/* vi: set sw=4 ts=4: */ /* * Mini free implementation for busybox * * Copyright (C) 1999,2000 by Lineo, inc. * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> * * 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 * */ #include "internal.h" #include <stdio.h> #include <sys/sysinfo.h> #define DIVISOR 1024 extern int free_main(int argc, char **argv) { struct sysinfo info; sysinfo(&info); info.totalram/=DIVISOR; info.freeram/=DIVISOR; info.totalswap/=DIVISOR; info.freeswap/=DIVISOR; info.sharedram/=DIVISOR; info.bufferram/=DIVISOR; if (argc > 1 && **(argv + 1) == '-') { usage("free\n" #ifndef BB_FEATURE_TRIVIAL_HELP "\nDisplays the amount of free and used system memory\n" #endif ); } printf("%6s%13s%13s%13s%13s%13s\n", "", "total", "used", "free", "shared", "buffers"); printf("%6s%13ld%13ld%13ld%13ld%13ld\n", "Mem:", info.totalram, info.totalram-info.freeram, info.freeram, info.sharedram, info.bufferram); printf("%6s%13ld%13ld%13ld\n", "Swap:", info.totalswap, info.totalswap-info.freeswap, info.freeswap); printf("%6s%13ld%13ld%13ld\n", "Total:", info.totalram+info.totalswap, (info.totalram-info.freeram)+(info.totalswap-info.freeswap), info.freeram+info.freeswap); exit(TRUE); }