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author | Simon Josefsson <simon@josefsson.org> | 2010-01-11 11:07:37 +0100 |
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committer | Simon Josefsson <simon@josefsson.org> | 2010-01-11 11:07:37 +0100 |
commit | 649ac519daf2f72a9ab96dea61a25ea2c8921ac6 (patch) | |
tree | d7ddf929e1eb93b25dda0768069ca613444b27c9 /lib/gllib/stddef.in.h | |
parent | 51a9116016d4a2b5e13e474ca32fed4dd70dfacc (diff) | |
download | libtasn1-649ac519daf2f72a9ab96dea61a25ea2c8921ac6.tar.gz libtasn1-649ac519daf2f72a9ab96dea61a25ea2c8921ac6.tar.bz2 libtasn1-649ac519daf2f72a9ab96dea61a25ea2c8921ac6.zip |
Update gnulib files.
Diffstat (limited to 'lib/gllib/stddef.in.h')
-rw-r--r-- | lib/gllib/stddef.in.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/lib/gllib/stddef.in.h b/lib/gllib/stddef.in.h new file mode 100644 index 0000000..c8900d5 --- /dev/null +++ b/lib/gllib/stddef.in.h @@ -0,0 +1,86 @@ +/* A substitute for POSIX 2008 <stddef.h>, for platforms that have issues. + + Copyright (C) 2009, 2010 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Eric Blake. */ + +/* + * POSIX 2008 <stddef.h> for platforms that have issues. + * <http://www.opengroup.org/susv3xbd/stddef.h.html> + */ + +#if __GNUC__ >= 3 +@PRAGMA_SYSTEM_HEADER@ +#endif + +#if defined __need_wchar_t || defined __need_size_t \ + || defined __need_ptrdiff_t || defined __need_NULL \ + || defined __need_wint_t +/* Special invocation convention inside gcc header files. In + particular, gcc provides a version of <stddef.h> that blindly + redefines NULL even when __need_wint_t was defined, even though + wint_t is not normally provided by <stddef.h>. Hence, we must + remember if special invocation has ever been used to obtain wint_t, + in which case we need to clean up NULL yet again. */ + +# if !(defined _GL_STDDEF_H && defined _GL_STDDEF_WINT_T) +# ifdef __need_wint_t +# undef _GL_STDDEF_H +# define _GL_STDDEF_WINT_T +# endif +# @INCLUDE_NEXT@ @NEXT_STDDEF_H@ +# endif + +#else +/* Normal invocation convention. */ + +# ifndef _GL_STDDEF_H + +/* The include_next requires a split double-inclusion guard. */ + +# @INCLUDE_NEXT@ @NEXT_STDDEF_H@ + +# ifndef _GL_STDDEF_H +# define _GL_STDDEF_H + +/* On NetBSD 5.0, the definition of NULL lacks proper parentheses. */ +#if @REPLACE_NULL@ +# 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 + /* 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 +# endif +# else +# define NULL ((void *) 0) +# endif +#endif + +/* Some platforms lack wchar_t. */ +#if !@HAVE_WCHAR_T@ +# define wchar_t int +#endif + +# endif /* _GL_STDDEF_H */ +# endif /* _GL_STDDEF_H */ +#endif /* __need_XXX */ |