* __GNUC__ */

  /* For a boring type we still #define everything for code
   * which uses ifdef to see if bool is defined.
   */

#undef true
#undef false
#undef TRUE
#undef FALSE

#ifdef __cplusplus
#if 0

  class BoolType {
    
  private:
    int p_val;

  public:
    BoolType(int i) { p_val = i!=0;};
    BoolType() { p_val = 1==0;};

    operator int () const { return p_val; };

    BoolType operator == (BoolType b) const { return p_val == b.p_val;};
    BoolType operator != (BoolType b) const { return p_val != b.p_val;};

  };

#define true BoolType(1)
#define false BoolType(0)
#define TRUE BoolType(1)
#define FALSE BoolType(0)
#define bool BoolType

#else /* 0 */

/* Because SunCC is stupid we pretend we can't do better than we */
/* could with C.                                                 */
#if __SUNPRO_CC_COMPAT != 5
#define bool int
#endif
#define TRUE (1==1)
#define FALSE (1==0)
#define true TRUE
#define false FALSE

#endif

#else /* __cplusplus */

#define bool int
#define TRUE (1==1)
#define FALSE (1==0)

#endif /* __cplusplus */
#endif /* not __GNUC__ */

#endif