mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* 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);
|
|
return(TRUE);
|
|
}
|