[libiberty and gdb] floatformat_is_valid

[Andrew Cagney]

> On Mon, Sep 15, 2003 at 04:54:17PM -0400, Andrew Cagney wrote:
> 
>> >+/* Return non-zero iff the data at FROM is a valid number in format FMT.  
>> >*/
>> >+
>> >+int
>> >+floatformat_is_valid (fmt, from)
>> >+     const struct floatformat *fmt;
>> >+     char *from;
>> >+{
> 
>> 
>> Shouldn't this be a new virtual method in floatformat?

The attached implements this.  Any objections?

> Floatformats don't have any virtual methods right now; if you want to
> add them, be my guest.  Besides, this is more in line with the
> libiberty policy of backwards compatibility, since it does not change
> the structure layout.

There didn't seem to be a problem when "name" was added, or arm_ext was 
deleted.

enjoy,
Andrew

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