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GNU C Library master sources branch master updated. glibc-2.27.9000-39-g383e87c
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 6 Feb 2018 21:48:56 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.27.9000-39-g383e87c
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=383e87c96b9eee3b4b2d78dbeeaa8e2c0db35feb
commit 383e87c96b9eee3b4b2d78dbeeaa8e2c0db35feb
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Feb 6 21:48:35 2018 +0000
Fix non-__GNUC__ definitions of __inline and __restrict (bug 17721).
Bug 17721 reports that the non-__GNUC__ definitions of __inline and
__restrict are suboptimal, in that they are defined to empty when they
could be defined to inline and restrict for appropriate language
versions. This patch makes those fixes.
Tested for x86_64 (however, I have not done any testing with an actual
non-__GNUC__ compiler and it's likely such compilers may have other
problems with glibc headers).
[BZ #17721]
* misc/sys/cdefs.h [!__GNUC__ && (__cplusplus || (__STDC_VERSION__
&& __STDC_VERSION__ >= 199901L))] (__inline): Define to inline.
[!__GNUC_PREREQ (2,92) && __STDC_VERSION__ && __STDC_VERSION__ >=
199901L] (__restrict): Define to restrict.
diff --git a/ChangeLog b/ChangeLog
index e19e415..62e2718 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2018-02-06 Joseph Myers <joseph@codesourcery.com>
+ [BZ #17721]
+ * misc/sys/cdefs.h [!__GNUC__ && (__cplusplus || (__STDC_VERSION__
+ && __STDC_VERSION__ >= 199901L))] (__inline): Define to inline.
+ [!__GNUC_PREREQ (2,92) && __STDC_VERSION__ && __STDC_VERSION__ >=
+ 199901L] (__restrict): Define to restrict.
+
[BZ #19667]
* string/testcopy.c: Include <support/support.h>. Do not include
<malloc.h>. Use <support/test-driver.c>.
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index af103fd..e80a45c 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -72,7 +72,12 @@
#else /* Not GCC. */
-# define __inline /* No inline functions. */
+# if (defined __cplusplus \
+ || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
+# define __inline inline
+# else
+# define __inline /* No inline functions. */
+# endif
# define __THROW
# define __THROWNL
@@ -368,7 +373,11 @@
/* __restrict is known in EGCS 1.2 and above. */
#if !__GNUC_PREREQ (2,92)
-# define __restrict /* Ignore */
+# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+# define __restrict restrict
+# else
+# define __restrict /* Ignore */
+# endif
#endif
/* ISO C99 also allows to declare arrays as non-overlapping. The syntax is
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
misc/sys/cdefs.h | 13 +++++++++++--
2 files changed, 17 insertions(+), 2 deletions(-)
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