in digits(), remove the assumption that n is always positive, although

it always is in this particular case


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3842 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -155,6 +155,10 @@ CVS code -
   execute_command()
 	- Remove the marking of the file as modified, as do_insertfile()
 	  now handles that. (DLR)
+- utils.c:
+  digits()
+	- Tweak to remove the assumption that n is always positive,
+	  although it always is in this particular case. (DLR)
 - winio.c:
   parse_kbinput()
 	- Properly handle combined meta and escape sequences, so that

src/utils.c

@@ -35,8 +35,12 @@ int digits(size_t n)
 {
     int i;
 
-    for (i = 1; n >= 10; n /= 10, i++)
-	;
+    if (n == 0)
+	i = 1;
+    else {
+	for (i = 0; n != 0; n /= 10, i++)
+	    ;
+    }
 
     return i;
 }