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Update.
2001-06-07 Mark Kettenis <kettenis@gnu.org> * grp/initgroups.c (initgroups): Factor out re-usable code into... (internal_getgrouplist): ... new function. (getgrouplist): New function. * grp/grp.h (getgrouplist): New prototype. * grp/Versions [2.2.4]: Add getgrouplist. 2001-06-16 Ulrich Drepper <drepper@redhat.com> * inet/netinet/ip6.h: Fix comments in ip6_hdr. Patch by Pekka Savola <pekkas@netcore.fi>.
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Ulrich Drepper
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13
ChangeLog
13
ChangeLog
@ -1,3 +1,16 @@
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2001-06-07 Mark Kettenis <kettenis@gnu.org>
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* grp/initgroups.c (initgroups): Factor out re-usable code into...
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(internal_getgrouplist): ... new function.
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(getgrouplist): New function.
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* grp/grp.h (getgrouplist): New prototype.
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* grp/Versions [2.2.4]: Add getgrouplist.
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2001-06-16 Ulrich Drepper <drepper@redhat.com>
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* inet/netinet/ip6.h: Fix comments in ip6_hdr.
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Patch by Pekka Savola <pekkas@netcore.fi>.
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2001-06-15 Roland McGrath <roland@frob.com>
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* rt/Makefile (aio-routines, clock-routines, timer-routines): New
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5
NEWS
5
NEWS
@ -1,4 +1,4 @@
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GNU C Library NEWS -- history of user-visible changes. 2001-4-20
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GNU C Library NEWS -- history of user-visible changes. 2001-6-16
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Copyright (C) 1992-2000, 2001 Free Software Foundation, Inc.
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See the end for copying conditions.
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@ -10,6 +10,9 @@ Version 2.2.4
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* Stephen Moshier implemented cosh, expm1, log1p, acos, sinh for the
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128-bit long double format.
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* Bruno Haible updated all the code handling Unicode in some form to
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support Unicode 3.1.
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Version 2.2.3
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@ -24,4 +24,8 @@ libc {
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# g*
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getgrent_r; getgrgid_r; getgrnam_r;
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}
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GLIBC_2.2.4 {
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# g*
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getgrouplist;
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}
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}
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@ -1,4 +1,4 @@
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/* Copyright (C) 1991,92,95,96,97,98,99,2000 Free Software Foundation, Inc.
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/* Copyright (C) 1991,92,95,96,97,98,99,2000,01 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -136,6 +136,12 @@ extern int fgetgrent_r (FILE *__restrict __stream,
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/* Set the group set for the current user to GROUPS (N of them). */
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extern int setgroups (size_t __n, __const __gid_t *__groups) __THROW;
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/* Store at most *NGROUPS members of the group set for USER into
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*GROUPS. Also include GROUP. The actual number of groups found is
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returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */
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extern int getgrouplist (__const char *__user, __gid_t __group,
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__gid_t *__groups, int *__ngroups) __THROW;
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/* Initialize the group set for the current user
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by reading the group database and using all groups
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of which USER is a member. Also include GROUP. */
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141
grp/initgroups.c
141
grp/initgroups.c
@ -136,13 +136,96 @@ compat_call (service_user *nip, const char *user, gid_t group, long int *start,
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return NSS_STATUS_SUCCESS;
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}
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static int
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internal_getgrouplist (const char *user, gid_t group, long int *size,
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gid_t **groupsp, long int limit)
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{
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service_user *nip = NULL;
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initgroups_dyn_function fct;
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enum nss_status status = NSS_STATUS_UNAVAIL;
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int no_more;
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/* Start is one, because we have the first group as parameter. */
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long int start = 1;
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*groupsp[0] = group;
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if (__nss_group_database != NULL)
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{
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no_more = 0;
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nip = __nss_group_database;
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}
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else
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no_more = __nss_database_lookup ("group", NULL,
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"compat [NOTFOUND=return] files", &nip);
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while (! no_more)
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{
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fct = __nss_lookup_function (nip, "initgroups_dyn");
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if (fct == NULL)
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{
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status = compat_call (nip, user, group, &start, size, groupsp,
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limit, &errno);
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if (nss_next_action (nip, NSS_STATUS_UNAVAIL) != NSS_ACTION_CONTINUE)
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break;
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}
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else
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status = DL_CALL_FCT (fct, (user, group, &start, size, groupsp,
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limit, &errno));
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/* This is really only for debugging. */
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if (NSS_STATUS_TRYAGAIN > status || status > NSS_STATUS_RETURN)
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__libc_fatal ("illegal status in " __FUNCTION__);
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if (status != NSS_STATUS_SUCCESS
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&& nss_next_action (nip, status) == NSS_ACTION_RETURN)
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break;
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if (nip->next == NULL)
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no_more = -1;
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else
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nip = nip->next;
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}
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return start;
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}
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/* Store at most *NGROUPS members of the group set for USER into
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*GROUPS. Also include GROUP. The actual number of groups found is
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returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */
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int
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getgrouplist (const char *user, gid_t group, gid_t *groups, int *ngroups)
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{
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gid_t *newgroups;
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long int size = *ngroups;
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int result;
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newgroups = (gid_t *) malloc (size * sizeof (gid_t));
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if (__builtin_expect (newgroups == NULL, 0))
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/* No more memory. */
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return -1;
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result = internal_getgrouplist (user, group, &size, &newgroups, -1);
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if (result > *ngroups)
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{
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*ngroups = result;
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result = -1;
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}
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else
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*ngroups = result;
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memcpy (groups, newgroups, *ngroups * sizeof (gid_t));
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free (newgroups);
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return result;
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}
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/* Initialize the group set for the current user
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by reading the group database and using all groups
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of which USER is a member. Also include GROUP. */
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int
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initgroups (user, group)
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const char *user;
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gid_t group;
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initgroups (const char *user, gid_t group)
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{
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#if defined NGROUPS_MAX && NGROUPS_MAX == 0
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@ -151,14 +234,9 @@ initgroups (user, group)
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#else
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service_user *nip = NULL;
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initgroups_dyn_function fct;
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enum nss_status status = NSS_STATUS_UNAVAIL;
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int no_more;
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/* Start is one, because we have the first group as parameter. */
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long int start = 1;
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long int size;
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gid_t *groups;
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int ngroups;
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int result;
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/* We always use sysconf even if NGROUPS_MAX is defined. That way, the
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@ -179,51 +257,12 @@ initgroups (user, group)
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/* No more memory. */
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return -1;
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groups[0] = group;
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if (__nss_group_database != NULL)
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{
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no_more = 0;
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nip = __nss_group_database;
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}
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else
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no_more = __nss_database_lookup ("group", NULL,
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"compat [NOTFOUND=return] files", &nip);
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while (! no_more)
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{
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fct = __nss_lookup_function (nip, "initgroups_dyn");
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if (fct == NULL)
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{
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status = compat_call (nip, user, group, &start, &size, &groups,
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limit, &errno);
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if (nss_next_action (nip, NSS_STATUS_UNAVAIL) != NSS_ACTION_CONTINUE)
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break;
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}
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else
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status = DL_CALL_FCT (fct, (user, group, &start, &size, &groups,
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limit, &errno));
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/* This is really only for debugging. */
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if (NSS_STATUS_TRYAGAIN > status || status > NSS_STATUS_RETURN)
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__libc_fatal ("illegal status in " __FUNCTION__);
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if (status != NSS_STATUS_SUCCESS
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&& nss_next_action (nip, status) == NSS_ACTION_RETURN)
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break;
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if (nip->next == NULL)
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no_more = -1;
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else
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nip = nip->next;
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}
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ngroups = internal_getgrouplist (user, group, &size, &groups, limit);
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/* Try to set the maximum number of groups the kernel can handle. */
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do
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result = setgroups (start, groups);
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while (result == -1 && errno == EINVAL && --start > 0);
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result = setgroups (ngroups, groups);
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while (result == -1 && errno == EINVAL && --ngroups > 0);
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free (groups);
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@ -1,4 +1,4 @@
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/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
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/* Copyright (C) 1991-1997, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -28,12 +28,13 @@ struct ip6_hdr
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{
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struct ip6_hdrctl
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{
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uint32_t ip6_un1_flow; /* 24 bits of flow-ID */
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uint32_t ip6_un1_flow; /* 4 bits version, 8 bits TC,
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20 bits flow-ID */
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uint16_t ip6_un1_plen; /* payload length */
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uint8_t ip6_un1_nxt; /* next header */
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uint8_t ip6_un1_hlim; /* hop limit */
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} ip6_un1;
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uint8_t ip6_un2_vfc; /* 4 bits version, 4 bits priority */
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uint8_t ip6_un2_vfc; /* 4 bits version, top 4 bits tclass */
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} ip6_ctlun;
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struct in6_addr ip6_src; /* source address */
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struct in6_addr ip6_dst; /* destination address */
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@ -1,3 +1,10 @@
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2001-03-23 Matthew Wilcox <willy@ldl.fc.hp.com>
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* attr.c: Make _STACK_GROWS_UP work.
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* internals.h: Likewise.
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* manager.c: Likewise.
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* pthread.c: Likewise.
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2001-06-15 H.J. Lu <hjl@gnu.org>
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* pthread.c (__pthread_reset_main_thread): Fix a typo.
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