Added convenient check for zeroes in check_all_args with the bit

BIT_ZERO.

Rev: src/module_support.c:1.53

src/module_support.c

@@ -2,7 +2,7 @@
 || This file is part of Pike. For copyright information see COPYRIGHT.
 || Pike is distributed under GPL, LGPL and MPL. See the file COPYING
 || for more information.
-|| $Id: module_support.c,v 1.52 2003/02/17 07:56:03 mirar Exp $
+|| $Id: module_support.c,v 1.53 2003/06/05 14:56:53 mast Exp $
 */
 
 #include "global.h"
@@ -18,7 +18,7 @@
 
 #define sp Pike_sp
 
-RCSID("$Id: module_support.c,v 1.52 2003/02/17 07:56:03 mirar Exp $");
+RCSID("$Id: module_support.c,v 1.53 2003/06/05 14:56:53 mast Exp $");
 
 /* Checks that args_to_check arguments are OK.
  * Returns 1 if everything worked ok, zero otherwise.
@@ -45,7 +45,9 @@ static int va_check_args(struct svalue *s,
       }
     }
 
-    if (!((1UL << s[res->argno].type) & res->expected))
+    if (!((1UL << s[res->argno].type) & res->expected) &&
+	!(res->expected & BIT_ZERO &&
+	  s[res->argno].type == T_INT && s[res->argno].u.integer == 0))
     {
       res->got = DO_NOT_WARN((unsigned char)s[res->argno].type);
       res->error_type = ERR_BAD_ARG;
@@ -79,7 +81,7 @@ PMOD_EXPORT int check_args(int args, ...)
   return tmp.argno+1;
 }
 
-/* This function generates errors if any of the minargs first arguments
+/* This function generates errors if any of the args first arguments
  * is not OK.
  */
 PMOD_EXPORT void check_all_args(const char *fnname, int args, ... )