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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /include/features.h
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'include/features.h')
-rw-r--r--include/features.h43
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))