Why this strange change?

[Ulrich Drepper]

hjl@lucon.org (H.J. Lu) writes:

> Your change
> 
> 1999-06-17  Ulrich Drepper  <drepper@cygnus.com>
> 
>         * nss/getXXbyYY_r.c: Return error code not -1. 
>         * nss/getXXent_r.c: Likewise.
> 
> breaks glibc and Linux very badly. Any codes like
> 
> 	if (getXXbyYY_r (......) < 0)
> 
> now don't work anymore since now getXXbyYY_r () returns errno which is
> a positive number. Did you mean to return NAGATIVE of the error code?

Because this is the correct behaviour.  See POSIX.

User code must only test for != 0.

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