Implement a proper block layer with partition support.

[pintos-anon] / src / lib / stdio.c

diff --git a/src/lib/stdio.c b/src/lib/stdio.c
index af80e51e527efc00897eae04ca6fe6642fd89d1b..8927c50555d9993ae1ac952e21bc3fe7deb93f7e 100644 (file)
--- a/src/lib/stdio.c
+++ b/src/lib/stdio.c
@@ -635,3 +635,21 @@ hex_dump (uintptr_t ofs, const void *buf_, size_t size, bool ascii)
       size -= n;
     }
 }
+
+/* Prints SIZE, which represents a number of bytes, in a
+   human-readable format, e.g. "256 kB". */
+void
+print_human_readable_size (uint64_t size) 
+{
+  if (size == 1)
+    printf ("1 byte");
+  else 
+    {
+      static const char *factors[] = {"bytes", "kB", "MB", "GB", "TB", NULL};
+      const char **fp;
+
+      for (fp = factors; size >= 1024 && fp[1] != NULL; fp++)
+        size /= 1024;
+      printf ("%"PRIu64" %s", size, *fp);
+    }
+}