FM / python3.9

/opt/alt/python39/include/python3.9

Name	Size	Mode	Actions
cpython/	-	0755	rm
internal/	-	0755	rm
abstract.h	30476	0644	edit dl rm
asdl.h	1224	0644	edit dl rm
ast.h	947	0644	edit dl rm
bitset.h	468	0644	edit dl rm
bltinmodule.h	264	0644	edit dl rm
boolobject.h	885	0644	edit dl rm
bytearrayobject.h	1484	0644	edit dl rm
bytesobject.h	3048	0644	edit dl rm
cellobject.h	712	0644	edit dl rm
ceval.h	5954	0644	edit dl rm
classobject.h	1657	0644	edit dl rm
code.h	318	0644	edit dl rm
codecs.h	6793	0644	edit dl rm
compile.h	3778	0644	edit dl rm
complexobject.h	1806	0644	edit dl rm
context.h	1962	0644	edit dl rm
datetime.h	9255	0644	edit dl rm
descrobject.h	3019	0644	edit dl rm
dictobject.h	3715	0644	edit dl rm
dynamic_annotations.h	22469	0644	edit dl rm
enumobject.h	253	0644	edit dl rm
errcode.h	1624	0644	edit dl rm
eval.h	1209	0644	edit dl rm
exports.h	1098	0644	edit dl rm
fileobject.h	1571	0644	edit dl rm
fileutils.h	597	0644	edit dl rm
floatobject.h	4360	0644	edit dl rm
frameobject.h	337	0644	edit dl rm
funcobject.h	4057	0644	edit dl rm
genericaliasobject.h	334	0644	edit dl rm
genobject.h	3525	0644	edit dl rm
graminit.h	2118	0644	edit dl rm
grammar.h	1821	0644	edit dl rm
import.h	3026	0644	edit dl rm
interpreteridobject.h	334	0644	edit dl rm
intrcheck.h	861	0644	edit dl rm
iterobject.h	521	0644	edit dl rm
listobject.h	1781	0644	edit dl rm
longintrepr.h	3799	0644	edit dl rm
longobject.h	9513	0644	edit dl rm
marshal.h	803	0644	edit dl rm
memoryobject.h	2764	0644	edit dl rm
methodobject.h	3775	0644	edit dl rm
modsupport.h	9959	0644	edit dl rm
moduleobject.h	2361	0644	edit dl rm
namespaceobject.h	349	0644	edit dl rm
node.h	1281	0644	edit dl rm
object.h	24628	0644	edit dl rm
objimpl.h	8423	0644	edit dl rm
odictobject.h	1299	0644	edit dl rm
opcode.h	4900	0644	edit dl rm
osdefs.h	737	0644	edit dl rm
osmodule.h	291	0644	edit dl rm
parsetok.h	2958	0644	edit dl rm
patchlevel.h	1299	0644	edit dl rm
picklebufobject.h	846	0644	edit dl rm
pyarena.h	2744	0644	edit dl rm
pycapsule.h	1725	0644	edit dl rm
pyconfig-64.h	48074	0644	edit dl rm
pyconfig.h	162	0644	edit dl rm
pyctype.h	1387	0644	edit dl rm
pydebug.h	1093	0644	edit dl rm
pydtrace.h	2413	0644	edit dl rm
pyerrors.h	12427	0644	edit dl rm
pyexpat.h	2572	0644	edit dl rm
pyfpe.h	444	0644	edit dl rm
pyframe.h	466	0644	edit dl rm
pyhash.h	4263	0644	edit dl rm
pylifecycle.h	2136	0644	edit dl rm
pymacconfig.h	2989	0644	edit dl rm
pymacro.h	4920	0644	edit dl rm
pymath.h	8580	0644	edit dl rm
pymem.h	4406	0644	edit dl rm
pyport.h	31273	0644	edit dl rm
pystate.h	5250	0644	edit dl rm
pystrcmp.h	436	0644	edit dl rm
pystrhex.h	849	0644	edit dl rm
pystrtod.h	1483	0644	edit dl rm
Python-ast.h	26193	0644	edit dl rm
Python.h	3532	0644	edit dl rm
pythonrun.h	7673	0644	edit dl rm
pythread.h	5938	0644	edit dl rm
pytime.h	8928	0644	edit dl rm
py_curses.h	2474	0644	edit dl rm
rangeobject.h	628	0644	edit dl rm
setobject.h	3324	0644	edit dl rm
sliceobject.h	2516	0644	edit dl rm
structmember.h	2030	0644	edit dl rm
structseq.h	1390	0644	edit dl rm
symtable.h	5307	0644	edit dl rm
sysmodule.h	1242	0644	edit dl rm
token.h	2642	0644	edit dl rm
traceback.h	584	0644	edit dl rm
tracemalloc.h	1114	0644	edit dl rm
tupleobject.h	1614	0644	edit dl rm
typeslots.h	2350	0644	edit dl rm
ucnhash.h	1056	0644	edit dl rm
unicodeobject.h	35426	0644	edit dl rm
warnings.h	1776	0644	edit dl rm
weakrefobject.h	2863	0644	edit dl rm

Edit: /opt/alt/python39/include/python3.9/pyhash.h (4263B)

#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(const void*);
// Similar to _Py_HashPointer(), but don't replace -1 with -2
PyAPI_FUNC(Py_hash_t) _Py_HashPointerRaw(const 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 platforms 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 */

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