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As for sysctl, ustat has been deprecated in favor of {f}statfs. Also
some newer ports which uses generic interface builds a stub version that
returns ENOSYS.
This patch deprecates ustat interface by removing ustat.h related headers,
adding a compatibility symbol, and avoiding new ports to build and provide
the symbol.
Checked on x86_64-linux-gnu and i686-linux-gnu. Also checked with a
check-abi on all affected ABIs.
* NEWS: Add ustat.h deprecation entry.
* bits/ustat.h: Remove file.
* misc/sys/ustat.h: Likewise.
* misc/ustat.h: Likewise.
* sysdeps/unix/sysv/linux/generic/ustat.c: Likewise.
* misc/Makefile (headers): Remove ustat.h and sys/ustat.h.
* misc/ustat.c (__ustat): Rename to __old_ustat and export only in
compatibility mode.
* sysdeps/unix/sysv/linux/ustat.c (__ustat): Likewise.
* sysdeps/unix/sysv/linux/mips/ustat.c: Define DEV_TO_KDEV and use
generic Linux implementation.
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* Return info on filesystem.
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Copyright (C) 1995-2018 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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<http://www.gnu.org/licenses/>. */
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#include <shlib-compat.h>
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/* This deprecated syscall is no longer used (replaced with {f}statfs). */
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#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_28)
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# include <unistd.h>
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# include <errno.h>
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struct ustat
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{
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__daddr_t f_tfree; /* Number of free blocks. */
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__ino_t f_tinode; /* Number of free inodes. */
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char f_fname[6];
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char f_fpack[6];
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};
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int
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__old_ustat (dev_t dev, struct ustat *ust)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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stub_warning (ustat)
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compat_symbol (libc, __old_ustat, ustat, GLIBC_2_0);
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#endif
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