/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:4;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright The Mbed TLS Contributors                                          â
â                                                                              â
â Licensed under the Apache License, Version 2.0 (the "License");              â
â you may not use this file except in compliance with the License.             â
â You may obtain a copy of the License at                                      â
â                                                                              â
â     http://www.apache.org/licenses/LICENSE-2.0                               â
â                                                                              â
â Unless required by applicable law or agreed to in writing, software          â
â distributed under the License is distributed on an "AS IS" BASIS,            â
â WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     â
â See the License for the specific language governing permissions and          â
â limitations under the License.                                               â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/nexgen32e/rdtsc.h"
#include "libc/str/str.h"
#include "third_party/mbedtls/entropy_poll.h"

int mbedtls_hardclock_poll(void *data, unsigned char *output, size_t len,
                           size_t *olen) {
  unsigned long timer;
  timer = rdtsc();
  *olen = 0;
  if (len < sizeof(unsigned long)) return 0;
  memcpy(output, &timer, sizeof(unsigned long));
  *olen = sizeof(unsigned long);
  return 0;
}
