Re: Feature request: ${(l[-3][0])var} to do left padding *without truncation*

[Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>]

On Sat, Aug 3, 2024 at 1:31 PM Stephane Chazelas <stephane@xxxxxxxxxxxx> wrote:
>
>                     num = get_intarg(&s, &dellen);
>                     if (num < 0)
>                         goto flagerr;
>
> So it looks like it was intended at some point for it to be an error for the
> number to be negative

A closer examination of get_intarg() indicates that a negative return
means a parse error, not that the argument examined is allowed to be
negative.  E.g.:

    char *t = get_strarg(*s, &arglen);
    ...
    if (!*t)
        return -1;