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Use max_align_t from <stddef.h>.

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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.
This commit is contained in:
Joseph Myers
2015-10-29 12:46:22 +00:00
parent 58acfe6fa7
commit dbb7600658
3 changed files with 10 additions and 12 deletions
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5
include/scratch_buffer.h
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@ -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