RESENT with patch ... Re: [RFC] Consistent numeric range for "expr" on all architectures

[David Schultz]

On Thu, Jun 30, 2011, Stefan Esser wrote:
>  int
> +is_integer(const char *s)
> +{
> +	if (*s == '-')
> +		s++;
> +	while (isdigit(*s))
> +		s++;
> +	return *s == '\0';
> +}

I only glanced at the patch for a few seconds, but your
is_integer() routine will accept a bare minus sign ("-") as an
integer.