FreeTDS Development Group

["Castellano, Nicholas" <Nicholas_Castellano AT acml.com>]

I had a few minutes to rewrite our asprintf.c tonight.  If you update from
current CVS it should all Just Work.  (If you can't do CVS, then wait until
the next tarball generation and try that).  If you have any problems, let me
know.

You almost certainly won't have any problem.  The implementation in our tree
was mistakenly being used even if the system already provided an
implementation.  When I updated our implementation, I noticed this and fixed
the autoconf stuff so it will do the right thing.  (asprintf.c now includes
config.h so that it will see the HAVE_VASPRINTF macro...)

Cheers,
--nick

-----Original Message-----
From: bounce-freetds-145195 AT franklin.oit.unc.edu
[mailto:bounce-freetds-145195 AT franklin.oit.unc.edu]
Sent: Monday, September 16, 2002 7:14 PM
To: TDS Development Group
Subject: [freetds] RE: Mac OS X 10.1.5 Make Problem?


I knew I needed to test 0.63, but didn't get the time with 9/11 last week...

At 4:29 PM -0400 9/16/2002, Lowden, James K wrote:
>Yes.  OS X perhaps has another variation on the theme for SC_PAGESIZE?
>What do you get for the following:
>
>$ grep -r SC_PAGESIZE /usr/include

Nothing.

>More interesting, what says "man asprintf" and "man vasprintf"?  Are they
>not implemented by Darwin?  The FreeTDS asprintf.c module should not come
>into play unless the OS does not provide these functions.

They are both implemented. Here's the relevant portions from the man page:

      Asprintf() and vasprintf() set *ret to be a pointer to a buffer suffi-
      ciently large to hold the formatted string.  This pointer should be
      passed to free(3) to release the allocated storage when it is no
longer
      needed.  If sufficient space cannot be allocated, asprintf() and
      vasprintf() will return -1 and set ret to be a NULL pointer.

...
HISTORY
      The functions asprintf() and vasprintf() first appeared in the GNU C
      library.  These were implemented by Peter Wemm <peter AT FreeBSD.org> in
      FreeBSD 2.2, but were later replaced with a different implementation
from
      Todd C. Miller <Todd.Miller AT courtesan.com> for OpenBSD 2.3.

Nothing in BUGS about it.

>I would be happy to fix FreeTDS to accomodate OS X, if we can find the
>equivalent of SC_PAGESIZE or correctly assess the presence of vasprintf(3).

There is /usr/bin/pagesize and the function getpagesize() in unistd.h 
which return the number of bytes in a page.

-- 
__________________________________________________________________________
                                   "They that can give up essential liberty
Mark J. Lilback                    to obtain a little temporary safety
<mark AT lilback.com>                 deserve neither liberty or safety."
http://www.lilback.com/                               -- Benjamin Franklin

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