X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Frewind.c;h=e7f2aac379304669829c129a444f72a8af4fa5ff;hb=e1c526e9bad3f6e69391e94059096145390508d3;hp=b893086856c98cc49c434d6fd68d60246035fe66;hpb=1d9d92ba957a0b8307c9a65c35867fde68e6533b;p=pdclib

diff --git a/functions/stdio/rewind.c b/functions/stdio/rewind.c
index b893086..e7f2aac 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