diff options
Diffstat (limited to 'free.c')
| -rw-r--r-- | free.c | 32 |
1 files changed, 25 insertions, 7 deletions
@@ -23,15 +23,33 @@ #include "internal.h" #include <stdio.h> +#include <sys/sysinfo.h> - -#if ! defined BB_FEATURE_USE_PROCFS -#error Sorry, I depend on the /proc filesystem right now. -#endif - +#define DIVISOR 1024 extern int free_main(int argc, char **argv) { - char *cmd[] = { "cat", "/proc/meminfo", "\0" }; + struct sysinfo info; + sysinfo(&info); + info.totalram/=DIVISOR; + info.freeram/=DIVISOR; + info.totalswap/=DIVISOR; + info.freeswap/=DIVISOR; + info.sharedram/=DIVISOR; + info.bufferram/=DIVISOR; + + + 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); - exit(cat_main(3, cmd)); + 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); } |