CAn you recomend some tutorial or book for gui programing with ansi c
MUST WORK in DEVCPP

I did post a couple of minutes ago, to the thread "Program hangs with no output"
The reply was intended to the thread "Behavior of fwrite(), fseek(), fflush() if the file gets deleted after being opened."
I resend my answer to the correct thread

If you could delete the incorrect one, I would like a little bit less stupid.
I may have added wrongly "[comp.lang.c.moderated]" to my post subject too.

Regards
Val.

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Okay, I've been staring at this for hours now, and I've no idea what's
going wrong. I'm pretty sure I'm doing everything right --- everything
here is pretty straightforward C89, and the algorithms are dead simple,
but it simply hangs solid using all the CPU about half-way through. It's
not just slow --- I've let it run for a while and nothing whatsoever
happens. Any suggestions?

(I should probably get my CPU fan looked at, too. It got awfully hot
during that long run. I'm sure I can smell something burning...)

#include
#include

/* WARNING: Do not run this program in a virtualised or emulated
* environment! It's probably wise to turn your virtual memory off, too.
* Real hardware only! Debuggers are RIGHT OUT. YOU HAVE BEEN WARNED. */

/* Structures used to define our layout. Note the careful use of
* volatile; we don't want the compiler optimising away part of the
* invocation. */

Hi
I am using Red Hat linux 9 and gcc 3.4.
I am writing an application in C with file handling. The application
opens a file(creates it at run time) using fopen() in binary write
mode. The file is open until the application exits.

The application starts and opens(creates) a file, and waits for an
input to be written to the file.
I delete the file using rm -f as soon as the application
starts before I give it an input to the application(just to clarify, I
delete it from a different terminal, without stopping the application
to wait for an input).
Now I give the input and debug through the application, I find that
the fseek(), fwrite(), fflush() calls in the application for writing
to the file do not throw error even though the file is not existant.
I cannot understand, where is that data written. If it is wriiten to
the buffer, then fflush() should have reported error. But it also
succeeds.
Please, help me in clarifying the point where I am incorrect.

Archive-name: C-faq/toc
Comp-lang-c-archive-name: C-FAQ-list.toc
URL: http://www.eskimo.com/~scs/C-faq/top.html

[Last modified July 3, 2004 by scs.]

This article is a table of contents for the comp.lang.c frequently-asked
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