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4c4e90ccf8
It makes fstatat use __NR_statx, which fix the s390 issue with missing nanoxsecond support on compat stat syscalls (at least on recent kernels) and limits the statx call to only one function (which simplifies the __ASSUME_STATX support). Checked on i686-linux-gnu and on powerpc-linux-gnu.
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/* Get file status. Linux version.
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Copyright (C) 2020-2021 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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#include <sys/stat.h>
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#include <kernel_stat.h>
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#include <sysdep.h>
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#if !XSTAT_IS_XSTAT64
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# include <kstat_cp.h>
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int
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__fstatat (int fd, const char *file, struct stat *buf, int flag)
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{
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struct __stat64_t64 st64;
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int r = __fstatat64_time64 (fd, file, &st64, flag);
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if (r == 0)
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{
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if (! in_ino_t_range (st64.st_ino)
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|| ! in_off_t_range (st64.st_size)
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|| ! in_blkcnt_t_range (st64.st_blocks)
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|| ! in_time_t_range (st64.st_atim.tv_sec)
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|| ! in_time_t_range (st64.st_mtim.tv_sec)
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|| ! in_time_t_range (st64.st_ctim.tv_sec))
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW);
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/* Clear internal pad and reserved fields. */
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memset (buf, 0, sizeof (*buf));
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buf->st_dev = st64.st_dev;
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buf->st_ino = st64.st_ino;
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buf->st_mode = st64.st_mode;
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buf->st_nlink = st64.st_nlink;
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buf->st_uid = st64.st_uid;
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buf->st_gid = st64.st_gid;
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buf->st_rdev = st64.st_rdev;
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buf->st_size = st64.st_size;
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buf->st_blksize = st64.st_blksize;
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buf->st_blocks = st64.st_blocks;
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buf->st_atim = valid_timespec64_to_timespec (st64.st_atim);
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buf->st_mtim = valid_timespec64_to_timespec (st64.st_mtim);
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buf->st_ctim = valid_timespec64_to_timespec (st64.st_ctim);
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}
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return r;
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}
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weak_alias (__fstatat, fstatat)
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#endif
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