Reintroduce a patch for a bug that has been lost between version 1.2 and 1.3

of the vsprintf module.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1372 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/common/vsprintf.s

@@ -152,10 +152,13 @@ _vsprintf:
 	tya
 	sta	(ptr1),y
 
-; Return the number of bytes written.
+; Return the number of bytes written. The carry is clear here because of the
-
+; last addition which will never overflow for sane code.
-    	lda	outdesc		; ccount
-    	ldx	outdesc+1
-	rts
 
+        lda     outdesc         ; ccount
+        ldx     outdesc+1
+        adc     #1              ; Account for terminator
+        bcc     @L9
+        inx
+@L9:    rts