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aa03f722f3
A new struct __stat{64}_t64 type is added with the required
__timespec64 time definition. Only LFS is added, 64-bit time with
32-bit offsets is not supposed to be supported (no existing glibc
configuration supports such a combination). It is done with an extra
__NR_statx call plus a conversion to the new __stat{64}_t64 type.
The statx call is done only for 32-bit time_t ABIs.
Internally some extra routines to copy from/to struct stat{64}
to struct __stat{64} used on multiple implementations (stat, fstat,
lstat, and fstatat) are added on a extra implementation
(stat_t64_cp.c). Alse some extra routines to copy from statx to
__stat{64} is added on statx_cp.c.
Checked with a build for all affected ABIs. I also checked on x86_64,
i686, powerpc, powerpc64le, sparcv9, sparc64, s390, and s390x.
Reviewed-by: Lukasz Majewski <lukma@denx.de>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* Get file status. Linux version.
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Copyright (C) 2020 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 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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<https://www.gnu.org/licenses/>. */
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#define __fstat __redirect___fstat
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#define fstat __redirect_fstat
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <kernel_stat.h>
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#include <stat_t64_cp.h>
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int
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__fstat64_time64 (int fd, struct __stat64_t64 *buf)
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{
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return __fstatat64_time64 (fd, "", buf, AT_EMPTY_PATH);
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}
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#if __TIMESIZE != 64
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hidden_def (__fstat64_time64)
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int
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__fstat64 (int fd, struct stat64 *buf)
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{
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struct __stat64_t64 st_t64;
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return __fstat64_time64 (fd, &st_t64)
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?: __cp_stat64_t64_stat64 (&st_t64, buf);
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}
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#endif
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#undef __fstat
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#undef fstat
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hidden_def (__fstat64)
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weak_alias (__fstat64, fstat64)
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#if XSTAT_IS_XSTAT64
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strong_alias (__fstat64, __fstat)
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weak_alias (__fstat64, fstat)
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#endif
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