random.h File Reference

A PRNG library. More...

#include <stdint.h>
#include <stdlib.h>

Go to the source code of this file.

Macros
#define	random_int()
	Get a random int.
#define	random_uint()
	Get a random unsigned int.
#define	random_int32()
	Get a random int32_t.

Functions
void	random_init (void)
	Initialize the random number generator.
int64_t	random_int64 (void)
	Get a random int64_t.
double	random_double (void)
	Get a random double from (0, 1).
void	random_array (void *m, size_t l)
	Insert random data into an array.
void	random_hex (char *s, size_t l)
	Insert a random string in hexadecimal.

Detailed Description

A PRNG library.

Macro Definition Documentation

random_int

#define random_int

(

)

Value:

((int) random_int64())

Get a random int.

Returns

a random int.

random_uint

#define random_uint

(

)

Value:

((unsigned) random_int64())

Get a random unsigned int.

Returns

a random unsigned int.

random_int32

#define random_int32

(

)

Value:

((int32_t) random_int64())

Get a random int32_t.

Returns

a random int32_t.

Function Documentation

random_init()

void random_init

(

void

)

Initialize the random number generator.

Uses system PRNG devices to seed the library PRNG.

random_int64()

int64_t random_int64

(

void

)

Get a random int64_t.

Returns

a random int64_t.

random_double()

double random_double

(

void

)

Get a random double from (0, 1).

Returns

a random double from (0, 1)

random_array()

void random_array	(	void *	m,
		size_t	l )

Insert random data into an array.

Parameters

m	the memory to fill.
l	the length of the m.

random_hex()

void random_hex	(	char *	s,
		size_t	l )

Insert a random string in hexadecimal.

Parameters

s	the location in the string.
l	the number of characters to insert. Includes NUL byte!