Actually, we wrote only size bytes.

src/core/SkStream.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkStream.h"
@@ skipping 800 matching lines @@
 }
 
 bool SkDebugWStream::write(const void* buffer, size_t size)
 {
 #if defined(SK_DEBUG) || defined(SK_DEVELOPER)
     char* s = new char[size+1];
     memcpy(s, buffer, size);
     s[size] = 0;
     SkDebugf("%s", s);
     delete[] s;
-    fBytesWritten += size+1;
+    fBytesWritten += size;
 #endif
     return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////
 
 
 static SkData* mmap_filename(const char path[]) {
     SkFILE* file = sk_fopen(path, kRead_SkFILE_Flag);
@@ skipping 14 matching lines @@
 
     // If we get here, then our attempt at using mmap failed, so try normal
     // file access.
     SkFILEStream* stream = SkNEW_ARGS(SkFILEStream, (path));
     if (!stream->isValid()) {
         stream->unref();
         stream = NULL;
     }
     return stream;
 }