Re: type text in c functions

"Robert Wimmer" <seppwimmer@xxxxxxxxxxx> writes:
>   text *t = PG_GETARG_TEXT_P(0);

>   l = VARSIZE(t) - VARHDRSZ;

>   for (i = 0; i < l; i++) { if ( (t->vl_dat[i] < '0') || (t->vl_dat[i] > 
> '9')) break; }

>   if (i==l) ret = 0;
>   else ret = i;

I think you need to rethink your return convention --- success and
failure at the first character both return 0.

Directly using the vl_dat field doesn't seem like good style (you won't
find it anywhere in the backend sources) but it works.

                        regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 3: if posting/reading through Usenet, please send an appropriate
      subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your
      message can get through to the mailing list cleanly