diff options
Diffstat (limited to 'features.h')
| -rw-r--r-- | features.h | 57 |
1 files changed, 39 insertions, 18 deletions
@@ -1,20 +1,20 @@ /* Copyright (C) 1991, 92, 93, 95, 96 Free Software Foundation, Inc. -This file is part of the GNU C Library. + This file is part of the GNU C Library. -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -The GNU C Library 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 -Library General Public License for more details. + The GNU C Library 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 + Library General Public License for more details. -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #ifndef _FEATURES_H @@ -26,6 +26,8 @@ Cambridge, MA 02139, USA. */ __STRICT_ANSI__ ANSI Standard C. _POSIX_SOURCE IEEE Std 1003.1. _POSIX_C_SOURCE If ==1, like _POSIX_SOURCE; if ==2 add IEEE Std 1003.2. + _XOPEN_SOURCE Includes POSIX and XPG things. + _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions. _BSD_SOURCE ANSI, POSIX, and 4.3BSD things. _SVID_SOURCE ANSI, POSIX, and SVID things. _GNU_SOURCE All of the above, plus GNU extensions. @@ -43,6 +45,8 @@ Cambridge, MA 02139, USA. */ __USE_POSIX Define IEEE Std 1003.1 things. __USE_POSIX2 Define IEEE Std 1003.2 things. + __USE_XOPEN Define XPG things. + __USE_XOPEN_EXTENDED Define X/Open Unix things. __USE_BSD Define 4.3BSD things. __USE_SVID Define SVID things. __USE_MISC Define things common to BSD and System V Unix. @@ -62,6 +66,8 @@ Cambridge, MA 02139, USA. */ /* Undefine everything, so we get a clean slate. */ #undef __USE_POSIX #undef __USE_POSIX2 +#undef __USE_XOPEN +#undef __USE_XOPEN_EXTENDED #undef __USE_BSD #undef __USE_SVID #undef __USE_MISC @@ -71,7 +77,7 @@ Cambridge, MA 02139, USA. */ #undef __KERNEL_STRICT_NAMES /* Suppress kernel-name space pollution unless user expressedly asks - for it: */ + for it. */ #ifndef _LOOSE_KERNEL_NAMES # define __KERNEL_STRICT_NAMES #endif @@ -83,8 +89,9 @@ Cambridge, MA 02139, USA. */ /* If _BSD_SOURCE was defined by the user, favor BSD over POSIX. */ #if defined (_BSD_SOURCE) && \ !(defined (_POSIX_SOURCE) || defined (_POSIX_C_SOURCE) || \ + defined (_XOPEN_SOURCE) || defined (_XOPEN_SOURCE_DEFINED) || \ defined (_GNU_SOURCE) || defined (_SVID_SOURCE)) -#define __FAVOR_BSD 1 +# define __FAVOR_BSD 1 #endif /* If _GNU_SOURCE was defined by the user, turn on all the other features. */ @@ -93,6 +100,10 @@ Cambridge, MA 02139, USA. */ #define _POSIX_SOURCE 1 #undef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 2 +#undef _XOPEN_SOURCE +#define _XOPEN_SOURCE 1 +#undef _XOPEN_SOURCE_EXTENDED +#define _XOPEN_SOURCE_EXTENDED 1 #undef _BSD_SOURCE #define _BSD_SOURCE 1 #undef _SVID_SOURCE @@ -102,7 +113,8 @@ Cambridge, MA 02139, USA. */ /* If nothing (other than _GNU_SOURCE) is defined, define _BSD_SOURCE and _SVID_SOURCE. */ #if (!defined (__STRICT_ANSI__) && !defined (_POSIX_SOURCE) && \ - !defined (_POSIX_C_SOURCE) && !defined (_BSD_SOURCE) && \ + !defined (_POSIX_C_SOURCE) && !defined (_XOPEN_SOURCE) && \ + !defined (_XOPEN_SOURCE_EXTENDED) && !defined (_BSD_SOURCE) && \ !defined (_SVID_SOURCE)) #define _BSD_SOURCE 1 #define _SVID_SOURCE 1 @@ -115,14 +127,23 @@ Cambridge, MA 02139, USA. */ #define _POSIX_C_SOURCE 2 #endif -#if defined (_POSIX_SOURCE) || _POSIX_C_SOURCE >= 1 +#if (defined (_POSIX_SOURCE) || _POSIX_C_SOURCE >= 1 || \ + defined (_XOPEN_SOURCE)) #define __USE_POSIX 1 #endif -#if defined (_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 2 +#if (defined (_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 2 || \ + defined (_XOPEN_SOURCE)) #define __USE_POSIX2 1 #endif +#ifdef _XOPEN_SOURCE +#define __USE_XOPEN 1 +#ifdef _XOPEN_SOURCE_EXTENDED +#define __USE_XOPEN_EXTENDED 1 +#endif +#endif + #if defined (_BSD_SOURCE) || defined (_SVID_SOURCE) #define __USE_MISC 1 #endif |