cmake: remove config.h from public headers (closes #238)

[platform/upstream/glog.git] / src / stacktrace_windows-inl.h

diff --git a/src/stacktrace_windows-inl.h b/src/stacktrace_windows-inl.h
index 5606408..7263188 100644 (file)
--- a/src/stacktrace_windows-inl.h
+++ b/src/stacktrace_windows-inl.h
@@ -31,56 +31,20 @@
 //
 // Windows implementation - just use CaptureStackBackTrace
 
+#include "config.h"
 #include "port.h"
 #include "stacktrace.h"
-#include "Dbghelp.h"
-#include <vector>
+#include <DbgHelp.h>
 
 _START_GOOGLE_NAMESPACE_
 
-static bool ready_to_run = false;
-class StackTraceInit {
-public:
-  HANDLE hProcess;
-  StackTraceInit() {
-    // Initialize the symbol handler
-    // https://msdn.microsoft.com/en-us/library/windows/desktop/ms680344(v=vs.85).aspx
-    hProcess = GetCurrentProcess();
-    SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS);
-    SymInitialize(hProcess, NULL, true);
-    ready_to_run = true;
-  }
-  ~StackTraceInit() {
-    SymCleanup(hProcess);
-    ready_to_run = false;
-  }
-};
-
-static const StackTraceInit module_initializer;  // Force initialization
-
-// If you change this function, also change GetStackFrames below.
 int GetStackTrace(void** result, int max_depth, int skip_count) {
-  if (!ready_to_run) {
-    return 0;
-  }
-  skip_count++;  // we want to skip the current frame as well
   if (max_depth > 64) {
     max_depth = 64;
   }
-  std::vector<void*> stack(max_depth);
+  skip_count++;  // we want to skip the current frame as well
   // This API is thread-safe (moreover it walks only the current thread).
-  int size = CaptureStackBackTrace(skip_count, max_depth, &stack[0], NULL);
-  for (int i = 0; i < size; ++i) {
-    // Resolve symbol information from address.
-    char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
-    SYMBOL_INFO* symbol = reinterpret_cast<SYMBOL_INFO*>(buffer);
-    symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
-    symbol->MaxNameLen = MAX_SYM_NAME;
-    SymFromAddr(module_initializer.hProcess, reinterpret_cast<DWORD64>(stack[i]), 0, symbol);
-    result[i] = stack[i];
-  }
-
-  return size;
+  return CaptureStackBackTrace(skip_count, max_depth, result, NULL);
 }
 
 _END_GOOGLE_NAMESPACE_