Re: Fdopen
Re: Fdopen
- Subject: Re: Fdopen
- From: Jeff Ray <email@hidden>
- Date: Mon, 21 Jul 2008 14:24:24 -0700
- Thread-topic: Fdopen
On 7/21/08 1:09 PM, "George Warner" <email@hidden> wrote:
> On Fri, 18 Jul 2008 13:19:23 -0700, Jeff Ray <email@hidden> wrote:
>
>> I'm porting an old CFM (Codewarrior) program to MachO (Xcode), and I've hit
>> a hard stop.
>>
>> The program makes a call to fdopen(). The call fails (return NULL), and the
>> man page for fdopen says I can get the error from errno. However, errno is
>> 0.
>>
>> Is there something strange about fdopen() or errno under Xcode (or OSX)?
>
> It's probably more like there's something strange" about old CFM (MWCW)
> programs using (not-so-standard)stdio. Can you show us a snibblet of the
> code you're using?
Ah, I found it last night. The short version (in case it's useful to anyone
else):
Original author was using a modified copy of zlib, which was so old it
predated OSX. The ifdef's were such that if (mac && ! MW), fdopen() was
defined as NULL. Thus FILE *stream = fdopen() returned NULL, and I only
stumbled over the cause by chance.
Anyway, thanks to all who replied!
-jrr
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| References: | |
| | >re: Fdopen (From: George Warner <email@hidden>) |