cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0, before freeing argnames.

2000-04-04  Philippe De Muyter  <phdm@macqel.be>

	* cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
	before freeing argnames.
	* cpplib.c (do_ifndef): Cast return value of xstrdup.

From-SVN: r32924

gcc/ChangeLog

+2000-04-04  Philippe De Muyter  <phdm@macqel.be>
+
+	* cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
+	before freeing argnames.
+	* cpplib.c (do_ifndef): Cast return value of xstrdup.
+
 2000-04-05  Michael Meissner  <meissner@redhat.com>
 
 	* config/rs6000/rs6000.c (print_operand): Patch from Jonathan

gcc/cpphash.c

@@ -256,7 +256,7 @@ _cpp_free_definition (d)
       nextap = ap->next;
       free (ap);
     }
-  if (d->nargs >= 0)
+  if (d->argnames)
     free (d->argnames);
   free (d);
 }

gcc/cpplib.c

@@ -1309,7 +1309,7 @@ do_ifndef (pfile)
   skip = parse_ifdef (pfile, dtable[T_IFNDEF].name);
 
   if (start_of_file && !skip)
-    control_macro = xstrdup (CPP_PWRITTEN (pfile));
+    control_macro = (U_CHAR *) xstrdup (CPP_PWRITTEN (pfile));
 
   conditional_skip (pfile, skip, T_IFNDEF, control_macro);
   return 0;