binutils-gdb/gdb/gnulib/stddef.in.h

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gdb/ 2010-05-23 Pedro Alves <pedro@codesourcery.com> Update gnulib from latest git. (250b80067c1e1d8faa0c42fb572f721975b929c5) * gnulib/memcmp.c: Removed. * gnulib/memchr.valgrind: New. * gnulib/stddef.in.h: New. * gnulib/Makefile.am: Updated. * gnulib/memchr.c: Updated. * gnulib/memmem.c: Updated. * gnulib/stdint.in.h: Updated. * gnulib/str-two-way.h: Updated. * gnulib/string.in.h: Updated. * gnulib/wchar.in.h: Updated. * gnulib/extra/link-warning.h: Removed. * gnulib/extra/c++defs.h: New. * gnulib/extra/warn-on-use.h: New. * gnulib/extra/arg-nonnull.h: Updated. * gnulib/m4/extensions.m4: Updated. * gnulib/m4/gnulib-cache.m4: Updated. * gnulib/m4/gnulib-common.m4: Updated. * gnulib/m4/gnulib-comp.m4: Updated. * gnulib/m4/gnulib-tool.m4: Updated. * gnulib/m4/include_next.m4: Updated. * gnulib/m4/longlong.m4: Updated. * gnulib/m4/memchr.m4: Updated. * gnulib/m4/memmem.m4: Updated. * gnulib/m4/stdint.m4: Updated. * gnulib/m4/string_h.m4: Updated. * gnulib/m4/memcmp.m4: Removed. * gnulib/m4/onceonly_2_57.m4: Removed. * gnulib/m4/00gnulib.m4: New. * gnulib/m4/mmap-anon.m4: New. * gnulib/m4/multiarch.m4: New. * gnulib/m4/onceonly.m4: New. * gnulib/m4/stddef_h.m4: New. * gnulib/m4/warn-on-use.m4: New. * gnulib/m4/wchar.m4: Removed. * gnulib/m4/wchar_h.m4: New. * gnulib/m4/wchar_t.m4: New. * gnulib/m4/wint_t.m4: New. * aclocal.m4: Regenerate. * config.in: Likewise. * configure: Likewise. * gnulib/Makefile.in: Likewise. gdb/gdbserver/ 2010-05-23 Pedro Alves <pedro@codesourcery.com> * config.h, configure: Regenerate.
2010-05-23 02:57:01 +02:00
/* 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 General Public License as published by
the Free Software Foundation; either version 3, 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 General Public License for more details.
You should have received a copy of the GNU 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 */