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GNU C Library master sources branch master updated. glibc-2.22-486-gdbb7600


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       via  dbb7600658d8ea633083ee99572622b04ef23a3f (commit)
      from  58acfe6fa7b1e28ec15ce59c5a90fe36a9c11a85 (commit)

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=dbb7600658d8ea633083ee99572622b04ef23a3f

commit dbb7600658d8ea633083ee99572622b04ef23a3f
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Thu Oct 29 12:46:22 2015 +0000

    Use max_align_t from <stddef.h>.
    
    Now that we build with -std=gnu11 and can rely on a compiler providing
    max_align_t in <stddef.h>, we no longer need our own version
    libc_max_align_t.  This patch removes it and replaces the single user
    with a use of max_align_t.
    
    Tested for x86_64 and x86 (testsuite, and that installed stripped
    shared libraries are unchanged by the patch for x86_64; for x86, I see
    some code reordering of no significance).
    
    	* include/libc-internal.h (libc_max_align_t): Remove typedef.
    	* include/scratch_buffer.h: Include <stddef.h> instead of
    	<libc-internal.h>.
    	(struct scratch_buffer): Use max_align_t instead of
    	libc_max_align_t.

diff --git a/ChangeLog b/ChangeLog
index 9bab5e4..55c2a0d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2015-10-29  Joseph Myers  <joseph@codesourcery.com>
+
+	* include/libc-internal.h (libc_max_align_t): Remove typedef.
+	* include/scratch_buffer.h: Include <stddef.h> instead of
+	<libc-internal.h>.
+	(struct scratch_buffer): Use max_align_t instead of
+	libc_max_align_t.
+
 2015-10-29  Florian Weimer  <fweimer@redhat.com>
 
 	* elf/dl-fini.c (_dl_fini): Rewrite to use variable-length array
diff --git a/include/libc-internal.h b/include/libc-internal.h
index 65a2a56..7a185bb 100644
--- a/include/libc-internal.h
+++ b/include/libc-internal.h
@@ -111,13 +111,4 @@ extern __typeof (__profile_frequency) __profile_frequency attribute_hidden;
 #define DIAG_IGNORE_NEEDS_COMMENT(version, option)	\
   _Pragma (_DIAG_STR (GCC diagnostic ignored option))
 
-/* This mirrors the C11 max_align_t type provided by GCC, but it is
-   also available in C99 mode.  The aligned attributes are required
-   because some ABIs have reduced alignment requirements for struct
-   and union members.  */
-typedef struct {
-  long long ll __attribute__ ((__aligned__ (__alignof__ (long long))));
-  long double ld __attribute__ ((__aligned__ (__alignof__ (long double))));
-} libc_max_align_t;
-
 #endif /* _LIBC_INTERNAL  */
diff --git a/include/scratch_buffer.h b/include/scratch_buffer.h
index 6f92694..1a50cdf 100644
--- a/include/scratch_buffer.h
+++ b/include/scratch_buffer.h
@@ -58,17 +58,16 @@
 */
 
 #include <stdbool.h>
+#include <stddef.h>
 #include <stdlib.h>
 
-#include <libc-internal.h>
-
 /* Scratch buffer.  Must be initialized with scratch_buffer_init
    before its use.  */
 struct scratch_buffer {
   void *data;    /* Pointer to the beginning of the scratch area.  */
   size_t length; /* Allocated space at the data pointer, in bytes.  */
   char __space[1024]
-    __attribute__ ((aligned (__alignof__ (libc_max_align_t))));
+    __attribute__ ((aligned (__alignof__ (max_align_t))));
 };
 
 /* Initializes *BUFFER so that BUFFER->data points to BUFFER->__space

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                |    8 ++++++++
 include/libc-internal.h  |    9 ---------
 include/scratch_buffer.h |    5 ++---
 3 files changed, 10 insertions(+), 12 deletions(-)


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