+Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (check_format_info): Avoid non-literal format string
+ warnings when `first_arg_num' is zero.
+
Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
* rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
{
/* The user may get multiple warnings if the supplied argument
isn't even a string pointer. */
- warning ("format not a string literal, argument types not checked");
+ /* Functions taking a va_list normally pass a non-literal format
+ string. These functions typically are declared with
+ first_arg_num == 0, so avoid warning in those cases. */
+ if (info->first_arg_num != 0)
+ warning ("format not a string literal, argument types not checked");
return;
}
format_tree = TREE_OPERAND (format_tree, 0);
{
/* The user may get multiple warnings if the supplied argument
isn't even a string pointer. */
- warning ("format not a string literal, argument types not checked");
+ /* Functions taking a va_list normally pass a non-literal format
+ string. These functions typically are declared with
+ first_arg_num == 0, so avoid warning in those cases. */
+ if (info->first_arg_num != 0)
+ warning ("format not a string literal, argument types not checked");
return;
}
format_chars = TREE_STRING_POINTER (format_tree);