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/* ISC license. */
#include <stddef.h>
#include <errno.h>
#include <skalibs/allreadwrite.h>
#include <skalibs/strerr2.h>
#include <skalibs/djbunix.h>
#include <skalibs/random.h>
void random_devurandom (char *s, size_t n)
{
static int random_fd = -1 ;
size_t r ;
int e = errno ;
if (random_fd < 0)
{
random_fd = openbc_read("/dev/urandom") ;
if (random_fd < 0)
strerr_diefu2sys(111, "open ", "/dev/urandom") ;
}
errno = EPIPE ;
r = allread(random_fd, s, n) ;
if (r < n) strerr_diefu2sys(111, "read from ", "/dev/urandom") ;
errno = e ;
}
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