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(lbitset_set, lbitset_reset): Do not assume that

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bitset_word is the same width as int.
(lbitset_op1): Use -1, not ~0, as memset arg (for
portability to one's complement hosts!).
This commit is contained in:
Paul Eggert
2002-08-12 14:22:08 +00:00
parent c837b82803
commit c340180d81
1 changed files with 5 additions and 3 deletions
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8
lib/lbitset.c
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@@ -585,7 +585,8 @@ lbitset_set (dst, bitno)
lbitset_elt_find (dst, windex, LBITSET_CREATE); lbitset_elt_find (dst, windex, LBITSET_CREATE);
dst->b.cdata[windex - dst->b.cindex] |= (1 << (bitno % BITSET_WORD_BITS)); dst->b.cdata[windex - dst->b.cindex] |=
(bitset_word) 1 << (bitno % BITSET_WORD_BITS);
} }
@@ -600,7 +601,8 @@ lbitset_reset (dst, bitno)
if (!lbitset_elt_find (dst, windex, LBITSET_FIND)) if (!lbitset_elt_find (dst, windex, LBITSET_FIND))
return; return;
dst->b.cdata[windex - dst->b.cindex] &= ~(1 << (bitno % BITSET_WORD_BITS)); dst->b.cdata[windex - dst->b.cindex] &=
~((bitset_word) 1 << (bitno % BITSET_WORD_BITS));
/* If all the data is zero, perhaps we should unlink it now... */ /* If all the data is zero, perhaps we should unlink it now... */
} }
@@ -951,7 +953,7 @@ lbitset_op1 (dst, op)
{ {
/* Create new elements if they cannot be found. */ /* Create new elements if they cannot be found. */
elt = lbitset_elt_find (dst, i, LBITSET_CREATE); elt = lbitset_elt_find (dst, i, LBITSET_CREATE);
memset (elt->words, ~0, sizeof (elt->words)); memset (elt->words, -1, sizeof (elt->words));
} }
break; break;