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* sysdeps/mach/hurd/group_member.c: New file. * sysdeps/generic/group_member.c: New file. * Makerules (lib-noranlib): Don't depend on $(install-lib). (others): Do. * extra-lib.mk: Fix test of $(lib)-no-lib-dep. Mon Oct 30 12:33:10 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * Rules (others): Depend on $(extra-objs). * posix/unistd.h [__USE_GNU]: Declare group_member, __group_member. * posix/Makefile (routines): Add group_member. * sysdeps/posix/euidaccess.c: New file, adapted from fileutils. * sysdeps/unix/sysv/linux/i386/sigaction.c: Tighten constraint for SIG operand in asm so it must be a register. Add dead return to quiet gcc warning. * Makerules (sysd-rules): Write a defn for sysd-rules-done. [! sysd-rules-done]: Inhibit deps.
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/* `group_member' -- test if process is in a given group. Hurd version.
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Copyright (C) 1993, 1994, 1995 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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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C 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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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <errno.h>
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#include <unistd.h>
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#include <hurd.h>
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#include <hurd/id.h>
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int
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__group_member (gid)
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gid_t gid;
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{
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int member = 0;
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error_t err;
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void *crit;
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crit = _hurd_critical_section_lock ();
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__mutex_lock (&_hurd_id.lock);
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err = _hurd_check_ids ();
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if (! err)
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{
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size_t i;
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for (i = 0; i < _hurd_id.gen.ngids; ++i)
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if (_hurd_id.gen.gids[i] == gid)
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{
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member = 1;
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break;
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}
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}
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__mutex_unlock (&_hurd_id.lock);
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_hurd_critical_section_unlock (crit);
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if (err)
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__hurd_fail (err);
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return member;
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}
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weak_alias (__group_member, group_member)
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