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-rw-r--r--src/core/support/tmpfile_win32.c84
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diff --git a/src/core/support/tmpfile_win32.c b/src/core/support/tmpfile_win32.c
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+/*
+ *
+ * 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
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_WIN32
+
+#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/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;
+}
+
+#endif /* GPR_WIN32 */