libwget-random(3)

NAME
libwget-random - Random functions

SYNOPSIS

  Functions

INITIALIZER (random_init)
void wget_random_init (void)
void wget_random_exit (void)
int wget_random (void)
void wget_srandom (unsigned int seed)

Detailed Description

This is wrapper code around gnulib's srandom_r() and random_r() with automatic seeding

Function Documentation

  void wget_random_init (void)
Random API initialization, allocating/preparing the internal resources.

On systems with automatic library constructors, this function doesn't have to be called explicitly.

This function is not thread-safe.

  void wget_random_exit (void)
Random API deinitialization, free'ing all internal resources.

On systems with automatic library destructors, this function doesn't have to be called explicitly.

This function is not thread-safe.

  int wget_random (void)

Returns
    Random value between 0 and RAND_MAX

This functions wraps around gnulib's random_r(). It performs a thread-safe seeding on the first use, if not done before by wget_srandom();

  void wget_srandom (unsigned int seed)

Parameters
    seed Value to seed the random generator

This functions wraps around srandom_r() to make a thread-safe seeding for wget_random().

Author

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