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/*
*
* Copyright 2015, 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 "src/core/support/file.h"
#include "src/core/support/string_win32.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) {
*tmp_filename_out = gpr_tchar_to_char(tmp_filename);
}
gpr_free(template_string);
return result;
}
#endif /* GPR_WIN32 */
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