1 files changed, 0 insertions, 287 deletions
diff --git a/src/codec/zlib/zlib.cpp b/src/codec/zlib/zlib.cpp
deleted file mode 100644
index 246e32924..000000000
--- a/src/codec/zlib/zlib.cpp
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
-* Zlib Compressor
-* (C) 2001 Peter J Jones
-*     2001-2007 Jack Lloyd
-*     2006 Matt Johnston
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/zlib.h>
-#include <botan/exceptn.h>
-
-#include <cstring>
-#include <map>
-#include <zlib.h>
-
-namespace Botan {
-
-namespace {
-
-/*
-* Allocation Information for Zlib
-*/
-class Zlib_Alloc_Info
-   {
-   public:
-      std::map<void*, u32bit> current_allocs;
-      Allocator* alloc;
-
-      Zlib_Alloc_Info() { alloc = Allocator::get(false); }
-   };
-
-/*
-* Allocation Function for Zlib
-*/
-void* zlib_malloc(void* info_ptr, unsigned int n, unsigned int size)
-   {
-   Zlib_Alloc_Info* info = static_cast<Zlib_Alloc_Info*>(info_ptr);
-   void* ptr = info->alloc->allocate(n * size);
-   info->current_allocs[ptr] = n * size;
-   return ptr;
-   }
-
-/*
-* Allocation Function for Zlib
-*/
-void zlib_free(void* info_ptr, void* ptr)
-   {
-   Zlib_Alloc_Info* info = static_cast<Zlib_Alloc_Info*>(info_ptr);
-   std::map<void*, u32bit>::const_iterator i = info->current_allocs.find(ptr);
-   if(i == info->current_allocs.end())
-      throw Invalid_Argument("zlib_free: Got pointer not allocated by us");
-   info->alloc->deallocate(ptr, i->second);
-   }
-
-}
-
-/*
-* Wrapper Type for Zlib z_stream
-*/
-class Zlib_Stream
-   {
-   public:
-      z_stream stream;
-
-      Zlib_Stream()
-         {
-         std::memset(&stream, 0, sizeof(z_stream));
-         stream.zalloc = zlib_malloc;
-         stream.zfree = zlib_free;
-         stream.opaque = new Zlib_Alloc_Info;
-         }
-      ~Zlib_Stream()
-         {
-         Zlib_Alloc_Info* info = static_cast<Zlib_Alloc_Info*>(stream.opaque);
-         delete info;
-         std::memset(&stream, 0, sizeof(z_stream));
-         }
-   };
-
-/*
-* Zlib_Compression Constructor
-*/
-Zlib_Compression::Zlib_Compression(u32bit l) :
-   level((l >= 9) ? 9 : l), buffer(DEFAULT_BUFFERSIZE)
-   {
-   zlib = 0;
-   }
-
-/*
-* Start Compressing with Zlib
-*/
-void Zlib_Compression::start_msg()
-   {
-   clear();
-   zlib = new Zlib_Stream;
-   if(deflateInit(&(zlib->stream), level) != Z_OK)
-      throw Exception("Zlib_Compression: Memory allocation error");
-   }
-
-/*
-* Compress Input with Zlib
-*/
-void Zlib_Compression::write(const byte input[], u32bit length)
-   {
-   zlib->stream.next_in = static_cast<Bytef*>(const_cast<byte*>(input));
-   zlib->stream.avail_in = length;
-
-   while(zlib->stream.avail_in != 0)
-      {
-      zlib->stream.next_out = static_cast<Bytef*>(buffer.begin());
-      zlib->stream.avail_out = buffer.size();
-      deflate(&(zlib->stream), Z_NO_FLUSH);
-      send(buffer.begin(), buffer.size() - zlib->stream.avail_out);
-      }
-   }
-
-/*
-* Finish Compressing with Zlib
-*/
-void Zlib_Compression::end_msg()
-   {
-   zlib->stream.next_in = 0;
-   zlib->stream.avail_in = 0;
-
-   int rc = Z_OK;
-   while(rc != Z_STREAM_END)
-      {
-      zlib->stream.next_out = reinterpret_cast<Bytef*>(buffer.begin());
-      zlib->stream.avail_out = buffer.size();
-      rc = deflate(&(zlib->stream), Z_FINISH);
-      send(buffer.begin(), buffer.size() - zlib->stream.avail_out);
-      }
-   clear();
-   }
-
-/*
-* Flush the Zlib Compressor
-*/
-void Zlib_Compression::flush()
-   {
-   zlib->stream.next_in = 0;
-   zlib->stream.avail_in = 0;
-
-   while(true)
-      {
-      zlib->stream.avail_out = buffer.size();
-
-      zlib->stream.next_out = reinterpret_cast<Bytef*>(buffer.begin());
-
-
-      deflate(&(zlib->stream), Z_FULL_FLUSH);
-      send(buffer.begin(), buffer.size() - zlib->stream.avail_out);
-      if(zlib->stream.avail_out == buffer.size()) break;
-      }
-   }
-
-/*
-* Clean up Compression Context
-*/
-void Zlib_Compression::clear()
-   {
-   if(zlib)
-      {
-      deflateEnd(&(zlib->stream));
-      delete zlib;
-      zlib = 0;
-      }
-
-   buffer.clear();
-   }
-
-/*
-* Zlib_Decompression Constructor
-*/
-Zlib_Decompression::Zlib_Decompression() : buffer(DEFAULT_BUFFERSIZE)
-   {
-   zlib = 0;
-   no_writes = true;
-   }
-
-/*
-* Start Decompressing with Zlib
-*/
-void Zlib_Decompression::start_msg()
-   {
-   clear();
-   zlib = new Zlib_Stream;
-   if(inflateInit(&(zlib->stream)) != Z_OK)
-      throw Exception("Zlib_Decompression: Memory allocation error");
-   }
-
-/*
-* Decompress Input with Zlib
-*/
-void Zlib_Decompression::write(const byte input_arr[], u32bit length)
-   {
-   if(length) no_writes = false;
-
-   // non-const needed by zlib api :(
-   Bytef* input = reinterpret_cast<Bytef*>(const_cast<byte*>(input_arr));
-
-   zlib->stream.next_in = input;
-   zlib->stream.avail_in = length;
-
-   while(zlib->stream.avail_in != 0)
-      {
-      zlib->stream.next_out = reinterpret_cast<Bytef*>(buffer.begin());
-      zlib->stream.avail_out = buffer.size();
-
-      int rc = inflate(&(zlib->stream), Z_SYNC_FLUSH);
-
-      if(rc != Z_OK && rc != Z_STREAM_END)
-         {
-         clear();
-         if(rc == Z_DATA_ERROR)
-            throw Decoding_Error("Zlib_Decompression: Data integrity error");
-         if(rc == Z_NEED_DICT)
-            throw Decoding_Error("Zlib_Decompression: Need preset dictionary");
-         if(rc == Z_MEM_ERROR)
-            throw Exception("Zlib_Decompression: Memory allocation error");
-         throw Exception("Zlib_Decompression: Unknown decompress error");
-         }
-
-      send(buffer.begin(), buffer.size() - zlib->stream.avail_out);
-
-      if(rc == Z_STREAM_END)
-         {
-         u32bit read_from_block = length - zlib->stream.avail_in;
-         start_msg();
-
-         zlib->stream.next_in = input + read_from_block;
-         zlib->stream.avail_in = length - read_from_block;
-
-         input += read_from_block;
-         length -= read_from_block;
-         }
-      }
-   }
-
-/*
-* Finish Decompressing with Zlib
-*/
-void Zlib_Decompression::end_msg()
-   {
-   if(no_writes) return;
-   zlib->stream.next_in = 0;
-   zlib->stream.avail_in = 0;
-
-   int rc = Z_OK;
-
-   while(rc != Z_STREAM_END)
-      {
-      zlib->stream.next_out = reinterpret_cast<Bytef*>(buffer.begin());
-      zlib->stream.avail_out = buffer.size();
-      rc = inflate(&(zlib->stream), Z_SYNC_FLUSH);
-
-      if(rc != Z_OK && rc != Z_STREAM_END)
-         {
-         clear();
-         throw Exception("Zlib_Decompression: Error finalizing decompression");
-         }
-
-      send(buffer.begin(), buffer.size() - zlib->stream.avail_out);
-      }
-
-   clear();
-   }
-
-/*
-* Clean up Decompression Context
-*/
-void Zlib_Decompression::clear()
-   {
-   no_writes = true;
-
-   if(zlib)
-      {
-      inflateEnd(&(zlib->stream));
-      delete zlib;
-      zlib = 0;
-      }
-
-   buffer.clear();
-   }
-
-}