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libdrgn: hash_table: use posix_memalign() instead of aligned_alloc()

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posix_memalign() doesn't have the restriction that the size must be a
multiple of the alignment like aligned_alloc() does in C11.

Signed-off-by: Omar Sandoval <osandov@osandov.com>
This commit is contained in:
Omar Sandoval 2020-07-16 16:44:42 -07:00
parent 2409868409
commit 2eab47ce9e
1 changed files with 4 additions and 9 deletions
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13
libdrgn/hash_table.h
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@ -628,15 +628,10 @@ static bool table##_rehash(struct table *table, size_t new_chunk_count, \
size_t orig_chunk_mask = table->chunk_mask; \
size_t orig_chunk_count = orig_chunk_mask + 1; \
size_t alloc_size = table##_alloc_size(new_chunk_count, new_max_size); \
\
/* \
* aligned_alloc() requires that the allocation size is aligned to the \
* allocation alignment. \
*/ \
table->chunks = aligned_alloc(hash_table_chunk_alignment, \
(alloc_size + 0xf) & ~(size_t)0xf); \
if (!table->chunks) \
goto err; \
void *new_chunks; \
if (posix_memalign(&new_chunks, hash_table_chunk_alignment, alloc_size))\
return false; \
table->chunks = new_chunks; \
memset(table->chunks, 0, alloc_size); \
table->chunks[0].chunk0_capacity = \
new_chunk_count == 1 ? new_max_size : 1; \