Fix zlib issues (#28)

* create internal compression component

* use the new miniz code

* Update README.md

Author: Gogoshika-ga

README.md

@@ -123,7 +123,7 @@ Example:
 Example:
 
 ``` c++
- gameanalytics::GameAnalytics::initialize("<your game key>", "<your secret key");
+ gameanalytics::GameAnalytics::initialize("<your game key>", "<your secret key>");
 ```
 
 ### Send events

source/dependencies/miniz/miniz.c source/dependencies/miniz/GA_Zip.cppsource/dependencies/miniz/miniz.c renamed to source/dependencies/miniz/GA_Zip.cpp

@@ -219,9 +219,9 @@
 #define MINIZ_HAS_64BIT_REGISTERS 1
 #endif
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+namespace gameanalytics {
+namespace utilities {
+namespace zip {
 
 // ------------------- zlib-style API Definitions.
 
@@ -919,10 +919,6 @@ mz_uint32 tdefl_get_adler32(tdefl_compressor *d);
 mz_uint tdefl_create_comp_flags_from_zip_params(int level, int window_bits, int strategy);
 #endif // #ifndef MINIZ_NO_ZLIB_APIS
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif // MINIZ_HEADER_INCLUDED
 
 // ------------------- End of Header: Implementation follows. (If you only want the header, define MINIZ_HEADER_FILE_ONLY.)
@@ -968,10 +964,6 @@ typedef unsigned char mz_validate_uint64[sizeof(mz_uint64)==8 ? 1 : -1];
   #define MZ_FORCEINLINE inline
 #endif
 
-#ifdef __cplusplus
-  extern "C" {
-#endif
-
 // ------------------- zlib-style API's
 
 mz_ulong mz_adler32(mz_ulong adler, const unsigned char *ptr, size_t buf_len)
@@ -4882,12 +4874,12 @@ void *mz_zip_extract_archive_file_to_heap(const char *pZip_filename, const char
 
 #endif // #ifndef MINIZ_NO_ARCHIVE_APIS
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif // MINIZ_HEADER_FILE_ONLY
 
+} // namespace zip
+} // namespace utilities
+} // namespace gameanalytics
+
 /*
   This is free and unencumbered software released into the public domain.
 

source/gameanalytics/GAUtilities.cpp

@@ -20,12 +20,14 @@
 
 // From crypto
 #define MINIZ_HEADER_FILE_ONLY
-#include "miniz.c"
+#include "GA_Zip.cpp"
 
 namespace gameanalytics
 {
     namespace utilities
     {
+        using namespace zip;
+
         std::string printArray(StringVector const& v, std::string const& delim)
         {
             if(v.empty())