Diff: core/buffer.h

Revision:

4:cbaf466d717d

Parent:

2:527a66d0a1a9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/buffer.h	Tue Jun 10 14:23:09 2014 +0000
@@ -0,0 +1,108 @@
+/*
+MiniTLS - A super trimmed down TLS/SSL Library for embedded devices
+Author: Donatien Garnier
+Copyright (C) 2013-2014 AppNearMe Ltd
+
+This program 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 2
+of the License, or (at your option) any later version.
+
+This program 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 this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*//**
+ * \file buffer.h
+ * \copyright Copyright (c) AppNearMe Ltd 2013
+ * \author Donatien Garnier
+ */
+
+#ifndef BUFFER_H_
+#define BUFFER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "core/fwk.h"
+
+typedef struct __buffer
+{
+  uint8_t* bufdata;
+  size_t size;
+
+  uint8_t* start;
+  size_t first_byte_length; //In bits
+
+  uint8_t* end;
+  size_t last_byte_length; //In bits
+
+  struct __buffer* next;
+
+} buffer_t;
+
+void buffer_init(buffer_t* pBuf, uint8_t* bufdata, size_t size);
+
+void buffer_byref(buffer_t* pBuf, uint8_t* bufdata, size_t length); //New buffer by ref on a size_t array, no malloc (useful on PIC for instance)
+
+buffer_t* buffer_new(size_t size); //malloc
+
+uint8_t* buffer_data(buffer_t* pBuf);
+
+void buffer_reset(buffer_t* pBuf);
+
+size_t buffer_size(buffer_t* pBuf);
+
+size_t buffer_length(buffer_t* pBuf);
+
+size_t buffer_space(buffer_t* pBuf);
+
+bool buffer_empty(buffer_t* pBuf);
+
+void buffer_set_length(buffer_t* pBuf, size_t length);
+
+size_t buffer_last_byte_length(buffer_t* pBuf);
+
+void buffer_set_last_byte_length(buffer_t* pBuf, size_t length);
+
+size_t buffer_bits_count(buffer_t* pBuf);
+
+void buffer_write_byte(buffer_t* pBuf, uint8_t b);
+
+void buffer_write_bit(buffer_t* pBuf, uint8_t b);
+
+#if 0
+size_t buffer_read_byte(buffer_t* pBuf, uint8_t b);
+
+size_t buffer_read_bit(buffer_t* pBuf, uint8_t b);
+#endif
+
+buffer_t* buffer_next(buffer_t* pBuf);
+
+void buffer_set_next(buffer_t* pBuf, buffer_t* pNextBuf);
+
+void buffer_append(buffer_t* pBuf, buffer_t* pAppBuf);
+
+void buffer_unlink(buffer_t* pBuf, buffer_t* pLinkedBuf);
+
+size_t buffer_total_size(buffer_t* pBuf);
+
+size_t buffer_total_length(buffer_t* pBuf);
+
+void buffer_set_total_length(buffer_t* pBuf, size_t length);
+
+void buffer_free(buffer_t* pBuf);
+
+//Debug
+void buffer_dump(buffer_t* pBuf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BUFFER_H_ */