/* host.c */ /* avr.host - Host fonctions modules. {{{ * * Copyright (C) 2005 Nicolas Schodet * * Robot APB Team/Efrei 2006. * Web: http://assos.efrei.fr/robot/ * Email: robot AT efrei DOT fr * * This program 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 of the License, or * (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * }}} */ #define _GNU_SOURCE #include "host.h" #include #include #include #include #include /** Initialise host modules. */ void host_init (int argc, char **argv) { } /** Register a host integer. */ void host_register_integer (const char *name, int val) { char sval[256]; /* Convert to string, and register the string. */ assert (snprintf (sval, sizeof (sval), "%d", val) < (int) sizeof (sval)); host_register_string (name, sval); } /** Register a host string. */ void host_register_string (const char *name, const char *val) { assert (setenv (name, val, 1) == 0); } /** Fetch a host integer, return -1 if non existant. */ int host_fetch_integer (const char *name) { const char *sval = host_fetch_string (name); return sval ? atoi (sval) : -1; } /** Fetch a host string, return 0 if non existant. */ const char * host_fetch_string (const char *name) { return getenv (name); } /** Reset the program. */ void host_reset (void) { execlp (program_invocation_name, program_invocation_name, 0); assert_perror (errno); abort (); }