X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=src%2Fmisc.c;h=55bedd2b2c901669ff4025feadbb2fd338984831;hb=f319c5575b7b98776a778e00b009f17e9814a71c;hp=2ba52a38ae58fd935de74e9c13662184a2a52c90;hpb=5c35fdb275b519373e6eb34621d956d09a52bf31;p=chaz%2Ftar

diff --git a/src/misc.c b/src/misc.c
index 2ba52a3..55bedd2 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -206,6 +206,40 @@ unquote_string (char *string)
   return result;
 }
 
+/* Handling numbers.  */
+
+/* Output fraction and trailing digits appropriate for a nanoseconds
+   count equal to NS, but don't output unnecessary '.' or trailing
+   zeros.  */
+
+void
+code_ns_fraction (int ns, char *p)
+{
+  if (ns == 0)
+    *p = '\0';
+  else
+    {
+      int i = 9;
+      *p++ = '.';
+
+      while (ns % 10 == 0)
+	{
+	  ns /= 10;
+	  i--;
+	}
+
+      p[i] = '\0';
+
+      for (;;)
+	{
+	  p[--i] = '0' + ns % 10;
+	  if (i == 0)
+	    break;
+	  ns /= 10;
+	}
+    }
+}
+
 /* File handling.  */
 
 /* Saved names in case backup needs to be undone.  */