format test

base/strings/string16.cc

 // Copyright 2013 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 "base/strings/string16.h"
 
 #if defined(WCHAR_T_IS_UTF16)
 
 #error This file should not be used on 2-byte wchar_t systems
 // If this winds up being needed on 2-byte wchar_t systems, either the
 // definitions below can be used, or the host system's wide character
 // functions like wmemcmp can be wrapped.
 
 #elif defined(WCHAR_T_IS_UTF32)
 
 #include <ostream>
 
 #include "base/strings/utf_string_conversions.h"
 
 namespace base {
 
 int c16memcmp(const char16* s1, const char16* s2, size_t n) {
-  // We cannot call memcmp because that changes the semantics.
-  while (n-- > 0) {
-    if (*s1 != *s2) {
-      // We cannot use (*s1 - *s2) because char16 is unsigned.
-      return ((*s1 < *s2) ? -1 : 1);
-    }
-    ++s1;
-    ++s2;
-  }
-  return 0;
+  while (n-- > 0) { if (*s1 != *s2) { return ((*s1 < *s2) ? -1 : 1); } ++s1; ++s2; } return 0;
 }
 
 size_t c16len(const char16* s) {
   const char16 *s_orig = s;
   while (*s) {
     ++s;
   }
   return s - s_orig;
 }
 
@@ skipping 30 matching lines @@
 
 void PrintTo(const string16& str, std::ostream* out) {
   *out << str;
 }
 
 }  // namespace base
 
 template class std::basic_string<base::char16, base::string16_char_traits>;
 
 #endif  // WCHAR_T_IS_UTF32