Method write

engine/source/platformEmscripten/EmscriptenFileio.cpp:763–786

----------------------------------------------------------------------------- Write to a file. The number of bytes to write is passed in size, the data is passed in src. The number of bytes written is available in bytesWritten if a non-Null pointer is provided. -----------------------------------------------------------------------------

// pointer is provided.
//-----------------------------------------------------------------------------
File::Status File::write(U32 size, const char *src, U32 *bytesWritten)
{
  // JMQ: despite the U32 parameters, the maximum filesize supported by this
  // function is probably the max value of S32, due to the unix syscall
  // api.
  AssertFatal(Closed != currentStatus, "File::write: file closed");
  AssertFatal(NULL != handle, "File::write: invalid file handle");
  AssertFatal(NULL != src, "File::write: NULL source pointer");
  AssertFatal(true == hasCapability(FileWrite), "File::write: file lacks capability");
  AssertWarn(0 != size, "File::write: size of zero");
   
  if ((Ok != currentStatus && EOS != currentStatus) || 0 == size)
     return currentStatus;
  else
  {
     S32 numWritten = x86UNIXWrite(*((int *)handle), src, size);
     if (numWritten < 0)
        return setStatus();

     if (bytesWritten)
        *bytesWritten = static_cast<U32>(numWritten);
     return currentStatus = Ok;
  }
}

//-----------------------------------------------------------------------------
// Self-explanatory.  JMQ: No explanation needed.  Move along.  These aren't