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Diffstat (limited to 'nis/nss_nis/nis-netgrp.c')
-rw-r--r--nis/nss_nis/nis-netgrp.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/nis/nss_nis/nis-netgrp.c b/nis/nss_nis/nis-netgrp.c
index 5a88b72d9c..d339dd5097 100644
--- a/nis/nss_nis/nis-netgrp.c
+++ b/nis/nss_nis/nis-netgrp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996,1997,1999,2000,2002,2003,2004,2005,2006
+/* Copyright (C) 1996,1997,1999,2000,2002,2003,2004
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -41,37 +41,41 @@ _nss_netgroup_parseline (char **cursor, struct __netgrent *netgrp,
static void
internal_nis_endnetgrent (struct __netgrent *netgrp)
{
- free (netgrp->data);
- netgrp->data = NULL;
- netgrp->data_size = 0;
- netgrp->cursor = NULL;
+ if (netgrp->data != NULL)
+ {
+ free (netgrp->data);
+ netgrp->data = NULL;
+ netgrp->data_size = 0;
+ netgrp->cursor = NULL;
+ }
}
-
enum nss_status
_nss_nis_setnetgrent (const char *group, struct __netgrent *netgrp)
{
+ char *domain;
int len;
enum nss_status status;
status = NSS_STATUS_SUCCESS;
- if (__builtin_expect (group == NULL || group[0] == '\0', 0))
+ if (group == NULL || group[0] == '\0')
return NSS_STATUS_UNAVAIL;
- char *domain;
- if (__builtin_expect (yp_get_default_domain (&domain), 0))
+ if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
+ internal_nis_endnetgrent (netgrp);
+
status = yperr2nss (yp_match (domain, "netgroup", group, strlen (group),
&netgrp->data, &len));
- if (__builtin_expect (status == NSS_STATUS_SUCCESS, 1))
+ if (status == NSS_STATUS_SUCCESS)
{
/* Our implementation of yp_match already allocates a buffer
which is one byte larger than the value in LEN specifies
and the last byte is filled with NUL. So we can simply
use that buffer. */
- assert (len >= 0);
+ assert (len > 0);
assert (malloc_usable_size (netgrp->data) >= len + 1);
assert (netgrp->data[len] == '\0');
@@ -91,11 +95,13 @@ _nss_nis_endnetgrent (struct __netgrent *netgrp)
return NSS_STATUS_SUCCESS;
}
-
enum nss_status
_nss_nis_getnetgrent_r (struct __netgrent *result, char *buffer, size_t buflen,
int *errnop)
{
+ if (result->cursor == NULL)
+ return NSS_STATUS_NOTFOUND;
+
return _nss_netgroup_parseline (&result->cursor, result, buffer, buflen,
errnop);
}