Portability fix in lib/inttostr.c.

[pspp] / lib / inttostr.c

diff --git a/lib/inttostr.c b/lib/inttostr.c
index 4ba71f5582339f6847259ef6b73a076c8aa93501..7a4a47f5f67e42e2ec035f5031940b2354d57b57 100644 (file)
--- a/lib/inttostr.c
+++ b/lib/inttostr.c
@@ -1,6 +1,6 @@
 /* inttostr.c -- convert integers to printable strings
 
-   Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,6 +20,7 @@
 #include <config.h>
 
 #include "inttostr.h"
+#include "verify.h"
 
 /* Convert I to a printable string in BUF, which must be at least
    INT_BUFSIZE_BOUND (INTTYPE) bytes long.  Return the address of the
@@ -28,21 +29,24 @@
 char *
 inttostr (inttype i, char *buf)
 {
+  verify (TYPE_SIGNED (inttype) == inttype_is_signed);
   char *p = buf + INT_STRLEN_BOUND (inttype);
   *p = 0;
 
+#if inttype_is_signed
   if (i < 0)
     {
       do
-       *--p = '0' - i % 10;
+        *--p = '0' - i % 10;
       while ((i /= 10) != 0);
 
       *--p = '-';
     }
   else
+#endif
     {
       do
-       *--p = '0' + i % 10;
+        *--p = '0' + i % 10;
       while ((i /= 10) != 0);
     }