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52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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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 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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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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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 the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <utime.h>
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#include <sys/time.h>
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#include <sysdep.h>
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/* Change the access time of FILE relative to FD to TVP[0] and
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the modification time of FILE to TVP[1]. */
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int
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futimesat (int fd, const char *file, const struct timeval tvp[2])
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{
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struct timespec tsp[2];
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int result;
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if (tvp)
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{
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if (tvp[0].tv_usec >= 1000000 || tvp[0].tv_usec < 0 ||
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tvp[1].tv_usec >= 1000000 || tvp[1].tv_usec < 0)
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{
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__set_errno (EINVAL);
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return -1;
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}
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TIMEVAL_TO_TIMESPEC (&tvp[0], &tsp[0]);
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TIMEVAL_TO_TIMESPEC (&tvp[1], &tsp[1]);
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}
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result = INLINE_SYSCALL (utimensat, 4, fd, file, tvp ? tsp : NULL, 0);
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return result;
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}
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