Initial checkin of gRPC to third_party/

third_party/grpc/src/core/support/tmpfile_win32.c

Index: third_party/grpc/src/core/support/tmpfile_win32.c
diff --git a/third_party/WebKit/Source/build/win/Precompile.h b/third_party/grpc/src/core/support/tmpfile_win32.c
similarity index 54%
copy from third_party/WebKit/Source/build/win/Precompile.h
copy to third_party/grpc/src/core/support/tmpfile_win32.c
index 8a0ff29c353fc1d30c92d27f369d7c422a579bc8..3000f0029fe7e55d2617572031977638bbcd0760 100644
--- a/third_party/WebKit/Source/build/win/Precompile.h
+++ b/third_party/grpc/src/core/support/tmpfile_win32.c
@@ -1,5 +1,7 @@
 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Copyright 2015-2016, Google Inc.
+ * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -26,43 +28,57 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * Precompiled header for WebKit when built on Windows using
- * GYP-generated project files.  Not used by other build
- * configurations.
  *
- * Using precompiled headers speeds the build up significantly.  On a
- * fast machine (HP Z600, 12 GB of RAM), an ~18% decrease in full
- * build time was measured.
  */
 
-#if defined(WinPrecompile_h_)
-#error You shouldn't include the precompiled header file more than once.
-#endif
+#include <grpc/support/port_platform.h>
 
-#define WinPrecompile_h_
+#ifdef GPR_WIN32
 
-#define _USE_MATH_DEFINES // Make math.h behave like other platforms.
-
-#include <Windows.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <math.h>
-#include <stdarg.h>
-#include <stddef.h>
+#include <io.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
-#include <time.h>
+#include <tchar.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/support/string_win32.h"
+#include "src/core/support/tmpfile.h"
+
+FILE *gpr_tmpfile(const char *prefix, char **tmp_filename_out) {
+  FILE *result = NULL;
+  LPTSTR template_string = NULL;
+  TCHAR tmp_path[MAX_PATH];
+  TCHAR tmp_filename[MAX_PATH];
+  DWORD status;
+  UINT success;
+
+  if (tmp_filename_out != NULL) *tmp_filename_out = NULL;
+
+  /* Convert our prefix to TCHAR. */
+  template_string = gpr_char_to_tchar(prefix);
+  GPR_ASSERT(template_string);
+
+  /* Get the path to the best temporary folder available. */
+  status = GetTempPath(MAX_PATH, tmp_path);
+  if (status == 0 || status > MAX_PATH) goto end;
+
+  /* Generate a unique filename with our template + temporary path. */
+  success = GetTempFileName(tmp_path, template_string, 0, tmp_filename);
+  if (!success) goto end;
+
+  /* Open a file there. */
+  if (_tfopen_s(&result, tmp_filename, TEXT("wb+")) != 0) goto end;
+
+end:
+  if (result && tmp_filename_out) {
+    *tmp_filename_out = gpr_tchar_to_char(tmp_filename);
+  }
+
+  gpr_free(template_string);
+  return result;
+}
 
-#include <algorithm>
-#include <ciso646>
-#include <cmath>
-#include <cstddef>
-#include <limits>
-#include <string>
-#include <utility>
+#endif /* GPR_WIN32 */