X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pintos-anon;a=blobdiff_plain;f=src%2Flib%2Fstdio.c;h=8927c50555d9993ae1ac952e21bc3fe7deb93f7e;hp=baefaf0eda12774b36b2aa0eddeb6ad0f87ad20b;hb=a03618133f7df0954802a470a4bee7674f7aed45;hpb=a7f3ab1350076b71020f6fa859a9b2543a12f6e5

diff --git a/src/lib/stdio.c b/src/lib/stdio.c
index baefaf0..8927c50 100644
--- a/src/lib/stdio.c
+++ b/src/lib/stdio.c
@@ -463,7 +463,7 @@ parse_conversion (const char *format, struct printf_conversion *c,
    auxiliary data AUX.  The integer converted has absolute value
    VALUE.  If IS_SIGNED is true, does a signed conversion with
    NEGATIVE indicating a negative value; otherwise does an
-   unsigned conversion and ignores IS_SIGNED.  The output is done
+   unsigned conversion and ignores NEGATIVE.  The output is done
    according to the provided base B.  Details of the conversion
    are in C. */
 static void
@@ -515,7 +515,7 @@ format_integer (uintmax_t value, bool is_signed, bool negative,
   /* Append enough zeros to match precision.
      If requested precision is 0, then a value of zero is
      rendered as a null string, otherwise as "0".
-     If the # flag is used with base 0, the result must always
+     If the # flag is used with base 8, the result must always
      begin with a zero. */
   precision = c->precision < 0 ? 1 : c->precision;
   while (cp - buf < precision && cp < buf + sizeof buf - 1)
@@ -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);
+    }
+}