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63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
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/* Get filesystem statistics. Linux version.
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Copyright (C) 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/statfs.h>
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#include <time.h>
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#include <sysdep.h>
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#include <kernel_stat.h>
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#if !STATFS_IS_STATFS64
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/* Return information about the filesystem on which FILE resides. */
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int
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__fstatfs (int fd, struct statfs *buf)
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{
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struct statfs64 buf64;
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int rc = INLINE_SYSCALL_CALL (fstatfs64, fd, sizeof (buf64), &buf64);
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if (rc != 0)
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return rc;
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buf->f_type = buf64.f_type;
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buf->f_bsize = buf64.f_bsize;
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buf->f_blocks = buf64.f_blocks;
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buf->f_bfree = buf64.f_bfree;
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buf->f_bavail = buf64.f_bavail;
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buf->f_files = buf64.f_files;
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buf->f_ffree = buf64.f_ffree;
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buf->f_fsid = buf64.f_fsid;
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buf->f_namelen = buf64.f_namelen;
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buf->f_frsize = buf64.f_frsize;
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buf->f_flags = buf64.f_flags;
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memcpy (buf->f_spare, buf64.f_spare, sizeof (buf64.f_spare));
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if ((fsblkcnt_t) buf64.f_blocks != buf64.f_blocks
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|| (fsblkcnt_t) buf64.f_bfree != buf64.f_bfree
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|| (fsblkcnt_t) buf64.f_bavail != buf64.f_bavail
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|| (fsblkcnt_t) buf64.f_files != buf64.f_files
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|| (fsblkcnt_t) buf64.f_ffree != buf64.f_ffree)
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{
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__set_errno (EOVERFLOW);
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return -1;
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}
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return 0;
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}
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libc_hidden_def (__fstatfs)
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weak_alias (__fstatfs, fstatfs)
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#endif
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