catch up with api and system changes in libpcp. added c++ buffer class as well

bindings/cpp/buffer++.h

@@ -0,0 +1,90 @@
+/*
+    This file is part of Pretty Curved Privacy (pcp1).
+
+    Copyright (C) 2013-2014 T.v.Dein.
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+
+    You can contact me by mail: <tom AT vondein DOT org>.
+*/
+
+
+#ifndef _HAVE_BUFFERPP_H
+#define _HAVE_BUFFERPP_H
+
+#include <pcp.h>
+#include <string>
+#include <iostream>
+
+
+namespace pcp {
+  class Buf {
+  private:
+    Buffer *B;
+
+  public:
+    Buf();
+    Buf(Buffer *b);
+    Buf(std::string name);
+    Buf(std::string name, size_t blocksize);
+    ~Buf();
+    
+    Buf& operator = (const Buf &b);
+
+    
+    void clear();
+    void rewind();
+    void add(const void *data, size_t len);
+    void add_buf(Buffer *src);
+
+    void add_string(std::string data);
+
+    void add_hex(void *data, size_t len);
+    void resize(size_t len);
+    int done();
+    size_t get_chunk(void *buf, size_t len);
+    unsigned char *get();
+
+    void dump();
+    void info();
+    size_t size();
+    size_t left();
+
+    std::string get_str();
+
+    unsigned char *get_remainder();
+    size_t extract(void *buf, size_t offset, size_t len);
+    uint8_t get8();
+    uint16_t get16();
+    uint32_t get32();
+    uint64_t get64();
+    uint16_t get16na();
+    uint32_t get32na();
+    uint64_t get64na();
+    uint8_t  last8();
+    uint16_t last16();
+    uint32_t last32();
+    uint64_t last64();
+    size_t fd_read(FILE *in, size_t len);
+    void add8(uint8_t v);
+    void add16(uint16_t v);
+    void add32(uint32_t v);
+    void add64(uint64_t v);
+    void add16be(uint16_t v);
+    void add32be(uint32_t v);
+    void add64be(uint64_t v);
+  };
+};
+
+#endif // HAVE_BUFFERPP_H