(b76ad15ed0da636161de0243c547ee1e6fc95681)

#include "ruby/internal/config.h"
#include <errno.h>
#include <limits.h>
#include <math.h>
#include <float.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "internal.h"
#include "internal/array.h"
#include "internal/compilers.h"
#include "internal/numeric.h"
#include "internal/random.h"
#include "internal/sanitizers.h"
#include "internal/variable.h"
#include "ruby_atomic.h"
#include "ruby/random.h"
#include "ruby/ractor.h"
#include "missing/mt19937.c"
#include "siphash.c"

Include dependency graph for random.c:

Go to the source code of this file.

Data Structures
struct	rb_random_mt_t

struct	hash_salt_t

Macros
#define	DEFAULT_SEED_CNT 4

#define	SIZEOF_INT32 (31/CHAR_BIT + 1)

#define	id_minus '-'

#define	id_plus '+'

#define	random_mark rb_random_mark

#define	random_free RUBY_TYPED_DEFAULT_FREE

#define	random_mt_mark rb_random_mark

#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	fill_random_bytes ruby_fill_random_bytes

#define	with_random_seed(size, add)

#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]

Functions
	RB_RANDOM_INTERFACE_DECLARE (rand_mt)

unsigned int	rb_genrand_int32 (void)

double	rb_genrand_real (void)

void	random_mark (void *ptr)

void	rb_random_base_init (rb_random_t *rnd)

int	ruby_fill_random_bytes (void *seed, size_t size, int need_secure)

unsigned long	rb_genrand_ulong_limited (unsigned long limit)

unsigned int	rb_random_int32 (VALUE obj)

double	rb_int_pair_to_real (uint32_t a, uint32_t b, int excl)

double	rb_random_real (VALUE obj)

unsigned long	rb_random_ulong_limited (VALUE obj, unsigned long limit)

void	rb_rand_bytes_int32 (rb_random_get_int32_func get_int32, rb_random_t rnd, void *p, size_t n)

VALUE	rb_random_bytes (VALUE obj, long n)

	NO_SANITIZE ("unsigned-integer-overflow", extern st_index_t rb_hash_start(st_index_t h))

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

const rb_data_type_t	rb_random_data_type

Macro Definition Documentation

◆ BIG_ENDIAN

#define BIG_ENDIAN 4321

Definition at line 1634 of file random.c.

◆ BYTE_ORDER

#define BYTE_ORDER LITTLE_ENDIAN

Definition at line 1628 of file random.c.

◆ DEFAULT_SEED_CNT

#define DEFAULT_SEED_CNT 4

Definition at line 129 of file random.c.

◆ 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

#define fill_random_bytes ruby_fill_random_bytes

Definition at line 619 of file random.c.

◆ fill_random_bytes_syscall

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

Definition at line 608 of file random.c.

◆ fill_random_bytes_urandom

#define fill_random_bytes_urandom	(	seed,
		size
	)	-1

Definition at line 484 of file random.c.

◆ id_minus

#define id_minus '-'

Definition at line 229 of file random.c.

◆ id_plus

#define id_plus '+'

Definition at line 230 of file random.c.

◆ LITTLE_ENDIAN

#define LITTLE_ENDIAN 1234

Definition at line 1631 of file random.c.

◆ random_free

#define random_free RUBY_TYPED_DEFAULT_FREE

Definition at line 243 of file random.c.

◆ random_mark

#define random_mark rb_random_mark

Definition at line 235 of file random.c.

◆ random_mt_mark

#define random_mt_mark rb_random_mark

Definition at line 261 of file random.c.

◆ sip_hash13

#define sip_hash13 ruby_sip_hash13

Definition at line 1623 of file random.c.

◆ SIP_HASH_STREAMING

#define SIP_HASH_STREAMING 0

Definition at line 1622 of file random.c.

◆ SIZEOF_INT32

#define SIZEOF_INT32 (31/CHAR_BIT + 1)

Definition at line 204 of file random.c.

◆ USE_DEV_URANDOM

#define USE_DEV_URANDOM 0

Definition at line 428 of file random.c.

◆ with_random_seed

#define with_random_seed	(	size,
		add
	)

Value:

for (uint32_t seedbuf[(size)+(add)], loop = (fill_random_seed(seedbuf, (size)), 1); \

loop; explicit_bzero(seedbuf, (size)*sizeof(seedbuf[0])), loop = 0)

Definition at line 671 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 75 of file random.c.

Function Documentation

◆ Init_Random()

void Init_Random ( void )

Definition at line 1791 of file random.c.

◆ Init_RandomSeedCore()

void Init_RandomSeedCore ( void )

Definition at line 1679 of file random.c.

References fill_random_bytes.

◆ InitVM_Random()

void InitVM_Random ( void )

Definition at line 1734 of file random.c.

◆ NO_SANITIZE()

NO_SANITIZE	(	"unsigned-integer-overflow"	,
		extern st_index_t	rb_hash_startst_index_t h
	)

◆ random_mark()

void random_mark ( void * ptr )

Definition at line 238 of file random.c.

References ptr, and rb_gc_mark().

◆ rb_genrand_int32()

unsigned int rb_genrand_int32 ( void )

Definition at line 191 of file random.c.

◆ rb_genrand_real()

double rb_genrand_real ( void )

Definition at line 198 of file random.c.

◆ rb_genrand_ulong_limited()

unsigned long rb_genrand_ulong_limited ( unsigned long limit )

Definition at line 1012 of file random.c.

◆ rb_hash_start()

st_index_t rb_hash_start ( st_index_t h )

Definition at line 1660 of file random.c.

References st_hash_start.

◆ rb_int_pair_to_real()

double rb_int_pair_to_real	(	uint32_t	a,
		uint32_t	b,
		int	excl
	)

Definition at line 1073 of file random.c.

◆ rb_memhash()

st_index_t rb_memhash	(	const void *	ptr,
		long	len
	)

Definition at line 1666 of file random.c.

References sip_hash13.

Referenced by rb_complex_hash(), rb_dbl_long_hash(), rb_rational_hash(), and rb_str_hash().

◆ rb_rand_bytes_int32()

void rb_rand_bytes_int32	(	rb_random_get_int32_func *	get_int32,
		rb_random_t *	rnd,
		void *	p,
		size_t	n
	)

Definition at line 1219 of file random.c.

References CHAR_BIT, ptr, and SIZEOF_INT32.

◆ rb_random_base_init()

void rb_random_base_init ( rb_random_t * rnd )

Definition at line 335 of file random.c.

References INT2FIX, and rb_random_struct::seed.

◆ rb_random_bytes()

VALUE rb_random_bytes	(	VALUE	obj,
		long	n
	)

Definition at line 1242 of file random.c.

◆ rb_random_int32()

unsigned int rb_random_int32 ( VALUE obj )

Definition at line 1041 of file random.c.

◆ RB_RANDOM_INTERFACE_DECLARE()

RB_RANDOM_INTERFACE_DECLARE ( rand_mt )

◆ rb_random_real()

double rb_random_real ( VALUE obj )

Definition at line 1084 of file random.c.

◆ rb_random_ulong_limited()

unsigned long rb_random_ulong_limited	(	VALUE	obj,
		unsigned long	limit
	)

Definition at line 1144 of file random.c.

◆ rb_reset_random_seed()

void rb_reset_random_seed ( void )

Definition at line 1701 of file random.c.

◆ ruby_fill_random_bytes()

int ruby_fill_random_bytes	(	void *	seed,
		size_t	size,
		int	need_secure
	)

Definition at line 612 of file random.c.

References fill_random_bytes_syscall, fill_random_bytes_urandom, ret, and size.

Variable Documentation

◆ key

hash_salt_t key

Definition at line 1645 of file random.c.

◆ rb_cRandom

VALUE rb_cRandom

Definition at line 228 of file random.c.

◆ rb_random_data_type

const rb_data_type_t rb_random_data_type

Initial value:

= {
    "random",
    {
        random_mark,
        random_free,
        random_memsize,
    },
    0, 0, RUBY_TYPED_FREE_IMMEDIATELY
}

Definition at line 251 of file random.c.

◆ u32

uint32_t u32[type_roomof(hash_salt_t, uint32_t)]

Definition at line 1646 of file random.c.