From: "jimmaureenrogers@worldnet.att.net" <jimmaureenrogers@worldnet.att.net>
Subject: Re: Status_Error in close() of file
Date: 7 Dec 2005 05:50:09 -0800
Date: 2005-12-07T05:50:09-08:00 [thread overview]
Message-ID: <1133963409.624983.214090@g14g2000cwa.googlegroups.com> (raw)
In-Reply-To: 1133962026.359542.133690@g14g2000cwa.googlegroups.com
rashmi wrote:
> Dear reader
>
> When using the function FUNC_OpClFile() below I have been getting a
> Status_Error after all my data was read from the file "OJV.dat" . Using
> the debugger I located this error at the place where "OJV.dat" was
> asked to be closed by the close() function. As I suspected that the
> problem was because the close() function could not locate the
> End-of-File marker, I even wrote another function FUNC_CanCloFi to seek
> and return the End-of-File marker where found, so that close() could
> work. But the same Status_Error message still persists. So I am trying
> to figure out where and why the problem is exactly happening.
>
> Rashmi.
>
> *******************************************************************************
> function FUNC_OpClFile(EN_Cald : in EN_FnCd) return EN_Acpt is
> type RE_FilRcd is
> record
> PV_FilIMo : File_Mode := In_File ;
> PV_FilIty : File_Type;
> end record;
> TF_CanClo : Boolean;
> RE_RcdFil : RE_FilRcd;
> EN_OCFRtn : EN_Acpt := EN_IsOk;
> ST_IFiNam : String := ".\OJV.dat";
> begin
> case EN_Cald is
> when EN_NtCd =>
> open
> (RE_RcdFil.PV_FilIty,RE_RcdFil.PV_FilIMo,ST_IFiNam);
> set_input(RE_RcdFil.PV_FilIty);
> when EN_IsCd =>
> TF_CanClo := FUNC_CanCloFi;
> if TF_CanClo then
> close(RE_RcdFil.PV_FilIty);
> end if;
> when others =>
> Null;
> end case;
> return EN_OCFRtn;
> end FUNC_OpClFile;
>
How is RE_RcdFil.PV_Fillty set when FUNC_OpClFile is called with a
value of EN_IsCd?
You apparently believe that it retains its value from the open call.
That cannot be true.
Your close procedure will work properly when you pass in a file_type
variable with a valid value.
Jim Rogers
prev parent reply other threads:[~2005-12-07 13:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-07 13:27 Status_Error in close() of file rashmi
2005-12-07 13:50 ` jimmaureenrogers [this message]
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