Re: make test errata

[Chet Ramey]

On 12/14/24 6:18 AM, Martin D Kealey wrote:
> I'm trying to make sure that my modified version of Bash passes all the
> tests, and in the process I'm finding some, erm, oddities.
>
> Firstly, what seems to be a bug:
>
> Looking in tests/printf7.sub it has
> INT_MAX=$(getconf INT_MAX 2>/dev/null)
> [ -z "$INT_MAX" ] && INT_MAX=2147483647         # assume 32 bits
> TOOBIG=$(( $INT_MAX * 10 ))
>
> On systems where "int" and "long" are the same underlying type, this will
> simply set TOOBIG=-10, which then *doesn't* cause most of the intended
> failures.

Bash doesn't use `long' for arithmetic; it uses intmax_t. Systems that have
sizeof(int) == sizeof(long) == sizeof(intmax_t) == 4 are rare.

But I like your suggestion to avoid a multiply.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/