diff options
Diffstat (limited to '')
| -rw-r--r-- | wsutil/ws_roundup.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/wsutil/ws_roundup.h b/wsutil/ws_roundup.h new file mode 100644 index 0000000..f7177a8 --- /dev/null +++ b/wsutil/ws_roundup.h @@ -0,0 +1,22 @@ +/** @file + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef __WS_ROUNDUP_H__ +#define __WS_ROUNDUP_H__ + +/* + * Round up to various powers of 2. + */ +#define WS_ROUNDUP_2(n) (((n) + ((unsigned)(2U-1U))) & (~((unsigned)(2U-1U)))) +#define WS_ROUNDUP_4(n) (((n) + ((unsigned)(4U-1U))) & (~((unsigned)(4U-1U)))) +#define WS_ROUNDUP_8(n) (((n) + ((unsigned)(8U-1U))) & (~((unsigned)(8U-1U)))) +#define WS_ROUNDUP_16(n) (((n) + ((unsigned)(16U-1U))) & (~((unsigned)(16U-1U)))) +#define WS_ROUNDUP_32(n) (((n) + ((unsigned)(32U-1U))) & (~((unsigned)(32U-1U)))) + +#endif /* __WS_ROUNDUP_H__ */ |