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66016ec8ae
{f,l,}xstat stub for MIPS is using INTERNAL_SYSCALL
to do xstat syscall for glibc ver, However it leaves
errno untouched and thus giving bad errno output.
Setup errno properly when syscall returns non-zero.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* lxstat using old-style Unix stat system call.
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Copyright (C) 1991-2021 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 <fcntl.h>
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#include <kernel_stat.h>
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#include <sysdep.h>
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#include <xstatconv.h>
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/* Get information about the file NAME in BUF. */
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int
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__lxstat (int vers, const char *name, struct stat *buf)
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{
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switch (vers)
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{
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case _STAT_VER_KERNEL:
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return INLINE_SYSCALL_CALL (lstat, name, buf);
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default:
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{
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struct kernel_stat kbuf;
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int r = INTERNAL_SYSCALL_CALL (lstat, name, &kbuf);
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if (r == 0)
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return __xstat_conv (vers, &kbuf, buf);
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return INLINE_SYSCALL_ERROR_RETURN_VALUE (-r);
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}
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}
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}
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