1 files changed, 69 insertions, 0 deletions
diff --git a/src/core/lib/gpr/tmpfile_windows.cc b/src/core/lib/gpr/tmpfile_windows.cc
new file mode 100644
index 0000000000..d486808418
--- /dev/null
+++ b/src/core/lib/gpr/tmpfile_windows.cc
@@ -0,0 +1,69 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_WINDOWS_TMPFILE
+
+#include <io.h>
+#include <stdio.h>
+#include <string.h>
+#include <tchar.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/lib/gpr/string_windows.h"
+#include "src/core/lib/gpr/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;
+}
+
+#endif /* GPR_WINDOWS_TMPFILE */