am 09dd3e57: make df more readable (5833769d) · Commits · e / os / android_system_core

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");