diff options
Diffstat (limited to 'gnuradio-core/src/lib/runtime/gr_preferences.cc')
-rw-r--r-- | gnuradio-core/src/lib/runtime/gr_preferences.cc | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_preferences.cc b/gnuradio-core/src/lib/runtime/gr_preferences.cc new file mode 100644 index 0000000000..854314447a --- /dev/null +++ b/gnuradio-core/src/lib/runtime/gr_preferences.cc @@ -0,0 +1,101 @@ +/* -*- 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. + */ + +#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> + + +#ifdef MKDIR_TAKES_ONE_ARG +#define gr_mkdir(pathname, mode) mkdir(pathname) +#else +#define gr_mkdir(pathname, mode) mkdir((pathname), (mode)) +#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 char buf[200]; + snprintf (buf, sizeof (buf), "%s/.gnuradio/prefs/%s", getenv ("HOME"), key); + return buf; +} + +static void +ensure_dir_path () +{ + char path[200]; + struct stat statbuf; + + snprintf (path, sizeof (path), "%s/.gnuradio/prefs", getenv ("HOME")); + if (stat (path, &statbuf) == 0 && S_ISDIR (statbuf.st_mode)) + return; + + // blindly try to make it // FIXME make this robust. C++ SUCKS! + + snprintf (path, sizeof (path), "%s/.gnuradio", getenv ("HOME")); + gr_mkdir (path, 0750); + snprintf (path, sizeof (path), "%s/.gnuradio/prefs", getenv ("HOME")); + gr_mkdir (path, 0750); +} + +const char * +gr_preferences::get (const char *key) +{ + static char buf[1024]; + + FILE *fp = fopen (pathname (key), "r"); + if (fp == 0) + return 0; + + memset (buf, 0, sizeof (buf)); + fread (buf, 1, sizeof (buf) - 1, fp); + 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; + } + + fwrite (value, 1, strlen (value), fp); + fclose (fp); +}; |