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| 1 /* A substitute for POSIX 2008 <stddef.h>, for platforms that have issues. | |
| 2 | |
| 3 Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc. | |
| 4 | |
| 5 This program is free software; you can redistribute it and/or modify | |
| 6 it under the terms of the GNU General Public License as published by | |
| 7 the Free Software Foundation; either version 3, or (at your option) | |
| 8 any later version. | |
| 9 | |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
| 16 along with this program; if not, write to the Free Software Foundation, | |
| 17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | |
| 18 | |
| 19 /* Written by Eric Blake. */ | |
| 20 | |
| 21 /* | |
| 22 * POSIX 2008 <stddef.h> for platforms that have issues. | |
| 23 * <http://www.opengroup.org/susv3xbd/stddef.h.html> | |
| 24 */ | |
| 25 | |
| 26 #if __GNUC__ >= 3 | |
| 27 @PRAGMA_SYSTEM_HEADER@ | |
| 28 #endif | |
| 29 | |
| 30 #if defined __need_wchar_t || defined __need_size_t \ | |
| 31 || defined __need_ptrdiff_t || defined __need_NULL \ | |
| 32 || defined __need_wint_t | |
| 33 /* Special invocation convention inside gcc header files. In | |
| 34 particular, gcc provides a version of <stddef.h> that blindly | |
| 35 redefines NULL even when __need_wint_t was defined, even though | |
| 36 wint_t is not normally provided by <stddef.h>. Hence, we must | |
| 37 remember if special invocation has ever been used to obtain wint_t, | |
| 38 in which case we need to clean up NULL yet again. */ | |
| 39 | |
| 40 # if !(defined _GL_STDDEF_H && defined _GL_STDDEF_WINT_T) | |
| 41 # ifdef __need_wint_t | |
| 42 # undef _GL_STDDEF_H | |
| 43 # define _GL_STDDEF_WINT_T | |
| 44 # endif | |
| 45 # @INCLUDE_NEXT@ @NEXT_STDDEF_H@ | |
| 46 # endif | |
| 47 | |
| 48 #else | |
| 49 /* Normal invocation convention. */ | |
| 50 | |
| 51 # ifndef _GL_STDDEF_H | |
| 52 | |
| 53 /* The include_next requires a split double-inclusion guard. */ | |
| 54 | |
| 55 # @INCLUDE_NEXT@ @NEXT_STDDEF_H@ | |
| 56 | |
| 57 # ifndef _GL_STDDEF_H | |
| 58 # define _GL_STDDEF_H | |
| 59 | |
| 60 /* On NetBSD 5.0, the definition of NULL lacks proper parentheses. */ | |
| 61 #if @REPLACE_NULL@ | |
| 62 # undef NULL | |
| 63 # ifdef __cplusplus | |
| 64 /* ISO C++ says that the macro NULL must expand to an integer constant | |
| 65 expression, hence '((void *) 0)' is not allowed in C++. */ | |
| 66 # if __GNUG__ >= 3 | |
| 67 /* GNU C++ has a __null macro that behaves like an integer ('int' or | |
| 68 'long') but has the same size as a pointer. Use that, to avoid | |
| 69 warnings. */ | |
| 70 # define NULL __null | |
| 71 # else | |
| 72 # define NULL 0L | |
| 73 # endif | |
| 74 # else | |
| 75 # define NULL ((void *) 0) | |
| 76 # endif | |
| 77 #endif | |
| 78 | |
| 79 /* Some platforms lack wchar_t. */ | |
| 80 #if !@HAVE_WCHAR_T@ | |
| 81 # define wchar_t int | |
| 82 #endif | |
| 83 | |
| 84 # endif /* _GL_STDDEF_H */ | |
| 85 # endif /* _GL_STDDEF_H */ | |
| 86 #endif /* __need_XXX */ | |
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Chromium Code Reviews
Issue 11969036:
Merge GDB 7.5.1 (Closed)
Base URL: http://git.chromium.org/native_client/nacl-gdb.git@master