diff -r 000000000000 -r e4d67989cc36 genericopenlibs/cstdlib/LSTDIO/FSETPOS.C --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/genericopenlibs/cstdlib/LSTDIO/FSETPOS.C Tue Feb 02 02:01:42 2010 +0200 @@ -0,0 +1,67 @@ +/* +* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: +* FUNCTION +* <>---restore position of a stream or file +* INDEX +* fsetpos +* ANSI_SYNOPSIS +* #include +* int fsetpos(FILE *<[fp]>, const fpos_t *<[pos]>); +* TRAD_SYNOPSIS +* #include +* int fsetpos(<[fp]>, <[pos]>) +* FILE *<[fp]>; +* fpos_t *<[pos]>; +* Objects of type <> can have a ``position'' that records how much +* of the file your program has already read. Many of the <> functions +* depend on this position, and many change it as a side effect. +* You can use <> to return the file identified by <[fp]> to a previous +* position <<*<[pos]>>> (after first recording it with <>). +* See <> for a similar facility. +* RETURNS +* <> returns <<0>> when successful. If <> fails, the +* result is <<1>>. The reason for failure is indicated in <>: +* either <> (the stream identified by <[fp]> doesn't support +* repositioning) or <> (invalid file position). +* PORTABILITY +* ANSI C requires <>, but does not specify the nature of +* <<*<[pos]>>> beyond identifying it as written by <>. +* Supporting OS subroutines required: <>, <>, <>, +* <>, <>, <>, <>. +* +* +*/ + + + +#include + +/** +Reposition file pointer to a saved location. +@return If successful the function returns 0. +Otherwise it returns nonzero and sets the global variable errno to a non-zero value. +@param iop Pointer to an open file. +@param pos Position value obtained from a previous call to fgetpos that indicates +the position of the file pointer at that moment. +*/ +EXPORT_C int +fsetpos (FILE * iop, const fpos_t * pos) +{ + int x = fseek (iop, *pos, SEEK_SET); + + if (x != 0) + return 1; + return 0; +}