/*****************************************************************************

Copyright (c) 1995, 2022, Oracle and/or its affiliates.
Copyright (c) 2008, Google Inc.

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*****************************************************************************/

/** @file buf/buf.cc
 The database buffer buf_pool

 Created 11/5/1995 Heikki Tuuri
 *******************************************************/

#include "page0size.h"
#include "univ.i"

/** Checks if a page contains only zeroes.
@param[in]      read_buf        database page
@param[in]      page_size       page size
@return true if page is filled with zeroes */
bool buf_page_is_zeroes(const byte *read_buf, const page_size_t &page_size) {
  for (ulint i = 0; i < page_size.logical(); i++) {
    if (read_buf[i] != 0) {
      return (false);
    }
  }
  return (true);
}
