Method GetLocalTempDirectories

tensorflow/core/platform/posix/env.cc:230–267

#endif

void PosixEnv::GetLocalTempDirectories(std::vector<string>* list) {
  list->clear();
  // Directories, in order of preference. If we find a dir that
  // exists, we stop adding other less-preferred dirs
  const char* candidates[] = {
    // Non-null only during unittest/regtest
    getenv("TEST_TMPDIR"),

    // Explicitly-supplied temp dirs
    getenv("TMPDIR"),
    getenv("TMP"),

#if defined(__ANDROID__)
    "/data/local/tmp",
#endif

    // If all else fails
    "/tmp",
  };

  for (const char* d : candidates) {
    if (!d || d[0] == '\0') continue;  // Empty env var

    // Make sure we don't surprise anyone who's expecting a '/'
    string dstr = d;
    if (dstr[dstr.size() - 1] != '/') {
      dstr += "/";
    }

    struct stat statbuf;
    if (!stat(d, &statbuf) && S_ISDIR(statbuf.st_mode) &&
        !access(dstr.c_str(), 0)) {
      // We found a dir that exists and is accessible - we're done.
      list->push_back(dstr);
      return;
    }
  }
}

}  // namespace tensorflow