1 files changed, 38 insertions, 1 deletions
diff --git a/src/utils/files.cpp b/src/utils/files.cpp
index cb43ff5df..206a4d4bd 100644
--- a/src/utils/files.cpp
+++ b/src/utils/files.cpp
@@ -1,6 +1,6 @@
 /*
  *  The ManaPlus Client
- *  Copyright (C) 2013  The ManaPlus Developers
+ *  Copyright (C) 2013-2014  The ManaPlus Developers
  *
  *  This file is part of The ManaPlus Client.
  *
@@ -126,6 +126,7 @@ void Files::extractZip(const std::string &restrict zipName,
 int Files::renameFile(const std::string &restrict srcName,
                       const std::string &restrict dstName)
 {
+#if defined __native_client__
     FILE *srcFile = fopen(srcName.c_str(), "rb");
     if (srcFile == nullptr)
         return -1;
@@ -158,4 +159,40 @@ int Files::renameFile(const std::string &restrict srcName,
         return 0;
 
     return -1;
+#else
+    return ::rename(srcName.c_str(), dstName.c_str());
+#endif
+}
+
+int Files::copyFile(const std::string &restrict srcName,
+                    const std::string &restrict dstName)
+{
+    FILE *srcFile = fopen(srcName.c_str(), "rb");
+    if (srcFile == nullptr)
+        return -1;
+    FILE *dstFile = fopen(dstName.c_str(), "w+b");
+    if (dstFile == nullptr)
+    {
+        fclose(srcFile);
+        return -1;
+    }
+
+    const int chunkSize = 500000;
+    char *buf = new char[chunkSize];
+    size_t sz = 0;
+    while ((sz = fread(buf, 1, chunkSize, srcFile)))
+    {
+        if (fwrite(buf, 1, sz, dstFile) != sz)
+        {
+            delete [] buf;
+            fclose(srcFile);
+            fclose(dstFile);
+            return -1;
+        }
+    }
+
+    delete [] buf;
+    fclose(srcFile);
+    fclose(dstFile);
+    return 0;
 }