in digits(), return the proper number of digits when n is exactly 10,

and simplify it to use a for loop instead of a while loop


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3674 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -375,6 +375,9 @@ CVS code -
 	- Unconditionally blank the statusbar as soon as we're finished
 	  getting input. (DLR, suggested by Benno Schulenberg)
 - utils.c:
+  digits()
+	- Return the proper number of digits when n is exactly 10. (DLR)
+	- Simplify to use a for loop instead of a while loop. (DLR)
   ngetdelim()
 	- Set errno to EINVAL if stream is not a valid file stream.
 	  This matches the manual page. (DLR)

src/utils.c

@@ -33,12 +33,10 @@
 /* Return the number of decimal digits in n. */
 int digits(size_t n)
 {
-    int i = 1;
+    int i;
 
-    while (n > 10) {
+    for (i = 1; n >= 10; n /= 10, i++)
-	n /= 10;
+	;
-	i++;
-    }
 
     return i;
 }