1 files changed, 53 insertions, 0 deletions
diff --git a/src/pdclib/functions/stdio/fflush.c b/src/pdclib/functions/stdio/fflush.c
new file mode 100644
index 0000000..3d0b297
--- /dev/null
+++ b/src/pdclib/functions/stdio/fflush.c
@@ -0,0 +1,53 @@
+/* fflush( 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/_PDCLIB_glue.h"
+
+extern struct _PDCLIB_file_t * _PDCLIB_filelist;
+
+int fflush( struct _PDCLIB_file_t * stream )
+{
+    if ( stream == NULL )
+    {
+        int rc = 0;
+        stream = _PDCLIB_filelist;
+        /* TODO: Check what happens when fflush( NULL ) encounters write errors, in other libs */
+        while ( stream != NULL )
+        {
+            if ( stream->status & _PDCLIB_FWRITE )
+            {
+                if ( _PDCLIB_flushbuffer( stream ) == EOF )
+                {
+                    rc = EOF;
+                }
+            }
+            stream = stream->next;
+        }
+        return rc;
+    }
+    else
+    {
+        return _PDCLIB_flushbuffer( stream );
+    }
+}
+
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    /* Testing covered by ftell.c */
+    return TEST_RESULTS;
+}
+
+#endif