Comment cleanups.

[pdclib] / functions / stdio / fsetpos.c

diff --git a/functions/stdio/fsetpos.c b/functions/stdio/fsetpos.c
index ae100394be6974721496eae8ab3cc649f9a9fd1c..6f68710c13430f3770499e9c94c8e40366e3d735 100644 (file)
--- a/functions/stdio/fsetpos.c
+++ b/functions/stdio/fsetpos.c
@@ -1,8 +1,41 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int fsetpos( FILE * stream, const fpos_t * pos ) { /* TODO */ };
+/* fsetpos( FILE *, const fpos_t * )
+
+   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>
+
+int fsetpos( struct _PDCLIB_file_t * stream, const struct _PDCLIB_fpos_t * pos )
+{
+    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