Function CopyFile

engine/source/platformEmscripten/EmscriptenFileio.cpp:100–136

------------------------------------------------------------------------------ copy a file from src to dest

//------------------------------------------------------------------------------
// copy a file from src to dest
static bool CopyFile(const char* src, const char* dest)
{
  S32 srcFd = x86UNIXOpen(src, O_RDONLY);
  S32 destFd = x86UNIXOpen(dest, O_WRONLY | O_CREAT | O_TRUNC);
  bool error = false;

  if (srcFd != -1 && destFd != -1)
  {
     const int BufSize = 8192;
     char buf[BufSize];
     S32 bytesRead = 0;
     while ((bytesRead = x86UNIXRead(srcFd, buf, BufSize)) > 0)
     {
        // write data
        if (x86UNIXWrite(destFd, buf, bytesRead) == -1)
        {
           error = true;
           break;
        }
     }

     if (bytesRead == -1)
        error = true;
  }

  if (srcFd != -1)
     x86UNIXClose(srcFd);
  if (destFd != -1)
     x86UNIXClose(destFd);

  if (error)
  {
     Con::errorf("Error copying file: %s, %s", src, dest);
     remove(dest);
  }
  return error;
}

//-----------------------------------------------------------------------------
bool Platform::pathCopy(const char *fromName, const char *toName, bool nooverwrite)