From fbdfc6b0d5a12adc0257e6fb2a1d1627c9109040 Mon Sep 17 00:00:00 2001
From: Reinder Feenstra <reinderfeenstra@gmail.com>
Date: Sat, 29 Jul 2023 00:50:03 +0200
Subject: [PATCH] added zlib required for reading CS2 config data stream, see
 #11

---
 server/CMakeLists.txt     | 11 +++++++++++
 server/src/utils/zlib.cpp | 36 ++++++++++++++++++++++++++++++++++++
 server/src/utils/zlib.hpp | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 server/src/utils/zlib.cpp
 create mode 100644 server/src/utils/zlib.hpp

diff --git a/server/CMakeLists.txt b/server/CMakeLists.txt
index e2a99755..a70a7897 100644
--- a/server/CMakeLists.txt
+++ b/server/CMakeLists.txt
@@ -281,6 +281,17 @@ else()
   list(APPEND SOURCES ${SOURCES_BOOST})
 endif()
 
+# zlib
+if(WIN32)
+  # TODO
+else()
+  find_package(ZLIB REQUIRED)
+endif()
+target_include_directories(traintastic-server PRIVATE ${ZLIB_INCLUDE_DIRS})
+target_link_libraries(traintastic-server PRIVATE ${ZLIB_LIBRARIES})
+target_include_directories(traintastic-server-test PRIVATE ${ZLIB_INCLUDE_DIRS})
+target_link_libraries(traintastic-server-test PRIVATE ${ZLIB_LIBRARIES})
+
 # libarchive
 if(WIN32)
   set(LibArchive_INCLUDE_DIRS "thirdparty/libarchive/include")
diff --git a/server/src/utils/zlib.cpp b/server/src/utils/zlib.cpp
new file mode 100644
index 00000000..5ce6d012
--- /dev/null
+++ b/server/src/utils/zlib.cpp
@@ -0,0 +1,36 @@
+/**
+ * server/src/utils/zlib.cpp
+ *
+ * This file is part of the traintastic source code.
+ *
+ * Copyright (C) 2023 Reinder Feenstra
+ *
+ * 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.
+ */
+
+#include "zlib.hpp"
+#include <zlib.h>
+
+namespace ZLib::Uncompress {
+
+bool toString(const void* src, size_t srcSize, size_t dstSize, std::string& out)
+{
+  out.resize(dstSize);
+  int r = uncompress(reinterpret_cast<Bytef*>(out.data()), &dstSize, reinterpret_cast<const Bytef*>(src), srcSize);
+  out.resize(dstSize);
+  return r == Z_OK;
+}
+
+}
diff --git a/server/src/utils/zlib.hpp b/server/src/utils/zlib.hpp
new file mode 100644
index 00000000..296daf55
--- /dev/null
+++ b/server/src/utils/zlib.hpp
@@ -0,0 +1,34 @@
+/**
+ * server/src/utils/zlib.hpp
+ *
+ * This file is part of the traintastic source code.
+ *
+ * Copyright (C) 2023 Reinder Feenstra
+ *
+ * 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.
+ */
+
+#ifndef TRAINTASTIC_SERVER_UTILS_ZLIB_HPP
+#define TRAINTASTIC_SERVER_UTILS_ZLIB_HPP
+
+#include <string>
+
+namespace ZLib::Uncompress {
+
+bool toString(const void* src, size_t srcSize, size_t dstSize, std::string& out);
+
+}
+
+#endif