diff options
Diffstat (limited to 'lib/stddef.in.h')
| -rw-r--r-- | lib/stddef.in.h | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/lib/stddef.in.h b/lib/stddef.in.h index f5c0e05..44db241 100644 --- a/lib/stddef.in.h +++ b/lib/stddef.in.h @@ -1,6 +1,6 @@ /* A substitute for POSIX 2008 <stddef.h>, for platforms that have issues. - Copyright (C) 2009-2014 Free Software Foundation, Inc. + Copyright (C) 2009-2015 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -39,7 +39,6 @@ # if !(defined _@GUARD_PREFIX@_STDDEF_H && defined _GL_STDDEF_WINT_T) # ifdef __need_wint_t -# undef _@GUARD_PREFIX@_STDDEF_H # define _GL_STDDEF_WINT_T # endif # @INCLUDE_NEXT@ @NEXT_STDDEF_H@ @@ -54,33 +53,45 @@ # @INCLUDE_NEXT@ @NEXT_STDDEF_H@ -# ifndef _@GUARD_PREFIX@_STDDEF_H -# define _@GUARD_PREFIX@_STDDEF_H - /* On NetBSD 5.0, the definition of NULL lacks proper parentheses. */ -#if @REPLACE_NULL@ -# undef NULL -# ifdef __cplusplus +# if (@REPLACE_NULL@ \ + && (!defined _@GUARD_PREFIX@_STDDEF_H || defined _GL_STDDEF_WINT_T)) +# undef NULL +# ifdef __cplusplus /* ISO C++ says that the macro NULL must expand to an integer constant expression, hence '((void *) 0)' is not allowed in C++. */ -# if __GNUG__ >= 3 +# if __GNUG__ >= 3 /* GNU C++ has a __null macro that behaves like an integer ('int' or 'long') but has the same size as a pointer. Use that, to avoid warnings. */ -# define NULL __null -# else -# define NULL 0L +# define NULL __null +# else +# define NULL 0L +# endif +# else +# define NULL ((void *) 0) +# endif # endif -# else -# define NULL ((void *) 0) -# endif -#endif + +# ifndef _@GUARD_PREFIX@_STDDEF_H +# define _@GUARD_PREFIX@_STDDEF_H /* Some platforms lack wchar_t. */ #if !@HAVE_WCHAR_T@ # define wchar_t int #endif +/* Some platforms lack max_align_t. */ +#if !@HAVE_MAX_ALIGN_T@ +typedef union +{ + char *__p; + double __d; + long double __ld; + long int __i; +} max_align_t; +#endif + # endif /* _@GUARD_PREFIX@_STDDEF_H */ # endif /* _@GUARD_PREFIX@_STDDEF_H */ #endif /* __need_XXX */ |