Copyright (c) 1991, 1993
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@(#)getgrouplist.3 8.1 (Berkeley) 6/9/93
$FreeBSD: src/lib/libc/gen/getgrouplist.3,v 1.9 2007/01/09 00:27:53 imp Exp $
@APPLE_LICENSE_HEADER_START@
Portions Copyright (c) 2003-2013 Apple Inc. All Rights Reserved.
This file contains Original Code and/or Modifications of Original Code
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Version 2.0 (the 'License'). You may not use this file except in
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.Dd June 9, 1993 .Dt GETGROUPLIST 3 .Os .Sh NAME .Nm getgrouplist .Nd calculate partial group access list .Sh LIBRARY Standard system libraries. .Sh SYNOPSIS n unistd.h .Ft int .Fn getgrouplist "const char *name" "int basegid" "int *groups" "int *ngroups" .Fn getgrouplist "const char *name" "gid_t basegid" "gid_t *groups" "int *ngroups"
.Sh DESCRIPTION The .Fn getgrouplist function obtains information from .Xr opendirectoryd 8 to construct the group access list for the user specified in .Fa name . The .Fa basegid is automatically included in the groups list. Typically this value is given as the default group number from the user's account record.
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
4. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
@(#)getgrouplist.3 8.1 (Berkeley) 6/9/93
$FreeBSD: src/lib/libc/gen/getgrouplist.3,v 1.9 2007/01/09 00:27:53 imp Exp $
@APPLE_LICENSE_HEADER_START@
Portions Copyright (c) 2003-2013 Apple Inc. All Rights Reserved.
This file contains Original Code and/or Modifications of Original Code
as defined in and that are subject to the Apple Public Source License
Version 2.0 (the 'License'). You may not use this file except in
compliance with the License. Please obtain a copy of the License at
http://www.opensource.apple.com/apsl/ and read it before using this
file.
The Original Code and all software distributed under the License are
distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
Please see the License for the specific language governing rights and
limitations under the License.
@APPLE_LICENSE_HEADER_END@
.Dd June 9, 1993 .Dt GETGROUPLIST 3 .Os .Sh NAME .Nm getgrouplist .Nd calculate partial group access list .Sh LIBRARY Standard system libraries. .Sh SYNOPSIS n unistd.h .Ft int .Fn getgrouplist "const char *name" "int basegid" "int *groups" "int *ngroups" .Fn getgrouplist "const char *name" "gid_t basegid" "gid_t *groups" "int *ngroups"
.Sh DESCRIPTION The .Fn getgrouplist function obtains information from .Xr opendirectoryd 8 to construct the group access list for the user specified in .Fa name . The .Fa basegid is automatically included in the groups list. Typically this value is given as the default group number from the user's account record.
p The resulting group list is returned in the array pointed to by .Fa groups . The caller specifies the size of the .Fa groups array in the integer pointed to by .Fa ngroups ; the actual number of groups found is returned in .Fa ngroups . .Sh RETURN VALUES The .Fn getgrouplist function returns 0 on success. If the size of the group list is too small to hold all the user's groups, .Fn getgrouplist returns -1 to indicate failure. In this case, the group array will be filled with as many groups as will fit. .Sh FILES l -tag -width /etc/group -compact t Pa /etc/group group membership list .El .Sh SEE ALSO .Xr setgroups 2 , .Xr initgroups 3 , .Xr opendirectoryd 8 . .Sh HISTORY The .Fn getgrouplist function first appeared in x 4.4 .