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Commit 09dd3e57 authored by Brian Swetland's avatar Brian Swetland
Browse files

make df more readable 

Filesystem             Size   Used   Free   Blksize
/dev                   164M    32K   164M   4096
/system                442M   117M   325M   4096
/cache                 492M     8M   483M   4096
/data                  984M    59M   925M   4096
/mnt/sdcard             12G    27M    12G   32768

Change-Id: I9a84b7b84ae528ee5cf0b1e92a8bee032b87703b
parent 4012c0a4

toolbox/df.c

+24 −8
Original line number Diff line number Diff line
@@ -6,6 +6,21 @@ 


static int ok = EXIT_SUCCESS;



static void printsize(long long n)

{

    char unit = 'K';

    n /= 1024;

    if (n > 1024) {

        n /= 1024;

        unit = 'M';

    }

    if (n > 1024) {

        n /= 1024;

        unit = 'G';

    }

    printf("%4lld%c", n, unit);

}



static void df(char *s, int always) {

    struct statfs st;
@@ -15,17 +30,18 @@ static void df(char *s, int always) { 
    } else {

        if (st.f_blocks == 0 && !always)

            return;        



        printf("%s: %lldK total, %lldK used, %lldK available (block size %d)\n",

               s,

               ((long long)st.f_blocks * (long long)st.f_bsize) / 1024,

               ((long long)(st.f_blocks - (long long)st.f_bfree) * st.f_bsize) / 1024,

               ((long long)st.f_bfree * (long long)st.f_bsize) / 1024,

               (int) st.f_bsize);

        printf("%-20s  ", s);

        printsize((long long)st.f_blocks * (long long)st.f_bsize);

        printf("  ");

        printsize((long long)(st.f_blocks - (long long)st.f_bfree) * st.f_bsize);

        printf("  ");

        printsize((long long)st.f_bfree * (long long)st.f_bsize);

        printf("   %d\n", (int) st.f_bsize);

    }

}



int df_main(int argc, char *argv[]) {

    printf("Filesystem             Size   Used   Free   Blksize\n");

    if (argc == 1) {

        char s[2000];

        FILE *f = fopen("/proc/mounts", "r");