X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Frewind.c;h=0a19155b5820428acd62c40996d8aa8b8ceaf35c;hb=f3d811f877df14a15abccb5d6f11b2800a727db0;hp=b893086856c98cc49c434d6fd68d60246035fe66;hpb=c8f799d852e3698468a78954d82588e841cc0b70;p=pdclib.old diff --git a/functions/stdio/rewind.c b/functions/stdio/rewind.c index b893086..0a19155 100644 --- a/functions/stdio/rewind.c +++ b/functions/stdio/rewind.c @@ -1,15 +1,37 @@ -/* ---------------------------------------------------------------------------- - * $Id$ - * ---------------------------------------------------------------------------- - * Public Domain C Library - http://pdclib.sourceforge.net - * This code is Public Domain. Use, modify, and redistribute at will. - * --------------------------------------------------------------------------*/ +/* $Id$ */ -void rewind( FILE * stream ) { /* TODO */ }; +/* rewind( FILE * ) -/* PDPC code - unreviewed + This file is part of the Public Domain C Library (PDCLib). + Permission is granted to use, modify, and / or redistribute at will. +*/ + +#include + +#ifndef REGTEST + +void rewind_unlocked( struct _PDCLIB_file_t * stream ) { - fseek(stream, 0L, SEEK_SET); - return; + stream->status &= ~ _PDCLIB_ERRORFLAG; + fseek_unlocked( stream, 0L, SEEK_SET ); } -*/ + +void rewind( struct _PDCLIB_file_t * stream ) +{ + flockfile(stream); + rewind_unlocked(stream); + funlockfile(stream); +} + +#endif + +#ifdef TEST +#include <_PDCLIB_test.h> + +int main( void ) +{ + /* Testing covered by ftell.c */ + return TEST_RESULTS; +} + +#endif