diff -r 000000000000 -r e4d67989cc36 genericopenlibs/cstdlib/LSTDIO/REWIND.C --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/genericopenlibs/cstdlib/LSTDIO/REWIND.C Tue Feb 02 02:01:42 2010 +0200 @@ -0,0 +1,71 @@ +/* REWIND.C + * + * Portions Copyright (c) 1990-1999 Nokia Corporation and/or its subsidiary(-ies). + * All rights reserved. + */ + +/* + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* +FUNCTION +<>---reinitialize a file or stream + +INDEX + rewind + +ANSI_SYNOPSIS + #include + void rewind(FILE *<[fp]>); + +TRAD_SYNOPSIS + #include + void rewind(<[fp]>) + FILE *<[fp]>; + +DESCRIPTION +<> returns the file position indicator (if any) for the file +or stream identified by <[fp]> to the beginning of the file. It also +clears any error indicator and flushes any pending output. + +RETURNS +<> does not return a result. + +PORTABILITY +ANSI C requires <>. + +No supporting OS subroutines are required. +*/ + +#include +/** +Repositions the file pointer to the beginning of a stream. +Sets the file pointer associated with the stream +to the beginning of the file. +@param Pointer to an open file. +*/ +EXPORT_C void +rewind (FILE * fp) +{ + (void) fflush (fp); + clearerr (fp); + if (fp->_seek == NULL) + return; /* ??? */ + fp->_r = 0; + fp->_p = fp->_bf._base; + (void) (*fp->_seek) (fp->_cookie, (fpos_t) 0, SEEK_SET); +}