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replace Python aliases for standard integer types with the standard integer types (#17884)

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Benjamin Peterson 2016-09-06 13:24:00 -07:00
parent 88bd3edb3e
commit 9b3d77052f
8 changed files with 72 additions and 87 deletions
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53
Python/pyhash.c
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@ -318,40 +318,37 @@ static PyHash_FuncDef PyHash_Func = {fnv, "fnv", 8 * SIZEOF_PY_HASH_T,
Modified for Python by Christian Heimes:
- C89 / MSVC compatibility
- PY_UINT64_T, PY_UINT32_T and PY_UINT8_T
- _rotl64() on Windows
- letoh64() fallback
*/
typedef unsigned char PY_UINT8_T;
/* byte swap little endian to host endian
* Endian conversion not only ensures that the hash function returns the same
* value on all platforms. It is also required to for a good dispersion of
* the hash values' least significant bits.
*/
#if PY_LITTLE_ENDIAN
# define _le64toh(x) ((PY_UINT64_T)(x))
# define _le64toh(x) ((uint64_t)(x))
#elif defined(__APPLE__)
# define _le64toh(x) OSSwapLittleToHostInt64(x)
#elif defined(HAVE_LETOH64)
# define _le64toh(x) le64toh(x)
#else
# define _le64toh(x) (((PY_UINT64_T)(x) << 56) | \
(((PY_UINT64_T)(x) << 40) & 0xff000000000000ULL) | \
(((PY_UINT64_T)(x) << 24) & 0xff0000000000ULL) | \
(((PY_UINT64_T)(x) << 8) & 0xff00000000ULL) | \
(((PY_UINT64_T)(x) >> 8) & 0xff000000ULL) | \
(((PY_UINT64_T)(x) >> 24) & 0xff0000ULL) | \
(((PY_UINT64_T)(x) >> 40) & 0xff00ULL) | \
((PY_UINT64_T)(x) >> 56))
# define _le64toh(x) (((uint64_t)(x) << 56) | \
(((uint64_t)(x) << 40) & 0xff000000000000ULL) | \
(((uint64_t)(x) << 24) & 0xff0000000000ULL) | \
(((uint64_t)(x) << 8) & 0xff00000000ULL) | \
(((uint64_t)(x) >> 8) & 0xff000000ULL) | \
(((uint64_t)(x) >> 24) & 0xff0000ULL) | \
(((uint64_t)(x) >> 40) & 0xff00ULL) | \
((uint64_t)(x) >> 56))
#endif
#ifdef _MSC_VER
# define ROTATE(x, b) _rotl64(x, b)
#else
# define ROTATE(x, b) (PY_UINT64_T)( ((x) << (b)) | ( (x) >> (64 - (b))) )
# define ROTATE(x, b) (uint64_t)( ((x) << (b)) | ( (x) >> (64 - (b))) )
#endif
#define HALF_ROUND(a,b,c,d,s,t) \
@ -369,22 +366,22 @@ typedef unsigned char PY_UINT8_T;
static Py_hash_t
siphash24(const void *src, Py_ssize_t src_sz) {
PY_UINT64_T k0 = _le64toh(_Py_HashSecret.siphash.k0);
PY_UINT64_T k1 = _le64toh(_Py_HashSecret.siphash.k1);
PY_UINT64_T b = (PY_UINT64_T)src_sz << 56;
const PY_UINT64_T *in = (PY_UINT64_T*)src;
uint64_t k0 = _le64toh(_Py_HashSecret.siphash.k0);
uint64_t k1 = _le64toh(_Py_HashSecret.siphash.k1);
uint64_t b = (uint64_t)src_sz << 56;
const uint64_t *in = (uint64_t*)src;
PY_UINT64_T v0 = k0 ^ 0x736f6d6570736575ULL;
PY_UINT64_T v1 = k1 ^ 0x646f72616e646f6dULL;
PY_UINT64_T v2 = k0 ^ 0x6c7967656e657261ULL;
PY_UINT64_T v3 = k1 ^ 0x7465646279746573ULL;
uint64_t v0 = k0 ^ 0x736f6d6570736575ULL;
uint64_t v1 = k1 ^ 0x646f72616e646f6dULL;
uint64_t v2 = k0 ^ 0x6c7967656e657261ULL;
uint64_t v3 = k1 ^ 0x7465646279746573ULL;
PY_UINT64_T t;
PY_UINT8_T *pt;
PY_UINT8_T *m;
uint64_t t;
uint8_t *pt;
uint8_t *m;
while (src_sz >= 8) {
PY_UINT64_T mi = _le64toh(*in);
uint64_t mi = _le64toh(*in);
in += 1;
src_sz -= 8;
v3 ^= mi;
@ -393,13 +390,13 @@ siphash24(const void *src, Py_ssize_t src_sz) {
}
t = 0;
pt = (PY_UINT8_T *)&t;
m = (PY_UINT8_T *)in;
pt = (uint8_t *)&t;
m = (uint8_t *)in;
switch (src_sz) {
case 7: pt[6] = m[6];
case 6: pt[5] = m[5];
case 5: pt[4] = m[4];
case 4: Py_MEMCPY(pt, m, sizeof(PY_UINT32_T)); break;
case 4: Py_MEMCPY(pt, m, sizeof(uint32_t)); break;
case 3: pt[2] = m[2];
case 2: pt[1] = m[1];
case 1: pt[0] = m[0];