* nis/nss_nisplus/nisplus-network.c (_nss_nisplus_parse_netent):

* nis/nss_nisplus/nisplus-hosts.c (_nss_nisplus_parse_hostent):
	Likewise.
This commit is contained in:
Ulrich Drepper 2006-04-15 17:11:28 +00:00
parent 840094b5f4
commit f514f94584
2 changed files with 37 additions and 33 deletions

View File

@ -1,7 +1,9 @@
2006-04-15 Ulrich Drepper <drepper@redhat.com>
* nis/nss_nisplus/nisplus-hosts.c (_nss_nisplus_parse_hostent):
* nis/nss_nisplus/nisplus-network.c (_nss_nisplus_parse_netent):
Significant cleanups. Correct adjustment for pointer array.
* nis/nss_nisplus/nisplus-hosts.c (_nss_nisplus_parse_hostent):
Likewise.
2006-04-14 Ulrich Drepper <drepper@redhat.com>

View File

@ -36,11 +36,11 @@ static nis_result *result;
static nis_name tablename_val;
static u_long tablename_len;
#define NISENTRYVAL(idx,col,res) \
((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_val)
#define NISENTRYVAL(idx, col, res) \
(NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_val)
#define NISENTRYLEN(idx,col,res) \
((res)->objects.objects_val[(idx)].EN_data.en_cols.en_cols_val[(col)].ec_value.ec_value_len)
#define NISENTRYLEN(idx, col, res) \
(NIS_RES_OBJECT (res)[idx].EN_data.en_cols.en_cols_val[col].ec_value.ec_value_len)
static int
@ -54,10 +54,10 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
return 0;
if ((result->status != NIS_SUCCESS && result->status != NIS_S_SUCCESS)
|| __type_of (result->objects.objects_val) != NIS_ENTRY_OBJ
|| strcmp (result->objects.objects_val[0].EN_data.en_type,
|| __type_of (NIS_RES_OBJECT (result)) != NIS_ENTRY_OBJ
|| strcmp (NIS_RES_OBJECT (result)[0].EN_data.en_type,
"networks_tbl") != 0
|| result->objects.objects_val[0].EN_data.en_cols.en_cols_len < 3)
|| NIS_RES_OBJECT (result)[0].EN_data.en_cols.en_cols_len < 3)
return 0;
if (NISENTRYLEN (0, 0, result) >= room_left)
@ -72,39 +72,45 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
NISENTRYLEN (0, 0, result));
first_unused[NISENTRYLEN (0, 0, result)] = '\0';
network->n_name = first_unused;
room_left -= (strlen (first_unused) +1);
first_unused += strlen (first_unused) +1;
size_t len = strlen (first_unused) + 1;
room_left -= len;
first_unused += len;
network->n_addrtype = 0;
network->n_net = inet_network (NISENTRYVAL (0, 2, result));
char *p = first_unused;
char *line = p;
for (unsigned int i = 0; i < result->objects.objects_len; ++i)
/* XXX Rewrite at some point to allocate the array first and then
copy the strings. It wasteful to first concatenate the strings
to just split them again later. */
char *line = first_unused;
for (unsigned int i = 0; i < NIS_RES_NUMOBJ (result); ++i)
{
if (strcmp (NISENTRYVAL (i, 1, result), network->n_name) != 0)
{
if (NISENTRYLEN (i, 1, result) + 2 > room_left)
goto no_more_room;
*p++ = ' ';
p = __stpncpy (p, NISENTRYVAL (i, 1, result),
NISENTRYLEN (i, 1, result));
*p = '\0';
*first_unused++ = ' ';
first_unused = __stpncpy (first_unused, NISENTRYVAL (i, 1, result),
NISENTRYLEN (i, 1, result));
room_left -= (NISENTRYLEN (i, 1, result) + 1);
}
}
*p++ = '\0';
first_unused = p;
*first_unused++ = '\0';
/* Adjust the pointer so it is aligned for
storing pointers. */
first_unused += __alignof__ (char *) - 1;
first_unused -= ((first_unused - (char *) 0) % __alignof__ (char *));
network->n_aliases = (char **) first_unused;
if (room_left < 2 * sizeof (char *))
size_t adjust = ((__alignof__ (char *)
- (first_unused - (char *) 0) % __alignof__ (char *))
% __alignof__ (char *));
if (room_left < adjust + sizeof (char *))
goto no_more_room;
room_left -= (2 * sizeof (char *));
network->n_aliases[0] = NULL;
first_unused += adjust;
room_left -= adjust;
network->n_aliases = (char **) first_unused;
/* For the terminating NULL pointer. */
room_left -= sizeof (char *);
unsigned int i = 0;
while (*line != '\0')
@ -120,24 +126,20 @@ _nss_nisplus_parse_netent (nis_result *result, struct netent *network,
goto no_more_room;
room_left -= sizeof (char *);
network->n_aliases[i] = line;
network->n_aliases[i++] = line;
while (*line != '\0' && *line != ' ')
++line;
if (*line == ' ')
{
*line = '\0';
++line;
++i;
}
else
network->n_aliases[i + 1] = NULL;
*line++ = '\0';
}
network->n_aliases[i] = NULL;
return 1;
}
static enum nss_status
_nss_create_tablename (int *errnop)
{