Contents of /trunk/mkinitrd-magellan/busybox/procps/free.c
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Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
File MIME type: text/plain
File size: 1753 byte(s)
Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
File MIME type: text/plain
File size: 1753 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
| 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Mini free implementation for busybox |
| 4 | * |
| 5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
| 6 | * |
| 7 | * Licensed under the GPL version 2, see the file LICENSE in this tarball. |
| 8 | */ |
| 9 | |
| 10 | /* getopt not needed */ |
| 11 | |
| 12 | #include "busybox.h" |
| 13 | |
| 14 | int free_main(int argc, char **argv) |
| 15 | { |
| 16 | struct sysinfo info; |
| 17 | sysinfo(&info); |
| 18 | |
| 19 | /* Kernels prior to 2.4.x will return info.mem_unit==0, so cope... */ |
| 20 | if (info.mem_unit==0) { |
| 21 | info.mem_unit=1; |
| 22 | } |
| 23 | if ( info.mem_unit == 1 ) { |
| 24 | info.mem_unit=1024; |
| 25 | |
| 26 | /* TODO: Make all this stuff not overflow when mem >= 4 Gib */ |
| 27 | info.totalram/=info.mem_unit; |
| 28 | info.freeram/=info.mem_unit; |
| 29 | #ifndef __uClinux__ |
| 30 | info.totalswap/=info.mem_unit; |
| 31 | info.freeswap/=info.mem_unit; |
| 32 | #endif |
| 33 | info.sharedram/=info.mem_unit; |
| 34 | info.bufferram/=info.mem_unit; |
| 35 | } else { |
| 36 | info.mem_unit/=1024; |
| 37 | /* TODO: Make all this stuff not overflow when mem >= 4 Gib */ |
| 38 | info.totalram*=info.mem_unit; |
| 39 | info.freeram*=info.mem_unit; |
| 40 | #ifndef __uClinux__ |
| 41 | info.totalswap*=info.mem_unit; |
| 42 | info.freeswap*=info.mem_unit; |
| 43 | #endif |
| 44 | info.sharedram*=info.mem_unit; |
| 45 | info.bufferram*=info.mem_unit; |
| 46 | } |
| 47 | |
| 48 | if (argc > 1 && **(argv + 1) == '-') |
| 49 | bb_show_usage(); |
| 50 | |
| 51 | printf("%6s%13s%13s%13s%13s%13s\n", "", "total", "used", "free", |
| 52 | "shared", "buffers"); |
| 53 | |
| 54 | printf("%6s%13ld%13ld%13ld%13ld%13ld\n", "Mem:", info.totalram, |
| 55 | info.totalram-info.freeram, info.freeram, |
| 56 | info.sharedram, info.bufferram); |
| 57 | |
| 58 | #ifndef __uClinux__ |
| 59 | printf("%6s%13ld%13ld%13ld\n", "Swap:", info.totalswap, |
| 60 | info.totalswap-info.freeswap, info.freeswap); |
| 61 | |
| 62 | printf("%6s%13ld%13ld%13ld\n", "Total:", info.totalram+info.totalswap, |
| 63 | (info.totalram-info.freeram)+(info.totalswap-info.freeswap), |
| 64 | info.freeram+info.freeswap); |
| 65 | #endif |
| 66 | return EXIT_SUCCESS; |
| 67 | } |
| 68 |