wsutil/ws_roundup.h

   1 /** @file
   2  *
   3  * Wireshark - Network traffic analyzer
   4  * By Gerald Combs <gerald@wireshark.org>
   5  * Copyright 1998 Gerald Combs
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #ifndef __WS_ROUNDUP_H__
  11 #define __WS_ROUNDUP_H__
  12
  13 /*
  14  * Round up to various powers of 2.
  15  */
  16 #define WS_ROUNDUP_2(n) (((n) + ((unsigned)(2U-1U))) & (~((unsigned)(2U-1U))))
  17 #define WS_ROUNDUP_4(n) (((n) + ((unsigned)(4U-1U))) & (~((unsigned)(4U-1U))))
  18 #define WS_ROUNDUP_8(n) (((n) + ((unsigned)(8U-1U))) & (~((unsigned)(8U-1U))))
  19 #define WS_ROUNDUP_16(n) (((n) + ((unsigned)(16U-1U))) & (~((unsigned)(16U-1U))))
  20 #define WS_ROUNDUP_32(n) (((n) + ((unsigned)(32U-1U))) & (~((unsigned)(32U-1U))))
  21
  22 #endif /* __WS_ROUNDUP_H__ */