diff options
Diffstat (limited to 'newlib/libc/sys/linux/net/getnssent_r.c')
| -rw-r--r-- | newlib/libc/sys/linux/net/getnssent_r.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/newlib/libc/sys/linux/net/getnssent_r.c b/newlib/libc/sys/linux/net/getnssent_r.c deleted file mode 100644 index 517f19d02..000000000 --- a/newlib/libc/sys/linux/net/getnssent_r.c +++ /dev/null @@ -1,218 +0,0 @@ -/* Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <errno.h> -#include <netdb.h> -#include "nsswitch.h" - -/* Set up NIP to run through the services. If ALL is zero, use NIP's - current location if it's not nil. Return nonzero if there are no - services (left). */ -static int -setup (const char *func_name, db_lookup_function lookup_fct, - void **fctp, service_user **nip, service_user **startp, int all) -{ - int no_more; - if (*startp == NULL) - { - no_more = lookup_fct (nip, func_name, fctp); - *startp = no_more ? (service_user *) -1l : *nip; - } - else if (*startp == (service_user *) -1l) - /* No services at all. */ - return 1; - else - { - if (all || !*nip) - /* Reset to the beginning of the service list. */ - *nip = *startp; - /* Look up the first function. */ - no_more = __nss_lookup (nip, func_name, fctp); - } - return no_more; -} - -void -__nss_setent (const char *func_name, db_lookup_function lookup_fct, - service_user **nip, service_user **startp, - service_user **last_nip, int stayopen, int *stayopen_tmp, - int res) -{ - union - { - setent_function f; - void *ptr; - } fct; - int no_more; - - if (res && __res_maybe_init (&_res, 0) == -1) - { - h_errno = (NETDB_INTERNAL); - return; - } - - /* Cycle through the services and run their `setXXent' functions until - we find an available service. */ - no_more = setup (func_name, lookup_fct, &fct.ptr, nip, - startp, 1); - while (! no_more) - { - int is_last_nip = *nip == *last_nip; - enum nss_status status; - - if (stayopen_tmp) - status = DL_CALL_FCT (fct.f, (*stayopen_tmp)); - else - status = DL_CALL_FCT (fct.f, (0)); - - no_more = __nss_next (nip, func_name, &fct.ptr, - status, 0); - if (is_last_nip) - *last_nip = *nip; - } - - if (stayopen_tmp) - *stayopen_tmp = stayopen; -} - - -void -__nss_endent (const char *func_name, db_lookup_function lookup_fct, - service_user **nip, service_user **startp, - service_user **last_nip, int res) -{ - union - { - endent_function f; - void *ptr; - } fct; - int no_more; - - if (res && __res_maybe_init (&_res, 0) == -1) - { - h_errno = (NETDB_INTERNAL); - return; - } - - /* Cycle through all the services and run their endXXent functions. */ - no_more = setup (func_name, lookup_fct, &fct.ptr, nip, startp, 1); - while (! no_more) - { - /* Ignore status, we force check in __NSS_NEXT. */ - DL_CALL_FCT (fct.f, ()); - - if (*nip == *last_nip) - /* We have processed all services which were used. */ - break; - - no_more = __nss_next (nip, func_name, &fct.ptr, 0, 1); - } - *last_nip = *nip = NULL; -} - - -int -__nss_getent_r (const char *getent_func_name, - const char *setent_func_name, - db_lookup_function lookup_fct, - service_user **nip, service_user **startp, - service_user **last_nip, int *stayopen_tmp, int res, - void *resbuf, char *buffer, size_t buflen, - void **result, int *h_errnop) -{ - union - { - getent_function f; - void *ptr; - } fct; - int no_more; - enum nss_status status; - - if (res && __res_maybe_init (&_res, 0) == -1) - { - *h_errnop = NETDB_INTERNAL; - *result = NULL; - return errno; - } - - /* Initialize status to return if no more functions are found. */ - status = NSS_STATUS_NOTFOUND; - - /* Run through available functions, starting with the same function last - run. We will repeat each function as long as it succeeds, and then go - on to the next service action. */ - no_more = setup (getent_func_name, lookup_fct, &fct.ptr, nip, - startp, 0); - while (! no_more) - { - int is_last_nip = *nip == *last_nip; - - status = DL_CALL_FCT (fct.f, - (resbuf, buffer, buflen, &errno, &h_errno)); - - /* The the status is NSS_STATUS_TRYAGAIN and errno is ERANGE the - provided buffer is too small. In this case we should give - the user the possibility to enlarge the buffer and we should - not simply go on with the next service (even if the TRYAGAIN - action tells us so). */ - if (status == NSS_STATUS_TRYAGAIN - && (h_errnop == NULL || *h_errnop == NETDB_INTERNAL) - && errno == ERANGE) - break; - - do - { - no_more = __nss_next (nip, getent_func_name, &fct.ptr, - status, 0); - - if (is_last_nip) - *last_nip = *nip; - - if (! no_more) - { - /* Call the `setXXent' function. This wasn't done before. */ - union - { - setent_function f; - void *ptr; - } sfct; - - no_more = __nss_lookup (nip, setent_func_name, - &sfct.ptr); - - if (! no_more) - { - if (stayopen_tmp) - status = DL_CALL_FCT (sfct.f, (*stayopen_tmp)); - else - status = DL_CALL_FCT (sfct.f, (0)); - } - else - status = NSS_STATUS_NOTFOUND; - } - } - while (! no_more && status != NSS_STATUS_SUCCESS); - } - - *result = status == NSS_STATUS_SUCCESS ? resbuf : NULL; - return (status == NSS_STATUS_SUCCESS ? 0 - : status != NSS_STATUS_TRYAGAIN ? ENOENT - /* h_errno functions only set errno if h_errno is NETDB_INTERNAL. */ - : (h_errnop == NULL || *h_errnop == NETDB_INTERNAL) ? errno - : EAGAIN); -} |