X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Frewind.c;h=f50bf025b475fa9cbcb6d614c965653e19607ad9;hb=abc15df6b9fae3374d24c7cf5c3ab94c605b2a6d;hp=d97e4e21ac289db2e2ae8e3a60555350dedf29f7;hpb=566bfcc6924abd9fccbd97fa8207711e899dd0bc;p=pdclib

diff --git a/functions/stdio/rewind.c b/functions/stdio/rewind.c
index d97e4e2..f50bf02 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.
@@ -9,25 +7,29 @@
 #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
 
 #ifdef TEST
-#include <_PDCLIB_test.h>
+#include "_PDCLIB_test.h"
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    /* Testing covered by ftell.c */
     return TEST_RESULTS;
 }