text: /* Copyright (c) 2007, 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.
   *
   * ---
   * Author: Craig Silverstein
   */
  
  #include <sparsehash/internal/sparseconfig.h>
  #ifndef WIN32
  # error You should only be including windows/port.cc in a windows environment!
  #endif
  
  #include "config.h"
  #include <stdarg.h>    // for va_list, va_start, va_end
  #include "port.h"
  
  // Calls the windows _vsnprintf, but always NUL-terminate.
  int snprintf(char *str, size_t size, const char *format, ...) {
    if (size == 0)        // not even room for a \0?
      return -1;          // not what C99 says to do, but what windows does
    str[size-1] = '\0';
    va_list ap;
    va_start(ap, format);
    const int r = _vsnprintf(str, size-1, format, ap);
    va_end(ap);
    return r;
  }
  
  std::string TmpFile(const char* basename) {
    char tmppath_buffer[1024];
    int tmppath_len = GetTempPathA(sizeof(tmppath_buffer), tmppath_buffer);
    if (tmppath_len <= 0 || tmppath_len >= sizeof(tmppath_buffer)) {
      return basename;           // an error, so just bail on tmppath
    }
    snprintf(tmppath_buffer + tmppath_len, sizeof(tmppath_buffer) - tmppath_len,
             "\\%s", basename);
    return tmppath_buffer;
  }
  