d07ee46919
the same functionality). /proc takes up 90k of kernel space, so it is nice to avoid using it at all costs. The only places where it is depended on is for cetain optional mount/umount features, and for ps and lsmod. -Erik
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini free implementation for busybox
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*
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* Copyright (C) 1999 by Lineo, inc.
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* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <stdio.h>
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#include <sys/sysinfo.h>
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#define DIVISOR 1024
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extern int free_main(int argc, char **argv)
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{
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struct sysinfo info;
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sysinfo(&info);
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info.totalram/=DIVISOR;
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info.freeram/=DIVISOR;
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info.totalswap/=DIVISOR;
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info.freeswap/=DIVISOR;
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info.sharedram/=DIVISOR;
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info.bufferram/=DIVISOR;
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printf("%6s%13s%13s%13s%13s%13s\n", "", "total", "used", "free",
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"shared", "buffers");
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printf("%6s%13ld%13ld%13ld%13ld%13ld\n", "Mem:", info.totalram,
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info.totalram-info.freeram, info.freeram,
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info.sharedram, info.bufferram);
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printf("%6s%13ld%13ld%13ld\n", "Swap:", info.totalswap,
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info.totalswap-info.freeswap, info.freeswap);
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printf("%6s%13ld%13ld%13ld\n", "Total:", info.totalram+info.totalswap,
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(info.totalram-info.freeram)+(info.totalswap-info.freeswap),
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info.freeram+info.freeswap);
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exit(TRUE);
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}
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