#include "internal.h"
#include <limits.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <math.h>
#include <errno.h>
#include "ruby_atomic.h"
#include "siphash.c"

Data Structures
struct	MT

struct	rb_random_t

struct	seed_keys_t

Macros
#define	N 624

#define	M 397

#define	MATRIX_A 0x9908b0dfU /* constant vector a */

#define	UMASK 0x80000000U /* most significant w-r bits */

#define	LMASK 0x7fffffffU /* least significant r bits */

#define	MIXBITS(u, v) ( ((u) & UMASK) \| ((v) & LMASK) )

#define	TWIST(u, v) ((MIXBITS((u),(v)) >> 1) ^ ((v)&1U ? MATRIX_A : 0U))

#define	genrand_initialized(mt) ((mt)->next != 0)

#define	uninit_genrand(mt) ((mt)->next = 0)

#define	DEFAULT_SEED_CNT 4

#define	SIZEOF_INT32 (31/CHAR_BIT + 1)

#define	id_minus '-'

#define	id_plus '+'

#define	DEFAULT_SEED_LEN (DEFAULT_SEED_CNT * (int)sizeof(int32_t))

#define	USE_DEV_URANDOM 0

#define	fill_random_bytes_urandom(seed, size) -1

#define	fill_random_bytes_syscall(seed, size, need_secure) -1

#define	SIP_HASH_STREAMING 0

#define	sip_hash13 ruby_sip_hash13

#define	BYTE_ORDER LITTLE_ENDIAN

#define	LITTLE_ENDIAN 1234

#define	BIG_ENDIAN 4321

Typedefs
typedef int	int_must_be_32bit_at_least[sizeof(int) *CHAR_BIT< 32 ? -1 :1]

Enumerations
enum	{ MT_MAX_STATE = N }

Functions
unsigned int	rb_genrand_int32 (void)

double	rb_genrand_real (void)

unsigned long	rb_genrand_ulong_limited (unsigned long limit)

unsigned int	rb_random_int32 (VALUE obj)

double	rb_random_real (VALUE obj)

unsigned long	rb_random_ulong_limited (VALUE obj, unsigned long limit)

VALUE	rb_random_bytes (VALUE obj, long n)

	NORETURN (static void domain_error(void))

	NORETURN (static void invalid_argument(VALUE))

st_index_t	rb_hash_start (st_index_t h)

st_index_t	rb_memhash (const void *ptr, long len)

void	Init_RandomSeedCore (void)

void	rb_reset_random_seed (void)

void	InitVM_Random (void)

void	Init_Random (void)

Variables
VALUE	rb_cRandom

Macro Definition Documentation

◆ BIG_ENDIAN

#define BIG_ENDIAN 4321

Definition at line 1481 of file random.c.

◆ BYTE_ORDER

#define BYTE_ORDER LITTLE_ENDIAN

Definition at line 1475 of file random.c.

Referenced by SHA256_Transform(), and SHA512_Transform().

◆ DEFAULT_SEED_CNT

#define DEFAULT_SEED_CNT 4

Definition at line 240 of file random.c.

Referenced by Init_RandomSeedCore().

◆ DEFAULT_SEED_LEN

#define DEFAULT_SEED_LEN (DEFAULT_SEED_CNT * (int)sizeof(int32_t))

Definition at line 423 of file random.c.

◆ fill_random_bytes_syscall

#define fill_random_bytes_syscall	(	seed,
		size,
		need_secure
	)	-1

Definition at line 535 of file random.c.

◆ fill_random_bytes_urandom

#define fill_random_bytes_urandom	(	seed,
		size
	)	-1

Definition at line 461 of file random.c.

◆ genrand_initialized

#define genrand_initialized ( mt ) ((mt)->next != 0)

Definition at line 112 of file random.c.

◆ id_minus

#define id_minus '-'

Definition at line 302 of file random.c.

◆ id_plus

#define id_plus '+'

Definition at line 303 of file random.c.

◆ LITTLE_ENDIAN

#define LITTLE_ENDIAN 1234

Definition at line 1478 of file random.c.

Referenced by SHA256_Transform(), and SHA512_Transform().

◆ LMASK

#define LMASK 0x7fffffffU /* least significant r bits */

Definition at line 99 of file random.c.

◆ M

#define M 397

Definition at line 96 of file random.c.

◆ MATRIX_A

#define MATRIX_A 0x9908b0dfU /* constant vector a */

Definition at line 97 of file random.c.

◆ MIXBITS

#define MIXBITS	(	u,
		v
	)	( ((u) & UMASK) \| ((v) & LMASK) )

Definition at line 100 of file random.c.

◆ N

#define N 624

Definition at line 95 of file random.c.

◆ sip_hash13

#define sip_hash13 ruby_sip_hash13

Definition at line 1470 of file random.c.

Referenced by rb_memhash().

◆ SIP_HASH_STREAMING

#define SIP_HASH_STREAMING 0

Definition at line 1469 of file random.c.

◆ SIZEOF_INT32

#define SIZEOF_INT32 (31/CHAR_BIT + 1)

Definition at line 277 of file random.c.

◆ TWIST

#define TWIST	(	u,
		v
	)	((MIXBITS((u),(v)) >> 1) ^ ((v)&1U ? MATRIX_A : 0U))

Definition at line 101 of file random.c.

◆ UMASK

#define UMASK 0x80000000U /* most significant w-r bits */

Definition at line 98 of file random.c.

◆ uninit_genrand

#define uninit_genrand ( mt ) ((mt)->next = 0)

Definition at line 113 of file random.c.

◆ USE_DEV_URANDOM

#define USE_DEV_URANDOM 0

Definition at line 428 of file random.c.

Typedef Documentation

◆ int_must_be_32bit_at_least

typedef int int_must_be_32bit_at_least[sizeof(int) *CHAR_BIT< 32 ? -1 :1]

Definition at line 92 of file random.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
MT_MAX_STATE

Definition at line 103 of file random.c.

Function Documentation

◆ Init_Random()

void Init_Random ( void )

Definition at line 1643 of file random.c.

References InitVM, and rb_intern.

◆ Init_RandomSeedCore()

void Init_RandomSeedCore ( void )

Definition at line 1525 of file random.c.

References DEFAULT_SEED_CNT.

◆ InitVM_Random()

void InitVM_Random ( void )

Definition at line 1602 of file random.c.

References rb_define_global_function().

◆ NORETURN() [1/2]

NORETURN ( static void domain_errorvoid )

◆ NORETURN() [2/2]

NORETURN ( static void invalid_argumentVALUE )

◆ rb_genrand_int32()

unsigned int rb_genrand_int32 ( void )

Definition at line 264 of file random.c.

◆ rb_genrand_real()

double rb_genrand_real ( void )

Definition at line 271 of file random.c.

◆ rb_genrand_ulong_limited()

unsigned long rb_genrand_ulong_limited ( unsigned long limit )

Definition at line 903 of file random.c.

◆ rb_hash_start()

st_index_t rb_hash_start ( st_index_t h )

Definition at line 1506 of file random.c.

References st_hash_start().

Referenced by rb_dbl_long_hash().

◆ rb_memhash()

st_index_t rb_memhash	(	const void *	ptr,
		long	len
	)

Definition at line 1512 of file random.c.

References sip_hash13, and sip_uint64_t::u32.

Referenced by rb_dbl_long_hash(), and rb_str_hash().

◆ rb_random_bytes()

VALUE rb_random_bytes	(	VALUE	obj,
		long	n
	)

Definition at line 1117 of file random.c.

◆ rb_random_int32()

unsigned int rb_random_int32 ( VALUE obj )

Definition at line 931 of file random.c.

◆ rb_random_real()

double rb_random_real ( VALUE obj )

Definition at line 966 of file random.c.

◆ rb_random_ulong_limited()

unsigned long rb_random_ulong_limited	(	VALUE	obj,
		unsigned long	limit
	)

Definition at line 1026 of file random.c.

◆ rb_reset_random_seed()

void rb_reset_random_seed ( void )

Definition at line 1570 of file random.c.

Variable Documentation

◆ key

seed_keys_t key

Definition at line 1492 of file random.c.

◆ rb_cRandom

VALUE rb_cRandom

Definition at line 301 of file random.c.

◆ u32

uint32_t u32[type_roomof(seed_keys_t, uint32_t)]

Definition at line 1493 of file random.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables