[PATCH] Fix libdecnumber bootstrap on Tru64 (part 2)

[Richard Earnshaw]

On Tue, 2005-12-20 at 18:01, Roger Sayle wrote:
> On 20 Dec 2005, Gabriel Dos Reis wrote:
> > | Many thanks.  Here's the cast to int solution that I committed:
> >
> > I think this solution is wrong.
> 
> Doh!
> 
> There's also a third possibility, an alternative implementation that
> avoids the use of <ctype.h> functions completely, by observing that
> this function has two calls, both of which test against a constant
> reference string, one being a prefix of the other.
> 
> static Flag
> decStrEqInf (const char *str)
> {
>   if ((str[0] != 'I' && str[0] != 'i')
>       || (str[1] != 'N' && str[1] != 'n')
>       || (str[2] != 'F' && str[2] != 'f'))
>     return 0;
> 
>   if (str[3] == '\0')
>     return 1;
> 
>   return (str[3] == 'I' || str[3] == 'i')
>          && (str[4] == 'N' || str[4] == 'n')
>          && (str[5] == 'I' || str[5] == 'i')
>          && (str[6] == 'T' || str[6] == 't')
>          && (str[7] == 'Y' || str[7] == 'y')
>          && str[8] == '\0';
> }
> 
> 
> Which has the benefit of being both faster and more portable?

Or just use strcasecmp which is in libiberty :-)

R.