X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Fferror.c;h=7ca531ed441bb00eec8b35e59370b6928f7aa798;hb=0d54a75af25ca44411e7c4190cc2a93a390e61a2;hp=a1855a32a7adb0eab2668539c2a97f864842cbfe;hpb=dcc8a8e99f69e090a03b7b868443addbc0817820;p=pdclib.old

diff --git a/functions/stdio/ferror.c b/functions/stdio/ferror.c
index a1855a3..7ca531e 100644
--- a/functions/stdio/ferror.c
+++ b/functions/stdio/ferror.c
@@ -1,8 +1,30 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int ferror( FILE * stream ) { /* TODO */ };
+/* $Id$ */
+
+/* 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
+
+int ferror( struct _PDCLIB_file_t * stream )
+{
+    return stream->status & _PDCLIB_ERRORFLAG;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    /* Testing covered by clearerr(). */
+    return TEST_RESULTS;
+}
+
+#endif
+