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* lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be

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interpreted as signed.
* lib/ebitset.c (ebitset_list): Fix bug.
From Michael Hayes.
This commit is contained in:
Paul Eggert
2002-10-05 05:02:30 +00:00
parent 9abb46d527
commit 5beedd9b58
2 changed files with 5 additions and 2 deletions
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5
lib/bbitset.h
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@@ -63,7 +63,10 @@ typedef size_t bitset_windex;
/* Maximum values for commonly-used unsigned types. BITSET_SIZE_MAX /* Maximum values for commonly-used unsigned types. BITSET_SIZE_MAX
always equals SIZE_MAX, but some older systems lack SIZE_MAX. */ always equals SIZE_MAX, but some older systems lack SIZE_MAX. */
#define BITSET_BINDEX_MAX ((bitset_bindex) -1) #define BITSET_BINDEX_MAX ((bitset_bindex) -1)
#define BITSET_WINDEX_MAX ((bitset_windex) -1)
/* Limit max word index to the maximum value of a signed integer
to simplify cache disabling. */
#define BITSET_WINDEX_MAX (((bitset_windex) -1) >> 1)
#define BITSET_SIZE_MAX ((size_t) -1) #define BITSET_SIZE_MAX ((size_t) -1)
#define BITSET_MSB ((bitset_word) 1 << (BITSET_WORD_BITS - 1)) #define BITSET_MSB ((bitset_word) 1 << (BITSET_WORD_BITS - 1))

2
lib/ebitset.c
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@@ -771,7 +771,7 @@ ebitset_list (bset, list, num, next)
bitset_word *srcp = EBITSET_WORDS (elt); bitset_word *srcp = EBITSET_WORDS (elt);
windex = bitno / BITSET_WORD_BITS; windex = bitno / BITSET_WORD_BITS;
woffset = eindex / EBITSET_ELT_WORDS; woffset = eindex * EBITSET_ELT_WORDS;
for (; (windex - woffset) < EBITSET_ELT_WORDS; windex++) for (; (windex - woffset) < EBITSET_ELT_WORDS; windex++)
{ {