Comment cleanups.

[pdclib] / functions / stdio / fsetpos.c

diff --git a/functions/stdio/fsetpos.c b/functions/stdio/fsetpos.c
index b77104728304ac347c9c1afd8465d1d0a74fefb8..6f68710c13430f3770499e9c94c8e40366e3d735 100644 (file)
--- a/functions/stdio/fsetpos.c
+++ b/functions/stdio/fsetpos.c
@@ -1,15 +1,41 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* fsetpos( FILE *, const fpos_t * )
 
-int fsetpos( FILE * stream, const fpos_t * pos ) { /* 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>
+
+#ifndef REGTEST
+#include <_PDCLIB_glue.h>
 
-/* PDPC code - unreviewed
+int fsetpos( struct _PDCLIB_file_t * stream, const struct _PDCLIB_fpos_t * pos )
 {
-    fseek(stream, *pos, SEEK_SET);
-    return (0);
+    if ( stream->status & _PDCLIB_FWRITE )
+    {
+        if ( _PDCLIB_flushbuffer( stream ) == EOF )
+        {
+            return EOF;
+        }
+    }
+    if ( _PDCLIB_seek( stream, pos->offset, SEEK_SET ) == EOF )
+    {
+        return EOF;
+    }
+    stream->pos.status = pos->status;
+    /* TODO: Add mbstate. */
+    return 0;
 }
-*/
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    /* fsetpos() tested together with fsetpos(). */
+    return TEST_RESULTS;
+}
+
+#endif