The passwd.adjunct.byname table will not be used to fill in password fields
in the passwd.byname replies. Instead it is used to synthesize the
shadow.byname table, should it be missing. This is a useful mode in some
installations involving Solaris.
* nis/nss: Document SETENT_BATCH_READ.
* nis/libnsl.h: Define NSS_FLAG_SETENT_BATCH_READ.
* nis/nss_nis/nis-service.c (saveit): Don't add NUL byte if the
string is already NUL terminated.
(internal_nis_endservent): No need to return anything. Change callers.
(internal_nis_setservent): One more initialization.
* nis/nss_nis/nis-pwd.c: Support SETENT_BATCH_READ option.
* nis/nss_nis/nis-grp.c: Likewise.
* nis/nss-default.c (init): Rewrite parser to get the variables
