Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-09 20:33:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

(lbitset_set, lbitset_reset): Do not assume that

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/lbitset.c
View File

@@ -585,7 +585,8 @@ lbitset_set (dst, bitno)
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))
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... */
}
@@ -951,7 +953,7 @@ lbitset_op1 (dst, op)
{
/* Create new elements if they cannot be found. */
elt = lbitset_elt_find (dst, i, LBITSET_CREATE);
memset (elt->words, ~0, sizeof (elt->words));
memset (elt->words, -1, sizeof (elt->words));
}
break;