From:	eplmst AT lu DOT erisoft DOT se (Martin Stromberg)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: zero file descriptors
Date:	12 Oct 2000 15:57:20 GMT
Organization:	Ericsson Erisoft AB, Sweden
Lines:	18
Message-ID:	<8s4n10$d55$1@antares.lu.erisoft.se>
References:	<OF9C7EBCE2 DOT E6C2E8E5-ON85256976 DOT 005533DA AT COM>
NNTP-Posting-Host:	lws256.lu.erisoft.se
X-Newsreader:	TIN [version 1.2 PL2]
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Jeffrey_Krupp AT May-Co DOT com wrote:
: I am having a problem with fopen where it opens a file (returns a valid
: file pointer), but then its file handle is zero. When this happens, I can't
: fseek,fread,or fwrite. The same is true for a socket() call.

No wonder as this is what fopen() returns when the call fails (NULL)!

: As a work-around after the original fopen, I have been re-opening the same
: file, getting an actual valid handle/pointer, then closing the original
: pointer(the one with the zero handle).

If those two fopen() calls are identical it'd be very strange. Show us
some (complete compilable) code please.


Right,

						MartinS

- Raw text -