Re: [bug-gnulib] Fixing argp doc strings

[Bruno Haible]

Sergey Poznyakoff wrote:
> !           inp_text = __strndup (argp->doc, inp_text_len);
> !         }
> !     }
> !       else
> !     inp_text = post ? 0 : argp->doc;
> !       trans_text = dgettext (argp->argp_domain, inp_text);

In either case of the 'if' branch, inp_text can end up being NULL.
But it is not allowed to pass a NULL string argument to dgettext.
The GNU gettext manual says (for gettext):

   If the argument is `NULL' the result is undefined.

Bruno