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#include <sys/random.h>
#include <bits/ensure.h>
#include <mlibc/debug.hpp>
#include <mlibc/posix-sysdeps.hpp>
#include <errno.h>
ssize_t getrandom(void *buffer, size_t max_size, unsigned int flags) {
if(flags & ~(GRND_RANDOM | GRND_NONBLOCK)) {
errno = EINVAL;
return -1;
}
MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getentropy, -1);
if(int e = mlibc::sys_getentropy(buffer, max_size); e) {
errno = e;
return -1;
}
return max_size;
}
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