MD5Update function uses StringPiece instead of raw buffer.

chrome/browser/safe_browsing/safe_browsing_store_file.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/safe_browsing/safe_browsing_store_file.h"
 
 #include "base/callback.h"
 #include "base/md5.h"
 #include "base/metrics/histogram.h"
 
@@ skipping 40 matching lines @@
 
 // Read an array of |nmemb| items from |fp| into |ptr|, and fold the
 // input data into the checksum in |context|, if non-NULL.  Return
 // true on success.
 template <class T>
 bool ReadArray(T* ptr, size_t nmemb, FILE* fp, base::MD5Context* context) {
   const size_t ret = fread(ptr, sizeof(T), nmemb, fp);
   if (ret != nmemb)
     return false;
 
-  if (context)
-    base::MD5Update(context, ptr, sizeof(T) * nmemb);
+  if (context) {
+    base::MD5Update(context,
+                    base::StringPiece(reinterpret_cast<char*>(ptr),
+                                      sizeof(T) * nmemb));
+  }
   return true;
 }
 
 // Write an array of |nmemb| items from |ptr| to |fp|, and fold the
 // output data into the checksum in |context|, if non-NULL.  Return
 // true on success.
 template <class T>
 bool WriteArray(const T* ptr, size_t nmemb, FILE* fp,
                 base::MD5Context* context) {
   const size_t ret = fwrite(ptr, sizeof(T), nmemb, fp);
   if (ret != nmemb)
     return false;
 
-  if (context)
-    base::MD5Update(context, ptr, sizeof(T) * nmemb);
+  if (context) {
+    base::MD5Update(context,
+                    base::StringPiece(reinterpret_cast<const char*>(ptr),
+                                      sizeof(T) * nmemb));
+  }
 
   return true;
 }
 
 // Expand |values| to fit |count| new items, read those items from
 // |fp| and fold them into the checksum in |context|.  Returns true on
 // success.
 template <class T>
 bool ReadToVector(std::vector<T>* values, size_t count, FILE* fp,
                   base::MD5Context* context) {
@@ skipping 634 matching lines @@
   out->insert(out->end(), sub_chunks_cache_.begin(), sub_chunks_cache_.end());
 }
 
 void SafeBrowsingStoreFile::DeleteAddChunk(int32 chunk_id) {
   add_del_cache_.insert(chunk_id);
 }
 
 void SafeBrowsingStoreFile::DeleteSubChunk(int32 chunk_id) {
   sub_del_cache_.insert(chunk_id);
 }