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stdbool.h should be compatible with C++
- To: bug-gcc at gnu dot org
- Subject: stdbool.h should be compatible with C++
- From: Martin Buchholz <martin at xemacs dot org>
- Date: Sun, 5 Dec 1999 02:06:08 -0800 (PST)
- Reply-To: martin at xemacs dot org
The following program:
----------------------------
#include <stdbool.h>
bool foo;
----------------------------
could, with a little care, compile under C and C++. It fails under
gcc-2.95.2 c++.
Of course, portable programs cannot do this - they must autoconfiscate
themselves.
FYI, I am placing the following obvious autoconfiscated program
fragment into the Public Domain:
#ifndef __cplusplus
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#else /* Implement <stdbool.h> ourselves */
#undef bool
#undef true
#undef false
#undef __bool_true_false_are_defined
#define bool emacs_bool
#define true 1
#define false 0
#define __bool_true_false_are_defined 1
typedef unsigned int emacs_bool;
#endif /* ! HAVE_STDBOOL_H */
#endif /* ! C++ */