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/* -*- c++ -*- */
/*
* Copyright 2003,2010,2011 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 3, 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., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gr_preferences.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <boost/filesystem/operations.hpp>
#include <boost/filesystem/path.hpp>
namespace fs = boost::filesystem;
static std::string get_home_dir(void){
#if defined(BOOST_WINDOWS)
return getenv ("APPDATA");
#else
return getenv ("HOME");
#endif
}
/*
* The simplest thing that could possibly work:
* the key is the filename; the value is the file contents.
*/
static const char *
pathname (const char *key)
{
static fs::path path;
path = fs::path(get_home_dir()) / ".gnuradio" / "prefs" / key;
return path.string().c_str();
}
static void
ensure_dir_path ()
{
fs::path path = fs::path(get_home_dir()) / ".gnuradio";
if (!fs::is_directory(path)) fs::create_directory(path);
path = path / "prefs";
if (!fs::is_directory(path)) fs::create_directory(path);
}
const char *
gr_preferences::get (const char *key)
{
static char buf[1024];
FILE *fp = fopen (pathname (key), "r");
if (fp == 0) {
perror (pathname (key));
return 0;
}
memset (buf, 0, sizeof (buf));
size_t ret = fread (buf, 1, sizeof (buf) - 1, fp);
if(ret == 0) {
if(ferror(fp) != 0) {
perror (pathname (key));
fclose (fp);
return 0;
}
}
fclose (fp);
return buf;
}
void
gr_preferences::set (const char *key, const char *value)
{
ensure_dir_path ();
FILE *fp = fopen (pathname (key), "w");
if (fp == 0){
perror (pathname (key));
return;
}
size_t ret = fwrite (value, 1, strlen (value), fp);
if(ret == 0) {
if(ferror(fp) != 0) {
perror (pathname (key));
fclose (fp);
return;
}
}
fclose (fp);
};
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