X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Frewind.c;h=e7f2aac379304669829c129a444f72a8af4fa5ff;hb=258eaed23a998f3b9a9ffebdfec0a43a893bbed8;hp=d97e4e21ac289db2e2ae8e3a60555350dedf29f7;hpb=566bfcc6924abd9fccbd97fa8207711e899dd0bc;p=pdclib

diff --git a/functions/stdio/rewind.c b/functions/stdio/rewind.c
index d97e4e2..e7f2aac 100644
--- a/functions/stdio/rewind.c
+++ b/functions/stdio/rewind.c
@@ -1,6 +1,4 @@
-/* $Id$ */
-
-/* frewind( FILE * )
+/* rewind( FILE * )
 
    This file is part of the Public Domain C Library (PDCLib).
    Permission is granted to use, modify, and / or redistribute at will.
@@ -9,15 +7,19 @@
 #include <stdio.h>
 
 #ifndef REGTEST
+#include <_PDCLIB_io.h>
+
+void _PDCLIB_rewind_unlocked( FILE * stream )
+{
+    stream->status &= ~ _PDCLIB_ERRORFLAG;
+    _PDCLIB_fseek_unlocked( stream, 0L, SEEK_SET );
+}
 
-void rewind( struct _PDCLIB_file_t * stream )
+void rewind( FILE * stream )
 {
-    if ( stream->status & _PDCLIB_WROTELAST )
-    {
-        fflush( stream );
-    }
-    /* TODO: Implement. */
-    return;
+    _PDCLIB_flockfile(stream);
+    _PDCLIB_rewind_unlocked(stream);
+    _PDCLIB_funlockfile(stream);
 }
 
 #endif
@@ -27,7 +29,7 @@ void rewind( struct _PDCLIB_file_t * stream )
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    /* Testing covered by ftell.c */
     return TEST_RESULTS;
 }