Re: [PATCH 3/3] symbol.c: Set correct size of array from parenthesized string initializer

[Christopher Li <sparse@chrisli.org>]

On 05/16/2013 12:44 PM, Ramsay Jones wrote:

> diff --git a/validation/init-char-array1.c b/validation/init-char-array1.c
> new file mode 100644
> index 0000000..7427702
> --- /dev/null
> +++ b/validation/init-char-array1.c
> @@ -0,0 +1,25 @@
> +/*
> + * for array of char, ("...") as the initializer is an gcc language
> + * extension. check that a parenthesized string initializer is handled
> + * correctly and that -Wparen-string warns about it's use.
> + */
> +static const char u[] = ("hello");
> +static const char v[] = {"hello"};
> +static const char w[] = "hello";
> +static const char x[5] = "hello";

That seems not complete. I haven't found the official gcc rules
about parenthesized string. I just try the following forms and
gcc takes it.

char x1[] = { ("hello") };
char x2[] = { (("hello")) };

I guess the rules is that parenthesized string can appear in
any place where string was allowed.

Chris