158f0484fSRodney W. Grimes.\" Copyright (c) 1991, 1993 258f0484fSRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 358f0484fSRodney W. Grimes.\" 458f0484fSRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 558f0484fSRodney W. Grimes.\" modification, are permitted provided that the following conditions 658f0484fSRodney W. Grimes.\" are met: 758f0484fSRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 858f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 958f0484fSRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 1058f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 1158f0484fSRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 1258f0484fSRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software 1358f0484fSRodney W. Grimes.\" must display the following acknowledgement: 1458f0484fSRodney W. Grimes.\" This product includes software developed by the University of 1558f0484fSRodney W. Grimes.\" California, Berkeley and its contributors. 1658f0484fSRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors 1758f0484fSRodney W. Grimes.\" may be used to endorse or promote products derived from this software 1858f0484fSRodney W. Grimes.\" without specific prior written permission. 1958f0484fSRodney W. Grimes.\" 2058f0484fSRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2158f0484fSRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2258f0484fSRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2358f0484fSRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2458f0484fSRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2558f0484fSRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2658f0484fSRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2758f0484fSRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2858f0484fSRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2958f0484fSRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3058f0484fSRodney W. Grimes.\" SUCH DAMAGE. 3158f0484fSRodney W. Grimes.\" 3258f0484fSRodney W. Grimes.\" @(#)getgrouplist.3 8.1 (Berkeley) 6/9/93 3358f0484fSRodney W. Grimes.\" 3458f0484fSRodney W. Grimes.Dd June 9, 1993 3558f0484fSRodney W. Grimes.Dt GETGROUPLIST 3 3658f0484fSRodney W. Grimes.Os 3758f0484fSRodney W. Grimes.Sh NAME 3858f0484fSRodney W. Grimes.Nm getgrouplist 3958f0484fSRodney W. Grimes.Nd calculate group access list 4058f0484fSRodney W. Grimes.Sh SYNOPSIS 4158f0484fSRodney W. Grimes.Fd #include <unistd.h> 4258f0484fSRodney W. Grimes.Ft int 4358f0484fSRodney W. Grimes.Fn getgrouplist "const char *name" "int basegid" "int *groups" "int *ngroups" 4458f0484fSRodney W. Grimes.Sh DESCRIPTION 4558f0484fSRodney W. GrimesThe 4658f0484fSRodney W. Grimes.Fn getgrouplist 4758f0484fSRodney W. Grimesfunction reads through the group file and calculates 4858f0484fSRodney W. Grimesthe group access list for the user specified in 4958f0484fSRodney W. Grimes.Fa name . 5058f0484fSRodney W. GrimesThe 5158f0484fSRodney W. Grimes.Fa basegid 5258f0484fSRodney W. Grimesis automatically included in the groups list. 5358f0484fSRodney W. GrimesTypically this value is given as 5458f0484fSRodney W. Grimesthe group number from the password file. 5558f0484fSRodney W. Grimes.Pp 5658f0484fSRodney W. GrimesThe resulting group list is returned in the integer array pointed to by 5758f0484fSRodney W. Grimes.Fa groups . 5858f0484fSRodney W. GrimesThe caller specifies the size of the 5958f0484fSRodney W. Grimes.Fa groups 6058f0484fSRodney W. Grimesarray in the integer pointed to by 6158f0484fSRodney W. Grimes.Fa ngroups ; 6258f0484fSRodney W. Grimesthe actual number of groups found is returned in 6358f0484fSRodney W. Grimes.Fa ngroups . 6458f0484fSRodney W. Grimes.Sh RETURN VALUES 6558f0484fSRodney W. GrimesThe 6658f0484fSRodney W. Grimes.Fn getgrouplist 6758f0484fSRodney W. Grimesfunction 6858f0484fSRodney W. Grimesreturns \-1 if the size of the group list is too small to 6958f0484fSRodney W. Grimeshold all the user's groups. 7058f0484fSRodney W. GrimesHere, the group array will be filled with as many groups as will fit. 7158f0484fSRodney W. Grimes.Sh FILES 7258f0484fSRodney W. Grimes.Bl -tag -width /etc/group -compact 7358f0484fSRodney W. Grimes.It Pa /etc/group 7458f0484fSRodney W. Grimesgroup membership list 7558f0484fSRodney W. Grimes.El 7658f0484fSRodney W. Grimes.Sh SEE ALSO 7758f0484fSRodney W. Grimes.Xr setgroups 2 , 7858f0484fSRodney W. Grimes.Xr initgroups 3 7958f0484fSRodney W. Grimes.Sh HISTORY 8058f0484fSRodney W. GrimesThe 8158f0484fSRodney W. Grimes.Fn getgrouplist 8258f0484fSRodney W. Grimesfunction first appeared in 4.4BSD. 8358f0484fSRodney W. Grimes.Sh BUGS 8458f0484fSRodney W. GrimesThe 8558f0484fSRodney W. Grimes.Fn getgrouplist 8658f0484fSRodney W. Grimesfunction 8758f0484fSRodney W. Grimesuses the routines based on 8858f0484fSRodney W. Grimes.Xr getgrent 3 . 8958f0484fSRodney W. GrimesIf the invoking program uses any of these routines, 9058f0484fSRodney W. Grimesthe group structure will 9158f0484fSRodney W. Grimesbe overwritten in the call to 9258f0484fSRodney W. Grimes.Fn getgrouplist . 93