gr_tmp_path.cc

来自「gnuradio软件无线电源程序.现在的手机多基于软件无线电」· CC 代码 · 共 53 行

/* -*- c++ -*- */
/*
 * Copyright 2003 Free Software Foundation, Inc.
 * 
 * This file is part of GNU Radio
 * 
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <gr_tmp_path.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

const char *
gr_tmp_path ()
{
  static char *pp = 0;

  if (pp)
    return pp;

  char *s = getenv ("TMP");
  if (s){
    pp = strdup (s);
    return pp;
  }

#ifdef P_tmpdir
  if (P_tmpdir){
    pp = strdup (P_tmpdir);
    return pp;
  }
#endif

  pp = strdup ("/tmp");
  return pp;
}