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comparison lib/stddef.in.h @ 421:3c2e1f24cc7d 3.0-beta2
Added generated files for release
author | lost@l-w.ca |
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date | Sun, 19 Sep 2010 01:33:24 -0600 |
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420:7366deedfa85 | 421:3c2e1f24cc7d |
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1 /* A substitute for POSIX 2008 <stddef.h>, for platforms that have issues. | |
2 | |
3 Copyright (C) 2009, 2010 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 */ |