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      1 /*
      2  * Copyright 2011 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "SkTypes.h"
      9 #if defined(SK_BUILD_FOR_WIN)
     10 
     11 #include "SkHRESULT.h"
     12 
     13 void SkTraceHR(const char* file, unsigned long line, HRESULT hr, const char* msg) {
     14     if (msg) {
     15         SkDebugf("%s\n", msg);
     16     }
     17     SkDebugf("%s(%lu) : error 0x%x: ", file, line, hr);
     18 
     19     LPSTR errorText = nullptr;
     20     FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER |
     21                    FORMAT_MESSAGE_FROM_SYSTEM |
     22                    FORMAT_MESSAGE_IGNORE_INSERTS,
     23                    nullptr,
     24                    hr,
     25                    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
     26                    (LPSTR) &errorText,
     27                    0,
     28                    nullptr
     29     );
     30 
     31     if (nullptr == errorText) {
     32         SkDebugf("<unknown>\n");
     33     } else {
     34         SkDebugf("%s", errorText);
     35         LocalFree(errorText);
     36         errorText = nullptr;
     37     }
     38 }
     39 
     40 #endif//defined(SK_BUILD_FOR_WIN)
     41