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(bitsetv_alloc): Return a size that is aligned properly for vectors of

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objects.  Do not assume that adding a header size to a multiple of a
word size yields a value that is properly aligned for the whole union.

(bitsetv_alloc): Add a cast to (void *) to avoid a GCC warning.
This commit is contained in:
Paul Eggert
2002-10-10 07:25:21 +00:00
parent 55e728eb31
commit f5e211a120
1 changed files with 5 additions and 4 deletions
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9
lib/bitsetv.c
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@@ -32,7 +32,7 @@ bitset *
bitsetv_alloc (n_vecs, n_bits, type)
bitset_bindex n_vecs;
bitset_bindex n_bits;
enum bitset_type type;
enum_bitset_type type;
{
size_t vector_bytes;
size_t bytes;
@@ -47,12 +47,13 @@ bitsetv_alloc (n_vecs, n_bits, type)
xalloc_die ();
/* Allocate vector table at head of bitset array. */
vector_bytes = (n_vecs + 1) * sizeof (bitset);
vector_bytes = (n_vecs + 1) * sizeof (bitset) + bytes - 1;
vector_bytes -= vector_bytes % bytes;
bsetv = (bitset *) xcalloc (1, vector_bytes + bytes * n_vecs);
for (i = 0; i < n_vecs; i++)
{
bsetv[i] = (bitset) ((char *) bsetv + vector_bytes + i * bytes);
bsetv[i] = (bitset) (void *) ((char *) bsetv + vector_bytes + i * bytes);
bitset_init (bsetv[i], n_bits, type);
}
@@ -94,7 +95,7 @@ bitsetv_free (bsetv)
/* Zero a vector of bitsets. */
void
bitsetv_zero (bsetv)
struct bitset_struct **bsetv;
bitsetv bsetv;
{
bitset_bindex i;