random.h File Reference

A PRNG library. More...

#include <stdint.h>

Go to the source code of this file.

Defines

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


Define 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!

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