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Name	Size	Permission	Date
Python-ast.h	21.75 KB	-rw-r--r--	2021-09-04 06:04
Python.h	3.15 KB	-rw-r--r--	2021-09-04 03:49
abstract.h	46.34 KB	-rw-r--r--	2021-09-04 03:49
accu.h	1016 B	-rw-r--r--	2021-09-04 03:49
asdl.h	1.18 KB	-rw-r--r--	2021-09-04 03:49
ast.h	477 B	-rw-r--r--	2021-09-04 03:49
bitset.h	792 B	-rw-r--r--	2021-09-04 03:49
bltinmodule.h	264 B	-rw-r--r--	2021-09-04 03:49
boolobject.h	886 B	-rw-r--r--	2021-09-04 03:49
bytearrayobject.h	2.06 KB	-rw-r--r--	2021-09-04 03:49
bytes_methods.h	3.12 KB	-rw-r--r--	2021-09-04 03:49
bytesobject.h	8.17 KB	-rw-r--r--	2021-09-04 03:49
cellobject.h	701 B	-rw-r--r--	2021-09-04 03:49
ceval.h	8.32 KB	-rw-r--r--	2021-09-04 03:49
classobject.h	1.63 KB	-rw-r--r--	2021-09-04 03:49
code.h	5.81 KB	-rw-r--r--	2021-09-04 03:49
codecs.h	6.63 KB	-rw-r--r--	2021-09-04 03:49
compile.h	2.11 KB	-rw-r--r--	2021-09-04 03:49
complexobject.h	1.76 KB	-rw-r--r--	2021-09-04 03:49
datetime.h	9.19 KB	-rw-r--r--	2021-09-04 03:49
descrobject.h	2.89 KB	-rw-r--r--	2021-09-04 03:49
dictobject.h	7.01 KB	-rw-r--r--	2021-09-04 03:49
dtoa.h	458 B	-rw-r--r--	2021-09-04 03:49
dynamic_annotations.h	21.94 KB	-rw-r--r--	2021-09-04 03:49
enumobject.h	253 B	-rw-r--r--	2021-09-04 03:49
errcode.h	1.46 KB	-rw-r--r--	2021-09-04 03:49
eval.h	597 B	-rw-r--r--	2021-09-04 03:49
fileobject.h	1.61 KB	-rw-r--r--	2021-09-04 03:49
fileutils.h	3.44 KB	-rw-r--r--	2021-09-04 03:49
floatobject.h	4.68 KB	-rw-r--r--	2021-09-04 03:49
frameobject.h	3.45 KB	-rw-r--r--	2021-09-04 03:49
funcobject.h	3.98 KB	-rw-r--r--	2021-09-04 03:49
genobject.h	3.5 KB	-rw-r--r--	2021-09-04 03:49
graminit.h	1.92 KB	-rw-r--r--	2021-09-04 03:49
grammar.h	2.03 KB	-rw-r--r--	2021-09-04 03:49
import.h	4.13 KB	-rw-r--r--	2021-09-04 03:49
intrcheck.h	513 B	-rw-r--r--	2021-09-04 03:49
iterobject.h	567 B	-rw-r--r--	2021-09-04 03:49
listobject.h	2.83 KB	-rw-r--r--	2021-09-04 03:49
longintrepr.h	3.67 KB	-rw-r--r--	2021-09-04 03:49
longobject.h	8.27 KB	-rw-r--r--	2021-09-04 03:49
marshal.h	803 B	-rw-r--r--	2021-09-04 03:49
memoryobject.h	2.7 KB	-rw-r--r--	2021-09-04 03:49
metagrammar.h	253 B	-rw-r--r--	2021-09-04 03:49
methodobject.h	3.76 KB	-rw-r--r--	2021-09-04 03:49
modsupport.h	7.15 KB	-rw-r--r--	2021-09-04 03:49
moduleobject.h	2.23 KB	-rw-r--r--	2021-09-04 03:49
namespaceobject.h	349 B	-rw-r--r--	2021-09-04 03:49
node.h	1007 B	-rw-r--r--	2021-09-04 03:49
object.h	39.43 KB	-rw-r--r--	2021-09-04 03:49
objimpl.h	13.91 KB	-rw-r--r--	2021-09-04 03:49
odictobject.h	1.26 KB	-rw-r--r--	2021-09-04 03:49
opcode.h	4.95 KB	-rw-r--r--	2021-09-04 03:49
osdefs.h	691 B	-rw-r--r--	2021-09-04 03:49
osmodule.h	291 B	-rw-r--r--	2021-09-04 03:49
parsetok.h	2.82 KB	-rw-r--r--	2021-09-04 03:49
patchlevel.h	1.1 KB	-rw-r--r--	2021-09-04 03:49
pgen.h	253 B	-rw-r--r--	2021-09-04 03:49
pgenheaders.h	1.15 KB	-rw-r--r--	2021-09-04 03:49
py_curses.h	4.21 KB	-rw-r--r--	2021-09-04 03:49
pyarena.h	2.68 KB	-rw-r--r--	2021-09-04 03:49
pyatomic.h	7.94 KB	-rw-r--r--	2021-09-04 03:49
pycapsule.h	1.69 KB	-rw-r--r--	2021-09-04 03:49
pyconfig-64.h	43 KB	-rw-r--r--	2024-04-17 17:17
pyconfig.h	162 B	-rw-r--r--	2024-04-17 17:19
pyctype.h	1.29 KB	-rw-r--r--	2021-09-04 03:49
pydebug.h	1.18 KB	-rw-r--r--	2021-09-04 03:49
pydtrace.h	1.92 KB	-rw-r--r--	2021-09-04 03:49
pyerrors.h	16.82 KB	-rw-r--r--	2021-09-04 03:49
pyexpat.h	2.39 KB	-rw-r--r--	2021-09-04 03:49
pyfpe.h	8.27 KB	-rw-r--r--	2021-09-04 03:49
pygetopt.h	410 B	-rw-r--r--	2021-09-04 03:49
pyhash.h	4.04 KB	-rw-r--r--	2021-09-04 03:49
pylifecycle.h	3.98 KB	-rw-r--r--	2021-09-04 03:49
pymacconfig.h	2.92 KB	-rw-r--r--	2021-09-04 03:49
pymacro.h	3.42 KB	-rw-r--r--	2021-09-04 03:49
pymath.h	8.12 KB	-rw-r--r--	2021-09-04 03:49
pymem.h	8.36 KB	-rw-r--r--	2021-09-04 03:49
pyport.h	26.93 KB	-rw-r--r--	2021-09-04 03:49
pystate.h	10.88 KB	-rw-r--r--	2021-09-04 03:49
pystrcmp.h	436 B	-rw-r--r--	2021-09-04 03:49
pystrhex.h	495 B	-rw-r--r--	2021-09-04 03:49
pystrtod.h	1.45 KB	-rw-r--r--	2021-09-04 03:49
pythonrun.h	6.62 KB	-rw-r--r--	2021-09-04 03:49
pythread.h	2.92 KB	-rw-r--r--	2021-09-04 03:49
pytime.h	7.43 KB	-rw-r--r--	2021-09-04 03:49
rangeobject.h	629 B	-rw-r--r--	2021-09-04 03:49
setobject.h	3.25 KB	-rw-r--r--	2021-09-04 03:49
sliceobject.h	2.43 KB	-rw-r--r--	2021-09-04 03:49
structmember.h	1.97 KB	-rw-r--r--	2021-09-04 03:49
structseq.h	1.32 KB	-rw-r--r--	2021-09-04 03:49
symtable.h	4.88 KB	-rw-r--r--	2021-09-04 03:49
sysmodule.h	1.32 KB	-rw-r--r--	2021-09-04 03:49
token.h	1.9 KB	-rw-r--r--	2021-09-04 03:49
traceback.h	3.56 KB	-rw-r--r--	2021-09-04 03:49
tupleobject.h	2.39 KB	-rw-r--r--	2021-09-04 03:49
typeslots.h	2.2 KB	-rw-r--r--	2021-09-04 03:49
ucnhash.h	1.03 KB	-rw-r--r--	2021-09-04 03:49
unicodeobject.h	79.86 KB	-rw-r--r--	2021-09-04 03:49
warnings.h	1.65 KB	-rw-r--r--	2021-09-04 03:49
weakrefobject.h	2.8 KB	-rw-r--r--	2021-09-04 03:49

Rename

#ifndef Py_HASH_H

#define Py_HASH_H
#ifdef __cplusplus
extern "C" {
#endif

/* Helpers for hash functions */
#ifndef Py_LIMITED_API
PyAPI_FUNC(Py_hash_t) _Py_HashDouble(double);
PyAPI_FUNC(Py_hash_t) _Py_HashPointer(void*);
PyAPI_FUNC(Py_hash_t) _Py_HashBytes(const void*, Py_ssize_t);
#endif

/* Prime multiplier used in string and various other hashes. */
#define _PyHASH_MULTIPLIER 1000003UL  /* 0xf4243 */

/* Parameters used for the numeric hash implementation.  See notes for
   _Py_HashDouble in Python/pyhash.c.  Numeric hashes are based on
   reduction modulo the prime 2**_PyHASH_BITS - 1. */

#if SIZEOF_VOID_P >= 8
#  define _PyHASH_BITS 61
#else
#  define _PyHASH_BITS 31
#endif

#define _PyHASH_MODULUS (((size_t)1 << _PyHASH_BITS) - 1)
#define _PyHASH_INF 314159
#define _PyHASH_NAN 0
#define _PyHASH_IMAG _PyHASH_MULTIPLIER

/* hash secret
 *
 * memory layout on 64 bit systems
 *   cccccccc cccccccc cccccccc  uc -- unsigned char[24]
 *   pppppppp ssssssss ........  fnv -- two Py_hash_t
 *   k0k0k0k0 k1k1k1k1 ........  siphash -- two uint64_t
 *   ........ ........ ssssssss  djbx33a -- 16 bytes padding + one Py_hash_t
 *   ........ ........ eeeeeeee  pyexpat XML hash salt
 *
 * memory layout on 32 bit systems
 *   cccccccc cccccccc cccccccc  uc
 *   ppppssss ........ ........  fnv -- two Py_hash_t
 *   k0k0k0k0 k1k1k1k1 ........  siphash -- two uint64_t (*)
 *   ........ ........ ssss....  djbx33a -- 16 bytes padding + one Py_hash_t
 *   ........ ........ eeee....  pyexpat XML hash salt
 *
 * (*) The siphash member may not be available on 32 bit platforms without
 *     an unsigned int64 data type.
 */
#ifndef Py_LIMITED_API
typedef union {
    /* ensure 24 bytes */
    unsigned char uc[24];
    /* two Py_hash_t for FNV */
    struct {
        Py_hash_t prefix;
        Py_hash_t suffix;
    } fnv;
    /* two uint64 for SipHash24 */
    struct {
        uint64_t k0;
        uint64_t k1;
    } siphash;
    /* a different (!) Py_hash_t for small string optimization */
    struct {
        unsigned char padding[16];
        Py_hash_t suffix;
    } djbx33a;
    struct {
        unsigned char padding[16];
        Py_hash_t hashsalt;
    } expat;
} _Py_HashSecret_t;
PyAPI_DATA(_Py_HashSecret_t) _Py_HashSecret;
#endif

#ifdef Py_DEBUG
PyAPI_DATA(int) _Py_HashSecret_Initialized;
#endif

/* hash function definition */
#ifndef Py_LIMITED_API
typedef struct {
    Py_hash_t (*const hash)(const void *, Py_ssize_t);
    const char *name;
    const int hash_bits;
    const int seed_bits;
} PyHash_FuncDef;

PyAPI_FUNC(PyHash_FuncDef*) PyHash_GetFuncDef(void);
#endif

/* cutoff for small string DJBX33A optimization in range [1, cutoff).
 *
 * About 50% of the strings in a typical Python application are smaller than
 * 6 to 7 chars. However DJBX33A is vulnerable to hash collision attacks.
 * NEVER use DJBX33A for long strings!
 *
 * A Py_HASH_CUTOFF of 0 disables small string optimization. 32 bit platforms
 * should use a smaller cutoff because it is easier to create colliding
 * strings. A cutoff of 7 on 64bit platforms and 5 on 32bit platforms should
 * provide a decent safety margin.
 */
#ifndef Py_HASH_CUTOFF
#  define Py_HASH_CUTOFF 0
#elif (Py_HASH_CUTOFF > 7 || Py_HASH_CUTOFF < 0)
#  error Py_HASH_CUTOFF must in range 0...7.
#endif /* Py_HASH_CUTOFF */

/* hash algorithm selection
 *
 * The values for Py_HASH_SIPHASH24 and Py_HASH_FNV are hard-coded in the
 * configure script.
 *
 * - FNV is available on all platforms and architectures.
 * - SIPHASH24 only works on plaforms that don't require aligned memory for integers.
 * - With EXTERNAL embedders can provide an alternative implementation with::
 *
 *     PyHash_FuncDef PyHash_Func = {...};
 *
 * XXX: Figure out __declspec() for extern PyHash_FuncDef.
 */
#define Py_HASH_EXTERNAL 0
#define Py_HASH_SIPHASH24 1
#define Py_HASH_FNV 2

#ifndef Py_HASH_ALGORITHM
#  ifndef HAVE_ALIGNED_REQUIRED
#    define Py_HASH_ALGORITHM Py_HASH_SIPHASH24
#  else
#    define Py_HASH_ALGORITHM Py_HASH_FNV
#  endif /* uint64_t && uint32_t && aligned */
#endif /* Py_HASH_ALGORITHM */

#ifdef __cplusplus
}
#endif

#endif /* !Py_HASH_H */