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/* ISC license. */
#include <skalibs/sysdeps.h>
#ifdef SKALIBS_HASARC4RANDOM
#include <skalibs/nonposix.h>
#include <stdlib.h>
#include <skalibs/random.h>
int random_init ()
{
#ifdef SKALIBS_HASARC4RANDOM_ADDRANDOM
char seed[160] ;
random_makeseed(seed) ;
arc4random_addrandom((unsigned char *)seed, 160) ;
#endif
return 1 ;
}
#else
#ifdef SKALIBS_HASGETRANDOM
#include <skalibs/djbunix.h>
#include <skalibs/random.h>
int random_init ()
{
#ifdef SKALIBS_HASDEVURANDOM
char seed[160] ;
random_makeseed(seed) ;
openwritenclose_unsafe("/dev/urandom", seed, 160) ;
#endif
return 1 ;
}
#else
#include <skalibs/surf.h>
#include <skalibs/random.h>
#include "random-internal.h"
SURFSchedule surf_here = SURFSCHEDULE_ZERO ;
#ifdef SKALIBS_HASDEVURANDOM
#include <errno.h>
#include <skalibs/djbunix.h>
int random_fd = -1 ;
int random_init ()
{
int fd ;
char seed[160] ;
random_makeseed(seed) ;
surf_init(&surf_here, seed) ;
openwritenclose_unsafe("/dev/urandom", seed, 160) ;
if (random_fd < 0)
{
fd = open_readb("/dev/urandom") ;
if (fd < 0) return 0 ;
if (coe(fd) < 0)
{
int e = errno ;
fd_close(fd) ;
errno = e ;
return 0 ;
}
random_fd = fd ;
}
return 1 ;
}
#else /* default */
int random_init ()
{
char seed[160] ;
random_makeseed(seed) ;
surf_init(&surf_here, seed) ;
return 1 ;
}
#endif
#endif
#endif
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