X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Fferror.c;h=43fad2d8f67031fde75c3cb2713a48f2a743b4fa;hp=71bd7378e642c328f3b5c5dc1fe7647429c8c928;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=bdb5cd8978b8ec6f0e616bdb1810c8d753e4d84b

diff --git a/functions/stdio/ferror.c b/functions/stdio/ferror.c
index 71bd737..43fad2d 100644
--- a/functions/stdio/ferror.c
+++ b/functions/stdio/ferror.c
@@ -1,16 +1,37 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-#ifndef __FILE_H
-#define __FILE_H __FILE_H
-#include <__FILE.h>
-#endif // __FILE_H
-
-int ferror( FILE * fh )
+/* ferror( FILE * )
+
+   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_io.h"
+
+int _PDCLIB_ferror_unlocked( FILE * stream )
+{
+    return stream->status & _PDCLIB_ERRORFLAG;
+}
+
+int ferror( FILE * stream )
 {
-    return fh->ErrorIndicator;
+    _PDCLIB_flockfile( stream );
+    int error = _PDCLIB_ferror_unlocked( stream );
+    _PDCLIB_funlockfile( stream );
+    return error;
 }
+
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    /* Testing covered by clearerr(). */
+    return TEST_RESULTS;
+}
+
+#endif
+