shithub: gefs

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cons: show free space correctly in df

--- a/cons.c

+++ b/cons.c

@@ -207,11 +207,11 @@

 showdf(int fd, char**, int)

 {

 	char *units[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", nil};

-	vlong size, used;

-	double hsize, hused;

+	vlong size, used, free;

+	double hsize, hused, hfree;

 	double pct;

 	Arena *a;

-	int i, us, uu;

+	int i, us, uu, uf;

 	size = 0;

 	used = 0;

@@ -223,17 +223,21 @@

 		qunlock(a);

 		fprint(fd, "arena %d: %llx/%llx (%.2f%%)\n", i, a->used, a->size, 100*(double)a->used/(double)a->size);

 	}

+	free = size - used;

 	hsize = size;

 	hused = used;

+	hfree = free;

 	for(us = 0; us < nelem(units)-1 && hsize >= 500 ; us++)

 		hsize /= 1024;

 	for(uu = 0; uu < nelem(units)-1 && hused >= 500 ; uu++)

 		hused /= 1024;

+	for(uf = 0; uf < nelem(units)-1 && hfree >= 500 ; uf++)

+		hfree /= 1024;

 	pct = 100.0*(double)used/(double)size;

 	fprint(fd, "fill:\t%.2f%%\n", pct);

 	fprint(fd, "used:\t%lld (%.2f %s)\n", used, hused, units[uu]);

 	fprint(fd, "size:\t%lld (%.2f %s)\n", size, hsize, units[us]);

-	fprint(fd, "free:\t%lld (%.2f %s)\n", size-used, hsize, units[us]);

+	fprint(fd, "free:\t%lld (%.2f %s)\n", free, hfree, units[uf]);

 }

 void