49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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File: acl_extended_fd.c
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Copyright (C) 2000
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Andreas Gruenbacher, <andreas.gruenbacher@gmail.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This program 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <unistd.h>
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#include <sys/xattr.h>
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#include "libacl.h"
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#include "byteorder.h"
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#include "acl_ea.h"
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int
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acl_extended_fd(int fd)
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{
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int base_size = sizeof(acl_ea_header) + 3 * sizeof(acl_ea_entry);
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int retval;
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retval = fgetxattr(fd, ACL_EA_ACCESS, NULL, 0);
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if (retval < 0 && errno != ENOATTR && errno != ENODATA)
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return -1;
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if (retval > base_size)
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return 1;
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retval = fgetxattr(fd, ACL_EA_DEFAULT, NULL, 0);
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if (retval < 0 && errno != ENOATTR && errno != ENODATA)
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return -1;
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if (retval >= base_size)
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return 1;
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return 0;
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}
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