diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 43 |
1 files changed, 32 insertions, 11 deletions
diff --git a/include/features.h b/include/features.h index e9227bfca0..4eb49a92b1 100644 --- a/include/features.h +++ b/include/features.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1991-1993,1995-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1991,1992,1993,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -38,6 +39,7 @@ _FILE_OFFSET_BITS=N Select default filesystem interface. _BSD_SOURCE ISO C, POSIX, and 4.3BSD things. _SVID_SOURCE ISO C, POSIX, and SVID things. + _ATFILE_SOURCE Additional *at interfaces. _GNU_SOURCE All of the above, plus GNU extensions. _REENTRANT Select additionally reentrant object. _THREAD_SAFE Same as _REENTRANT, often used by other systems. @@ -47,7 +49,7 @@ The `-ansi' switch to the GNU C compiler defines __STRICT_ANSI__. If none of these are defined, the default is to have _SVID_SOURCE, _BSD_SOURCE, and _POSIX_SOURCE set to one and _POSIX_C_SOURCE set to - 199506L. If more than one of these are defined, they accumulate. + 200112L. If more than one of these are defined, they accumulate. For example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE together give you ISO C, 1003.1, and 1003.2, but nothing else. @@ -69,6 +71,7 @@ __USE_BSD Define 4.3BSD things. __USE_SVID Define SVID things. __USE_MISC Define things common to BSD and System V Unix. + __USE_ATFILE Define *at interfaces and AT_* constants for them. __USE_GNU Define GNU extensions. __USE_REENTRANT Define reentrant/thread-safe *_r functions. __USE_FORTIFY_LEVEL Additional security measures used, according to level. @@ -102,6 +105,7 @@ #undef __USE_BSD #undef __USE_SVID #undef __USE_MISC +#undef __USE_ATFILE #undef __USE_GNU #undef __USE_REENTRANT #undef __USE_FORTIFY_LEVEL @@ -147,7 +151,7 @@ # undef _POSIX_SOURCE # define _POSIX_SOURCE 1 # undef _POSIX_C_SOURCE -# define _POSIX_C_SOURCE 199506L +# define _POSIX_C_SOURCE 200112L # undef _XOPEN_SOURCE # define _XOPEN_SOURCE 600 # undef _XOPEN_SOURCE_EXTENDED @@ -158,6 +162,8 @@ # define _BSD_SOURCE 1 # undef _SVID_SOURCE # define _SVID_SOURCE 1 +# undef _ATFILE_SOURCE +# define _ATFILE_SOURCE 1 #endif /* If nothing (other than _GNU_SOURCE) is defined, @@ -181,13 +187,15 @@ /* If none of the ANSI/POSIX macros are defined, use POSIX.1 and POSIX.2 (and IEEE Std 1003.1b-1993 unless _XOPEN_SOURCE is defined). */ -#if (!defined __STRICT_ANSI__ && !defined _POSIX_SOURCE && \ - !defined _POSIX_C_SOURCE) +#if ((!defined __STRICT_ANSI__ || (_XOPEN_SOURCE - 0) >= 500) && \ + !defined _POSIX_SOURCE && !defined _POSIX_C_SOURCE) # define _POSIX_SOURCE 1 # if defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) < 500 # define _POSIX_C_SOURCE 2 -# else +# elif defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) < 600 # define _POSIX_C_SOURCE 199506L +# else +# define _POSIX_C_SOURCE 200112L # endif #endif @@ -254,6 +262,10 @@ # define __USE_SVID 1 #endif +#ifdef _ATFILE_SOURCE +# define __USE_ATFILE 1 +#endif + #ifdef _GNU_SOURCE # define __USE_GNU 1 #endif @@ -262,12 +274,21 @@ # define __USE_REENTRANT 1 #endif -#if _FORTIFY_SOURCE > 0 && __GNUC_PREREQ (4, 1) && __OPTIMIZE__ > 0 -# if _FORTIFY_SOURCE == 1 -# define __USE_FORTIFY_LEVEL 1 -# elif _FORTIFY_SOURCE > 1 +#if defined _FORTIFY_SOURCE && _FORTIFY_SOURCE > 0 \ + && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 \ + && (__GNUC_PREREQ (4, 1) \ + || (defined __GNUC_RH_RELEASE__ && __GNUC_PREREQ (4, 0)) \ + || (defined __GNUC_RH_RELEASE__ && __GNUC_PREREQ (3, 4) \ + && __GNUC_MINOR__ == 4 \ + && (__GNUC_PATCHLEVEL__ > 2 \ + || (__GNUC_PATCHLEVEL__ == 2 && __GNUC_RH_RELEASE__ >= 8)))) +# if _FORTIFY_SOURCE > 1 # define __USE_FORTIFY_LEVEL 2 +# else +# define __USE_FORTIFY_LEVEL 1 # endif +#else +# define __USE_FORTIFY_LEVEL 0 #endif /* We do support the IEC 559 math functionality, real and complex. */ @@ -289,7 +310,7 @@ /* Major and minor version number of the GNU C library package. Use these macros to test for features in specific releases. */ #define __GLIBC__ 2 -#define __GLIBC_MINOR__ 4 +#define __GLIBC_MINOR__ 5 #define __GLIBC_PREREQ(maj, min) \ ((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min)) |