[PATCH 64bit] Export <io.h> symbols with underscore

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Fri Feb 22 06:51:00 GMT 2013

On Fri, Feb 22, 2013 at 12:18:48AM -0600, Yaakov wrote:
>On Thu, 21 Feb 2013 14:42:36 -0500, Christopher Faylor wrote:
>> I wasn't fulling grokking the fact that Cygwin explicitly defined the
>> get_osfhandle without an underscore in io.h.  Sigh.  That's probably my
>> fault too.
>> But we definitely shouldn't be going back to adding "_" decorations.  I
>> have deleted a few of these and no one has complained.  I know that
>> isn't a scientific sampling but it's hard to believe that someone has
>> written code which actually goes out of its way to prepend an underscore
>> in front of a standard UNIX function name, especially since we do not,
>> AFAIK, define these functions in any header file.
>> So, I guess I don't understand why we need to add an underscore now
>> when we have gotten by with the incorrect declaration for get_osfhandle
>> all of these years.
>Because even if it caused a warning in C, the link still succeeded with
>the underscored symbol.

Ok.  I think we should also change io.h to only define _get_osfhandle on
both 64-bit and the trunk version of cygwin.  Ditto for _setmode.  And,
IMO, the access() declaration should be removed from io.h entirely.


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