57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
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/* Get filesystem statistics (deprecated). Linux version.
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Copyright (C) 1997-2022 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 <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 <sysdep.h>
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# include <sys/types.h>
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# ifndef DEV_TO_KDEV
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# define DEV_TO_KDEV(__dev) \
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({ \
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unsigned long long int k_dev; \
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k_dev = dev & ((1ULL << 32) - 1); \
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if (k_dev != dev) \
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); \
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(unsigned int) k_dev; \
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})
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# endif
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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 *ubuf)
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{
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# ifdef __NR_ustat
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return INLINE_SYSCALL_CALL (ustat, DEV_TO_KDEV (dev), ubuf);
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# else
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (ENOSYS);
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# endif
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}
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compat_symbol (libc, __old_ustat, ustat, GLIBC_2_0);
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#endif /* SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_28) */
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