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()   ((int) random_int64())
	Get a random int. More...
#define	random_uint()   ((unsigned) random_int64())
	Get a random unsigned int. More...
#define	random_int32()   ((int32_t) random_int64())
	Get a random int32_t. More...

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

Detailed Description

A PRNG library.

Macro Definition Documentation

#define random_int

(

)

((int) random_int64())

Get a random int.

Returns

a random int.

#define random_uint

(

)

((unsigned) random_int64())

Get a random unsigned int.

Returns

a random unsigned int.

#define random_int32

(

)

((int32_t) random_int64())

Get a random int32_t.

Returns

a random int32_t.

Function Documentation

void random_init

(

void

)

Initialize the random number generator.

Uses system PRNG devices to seed the library PRNG.

int64_t random_int64

(

void

)

Get a random int64_t.

Returns

a random int64_t.

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.

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!