sandbox/linux/tests/scoped_temporary_file.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "sandbox/linux/tests/scoped_temporary_file.h"
   6
   7 #include <stdlib.h>
   8 #include <unistd.h>
   9
  10 #include "base/logging.h"
  11 #include "base/macros.h"
  12 #include "base/posix/eintr_wrapper.h"
  13 #include "build/build_config.h"
  14
  15 namespace sandbox {
  16
  17 ScopedTemporaryFile::ScopedTemporaryFile() : fd_(-1) {
  18 #if defined(OS_ANDROID)
  19   static const char file_template[] = "/data/local/tmp/ScopedTempFileXXXXXX";
  20 #else
  21   static const char file_template[] = "/tmp/ScopedTempFileXXXXXX";
  22 #endif  // defined(OS_ANDROID)
  23   static_assert(sizeof(full_file_name_) >= sizeof(file_template),
  24                 "full_file_name is not large enough");
  25   memcpy(full_file_name_, file_template, sizeof(file_template));
  26   fd_ = mkstemp(full_file_name_);
  27   CHECK_LE(0, fd_);
  28 }
  29
  30 ScopedTemporaryFile::~ScopedTemporaryFile() {
  31   CHECK_EQ(0, unlink(full_file_name_));
  32   CHECK_EQ(0, IGNORE_EINTR(close(fd_)));
  33 }
  34
  35 }  // namespace sandbox