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55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
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* grent.c - This file is part of the libc-8086/grp package for ELKS,
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* Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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/*
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* setgrent(), endgrent(), and getgrent() are mutually-dependent functions,
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* so they are all included in the same object file, and thus all linked
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* in together.
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*/
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#include "busybox.h"
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#include <unistd.h>
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#include <fcntl.h>
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#include "grp_.h"
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static int grp_fd = -1;
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void setgrent(void)
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{
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if (grp_fd != -1)
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close(grp_fd);
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grp_fd = open(bb_path_group_file, O_RDONLY);
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}
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void endgrent(void)
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{
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if (grp_fd != -1)
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close(grp_fd);
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grp_fd = -1;
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}
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struct group *getgrent(void)
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{
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if (grp_fd == -1)
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return NULL;
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return __getgrent(grp_fd);
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}
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