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Re: 64-bit masks

To: Sad Clouds <cryintothebluesky%googlemail.com@localhost>
Subject: Re: 64-bit masks
From: Masao Uebayashi <uebayasi%tombi.co.jp@localhost>
Date: Sat, 28 Nov 2009 00:15:57 +0900

> 1. What is the correct (portable?) way of specifying 64-bit constants?
>
> If I need a 64-bit constant set to all 1s, will the following work on all 
> systems
>
> unit64_t num = 0xffffffffffffffffULL;

        unit64_t num = UINT64_C(~0);

Masao

-- 
Masao Uebayashi / Tombi Inc. / Tel: +81-90-9141-4635

References:
- 64-bit masks
  - From: Sad Clouds

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