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Re: missing methods in inttypes.h

From: Eric Blake <eblake at redhat dot com>
To: Joel Sherrill <joel dot sherrill at oarcorp dot com>
Cc: newlib at sourceware dot org
Date: Thu, 01 Aug 2013 13:44:06 -0600
Subject: Re: missing methods in inttypes.h
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References: <51F678CC dot 2070901 at oarcorp dot com> <20130730091311 dot GM4166 at calimero dot vinschen dot de> <51F7C6FC dot 7070101 at oarcorp dot com> <20130730155734 dot GR4166 at calimero dot vinschen dot de> <51FAA2F0 dot 4010606 at oarcorp dot com>

On 08/01/2013 12:03 PM, Joel Sherrill wrote:

> Would a simple #define like this be acceptable?
> 
> #define imaxabs( _j ) (intmax_t) llabs( _j )

No, because POSIX requires these to exist as linkable functions (it
allows macros on top of functions, but the functions must exist).

That, and you didn't parenthesize your proposed macro correctly; it
would need to be ((intmax_t)llabs(_j)).

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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Follow-Ups:
- Re: missing methods in inttypes.h
  - From: Corinna Vinschen

References:
- missing methods in inttypes.h
  - From: Joel Sherrill
- Re: missing methods in inttypes.h
  - From: Corinna Vinschen
- Re: missing methods in inttypes.h
  - From: Joel Sherrill
- Re: missing methods in inttypes.h
  - From: Corinna Vinschen
- Re: missing methods in inttypes.h
  - From: Joel Sherrill

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