1 /* vi: set sw=4 ts=4: */
3 * Mini free implementation for busybox
5 * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
6 * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 /* getopt not needed */
31 extern int free_main(int argc, char **argv)
36 /* Kernels prior to 2.4.x will return info.mem_unit==0, so cope... */
37 if (info.mem_unit==0) {
40 if ( info.mem_unit == 1 ) {
43 /* TODO: Make all this stuff not overflow when mem >= 4 Gib */
44 info.totalram/=info.mem_unit;
45 info.freeram/=info.mem_unit;
47 info.totalswap/=info.mem_unit;
48 info.freeswap/=info.mem_unit;
50 info.sharedram/=info.mem_unit;
51 info.bufferram/=info.mem_unit;
54 /* TODO: Make all this stuff not overflow when mem >= 4 Gib */
55 info.totalram*=info.mem_unit;
56 info.freeram*=info.mem_unit;
58 info.totalswap*=info.mem_unit;
59 info.freeswap*=info.mem_unit;
61 info.sharedram*=info.mem_unit;
62 info.bufferram*=info.mem_unit;
65 if (argc > 1 && **(argv + 1) == '-')
68 printf("%6s%13s%13s%13s%13s%13s\n", "", "total", "used", "free",
71 printf("%6s%13ld%13ld%13ld%13ld%13ld\n", "Mem:", info.totalram,
72 info.totalram-info.freeram, info.freeram,
73 info.sharedram, info.bufferram);
76 printf("%6s%13ld%13ld%13ld\n", "Swap:", info.totalswap,
77 info.totalswap-info.freeswap, info.freeswap);
79 printf("%6s%13ld%13ld%13ld\n", "Total:", info.totalram+info.totalswap,
80 (info.totalram-info.freeram)+(info.totalswap-info.freeswap),
81 info.freeram+info.freeswap);