* gjavah.c (cxx_keyword_subst): Avoid potential infinite loop.

From-SVN: r33261

gcc/java/ChangeLog

+2000-04-19  Tom Tromey  <tromey@cygnus.com>
+
+	* gjavah.c (cxx_keyword_subst): Avoid potential infinite loop.
+
 2000-04-18  Alexandre Petit-Bianco  <apbianco@cygnus.com>
 
 	* parse.y (maybe_make_nested_class_name): Use `obstack_grow0'.

gcc/java/gjavah.c

@@ -407,12 +407,15 @@ cxx_keyword_subst (str, length)
 {
   int last = sizeof (cxx_keywords) / sizeof (const char *);
   int first = 0;
-  int mid, r;
+  int mid = (last + first) / 2;
+  int old = -1;
 
-  while (last != first)
+  for (mid = (last + first) / 2;
+       mid != old;
+       old = mid, mid = (last + first) / 2)
     {
-      mid = (last + first) / 2;
-      r = utf8_cmp (str, length, cxx_keywords[mid]);
+      int r = utf8_cmp (str, length, cxx_keywords[mid]);
+
       if (r == 0)
 	{
 	  char *str = xmalloc (9 + strlen (cxx_keywords[mid]));