X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;ds=sidebyside;f=functions%2Fstdio%2Frewind.c;h=f50bf025b475fa9cbcb6d614c965653e19607ad9;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hp=fdcb4301456d442d60dfb26d1d16835472f06689;hpb=0a5395faab237ba9008352b0f4bee9659bbd3d5f;p=pdclib

diff --git a/functions/stdio/rewind.c b/functions/stdio/rewind.c
index fdcb430..f50bf02 100644
--- a/functions/stdio/rewind.c
+++ b/functions/stdio/rewind.c
@@ -1,15 +1,36 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* rewind( FILE * )
 
-void rewind( FILE * stream ) { /* TODO */ };
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
 
-/* PDPC code - unreviewed
+#ifndef REGTEST
+#include "_PDCLIB_io.h"
+
+void _PDCLIB_rewind_unlocked( FILE * stream )
 {
-    fseek(stream, 0L, SEEK_SET);
-    return;
+    stream->status &= ~ _PDCLIB_ERRORFLAG;
+    _PDCLIB_fseek_unlocked( stream, 0L, SEEK_SET );
 }
-*/
+
+void rewind( FILE * stream )
+{
+    _PDCLIB_flockfile(stream);
+    _PDCLIB_rewind_unlocked(stream);
+    _PDCLIB_funlockfile(stream);
+}
+
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    /* Testing covered by ftell.c */
+    return TEST_RESULTS;
+}
+
+#endif