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Sanitize bloom filter macros

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This commit is contained in:
Antoine Pitrou 2010-01-13 14:01:26 +00:00
parent a913a20c91
commit 10042922d9
2 changed files with 36 additions and 14 deletions
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16
Objects/unicodeobject.c
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@ -190,12 +190,22 @@ PyUnicode_GetMax(void)
/* the linebreak mask is set up by Unicode_Init below */
#if LONG_BIT >= 128
#define BLOOM_WIDTH 128
#elif LONG_BIT >= 64
#define BLOOM_WIDTH 64
#elif LONG_BIT >= 32
#define BLOOM_WIDTH 32
#else
#error "LONG_BIT is smaller than 32"
#endif
#define BLOOM_MASK unsigned long
static BLOOM_MASK bloom_linebreak;
#define BLOOM_ADD(mask, ch) ((mask |= (1 << ((ch) & (LONG_BIT - 1)))))
#define BLOOM(mask, ch) ((mask & (1 << ((ch) & (LONG_BIT - 1)))))
#define BLOOM_ADD(mask, ch) ((mask |= (1UL << ((ch) & (BLOOM_WIDTH - 1)))))
#define BLOOM(mask, ch) ((mask & (1UL << ((ch) & (BLOOM_WIDTH - 1)))))
#define BLOOM_LINEBREAK(ch) \
((ch) < 128U ? ascii_linebreak[(ch)] : \
@ -205,7 +215,7 @@ Py_LOCAL_INLINE(BLOOM_MASK) make_bloom_mask(Py_UNICODE* ptr, Py_ssize_t len)
{
/* calculate simple bloom-style bitmask for a given unicode string */
long mask;
BLOOM_MASK mask;
Py_ssize_t i;
mask = 0;