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Sync scratch_buffer with gnulib

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This patch syncs the scratch_buffer grom gnulib commit 3866ef6 with
GLIBC code.

Checked on x86_64-linux-gnu and on a build using build-many-glibcs.py
for all major architectures.

	* include/scratch_buffer.h (scratch_buffer): Use a C99 align method
	instead of GCC extension.
	* malloc/scratch_buffer_grow.c [!_LIBC]: Include libc-config.h.
	* malloc/scratch_buffer_grow_preserve.c [!_LIBC]: Likewise.
	* malloc/scratch_buffer_set_array_size.c [!_LIBC]: Likewise.
This commit is contained in:
Adhemerval Zanella
2017-09-04 16:44:12 -03:00
parent 5554304f0d
commit e00f242599
5 changed files with 22 additions and 5 deletions
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include/scratch_buffer.h
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@ -66,8 +66,7 @@
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__ (max_align_t))));
max_align_t __space[(1023 + sizeof (max_align_t)) / sizeof (max_align_t)];
};
/* Initializes *BUFFER so that BUFFER->data points to BUFFER->__space